devices/e1000/e1000_main-2.6.31-orig.c
author Florian Pose <fp@igh-essen.com>
Thu, 06 Dec 2012 13:53:09 +0100
branchstable-1.5
changeset 2478 9640948881fd
parent 2198 190791fd47d2
permissions -rw-r--r--
Minor: Fixed format specifiers.
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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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#ifdef CONFIG_PM
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("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);
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parents:
diff changeset
   262
		if (adapter->have_msi) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   263
			handler = e1000_intr_msi;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   264
			irq_flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   265
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   266
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   267
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   268
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   269
	                  netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   270
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   271
		if (adapter->have_msi)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   272
			pci_disable_msi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   273
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   274
		        "Unable to allocate interrupt Error: %d\n", err);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   275
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   276
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   277
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   278
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   279
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   280
static void e1000_free_irq(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   281
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   282
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   283
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   284
	free_irq(adapter->pdev->irq, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   285
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   286
	if (adapter->have_msi)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   287
		pci_disable_msi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   288
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   289
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   290
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   291
 * e1000_irq_disable - Mask off interrupt generation on the NIC
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   292
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   293
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   294
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   295
static void e1000_irq_disable(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   296
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   297
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   298
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   299
	ew32(IMC, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   300
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   301
	synchronize_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   302
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   303
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   304
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   305
 * e1000_irq_enable - Enable default interrupt generation settings
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   306
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   307
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   308
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   309
static void e1000_irq_enable(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   310
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   311
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   312
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   313
	ew32(IMS, IMS_ENABLE_MASK);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   314
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   315
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   316
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   317
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   318
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   319
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   320
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   321
	u16 vid = hw->mng_cookie.vlan_id;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   322
	u16 old_vid = adapter->mng_vlan_id;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   323
	if (adapter->vlgrp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   324
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   325
			if (hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   326
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   327
				e1000_vlan_rx_add_vid(netdev, vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   328
				adapter->mng_vlan_id = vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   329
			} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   330
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   331
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   332
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   333
					(vid != old_vid) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   334
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   335
				e1000_vlan_rx_kill_vid(netdev, old_vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   336
		} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   337
			adapter->mng_vlan_id = vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   338
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   339
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   340
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   341
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   342
 * e1000_release_hw_control - release control of the h/w to f/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   343
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   344
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   345
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   346
 * For ASF and Pass Through versions of f/w this means that the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   347
 * driver is no longer loaded. For AMT version (only with 82573) i
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   348
 * of the f/w this means that the network i/f is closed.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   349
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   350
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   351
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   352
static void e1000_release_hw_control(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   353
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   354
	u32 ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   355
	u32 swsm;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   356
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   357
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   358
	/* Let firmware taken over control of h/w */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   359
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   360
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   361
		swsm = er32(SWSM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   362
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   363
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   364
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   365
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   366
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   367
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   368
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   369
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   370
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   371
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   372
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   373
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   374
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   375
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   376
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   377
 * e1000_get_hw_control - get control of the h/w from f/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   378
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   379
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   380
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   381
 * For ASF and Pass Through versions of f/w this means that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   382
 * the driver is loaded. For AMT version (only with 82573)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   383
 * of the f/w this means that the network i/f is open.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   384
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   385
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   386
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   387
static void e1000_get_hw_control(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   388
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   389
	u32 ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   390
	u32 swsm;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   391
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   392
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   393
	/* Let firmware know the driver has taken over */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   394
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   395
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   396
		swsm = er32(SWSM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   397
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   398
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   399
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   400
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   401
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   402
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   403
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   404
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   405
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   406
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   407
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   408
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   409
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   410
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   411
static void e1000_init_manageability(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   412
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   413
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   414
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   415
	if (adapter->en_mng_pt) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   416
		u32 manc = er32(MANC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   417
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   418
		/* disable hardware interception of ARP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   419
		manc &= ~(E1000_MANC_ARP_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   420
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   421
		/* enable receiving management packets to the host */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   422
		/* this will probably generate destination unreachable messages
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   423
		 * from the host OS, but the packets will be handled on SMBUS */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   424
		if (hw->has_manc2h) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   425
			u32 manc2h = er32(MANC2H);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   426
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   427
			manc |= E1000_MANC_EN_MNG2HOST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   428
#define E1000_MNG2HOST_PORT_623 (1 << 5)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   429
#define E1000_MNG2HOST_PORT_664 (1 << 6)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   430
			manc2h |= E1000_MNG2HOST_PORT_623;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   431
			manc2h |= E1000_MNG2HOST_PORT_664;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   432
			ew32(MANC2H, manc2h);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   433
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   434
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   435
		ew32(MANC, manc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   436
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   437
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   438
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   439
static void e1000_release_manageability(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   440
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   441
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   442
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   443
	if (adapter->en_mng_pt) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   444
		u32 manc = er32(MANC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   445
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   446
		/* re-enable hardware interception of ARP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   447
		manc |= E1000_MANC_ARP_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   448
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   449
		if (hw->has_manc2h)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   450
			manc &= ~E1000_MANC_EN_MNG2HOST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   451
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   452
		/* don't explicitly have to mess with MANC2H since
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   453
		 * MANC has an enable disable that gates MANC2H */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   454
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   455
		ew32(MANC, manc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   456
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   457
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   458
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   459
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   460
 * e1000_configure - configure the hardware for RX and TX
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   461
 * @adapter = private board structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   462
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   463
static void e1000_configure(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   464
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   465
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   466
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   467
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   468
	e1000_set_rx_mode(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   469
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   470
	e1000_restore_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   471
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   472
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   473
	e1000_configure_tx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   474
	e1000_setup_rctl(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   475
	e1000_configure_rx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   476
	/* call E1000_DESC_UNUSED which always leaves
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   477
	 * at least 1 descriptor unused to make sure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   478
	 * next_to_use != next_to_clean */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   479
	for (i = 0; i < adapter->num_rx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   480
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   481
		adapter->alloc_rx_buf(adapter, ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   482
		                      E1000_DESC_UNUSED(ring));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   483
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   484
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   485
	adapter->tx_queue_len = netdev->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   486
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   487
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   488
int e1000_up(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   489
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   490
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   491
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   492
	/* hardware has been reset, we need to reload some things */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   493
	e1000_configure(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   494
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   495
	clear_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   496
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   497
	napi_enable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   498
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   499
	e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   500
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   501
	netif_wake_queue(adapter->netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   502
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   503
	/* fire a link change interrupt to start the watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   504
	ew32(ICS, E1000_ICS_LSC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   505
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   506
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   507
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   508
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   509
 * e1000_power_up_phy - restore link in case the phy was powered down
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   510
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   511
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   512
 * The phy may be powered down to save power and turn off link when the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   513
 * driver is unloaded and wake on lan is not enabled (among others)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   514
 * *** this routine MUST be followed by a call to e1000_reset ***
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   515
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   516
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   517
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   518
void e1000_power_up_phy(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   519
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   520
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   521
	u16 mii_reg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   522
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   523
	/* Just clear the power down bit to wake the phy back up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   524
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   525
		/* according to the manual, the phy will retain its
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   526
		 * settings across a power-down/up cycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   527
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   528
		mii_reg &= ~MII_CR_POWER_DOWN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   529
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   530
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   531
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   532
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   533
static void e1000_power_down_phy(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   534
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   535
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   536
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   537
	/* Power down the PHY so no link is implied when interface is down *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   538
	 * The PHY cannot be powered down if any of the following is true *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   539
	 * (a) WoL is enabled
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   540
	 * (b) AMT is active
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   541
	 * (c) SoL/IDER session is active */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   542
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   543
	   hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   544
		u16 mii_reg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   545
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   546
		switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   547
		case e1000_82540:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   548
		case e1000_82545:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   549
		case e1000_82545_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   550
		case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   551
		case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   552
		case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   553
		case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   554
		case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   555
		case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   556
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   557
				goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   558
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   559
		case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   560
		case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   561
		case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   562
		case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   563
		case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   564
			if (e1000_check_mng_mode(hw) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   565
			    e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   566
				goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   567
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   568
		default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   569
			goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   570
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   571
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   572
		mii_reg |= MII_CR_POWER_DOWN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   573
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   574
		mdelay(1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   575
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   576
out:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   577
	return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   578
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   579
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   580
void e1000_down(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   581
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   582
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   583
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   584
	u32 rctl, tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   585
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   586
	/* signal that we're down so the interrupt handler does not
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   587
	 * reschedule our watchdog timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   588
	set_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   589
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   590
	/* disable receives in the hardware */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   591
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   592
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   593
	/* flush and sleep below */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   594
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   595
	/* can be netif_tx_disable when NETIF_F_LLTX is removed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   596
	netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   597
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   598
	/* disable transmits in the hardware */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   599
	tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   600
	tctl &= ~E1000_TCTL_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   601
	ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   602
	/* flush both disables and wait for them to finish */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   603
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   604
	msleep(10);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   605
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   606
	napi_disable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   607
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   608
	e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   609
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   610
	del_timer_sync(&adapter->tx_fifo_stall_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   611
	del_timer_sync(&adapter->watchdog_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   612
	del_timer_sync(&adapter->phy_info_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   613
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   614
	netdev->tx_queue_len = adapter->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   615
	adapter->link_speed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   616
	adapter->link_duplex = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   617
	netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   618
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   619
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   620
	e1000_clean_all_tx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   621
	e1000_clean_all_rx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   622
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   623
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   624
void e1000_reinit_locked(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   625
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   626
	WARN_ON(in_interrupt());
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   627
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   628
		msleep(1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   629
	e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   630
	e1000_up(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   631
	clear_bit(__E1000_RESETTING, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   632
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   633
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   634
void e1000_reset(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   635
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   636
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   637
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   638
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   639
	bool legacy_pba_adjust = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   640
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   641
	/* Repartition Pba for greater than 9k mtu
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   642
	 * To take effect CTRL.RST is required.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   643
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   644
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   645
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   646
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   647
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   648
	case e1000_82543:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   649
	case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   650
	case e1000_82540:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   651
	case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   652
	case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   653
		legacy_pba_adjust = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   654
		pba = E1000_PBA_48K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   655
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   656
	case e1000_82545:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   657
	case e1000_82545_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   658
	case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   659
	case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   660
		pba = E1000_PBA_48K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   661
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   662
	case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   663
	case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   664
		legacy_pba_adjust = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   665
		pba = E1000_PBA_30K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   666
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   667
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   668
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   669
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   670
		pba = E1000_PBA_38K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   671
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   672
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   673
		pba = E1000_PBA_20K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   674
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   675
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   676
		pba = E1000_PBA_8K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   677
	case e1000_undefined:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   678
	case e1000_num_macs:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   679
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   680
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   681
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   682
	if (legacy_pba_adjust) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   683
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   684
			pba -= 8; /* allocate more FIFO for Tx */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   685
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   686
		if (hw->mac_type == e1000_82547) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   687
			adapter->tx_fifo_head = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   688
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   689
			adapter->tx_fifo_size =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   690
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   691
			atomic_set(&adapter->tx_fifo_stall, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   692
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   693
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   694
		/* adjust PBA for jumbo frames */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   695
		ew32(PBA, pba);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   696
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   697
		/* To maintain wire speed transmits, the Tx FIFO should be
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   698
		 * large enough to accomodate two full transmit packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   699
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   700
		 * the Rx FIFO should be large enough to accomodate at least
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   701
		 * one full receive packet and is similarly rounded up and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   702
		 * expressed in KB. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   703
		pba = er32(PBA);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   704
		/* upper 16 bits has Tx packet buffer allocation size in KB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   705
		tx_space = pba >> 16;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   706
		/* lower 16 bits has Rx packet buffer allocation size in KB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   707
		pba &= 0xffff;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   708
		/* don't include ethernet FCS because hardware appends/strips */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   709
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   710
		               VLAN_TAG_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   711
		min_tx_space = min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   712
		min_tx_space *= 2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   713
		min_tx_space = ALIGN(min_tx_space, 1024);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   714
		min_tx_space >>= 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   715
		min_rx_space = ALIGN(min_rx_space, 1024);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   716
		min_rx_space >>= 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   717
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   718
		/* If current Tx allocation is less than the min Tx FIFO size,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   719
		 * and the min Tx FIFO size is less than the current Rx FIFO
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   720
		 * allocation, take space away from current Rx allocation */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   721
		if (tx_space < min_tx_space &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   722
		    ((min_tx_space - tx_space) < pba)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   723
			pba = pba - (min_tx_space - tx_space);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   724
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   725
			/* PCI/PCIx hardware has PBA alignment constraints */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   726
			switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   727
			case e1000_82545 ... e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   728
				pba &= ~(E1000_PBA_8K - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   729
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   730
			default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   731
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   732
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   733
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   734
			/* if short on rx space, rx wins and must trump tx
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   735
			 * adjustment or use Early Receive if available */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   736
			if (pba < min_rx_space) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   737
				switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   738
				case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   739
					/* ERT enabled in e1000_configure_rx */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   740
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   741
				default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   742
					pba = min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   743
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   744
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   745
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   746
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   747
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   748
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   749
	ew32(PBA, pba);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   750
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   751
	/* flow control settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   752
	/* Set the FC high water mark to 90% of the FIFO size.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   753
	 * Required to clear last 3 LSB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   754
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   755
	/* We can't use 90% on small FIFOs because the remainder
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   756
	 * would be less than 1 full frame.  In this case, we size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   757
	 * it to allow at least a full frame above the high water
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   758
	 *  mark. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   759
	if (pba < E1000_PBA_16K)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   760
		fc_high_water_mark = (pba * 1024) - 1600;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   761
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   762
	hw->fc_high_water = fc_high_water_mark;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   763
	hw->fc_low_water = fc_high_water_mark - 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   764
	if (hw->mac_type == e1000_80003es2lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   765
		hw->fc_pause_time = 0xFFFF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   766
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   767
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   768
	hw->fc_send_xon = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   769
	hw->fc = hw->original_fc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   770
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   771
	/* Allow time for pending master requests to run */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   772
	e1000_reset_hw(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   773
	if (hw->mac_type >= e1000_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   774
		ew32(WUC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   775
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   776
	if (e1000_init_hw(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   777
		DPRINTK(PROBE, ERR, "Hardware Error\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   778
	e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   779
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   780
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   781
	if (hw->mac_type >= e1000_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   782
	    hw->mac_type <= e1000_82547_rev_2 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   783
	    hw->autoneg == 1 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   784
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   785
		u32 ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   786
		/* clear phy power management bit if we are in gig only mode,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   787
		 * which if enabled will attempt negotiation to 100Mb, which
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   788
		 * can cause a loss of link at power off or driver unload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   789
		ctrl &= ~E1000_CTRL_SWDPIN3;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   790
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   791
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   792
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   793
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   794
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   795
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   796
	e1000_reset_adaptive(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   797
	e1000_phy_get_info(hw, &adapter->phy_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   798
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   799
	if (!adapter->smart_power_down &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   800
	    (hw->mac_type == e1000_82571 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   801
	     hw->mac_type == e1000_82572)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   802
		u16 phy_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   803
		/* speed up time to link by disabling smart power down, ignore
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   804
		 * the return value of this function because there is nothing
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   805
		 * different we would do if it failed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   806
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   807
		                   &phy_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   808
		phy_data &= ~IGP02E1000_PM_SPD;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   809
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   810
		                    phy_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   811
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   812
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   813
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   814
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   815
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   816
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   817
 *  Dump the eeprom for users having checksum issues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   818
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   819
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   820
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   821
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   822
	struct ethtool_eeprom eeprom;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   823
	const struct ethtool_ops *ops = netdev->ethtool_ops;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   824
	u8 *data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   825
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   826
	u16 csum_old, csum_new = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   827
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   828
	eeprom.len = ops->get_eeprom_len(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   829
	eeprom.offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   830
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   831
	data = kmalloc(eeprom.len, GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   832
	if (!data) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   833
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   834
		       " data\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   835
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   836
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   837
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   838
	ops->get_eeprom(netdev, &eeprom, data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   839
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   840
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   841
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   842
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   843
		csum_new += data[i] + (data[i + 1] << 8);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   844
	csum_new = EEPROM_SUM - csum_new;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   845
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   846
	printk(KERN_ERR "/*********************/\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   847
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   848
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   849
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   850
	printk(KERN_ERR "Offset    Values\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   851
	printk(KERN_ERR "========  ======\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   852
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   853
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   854
	printk(KERN_ERR "Include this output when contacting your support "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   855
	       "provider.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   856
	printk(KERN_ERR "This is not a software error! Something bad "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   857
	       "happened to your hardware or\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   858
	printk(KERN_ERR "EEPROM image. Ignoring this "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   859
	       "problem could result in further problems,\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   860
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   861
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   862
	       "which is invalid\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   863
	printk(KERN_ERR "and requires you to set the proper MAC "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   864
	       "address manually before continuing\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   865
	printk(KERN_ERR "to enable this network device.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   866
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   867
	       "to your hardware vendor\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   868
	printk(KERN_ERR "or Intel Customer Support.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   869
	printk(KERN_ERR "/*********************/\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   870
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   871
	kfree(data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   872
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   873
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   874
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   875
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   876
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   877
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   878
 * Return true if an adapter needs ioport resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   879
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   880
static int e1000_is_need_ioport(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   881
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   882
	switch (pdev->device) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   883
	case E1000_DEV_ID_82540EM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   884
	case E1000_DEV_ID_82540EM_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   885
	case E1000_DEV_ID_82540EP:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   886
	case E1000_DEV_ID_82540EP_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   887
	case E1000_DEV_ID_82540EP_LP:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   888
	case E1000_DEV_ID_82541EI:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   889
	case E1000_DEV_ID_82541EI_MOBILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   890
	case E1000_DEV_ID_82541ER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   891
	case E1000_DEV_ID_82541ER_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   892
	case E1000_DEV_ID_82541GI:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   893
	case E1000_DEV_ID_82541GI_LF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   894
	case E1000_DEV_ID_82541GI_MOBILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   895
	case E1000_DEV_ID_82544EI_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   896
	case E1000_DEV_ID_82544EI_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   897
	case E1000_DEV_ID_82544GC_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   898
	case E1000_DEV_ID_82544GC_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   899
	case E1000_DEV_ID_82545EM_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   900
	case E1000_DEV_ID_82545EM_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   901
	case E1000_DEV_ID_82546EB_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   902
	case E1000_DEV_ID_82546EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   903
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   904
		return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   905
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   906
		return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   907
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   908
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   909
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   910
static const struct net_device_ops e1000_netdev_ops = {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   911
	.ndo_open		= e1000_open,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   912
	.ndo_stop		= e1000_close,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   913
	.ndo_start_xmit		= e1000_xmit_frame,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   914
	.ndo_get_stats		= e1000_get_stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   915
	.ndo_set_rx_mode	= e1000_set_rx_mode,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   916
	.ndo_set_mac_address	= e1000_set_mac,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   917
	.ndo_tx_timeout 	= e1000_tx_timeout,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   918
	.ndo_change_mtu		= e1000_change_mtu,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   919
	.ndo_do_ioctl		= e1000_ioctl,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   920
	.ndo_validate_addr	= eth_validate_addr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   921
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   922
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   923
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   924
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   925
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   926
	.ndo_poll_controller	= e1000_netpoll,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   927
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   928
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   929
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   930
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   931
 * e1000_probe - Device Initialization Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   932
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   933
 * @ent: entry in e1000_pci_tbl
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   934
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   935
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   936
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   937
 * e1000_probe initializes an adapter identified by a pci_dev structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   938
 * The OS initialization, configuring of the adapter private structure,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   939
 * and a hardware reset occur.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   940
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   941
static int __devinit e1000_probe(struct pci_dev *pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   942
				 const struct pci_device_id *ent)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   943
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   944
	struct net_device *netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   945
	struct e1000_adapter *adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   946
	struct e1000_hw *hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   947
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   948
	static int cards_found = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   949
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   950
	int i, err, pci_using_dac;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   951
	u16 eeprom_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   952
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   953
	int bars, need_ioport;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   954
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   955
	/* do not allocate ioport bars when not needed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   956
	need_ioport = e1000_is_need_ioport(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   957
	if (need_ioport) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   958
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   959
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   960
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   961
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   962
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   963
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   964
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   965
		return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   966
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   967
	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   968
	    !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   969
		pci_using_dac = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   970
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   971
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   972
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   973
			err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   974
			if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   975
				E1000_ERR("No usable DMA configuration, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   976
					  "aborting\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   977
				goto err_dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   978
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   979
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   980
		pci_using_dac = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   981
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   982
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   983
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   984
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   985
		goto err_pci_reg;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   986
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   987
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   988
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   989
	err = -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   990
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   991
	if (!netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   992
		goto err_alloc_etherdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   993
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   994
	SET_NETDEV_DEV(netdev, &pdev->dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   995
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   996
	pci_set_drvdata(pdev, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   997
	adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   998
	adapter->netdev = netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   999
	adapter->pdev = pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1000
	adapter->msg_enable = (1 << debug) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1001
	adapter->bars = bars;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1002
	adapter->need_ioport = need_ioport;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1003
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1004
	hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1005
	hw->back = adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1006
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1007
	err = -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1008
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1009
	if (!hw->hw_addr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1010
		goto err_ioremap;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1011
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1012
	if (adapter->need_ioport) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1013
		for (i = BAR_1; i <= BAR_5; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1014
			if (pci_resource_len(pdev, i) == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1015
				continue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1016
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1017
				hw->io_base = pci_resource_start(pdev, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1018
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1019
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1020
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1021
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1022
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1023
	netdev->netdev_ops = &e1000_netdev_ops;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1024
	e1000_set_ethtool_ops(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1025
	netdev->watchdog_timeo = 5 * HZ;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1026
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1027
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1028
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1029
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1030
	adapter->bd_number = cards_found;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1031
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1032
	/* setup the private structure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1033
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1034
	err = e1000_sw_init(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1035
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1036
		goto err_sw_init;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1037
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1038
	err = -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1039
	/* Flash BAR mapping must happen after e1000_sw_init
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1040
	 * because it depends on mac_type */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1041
	if ((hw->mac_type == e1000_ich8lan) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1042
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1043
		hw->flash_address = pci_ioremap_bar(pdev, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1044
		if (!hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1045
			goto err_flashmap;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1046
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1047
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1048
	if (e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1049
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1050
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1051
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1052
		netdev->features = NETIF_F_SG |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1053
				   NETIF_F_HW_CSUM |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1054
				   NETIF_F_HW_VLAN_TX |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1055
				   NETIF_F_HW_VLAN_RX |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1056
				   NETIF_F_HW_VLAN_FILTER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1057
		if (hw->mac_type == e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1058
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1059
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1060
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1061
	if ((hw->mac_type >= e1000_82544) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1062
	   (hw->mac_type != e1000_82547))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1063
		netdev->features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1064
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1065
	if (hw->mac_type > e1000_82547_rev_2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1066
		netdev->features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1067
	if (pci_using_dac)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1068
		netdev->features |= NETIF_F_HIGHDMA;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1069
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1070
	netdev->vlan_features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1071
	netdev->vlan_features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1072
	netdev->vlan_features |= NETIF_F_HW_CSUM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1073
	netdev->vlan_features |= NETIF_F_SG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1074
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1075
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1076
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1077
	/* initialize eeprom parameters */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1078
	if (e1000_init_eeprom_params(hw)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1079
		E1000_ERR("EEPROM initialization failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1080
		goto err_eeprom;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1081
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1082
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1083
	/* before reading the EEPROM, reset the controller to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1084
	 * put the device in a known good starting state */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1085
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1086
	e1000_reset_hw(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1087
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1088
	/* make sure the EEPROM is good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1089
	if (e1000_validate_eeprom_checksum(hw) < 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1090
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1091
		e1000_dump_eeprom(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1092
		/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1093
		 * set MAC address to all zeroes to invalidate and temporary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1094
		 * disable this device for the user. This blocks regular
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1095
		 * traffic while still permitting ethtool ioctls from reaching
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1096
		 * the hardware as well as allowing the user to run the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1097
		 * interface after manually setting a hw addr using
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1098
		 * `ip set address`
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1099
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1100
		memset(hw->mac_addr, 0, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1101
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1102
		/* copy the MAC address out of the EEPROM */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1103
		if (e1000_read_mac_addr(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1104
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1105
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1106
	/* don't block initalization here due to bad MAC address */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1107
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1108
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1109
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1110
	if (!is_valid_ether_addr(netdev->perm_addr))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1111
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1112
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1113
	e1000_get_bus_info(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1114
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1115
	init_timer(&adapter->tx_fifo_stall_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1116
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1117
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1118
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1119
	init_timer(&adapter->watchdog_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1120
	adapter->watchdog_timer.function = &e1000_watchdog;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1121
	adapter->watchdog_timer.data = (unsigned long) adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1122
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1123
	init_timer(&adapter->phy_info_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1124
	adapter->phy_info_timer.function = &e1000_update_phy_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1125
	adapter->phy_info_timer.data = (unsigned long)adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1126
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1127
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1128
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1129
	e1000_check_options(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1130
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1131
	/* Initial Wake on LAN setting
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1132
	 * If APM wake is enabled in the EEPROM,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1133
	 * enable the ACPI Magic Packet filter
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1134
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1135
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1136
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1137
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1138
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1139
	case e1000_82543:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1140
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1141
	case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1142
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1143
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1144
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1145
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1146
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1147
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1148
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1149
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1150
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1151
	case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1152
	case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1153
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1154
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1155
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1156
			e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1157
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1158
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1159
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1160
		/* Fall Through */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1161
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1162
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1163
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1164
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1165
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1166
	if (eeprom_data & eeprom_apme_mask)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1167
		adapter->eeprom_wol |= E1000_WUFC_MAG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1168
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1169
	/* now that we have the eeprom settings, apply the special cases
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1170
	 * where the eeprom may be wrong or the board simply won't support
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1171
	 * wake on lan on a particular port */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1172
	switch (pdev->device) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1173
	case E1000_DEV_ID_82546GB_PCIE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1174
		adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1175
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1176
	case E1000_DEV_ID_82546EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1177
	case E1000_DEV_ID_82546GB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1178
	case E1000_DEV_ID_82571EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1179
		/* Wake events only supported on port A for dual fiber
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1180
		 * regardless of eeprom setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1181
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1182
			adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1183
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1184
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1185
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1186
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1187
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1188
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1189
		/* if quad port adapter, disable WoL on all but port A */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1190
		if (global_quad_port_a != 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1191
			adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1192
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1193
			adapter->quad_port_a = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1194
		/* Reset for multiple quad port adapters */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1195
		if (++global_quad_port_a == 4)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1196
			global_quad_port_a = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1197
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1198
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1199
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1200
	/* initialize the wol settings based on the eeprom settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1201
	adapter->wol = adapter->eeprom_wol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1202
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1203
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1204
	/* print bus type/speed/width info */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1205
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1206
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1207
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1208
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1209
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1210
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1211
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1212
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1213
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1214
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1215
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1216
		 "32-bit"));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1217
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1218
	printk("%pM\n", netdev->dev_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1219
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1220
	if (hw->bus_type == e1000_bus_type_pci_express) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1221
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1222
			"longer be supported by this driver in the future.\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1223
			pdev->vendor, pdev->device);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1224
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1225
			"driver instead.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1226
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1227
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1228
	/* reset the hardware with the new settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1229
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1230
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1231
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1232
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1233
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1234
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1235
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1236
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1237
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1238
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1239
	strcpy(netdev->name, "eth%d");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1240
	err = register_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1241
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1242
		goto err_register;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1243
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1244
	/* carrier off reporting is important to ethtool even BEFORE open */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1245
	netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1246
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1247
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1248
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1249
	cards_found++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1250
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1251
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1252
err_register:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1253
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1254
err_eeprom:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1255
	if (!e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1256
		e1000_phy_hw_reset(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1257
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1258
	if (hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1259
		iounmap(hw->flash_address);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1260
err_flashmap:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1261
	kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1262
	kfree(adapter->rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1263
err_sw_init:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1264
	iounmap(hw->hw_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1265
err_ioremap:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1266
	free_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1267
err_alloc_etherdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1268
	pci_release_selected_regions(pdev, bars);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1269
err_pci_reg:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1270
err_dma:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1271
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1272
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1273
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1274
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1275
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1276
 * e1000_remove - Device Removal Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1277
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1278
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1279
 * e1000_remove is called by the PCI subsystem to alert the driver
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1280
 * that it should release a PCI device.  The could be caused by a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1281
 * Hot-Plug event, or because the driver is going to be removed from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1282
 * memory.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1283
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1284
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1285
static void __devexit e1000_remove(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1286
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1287
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1288
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1289
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1290
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1291
	cancel_work_sync(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1292
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1293
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1294
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1295
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1296
	 * would have already happened in close and is redundant. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1297
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1298
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1299
	unregister_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1300
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1301
	if (!e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1302
		e1000_phy_hw_reset(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1303
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1304
	kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1305
	kfree(adapter->rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1306
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1307
	iounmap(hw->hw_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1308
	if (hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1309
		iounmap(hw->flash_address);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1310
	pci_release_selected_regions(pdev, adapter->bars);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1311
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1312
	free_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1313
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1314
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1315
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1316
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1317
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1318
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1319
 * @adapter: board private structure to initialize
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1320
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1321
 * e1000_sw_init initializes the Adapter private data structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1322
 * Fields are initialized based on PCI device information and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1323
 * OS network device settings (MTU size).
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1324
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1325
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1326
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1327
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1328
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1329
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1330
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1331
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1332
	/* PCI config space info */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1333
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1334
	hw->vendor_id = pdev->vendor;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1335
	hw->device_id = pdev->device;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1336
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1337
	hw->subsystem_id = pdev->subsystem_device;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1338
	hw->revision_id = pdev->revision;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1339
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1340
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1341
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1342
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1343
	hw->max_frame_size = netdev->mtu +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1344
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1345
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1346
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1347
	/* identify the MAC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1348
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1349
	if (e1000_set_mac_type(hw)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1350
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1351
		return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1352
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1353
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1354
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1355
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1356
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1357
	case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1358
	case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1359
	case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1360
	case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1361
		hw->phy_init_script = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1362
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1363
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1364
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1365
	e1000_set_media_type(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1366
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1367
	hw->wait_autoneg_complete = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1368
	hw->tbi_compatibility_en = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1369
	hw->adaptive_ifs = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1370
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1371
	/* Copper options */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1372
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1373
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1374
		hw->mdix = AUTO_ALL_MODES;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1375
		hw->disable_polarity_correction = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1376
		hw->master_slave = E1000_MASTER_SLAVE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1377
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1378
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1379
	adapter->num_tx_queues = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1380
	adapter->num_rx_queues = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1381
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1382
	if (e1000_alloc_queues(adapter)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1383
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1384
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1385
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1386
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1387
	/* Explicitly disable IRQ since the NIC can be in any state. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1388
	e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1389
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1390
	spin_lock_init(&adapter->stats_lock);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1391
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1392
	set_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1393
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1394
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1395
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1396
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1397
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1398
 * e1000_alloc_queues - Allocate memory for all rings
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1399
 * @adapter: board private structure to initialize
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1400
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1401
 * We allocate one ring per queue at run-time since we don't know the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1402
 * number of queues at compile-time.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1403
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1404
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1405
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1406
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1407
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1408
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1409
	if (!adapter->tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1410
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1411
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1412
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1413
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1414
	if (!adapter->rx_ring) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1415
		kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1416
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1417
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1418
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1419
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1420
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1421
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1422
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1423
 * e1000_open - Called when a network interface is made active
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1424
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1425
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1426
 * Returns 0 on success, negative value on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1427
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1428
 * The open entry point is called when a network interface is made
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1429
 * active by the system (IFF_UP).  At this point all resources needed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1430
 * for transmit and receive operations are allocated, the interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1431
 * handler is registered with the OS, the watchdog timer is started,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1432
 * and the stack is notified that the interface is ready.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1433
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1434
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1435
static int e1000_open(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1436
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1437
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1438
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1439
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1440
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1441
	/* disallow open during test */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1442
	if (test_bit(__E1000_TESTING, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1443
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1444
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1445
	netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1446
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1447
	/* allocate transmit descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1448
	err = e1000_setup_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1449
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1450
		goto err_setup_tx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1451
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1452
	/* allocate receive descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1453
	err = e1000_setup_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1454
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1455
		goto err_setup_rx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1456
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1457
	e1000_power_up_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1458
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1459
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1460
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1461
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1462
		e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1463
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1464
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1465
	/* If AMT is enabled, let the firmware know that the network
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1466
	 * interface is now open */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1467
	if (hw->mac_type == e1000_82573 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1468
	    e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1469
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1470
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1471
	/* before we allocate an interrupt, we must be ready to handle it.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1472
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1473
	 * as soon as we call pci_request_irq, so we have to setup our
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1474
	 * clean_rx handler before we do so.  */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1475
	e1000_configure(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1476
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1477
	err = e1000_request_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1478
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1479
		goto err_req_irq;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1480
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1481
	/* From here on the code is the same as e1000_up() */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1482
	clear_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1483
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1484
	napi_enable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1485
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1486
	e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1487
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1488
	netif_start_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1489
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1490
	/* fire a link status change interrupt to start the watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1491
	ew32(ICS, E1000_ICS_LSC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1492
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1493
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1494
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1495
err_req_irq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1496
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1497
	e1000_power_down_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1498
	e1000_free_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1499
err_setup_rx:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1500
	e1000_free_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1501
err_setup_tx:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1502
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1503
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1504
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1505
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1506
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1507
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1508
 * e1000_close - Disables a network interface
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1509
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1510
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1511
 * Returns 0, this is not allowed to fail
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1512
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1513
 * The close entry point is called when an interface is de-activated
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1514
 * by the OS.  The hardware is still under the drivers control, but
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1515
 * needs to be disabled.  A global MAC reset is issued to stop the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1516
 * hardware, and all transmit and receive resources are freed.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1517
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1519
static int e1000_close(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1520
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1521
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1522
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1523
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1524
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1525
	e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1526
	e1000_power_down_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1527
	e1000_free_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1528
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1529
	e1000_free_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1530
	e1000_free_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1531
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1532
	/* kill manageability vlan ID if supported, but not if a vlan with
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1533
	 * the same ID is registered on the host OS (let 8021q kill it) */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1534
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1535
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1536
	     !(adapter->vlgrp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1537
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1538
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1539
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1540
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1541
	/* If AMT is enabled, let the firmware know that the network
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1542
	 * interface is now closed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1543
	if (hw->mac_type == e1000_82573 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1544
	    e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1545
		e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1546
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1547
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1548
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1549
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1550
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1551
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1552
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1553
 * @start: address of beginning of memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1554
 * @len: length of memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1555
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1556
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1557
				  unsigned long len)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1558
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1559
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1560
	unsigned long begin = (unsigned long)start;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1561
	unsigned long end = begin + len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1562
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1563
	/* First rev 82545 and 82546 need to not allow any memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1564
	 * write location to cross 64k boundary due to errata 23 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1565
	if (hw->mac_type == e1000_82545 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1566
	    hw->mac_type == e1000_82546) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1567
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1568
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1569
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1570
	return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1571
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1572
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1573
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1574
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1575
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1576
 * @txdr:    tx descriptor ring (for a specific queue) to setup
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1577
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1578
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1579
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1580
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1581
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1582
				    struct e1000_tx_ring *txdr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1583
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1584
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1585
	int size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1586
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1587
	size = sizeof(struct e1000_buffer) * txdr->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1588
	txdr->buffer_info = vmalloc(size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1589
	if (!txdr->buffer_info) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1590
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1591
		"Unable to allocate memory for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1592
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1593
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1594
	memset(txdr->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1595
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1596
	/* round up to nearest 4K */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1597
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1598
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1599
	txdr->size = ALIGN(txdr->size, 4096);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1600
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1601
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1602
	if (!txdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1603
setup_tx_desc_die:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1604
		vfree(txdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1605
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1606
		"Unable to allocate memory for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1607
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1608
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1609
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1610
	/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1611
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1612
		void *olddesc = txdr->desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1613
		dma_addr_t olddma = txdr->dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1614
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1615
				     "at %p\n", txdr->size, txdr->desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1616
		/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1617
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1618
		/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1619
		if (!txdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1620
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1621
			goto setup_tx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1622
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1623
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1624
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1625
			/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1626
			pci_free_consistent(pdev, txdr->size, txdr->desc,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1627
					    txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1628
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1629
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1630
				"Unable to allocate aligned memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1631
				"for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1632
			vfree(txdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1633
			return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1634
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1635
			/* Free old allocation, new allocation was successful */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1636
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1637
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1638
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1639
	memset(txdr->desc, 0, txdr->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1640
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1641
	txdr->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1642
	txdr->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1643
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1644
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1645
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1646
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1647
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1648
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1649
 * 				  (Descriptors) for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1650
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1651
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1652
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1653
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1654
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1655
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1656
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1657
	int i, err = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1658
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1659
	for (i = 0; i < adapter->num_tx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1660
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1661
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1662
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1663
				"Allocation for Tx Queue %u failed\n", i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1664
			for (i-- ; i >= 0; i--)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1665
				e1000_free_tx_resources(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1666
							&adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1667
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1668
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1669
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1670
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1671
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1672
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1673
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1674
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1675
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1676
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1677
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1678
 * Configure the Tx unit of the MAC after a reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1679
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1680
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1681
static void e1000_configure_tx(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1682
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1683
	u64 tdba;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1684
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1685
	u32 tdlen, tctl, tipg, tarc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1686
	u32 ipgr1, ipgr2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1687
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1688
	/* Setup the HW Tx Head and Tail descriptor pointers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1689
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1690
	switch (adapter->num_tx_queues) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1691
	case 1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1692
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1693
		tdba = adapter->tx_ring[0].dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1694
		tdlen = adapter->tx_ring[0].count *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1695
			sizeof(struct e1000_tx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1696
		ew32(TDLEN, tdlen);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1697
		ew32(TDBAH, (tdba >> 32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1698
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1699
		ew32(TDT, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1700
		ew32(TDH, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1701
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1702
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1703
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1704
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1705
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1706
	/* Set the default values for the Tx Inter Packet Gap timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1707
	if (hw->mac_type <= e1000_82547_rev_2 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1708
	    (hw->media_type == e1000_media_type_fiber ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1709
	     hw->media_type == e1000_media_type_internal_serdes))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1710
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1711
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1712
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1713
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1714
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1715
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1716
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1717
		tipg = DEFAULT_82542_TIPG_IPGT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1718
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1719
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1720
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1721
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1722
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1723
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1724
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1725
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1726
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1727
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1728
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1729
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1730
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1731
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1732
	ew32(TIPG, tipg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1733
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1734
	/* Set the Tx Interrupt Delay register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1735
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1736
	ew32(TIDV, adapter->tx_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1737
	if (hw->mac_type >= e1000_82540)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1738
		ew32(TADV, adapter->tx_abs_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1739
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1740
	/* Program the Transmit Control Register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1741
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1742
	tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1743
	tctl &= ~E1000_TCTL_CT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1744
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1745
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1746
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1747
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1748
		tarc = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1749
		/* set the speed mode bit, we'll clear it if we're not at
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1750
		 * gigabit link later */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1751
		tarc |= (1 << 21);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1752
		ew32(TARC0, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1753
	} else if (hw->mac_type == e1000_80003es2lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1754
		tarc = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1755
		tarc |= 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1756
		ew32(TARC0, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1757
		tarc = er32(TARC1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1758
		tarc |= 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1759
		ew32(TARC1, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1760
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1761
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1762
	e1000_config_collision_dist(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1763
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1764
	/* Setup Transmit Descriptor Settings for eop descriptor */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1765
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1766
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1767
	/* only set IDE if we are delaying interrupts using the timers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1768
	if (adapter->tx_int_delay)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1769
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1770
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1771
	if (hw->mac_type < e1000_82543)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1772
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1773
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1774
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1775
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1776
	/* Cache if we're 82544 running in PCI-X because we'll
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1777
	 * need this to apply a workaround later in the send path. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1778
	if (hw->mac_type == e1000_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1779
	    hw->bus_type == e1000_bus_type_pcix)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1780
		adapter->pcix_82544 = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1781
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1782
	ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1783
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1784
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1785
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1786
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1787
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1788
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1789
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1790
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1791
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1792
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1793
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1794
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1795
				    struct e1000_rx_ring *rxdr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1796
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1797
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1798
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1799
	int size, desc_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1800
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1801
	size = sizeof(struct e1000_buffer) * rxdr->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1802
	rxdr->buffer_info = vmalloc(size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1803
	if (!rxdr->buffer_info) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1804
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1805
		"Unable to allocate memory for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1806
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1807
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1808
	memset(rxdr->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1809
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1810
	if (hw->mac_type <= e1000_82547_rev_2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1811
		desc_len = sizeof(struct e1000_rx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1812
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1813
		desc_len = sizeof(union e1000_rx_desc_packet_split);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1814
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1815
	/* Round up to nearest 4K */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1816
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1817
	rxdr->size = rxdr->count * desc_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1818
	rxdr->size = ALIGN(rxdr->size, 4096);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1819
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1820
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1821
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1822
	if (!rxdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1823
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1824
		"Unable to allocate memory for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1825
setup_rx_desc_die:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1826
		vfree(rxdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1827
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1828
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1829
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1830
	/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1831
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1832
		void *olddesc = rxdr->desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1833
		dma_addr_t olddma = rxdr->dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1834
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1835
				     "at %p\n", rxdr->size, rxdr->desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1836
		/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1837
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1838
		/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1839
		if (!rxdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1840
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1841
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1842
				"Unable to allocate memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1843
				"for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1844
			goto setup_rx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1845
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1846
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1847
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1848
			/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1849
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1850
					    rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1851
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1852
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1853
				"Unable to allocate aligned memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1854
				"for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1855
			goto setup_rx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1856
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1857
			/* Free old allocation, new allocation was successful */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1858
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1859
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1860
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1861
	memset(rxdr->desc, 0, rxdr->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1862
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1863
	rxdr->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1864
	rxdr->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1865
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1866
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1867
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1868
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1869
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1870
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1871
 * 				  (Descriptors) for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1872
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1873
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1874
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1875
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1876
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1877
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1878
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1879
	int i, err = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1880
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1881
	for (i = 0; i < adapter->num_rx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1882
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1883
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1884
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1885
				"Allocation for Rx Queue %u failed\n", i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1886
			for (i-- ; i >= 0; i--)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1887
				e1000_free_rx_resources(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1888
							&adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1889
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1890
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1891
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1892
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1893
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1894
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1895
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1896
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1897
 * e1000_setup_rctl - configure the receive control registers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1898
 * @adapter: Board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1899
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1900
static void e1000_setup_rctl(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1901
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1902
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1903
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1904
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1905
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1906
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1907
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1908
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1909
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1910
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1911
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1912
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1913
	if (hw->tbi_compatibility_on == 1)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1914
		rctl |= E1000_RCTL_SBP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1915
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1916
		rctl &= ~E1000_RCTL_SBP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1917
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1918
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1919
		rctl &= ~E1000_RCTL_LPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1920
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1921
		rctl |= E1000_RCTL_LPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1922
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1923
	/* Setup buffer sizes */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1924
	rctl &= ~E1000_RCTL_SZ_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1925
	rctl |= E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1926
	switch (adapter->rx_buffer_len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1927
		case E1000_RXBUFFER_256:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1928
			rctl |= E1000_RCTL_SZ_256;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1929
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1930
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1931
		case E1000_RXBUFFER_512:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1932
			rctl |= E1000_RCTL_SZ_512;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1933
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1934
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1935
		case E1000_RXBUFFER_1024:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1936
			rctl |= E1000_RCTL_SZ_1024;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1937
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1938
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1939
		case E1000_RXBUFFER_2048:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1940
		default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1941
			rctl |= E1000_RCTL_SZ_2048;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1942
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1943
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1944
		case E1000_RXBUFFER_4096:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1945
			rctl |= E1000_RCTL_SZ_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1946
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1947
		case E1000_RXBUFFER_8192:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1948
			rctl |= E1000_RCTL_SZ_8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1949
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1950
		case E1000_RXBUFFER_16384:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1951
			rctl |= E1000_RCTL_SZ_16384;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1952
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1953
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1954
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1955
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1956
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1957
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1958
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1959
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1960
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1961
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1962
 * Configure the Rx unit of the MAC after a reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1963
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1964
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1965
static void e1000_configure_rx(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1966
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1967
	u64 rdba;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1968
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1969
	u32 rdlen, rctl, rxcsum, ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1970
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1971
	rdlen = adapter->rx_ring[0].count *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1972
		sizeof(struct e1000_rx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1973
	adapter->clean_rx = e1000_clean_rx_irq;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1974
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1975
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1976
	/* disable receives while setting up the descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1977
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1978
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1979
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1980
	/* set the Receive Delay Timer Register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1981
	ew32(RDTR, adapter->rx_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1982
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1983
	if (hw->mac_type >= e1000_82540) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1984
		ew32(RADV, adapter->rx_abs_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1985
		if (adapter->itr_setting != 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1986
			ew32(ITR, 1000000000 / (adapter->itr * 256));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1987
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1988
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1989
	if (hw->mac_type >= e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1990
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1991
		/* Reset delay timers after every interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1992
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1993
		/* Auto-Mask interrupts upon ICR access */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1994
		ctrl_ext |= E1000_CTRL_EXT_IAME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1995
		ew32(IAM, 0xffffffff);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1996
		ew32(CTRL_EXT, ctrl_ext);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1997
		E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1998
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1999
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2000
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2001
	 * the Base and Length of the Rx Descriptor Ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2002
	switch (adapter->num_rx_queues) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2003
	case 1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2004
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2005
		rdba = adapter->rx_ring[0].dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2006
		ew32(RDLEN, rdlen);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2007
		ew32(RDBAH, (rdba >> 32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2008
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2009
		ew32(RDT, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2010
		ew32(RDH, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2011
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2012
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2013
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2014
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2015
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2016
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2017
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2018
		rxcsum = er32(RXCSUM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2019
		if (adapter->rx_csum)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2020
			rxcsum |= E1000_RXCSUM_TUOFL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2021
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2022
			/* don't need to clear IPPCSE as it defaults to 0 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2023
			rxcsum &= ~E1000_RXCSUM_TUOFL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2024
		ew32(RXCSUM, rxcsum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2025
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2026
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2027
	/* Enable Receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2028
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2029
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2030
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2031
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2032
 * e1000_free_tx_resources - Free Tx Resources per Queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2033
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2034
 * @tx_ring: Tx descriptor ring for a specific queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2035
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2036
 * Free all transmit software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2037
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2038
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2039
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2040
				    struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2041
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2042
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2043
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2044
	e1000_clean_tx_ring(adapter, tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2045
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2046
	vfree(tx_ring->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2047
	tx_ring->buffer_info = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2048
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2049
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2050
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2051
	tx_ring->desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2052
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2053
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2054
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2055
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2056
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2057
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2058
 * Free all transmit software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2059
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2060
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2061
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2062
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2063
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2064
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2065
	for (i = 0; i < adapter->num_tx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2066
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2067
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2068
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2069
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2070
					     struct e1000_buffer *buffer_info)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2071
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2072
	buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2073
	if (buffer_info->skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2074
		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2075
		              DMA_TO_DEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2076
		dev_kfree_skb_any(buffer_info->skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2077
		buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2078
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2079
	buffer_info->time_stamp = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2080
	/* buffer_info must be completely set up in the transmit path */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2081
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2082
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2083
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2084
 * e1000_clean_tx_ring - Free Tx Buffers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2085
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2086
 * @tx_ring: ring to be cleaned
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2087
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2088
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2089
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2090
				struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2091
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2092
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2093
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2094
	unsigned long size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2095
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2096
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2097
	/* Free all the Tx ring sk_buffs */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2098
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2099
	for (i = 0; i < tx_ring->count; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2100
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2101
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2102
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2103
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2104
	size = sizeof(struct e1000_buffer) * tx_ring->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2105
	memset(tx_ring->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2106
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2107
	/* Zero out the descriptor ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2108
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2109
	memset(tx_ring->desc, 0, tx_ring->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2110
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2111
	tx_ring->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2112
	tx_ring->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2113
	tx_ring->last_tx_tso = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2114
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2115
	writel(0, hw->hw_addr + tx_ring->tdh);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2116
	writel(0, hw->hw_addr + tx_ring->tdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2117
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2118
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2119
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2120
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2121
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2122
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2123
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2124
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2125
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2126
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2127
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2128
	for (i = 0; i < adapter->num_tx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2129
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2130
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2131
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2132
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2133
 * e1000_free_rx_resources - Free Rx Resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2134
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2135
 * @rx_ring: ring to clean the resources from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2136
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2137
 * Free all receive software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2138
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2139
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2140
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2141
				    struct e1000_rx_ring *rx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2142
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2143
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2144
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2145
	e1000_clean_rx_ring(adapter, rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2146
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2147
	vfree(rx_ring->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2148
	rx_ring->buffer_info = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2149
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2150
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2151
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2152
	rx_ring->desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2153
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2154
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2155
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2156
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2157
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2158
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2159
 * Free all receive software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2160
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2161
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2162
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2163
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2164
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2165
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2166
	for (i = 0; i < adapter->num_rx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2167
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2168
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2169
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2170
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2171
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2172
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2173
 * @rx_ring: ring to free buffers from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2174
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2175
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2176
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2177
				struct e1000_rx_ring *rx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2178
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2179
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2180
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2181
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2182
	unsigned long size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2183
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2184
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2185
	/* Free all the Rx ring sk_buffs */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2186
	for (i = 0; i < rx_ring->count; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2187
		buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2188
		if (buffer_info->dma) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2189
			pci_unmap_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2190
					 buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2191
					 buffer_info->length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2192
					 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2193
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2194
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2195
		buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2196
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2197
		if (buffer_info->skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2198
			dev_kfree_skb(buffer_info->skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2199
			buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2200
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2201
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2202
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2203
	size = sizeof(struct e1000_buffer) * rx_ring->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2204
	memset(rx_ring->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2205
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2206
	/* Zero out the descriptor ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2207
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2208
	memset(rx_ring->desc, 0, rx_ring->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2209
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2210
	rx_ring->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2211
	rx_ring->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2212
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2213
	writel(0, hw->hw_addr + rx_ring->rdh);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2214
	writel(0, hw->hw_addr + rx_ring->rdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2215
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2216
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2217
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2218
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2219
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2220
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2221
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2222
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2223
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2224
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2225
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2226
	for (i = 0; i < adapter->num_rx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2227
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2228
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2229
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2230
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2231
 * and memory write and invalidate disabled for certain operations
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2232
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2233
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2234
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2235
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2236
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2237
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2238
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2239
	e1000_pci_clear_mwi(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2240
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2241
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2242
	rctl |= E1000_RCTL_RST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2243
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2244
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2245
	mdelay(5);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2246
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2247
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2248
		e1000_clean_all_rx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2249
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2250
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2251
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2252
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2253
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2254
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2255
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2256
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2257
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2258
	rctl &= ~E1000_RCTL_RST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2259
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2260
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2261
	mdelay(5);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2262
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2263
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2264
		e1000_pci_set_mwi(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2265
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2266
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2267
		/* No need to loop, because 82542 supports only 1 queue */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2268
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2269
		e1000_configure_rx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2270
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2271
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2272
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2273
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2274
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2275
 * e1000_set_mac - Change the Ethernet Address of the NIC
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2276
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2277
 * @p: pointer to an address structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2278
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2279
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2280
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2281
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2282
static int e1000_set_mac(struct net_device *netdev, void *p)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2283
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2284
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2285
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2286
	struct sockaddr *addr = p;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2287
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2288
	if (!is_valid_ether_addr(addr->sa_data))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2289
		return -EADDRNOTAVAIL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2290
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2291
	/* 82542 2.0 needs to be in reset to write receive address registers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2292
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2293
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2294
		e1000_enter_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2295
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2296
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2297
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2298
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2299
	e1000_rar_set(hw, hw->mac_addr, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2300
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2301
	/* With 82571 controllers, LAA may be overwritten (with the default)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2302
	 * due to controller reset from the other port. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2303
	if (hw->mac_type == e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2304
		/* activate the work around */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2305
		hw->laa_is_present = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2306
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2307
		/* Hold a copy of the LAA in RAR[14] This is done so that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2308
		 * between the time RAR[0] gets clobbered  and the time it
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2309
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2310
		 * of the RARs and no incoming packets directed to this port
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2311
		 * are dropped. Eventaully the LAA will be in RAR[0] and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2312
		 * RAR[14] */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2313
		e1000_rar_set(hw, hw->mac_addr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2314
					E1000_RAR_ENTRIES - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2315
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2316
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2317
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2318
		e1000_leave_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2319
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2320
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2321
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2322
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2323
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2324
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2325
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2326
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2327
 * The set_rx_mode entry point is called whenever the unicast or multicast
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2328
 * address lists or the network interface flags are updated. This routine is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2329
 * responsible for configuring the hardware for proper unicast, multicast,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2330
 * promiscuous mode, and all-multi behavior.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2331
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2332
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2333
static void e1000_set_rx_mode(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2334
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2335
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2336
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2337
	struct netdev_hw_addr *ha;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2338
	bool use_uc = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2339
	struct dev_addr_list *mc_ptr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2340
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2341
	u32 hash_value;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2342
	int i, rar_entries = E1000_RAR_ENTRIES;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2343
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2344
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2345
				E1000_NUM_MTA_REGISTERS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2346
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2348
	if (!mcarray) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2349
		DPRINTK(PROBE, ERR, "memory allocation failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2350
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2351
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2352
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2353
	if (hw->mac_type == e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2354
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2355
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2356
	/* reserve RAR[14] for LAA over-write work-around */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2357
	if (hw->mac_type == e1000_82571)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2358
		rar_entries--;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2359
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2360
	/* Check for Promiscuous and All Multicast modes */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2361
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2362
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2363
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2364
	if (netdev->flags & IFF_PROMISC) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2365
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2366
		rctl &= ~E1000_RCTL_VFE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2367
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2368
		if (netdev->flags & IFF_ALLMULTI) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2369
			rctl |= E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2370
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2371
			rctl &= ~E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2372
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2373
		if (adapter->hw.mac_type != e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2374
			rctl |= E1000_RCTL_VFE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2375
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2376
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2377
	if (netdev->uc.count > rar_entries - 1) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2378
		rctl |= E1000_RCTL_UPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2379
	} else if (!(netdev->flags & IFF_PROMISC)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2380
		rctl &= ~E1000_RCTL_UPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2381
		use_uc = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2382
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2383
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2384
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2385
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2386
	/* 82542 2.0 needs to be in reset to write receive address registers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2387
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2388
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2389
		e1000_enter_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2390
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2391
	/* load the first 14 addresses into the exact filters 1-14. Unicast
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2392
	 * addresses take precedence to avoid disabling unicast filtering
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2393
	 * when possible.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2394
	 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2395
	 * RAR 0 is used for the station MAC adddress
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2396
	 * if there are not 14 addresses, go ahead and clear the filters
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2397
	 * -- with 82571 controllers only 0-13 entries are filled here
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2398
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2399
	i = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2400
	if (use_uc)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2401
		list_for_each_entry(ha, &netdev->uc.list, list) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2402
			if (i == rar_entries)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2403
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2404
			e1000_rar_set(hw, ha->addr, i++);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2405
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2406
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2407
	WARN_ON(i == rar_entries);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2409
	mc_ptr = netdev->mc_list;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2410
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2411
	for (; i < rar_entries; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2412
		if (mc_ptr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2413
			e1000_rar_set(hw, mc_ptr->da_addr, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2414
			mc_ptr = mc_ptr->next;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2415
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2416
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2417
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2418
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2419
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2420
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2421
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2422
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2423
	/* load any remaining addresses into the hash table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2424
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2425
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2426
		u32 hash_reg, hash_bit, mta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2427
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2428
		hash_reg = (hash_value >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2429
		hash_bit = hash_value & 0x1F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2430
		mta = (1 << hash_bit);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2431
		mcarray[hash_reg] |= mta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2432
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2433
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2434
	/* write the hash table completely, write from bottom to avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2435
	 * both stupid write combining chipsets, and flushing each write */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2436
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2437
		/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2438
		 * If we are on an 82544 has an errata where writing odd
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2439
		 * offsets overwrites the previous even offset, but writing
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2440
		 * backwards over the range solves the issue by always
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2441
		 * writing the odd offset first
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2442
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2443
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2444
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2445
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2446
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2447
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2448
		e1000_leave_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2449
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2450
	kfree(mcarray);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2451
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2452
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2453
/* Need to wait a few seconds after link up to get diagnostic information from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2454
 * the phy */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2455
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2456
static void e1000_update_phy_info(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2457
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2458
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2459
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2460
	e1000_phy_get_info(hw, &adapter->phy_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2461
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2462
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2463
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2464
 * e1000_82547_tx_fifo_stall - Timer Call-back
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2465
 * @data: pointer to adapter cast into an unsigned long
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2466
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2467
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2468
static void e1000_82547_tx_fifo_stall(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2469
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2470
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2471
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2472
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2473
	u32 tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2474
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2475
	if (atomic_read(&adapter->tx_fifo_stall)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2476
		if ((er32(TDT) == er32(TDH)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2477
		   (er32(TDFT) == er32(TDFH)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2478
		   (er32(TDFTS) == er32(TDFHS))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2479
			tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2480
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2481
			ew32(TDFT, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2482
			ew32(TDFH, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2483
			ew32(TDFTS, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2484
			ew32(TDFHS, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2485
			ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2486
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2487
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2488
			adapter->tx_fifo_head = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2489
			atomic_set(&adapter->tx_fifo_stall, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2490
			netif_wake_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2491
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2492
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2493
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2494
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2495
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2496
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2497
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2498
 * e1000_watchdog - Timer Call-back
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2499
 * @data: pointer to adapter cast into an unsigned long
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2500
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2501
static void e1000_watchdog(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2502
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2503
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2504
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2505
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2506
	struct e1000_tx_ring *txdr = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2507
	u32 link, tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2508
	s32 ret_val;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2509
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2510
	ret_val = e1000_check_for_link(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2511
	if ((ret_val == E1000_ERR_PHY) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2512
	    (hw->phy_type == e1000_phy_igp_3) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2513
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2514
		/* See e1000_kumeran_lock_loss_workaround() */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2515
		DPRINTK(LINK, INFO,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2516
			"Gigabit has been disabled, downgrading speed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2517
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2519
	if (hw->mac_type == e1000_82573) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2520
		e1000_enable_tx_pkt_filtering(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2521
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2522
			e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2523
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2524
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2525
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2526
	   !(er32(TXCW) & E1000_TXCW_ANE))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2527
		link = !hw->serdes_link_down;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2528
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2529
		link = er32(STATUS) & E1000_STATUS_LU;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2530
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2531
	if (link) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2532
		if (!netif_carrier_ok(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2533
			u32 ctrl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2534
			bool txb2b = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2535
			e1000_get_speed_and_duplex(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2536
			                           &adapter->link_speed,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2537
			                           &adapter->link_duplex);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2538
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2539
			ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2540
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2541
			       "Flow Control: %s\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2542
			       netdev->name,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2543
			       adapter->link_speed,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2544
			       adapter->link_duplex == FULL_DUPLEX ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2545
			        "Full Duplex" : "Half Duplex",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2546
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2547
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2548
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2549
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2550
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2551
			/* tweak tx_queue_len according to speed/duplex
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2552
			 * and adjust the timeout factor */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2553
			netdev->tx_queue_len = adapter->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2554
			adapter->tx_timeout_factor = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2555
			switch (adapter->link_speed) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2556
			case SPEED_10:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2557
				txb2b = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2558
				netdev->tx_queue_len = 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2559
				adapter->tx_timeout_factor = 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2560
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2561
			case SPEED_100:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2562
				txb2b = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2563
				netdev->tx_queue_len = 100;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2564
				/* maybe add some timeout factor ? */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2565
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2566
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2567
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2568
			if ((hw->mac_type == e1000_82571 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2569
			     hw->mac_type == e1000_82572) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2570
			    !txb2b) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2571
				u32 tarc0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2572
				tarc0 = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2573
				tarc0 &= ~(1 << 21);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2574
				ew32(TARC0, tarc0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2575
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2576
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2577
			/* disable TSO for pcie and 10/100 speeds, to avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2578
			 * some hardware issues */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2579
			if (!adapter->tso_force &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2580
			    hw->bus_type == e1000_bus_type_pci_express){
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2581
				switch (adapter->link_speed) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2582
				case SPEED_10:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2583
				case SPEED_100:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2584
					DPRINTK(PROBE,INFO,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2585
				        "10/100 speed: disabling TSO\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2586
					netdev->features &= ~NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2587
					netdev->features &= ~NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2588
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2589
				case SPEED_1000:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2590
					netdev->features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2591
					netdev->features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2592
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2593
				default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2594
					/* oops */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2595
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2596
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2597
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2598
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2599
			/* enable transmits in the hardware, need to do this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2600
			 * after setting TARC0 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2601
			tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2602
			tctl |= E1000_TCTL_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2603
			ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2604
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2605
			netif_carrier_on(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2606
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2607
			adapter->smartspeed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2608
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2609
			/* make sure the receive unit is started */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2610
			if (hw->rx_needs_kicking) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2611
				u32 rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2612
				ew32(RCTL, rctl | E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2613
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2614
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2615
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2616
		if (netif_carrier_ok(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2617
			adapter->link_speed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2618
			adapter->link_duplex = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2619
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2620
			       netdev->name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2621
			netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2622
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2623
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2624
			/* 80003ES2LAN workaround--
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2625
			 * For packet buffer work-around on link down event;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2626
			 * disable receives in the ISR and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2627
			 * reset device here in the watchdog
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2628
			 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2629
			if (hw->mac_type == e1000_80003es2lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2630
				/* reset device */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2631
				schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2632
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2633
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2634
		e1000_smartspeed(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2635
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2636
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2637
	e1000_update_stats(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2638
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2639
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2640
	adapter->tpt_old = adapter->stats.tpt;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2641
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2642
	adapter->colc_old = adapter->stats.colc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2643
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2644
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2645
	adapter->gorcl_old = adapter->stats.gorcl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2646
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2647
	adapter->gotcl_old = adapter->stats.gotcl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2648
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2649
	e1000_update_adaptive(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2650
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2651
	if (!netif_carrier_ok(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2652
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2653
			/* We've lost link, so the controller stops DMA,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2654
			 * but we've got queued Tx work that's never going
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2655
			 * to get done, so reset controller to flush Tx.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2656
			 * (Do the reset outside of interrupt context). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2657
			adapter->tx_timeout_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2658
			schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2659
			/* return immediately since reset is imminent */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2660
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2661
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2662
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2663
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2664
	/* Cause software interrupt to ensure rx ring is cleaned */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2665
	ew32(ICS, E1000_ICS_RXDMT0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2666
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2667
	/* Force detection of hung controller every watchdog period */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2668
	adapter->detect_tx_hung = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2669
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2670
	/* With 82571 controllers, LAA may be overwritten due to controller
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2671
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2672
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2673
		e1000_rar_set(hw, hw->mac_addr, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2674
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2675
	/* Reset the timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2676
	mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2677
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2678
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2679
enum latency_range {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2680
	lowest_latency = 0,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2681
	low_latency = 1,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2682
	bulk_latency = 2,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2683
	latency_invalid = 255
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2684
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2685
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2686
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2687
 * e1000_update_itr - update the dynamic ITR value based on statistics
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2688
 *      Stores a new ITR value based on packets and byte
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2689
 *      counts during the last interrupt.  The advantage of per interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2690
 *      computation is faster updates and more accurate ITR for the current
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2691
 *      traffic pattern.  Constants in this function were computed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2692
 *      based on theoretical maximum wire speed and thresholds were set based
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2693
 *      on testing data as well as attempting to minimize response time
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2694
 *      while increasing bulk throughput.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2695
 *      this functionality is controlled by the InterruptThrottleRate module
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2696
 *      parameter (see e1000_param.c)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2697
 * @adapter: pointer to adapter
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2698
 * @itr_setting: current adapter->itr
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2699
 * @packets: the number of packets during this measurement interval
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2700
 * @bytes: the number of bytes during this measurement interval
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2701
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2702
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2703
				     u16 itr_setting, int packets, int bytes)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2704
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2705
	unsigned int retval = itr_setting;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2706
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2707
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2708
	if (unlikely(hw->mac_type < e1000_82540))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2709
		goto update_itr_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2710
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2711
	if (packets == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2712
		goto update_itr_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2713
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2714
	switch (itr_setting) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2715
	case lowest_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2716
		/* jumbo frames get bulk treatment*/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2717
		if (bytes/packets > 8000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2718
			retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2719
		else if ((packets < 5) && (bytes > 512))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2720
			retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2721
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2722
	case low_latency:  /* 50 usec aka 20000 ints/s */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2723
		if (bytes > 10000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2724
			/* jumbo frames need bulk latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2725
			if (bytes/packets > 8000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2726
				retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2727
			else if ((packets < 10) || ((bytes/packets) > 1200))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2728
				retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2729
			else if ((packets > 35))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2730
				retval = lowest_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2731
		} else if (bytes/packets > 2000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2732
			retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2733
		else if (packets <= 2 && bytes < 512)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2734
			retval = lowest_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2735
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2736
	case bulk_latency: /* 250 usec aka 4000 ints/s */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2737
		if (bytes > 25000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2738
			if (packets > 35)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2739
				retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2740
		} else if (bytes < 6000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2741
			retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2742
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2743
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2744
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2745
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2746
update_itr_done:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2747
	return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2748
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2749
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2750
static void e1000_set_itr(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2751
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2752
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2753
	u16 current_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2754
	u32 new_itr = adapter->itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2755
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2756
	if (unlikely(hw->mac_type < e1000_82540))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2757
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2758
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2759
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2760
	if (unlikely(adapter->link_speed != SPEED_1000)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2761
		current_itr = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2762
		new_itr = 4000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2763
		goto set_itr_now;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2764
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2765
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2766
	adapter->tx_itr = e1000_update_itr(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2767
	                            adapter->tx_itr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2768
	                            adapter->total_tx_packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2769
	                            adapter->total_tx_bytes);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2770
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2771
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2772
		adapter->tx_itr = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2773
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2774
	adapter->rx_itr = e1000_update_itr(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2775
	                            adapter->rx_itr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2776
	                            adapter->total_rx_packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2777
	                            adapter->total_rx_bytes);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2778
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2779
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2780
		adapter->rx_itr = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2781
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2782
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2783
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2784
	switch (current_itr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2785
	/* counts and packets in update_itr are dependent on these numbers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2786
	case lowest_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2787
		new_itr = 70000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2788
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2789
	case low_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2790
		new_itr = 20000; /* aka hwitr = ~200 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2791
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2792
	case bulk_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2793
		new_itr = 4000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2794
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2795
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2796
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2797
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2798
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2799
set_itr_now:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2800
	if (new_itr != adapter->itr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2801
		/* this attempts to bias the interrupt rate towards Bulk
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2802
		 * by adding intermediate steps when interrupt rate is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2803
		 * increasing */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2804
		new_itr = new_itr > adapter->itr ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2805
		             min(adapter->itr + (new_itr >> 2), new_itr) :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2806
		             new_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2807
		adapter->itr = new_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2808
		ew32(ITR, 1000000000 / (new_itr * 256));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2809
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2810
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2811
	return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2812
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2813
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2814
#define E1000_TX_FLAGS_CSUM		0x00000001
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2815
#define E1000_TX_FLAGS_VLAN		0x00000002
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2816
#define E1000_TX_FLAGS_TSO		0x00000004
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2817
#define E1000_TX_FLAGS_IPV4		0x00000008
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2818
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2819
#define E1000_TX_FLAGS_VLAN_SHIFT	16
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2820
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2821
static int e1000_tso(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2822
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2823
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2824
	struct e1000_context_desc *context_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2825
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2826
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2827
	u32 cmd_length = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2828
	u16 ipcse = 0, tucse, mss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2829
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2830
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2831
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2832
	if (skb_is_gso(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2833
		if (skb_header_cloned(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2834
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2835
			if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2836
				return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2837
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2838
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2839
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2840
		mss = skb_shinfo(skb)->gso_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2841
		if (skb->protocol == htons(ETH_P_IP)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2842
			struct iphdr *iph = ip_hdr(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2843
			iph->tot_len = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2844
			iph->check = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2845
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2846
								 iph->daddr, 0,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2847
								 IPPROTO_TCP,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2848
								 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2849
			cmd_length = E1000_TXD_CMD_IP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2850
			ipcse = skb_transport_offset(skb) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2851
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2852
			ipv6_hdr(skb)->payload_len = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2853
			tcp_hdr(skb)->check =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2854
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2855
						 &ipv6_hdr(skb)->daddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2856
						 0, IPPROTO_TCP, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2857
			ipcse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2858
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2859
		ipcss = skb_network_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2860
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2861
		tucss = skb_transport_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2862
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2863
		tucse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2864
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2865
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2866
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2867
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2868
		i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2869
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2870
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2871
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2872
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2873
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2874
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2875
		context_desc->upper_setup.tcp_fields.tucss = tucss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2876
		context_desc->upper_setup.tcp_fields.tucso = tucso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2877
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2878
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2879
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2880
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2881
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2882
		buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2883
		buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2884
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2885
		if (++i == tx_ring->count) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2886
		tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2887
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2888
		return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2889
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2890
	return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2891
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2892
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2893
static bool e1000_tx_csum(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2894
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2895
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2896
	struct e1000_context_desc *context_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2897
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2898
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2899
	u8 css;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2900
	u32 cmd_len = E1000_TXD_CMD_DEXT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2901
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2902
	if (skb->ip_summed != CHECKSUM_PARTIAL)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2903
		return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2904
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2905
	switch (skb->protocol) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2906
	case cpu_to_be16(ETH_P_IP):
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2907
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2908
			cmd_len |= E1000_TXD_CMD_TCP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2909
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2910
	case cpu_to_be16(ETH_P_IPV6):
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2911
		/* XXX not handling all IPV6 headers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2912
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2913
			cmd_len |= E1000_TXD_CMD_TCP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2914
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2915
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2916
		if (unlikely(net_ratelimit()))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2917
			DPRINTK(DRV, WARNING,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2918
			        "checksum_partial proto=%x!\n", skb->protocol);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2919
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2920
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2921
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2922
	css = skb_transport_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2923
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2924
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2925
	buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2926
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2927
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2928
	context_desc->lower_setup.ip_config = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2929
	context_desc->upper_setup.tcp_fields.tucss = css;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2930
	context_desc->upper_setup.tcp_fields.tucso =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2931
		css + skb->csum_offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2932
	context_desc->upper_setup.tcp_fields.tucse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2933
	context_desc->tcp_seg_setup.data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2934
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2935
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2936
	buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2937
	buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2938
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2939
	if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2940
	tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2941
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2942
	return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2943
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2944
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2945
#define E1000_MAX_TXD_PWR	12
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2946
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2947
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2948
static int e1000_tx_map(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2949
			struct e1000_tx_ring *tx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2950
			struct sk_buff *skb, unsigned int first,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2951
			unsigned int max_per_txd, unsigned int nr_frags,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2952
			unsigned int mss)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2953
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2954
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2955
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2956
	unsigned int len = skb_headlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2957
	unsigned int offset, size, count = 0, i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2958
	unsigned int f;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2959
	dma_addr_t *map;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2960
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2961
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2962
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2963
	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2964
		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2965
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2966
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2967
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2968
	map = skb_shinfo(skb)->dma_maps;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2969
	offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2970
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2971
	while (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2972
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2973
		size = min(len, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2974
		/* Workaround for Controller erratum --
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2975
		 * descriptor for non-tso packet in a linear SKB that follows a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2976
		 * tso gets written back prematurely before the data is fully
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2977
		 * DMA'd to the controller */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2978
		if (!skb->data_len && tx_ring->last_tx_tso &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2979
		    !skb_is_gso(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2980
			tx_ring->last_tx_tso = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2981
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2982
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2983
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2984
		/* Workaround for premature desc write-backs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2985
		 * in TSO mode.  Append 4-byte sentinel desc */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2986
		if (unlikely(mss && !nr_frags && size == len && size > 8))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2987
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2988
		/* work-around for errata 10 and it applies
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2989
		 * to all controllers in PCI-X mode
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2990
		 * The fix is to make sure that the first descriptor of a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2991
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2992
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2993
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2994
		                (size > 2015) && count == 0))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2995
		        size = 2015;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2996
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2997
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2998
		 * terminating buffers within evenly-aligned dwords. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2999
		if (unlikely(adapter->pcix_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3000
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3001
		   size > 4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3002
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3003
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3004
		buffer_info->length = size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3005
		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3006
		buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3007
		buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3008
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3009
		len -= size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3010
		offset += size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3011
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3012
		if (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3013
			i++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3014
			if (unlikely(i == tx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3015
				i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3016
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3017
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3018
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3019
	for (f = 0; f < nr_frags; f++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3020
		struct skb_frag_struct *frag;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3021
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3022
		frag = &skb_shinfo(skb)->frags[f];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3023
		len = frag->size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3024
		offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3025
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3026
		while (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3027
			i++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3028
			if (unlikely(i == tx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3029
				i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3030
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3031
			buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3032
			size = min(len, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3033
			/* Workaround for premature desc write-backs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3034
			 * in TSO mode.  Append 4-byte sentinel desc */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3035
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3036
				size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3037
			/* Workaround for potential 82544 hang in PCI-X.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3038
			 * Avoid terminating buffers within evenly-aligned
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3039
			 * dwords. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3040
			if (unlikely(adapter->pcix_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3041
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3042
			   size > 4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3043
				size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3044
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3045
			buffer_info->length = size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3046
			buffer_info->dma = map[f] + offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3047
			buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3048
			buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3049
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3050
			len -= size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3051
			offset += size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3052
			count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3053
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3054
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3055
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3056
	tx_ring->buffer_info[i].skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3057
	tx_ring->buffer_info[first].next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3058
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3059
	return count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3060
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3061
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3062
static void e1000_tx_queue(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3063
			   struct e1000_tx_ring *tx_ring, int tx_flags,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3064
			   int count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3065
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3066
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3067
	struct e1000_tx_desc *tx_desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3068
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3069
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3070
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3071
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3072
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3073
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3074
		             E1000_TXD_CMD_TSE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3075
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3076
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3077
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3078
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3079
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3080
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3081
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3082
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3083
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3084
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3085
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3086
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3087
		txd_lower |= E1000_TXD_CMD_VLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3088
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3089
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3090
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3091
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3092
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3093
	while (count--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3094
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3095
		tx_desc = E1000_TX_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3096
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3097
		tx_desc->lower.data =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3098
			cpu_to_le32(txd_lower | buffer_info->length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3099
		tx_desc->upper.data = cpu_to_le32(txd_upper);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3100
		if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3101
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3102
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3103
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3104
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3105
	/* Force memory writes to complete before letting h/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3106
	 * know there are new descriptors to fetch.  (Only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3107
	 * applicable for weak-ordered memory model archs,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3108
	 * such as IA-64). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3109
	wmb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3110
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3111
	tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3112
	writel(i, hw->hw_addr + tx_ring->tdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3113
	/* we need this if more than one processor can write to our tail
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3114
	 * at a time, it syncronizes IO on IA64/Altix systems */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3115
	mmiowb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3116
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3117
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3118
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3119
 * 82547 workaround to avoid controller hang in half-duplex environment.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3120
 * The workaround is to avoid queuing a large packet that would span
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3121
 * the internal Tx FIFO ring boundary by notifying the stack to resend
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3122
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3123
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3124
 * to the beginning of the Tx FIFO.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3125
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3126
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3127
#define E1000_FIFO_HDR			0x10
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3128
#define E1000_82547_PAD_LEN		0x3E0
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3129
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3130
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3131
				       struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3132
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3133
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3134
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3135
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3136
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3137
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3138
	if (adapter->link_duplex != HALF_DUPLEX)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3139
		goto no_fifo_stall_required;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3140
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3141
	if (atomic_read(&adapter->tx_fifo_stall))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3142
		return 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3143
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3144
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3145
		atomic_set(&adapter->tx_fifo_stall, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3146
		return 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3147
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3148
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3149
no_fifo_stall_required:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3150
	adapter->tx_fifo_head += skb_fifo_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3151
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3152
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3153
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3154
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3155
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3156
#define MINIMUM_DHCP_PACKET_SIZE 282
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3157
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3158
				    struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3159
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3160
	struct e1000_hw *hw =  &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3161
	u16 length, offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3162
	if (vlan_tx_tag_present(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3163
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3164
			( hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3165
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3166
			return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3167
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3168
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3169
		struct ethhdr *eth = (struct ethhdr *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3170
		if ((htons(ETH_P_IP) == eth->h_proto)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3171
			const struct iphdr *ip =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3172
				(struct iphdr *)((u8 *)skb->data+14);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3173
			if (IPPROTO_UDP == ip->protocol) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3174
				struct udphdr *udp =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3175
					(struct udphdr *)((u8 *)ip +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3176
						(ip->ihl << 2));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3177
				if (ntohs(udp->dest) == 67) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3178
					offset = (u8 *)udp + 8 - skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3179
					length = skb->len - offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3180
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3181
					return e1000_mng_write_dhcp_info(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3182
							(u8 *)udp + 8,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3183
							length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3184
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3185
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3186
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3187
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3188
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3189
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3190
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3191
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3192
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3193
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3194
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3195
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3196
	netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3197
	/* Herbert's original patch had:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3198
	 *  smp_mb__after_netif_stop_queue();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3199
	 * but since that doesn't exist yet, just open code it. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3200
	smp_mb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3201
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3202
	/* We need to check again in a case another CPU has just
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3203
	 * made room available. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3204
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3205
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3206
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3207
	/* A reprieve! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3208
	netif_start_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3209
	++adapter->restart_queue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3210
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3211
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3212
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3213
static int e1000_maybe_stop_tx(struct net_device *netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3214
                               struct e1000_tx_ring *tx_ring, int size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3215
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3216
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3217
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3218
	return __e1000_maybe_stop_tx(netdev, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3219
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3220
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3221
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3222
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3223
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3224
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3225
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3226
	struct e1000_tx_ring *tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3227
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3228
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3229
	unsigned int tx_flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3230
	unsigned int len = skb->len - skb->data_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3231
	unsigned int nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3232
	unsigned int mss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3233
	int count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3234
	int tso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3235
	unsigned int f;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3236
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3237
	/* This goes back to the question of how to logically map a tx queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3238
	 * to a flow.  Right now, performance is impacted slightly negatively
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3239
	 * if using multiple tx queues.  If the stack breaks away from a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3240
	 * single qdisc implementation, we can look at this again. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3241
	tx_ring = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3242
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3243
	if (unlikely(skb->len <= 0)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3244
		dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3245
		return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3246
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3247
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3248
	/* 82571 and newer doesn't need the workaround that limited descriptor
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3249
	 * length to 4kB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3250
	if (hw->mac_type >= e1000_82571)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3251
		max_per_txd = 8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3252
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3253
	mss = skb_shinfo(skb)->gso_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3254
	/* The controller does a simple calculation to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3255
	 * make sure there is enough room in the FIFO before
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3256
	 * initiating the DMA for each buffer.  The calc is:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3257
	 * 4 = ceil(buffer len/mss).  To make sure we don't
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3258
	 * overrun the FIFO, adjust the max buffer len if mss
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3259
	 * drops. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3260
	if (mss) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3261
		u8 hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3262
		max_per_txd = min(mss << 2, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3263
		max_txd_pwr = fls(max_per_txd) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3264
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3265
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3266
		* points to just header, pull a few bytes of payload from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3267
		* frags into skb->data */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3268
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3269
		if (skb->data_len && hdr_len == len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3270
			switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3271
				unsigned int pull_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3272
			case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3273
				/* Make sure we have room to chop off 4 bytes,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3274
				 * and that the end alignment will work out to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3275
				 * this hardware's requirements
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3276
				 * NOTE: this is a TSO only workaround
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3277
				 * if end byte alignment not correct move us
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3278
				 * into the next dword */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3279
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3280
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3281
				/* fall through */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3282
			case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3283
			case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3284
			case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3285
			case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3286
				pull_size = min((unsigned int)4, skb->data_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3287
				if (!__pskb_pull_tail(skb, pull_size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3288
					DPRINTK(DRV, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3289
						"__pskb_pull_tail failed.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3290
					dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3291
					return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3292
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3293
				len = skb->len - skb->data_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3294
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3295
			default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3296
				/* do nothing */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3297
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3298
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3299
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3300
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3301
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3302
	/* reserve a descriptor for the offload context */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3303
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3304
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3305
	count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3306
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3307
	/* Controller Erratum workaround */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3308
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3309
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3310
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3311
	count += TXD_USE_COUNT(len, max_txd_pwr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3312
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3313
	if (adapter->pcix_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3314
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3315
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3316
	/* work-around for errata 10 and it applies to all controllers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3317
	 * in PCI-X mode, so add one more descriptor to the count
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3318
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3319
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3320
			(len > 2015)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3321
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3322
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3323
	nr_frags = skb_shinfo(skb)->nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3324
	for (f = 0; f < nr_frags; f++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3325
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3326
				       max_txd_pwr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3327
	if (adapter->pcix_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3328
		count += nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3329
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3330
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3331
	if (hw->tx_pkt_filtering &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3332
	    (hw->mac_type == e1000_82573))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3333
		e1000_transfer_dhcp_info(adapter, skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3334
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3335
	/* need: count + 2 desc gap to keep tail from touching
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3336
	 * head, otherwise try next time */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3337
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3338
		return NETDEV_TX_BUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3339
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3340
	if (unlikely(hw->mac_type == e1000_82547)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3341
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3342
			netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3343
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3344
			return NETDEV_TX_BUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3345
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3346
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3348
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3349
		tx_flags |= E1000_TX_FLAGS_VLAN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3350
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3351
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3352
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3353
	first = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3354
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3355
	tso = e1000_tso(adapter, tx_ring, skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3356
	if (tso < 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3357
		dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3358
		return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3359
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3360
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3361
	if (likely(tso)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3362
		tx_ring->last_tx_tso = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3363
		tx_flags |= E1000_TX_FLAGS_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3364
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3365
		tx_flags |= E1000_TX_FLAGS_CSUM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3366
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3367
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3368
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3369
	 * no longer assume, we must. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3370
	if (likely(skb->protocol == htons(ETH_P_IP)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3371
		tx_flags |= E1000_TX_FLAGS_IPV4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3372
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3373
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3374
	                     nr_frags, mss);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3375
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3376
	if (count) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3377
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3378
		/* Make sure there is space in the ring for the next send. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3379
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3380
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3381
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3382
		dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3383
		tx_ring->buffer_info[first].time_stamp = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3384
		tx_ring->next_to_use = first;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3385
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3386
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3387
	return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3388
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3389
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3390
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3391
 * e1000_tx_timeout - Respond to a Tx Hang
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3392
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3393
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3394
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3395
static void e1000_tx_timeout(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3396
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3397
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3398
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3399
	/* Do the reset outside of interrupt context */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3400
	adapter->tx_timeout_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3401
	schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3402
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3403
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3404
static void e1000_reset_task(struct work_struct *work)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3405
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3406
	struct e1000_adapter *adapter =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3407
		container_of(work, struct e1000_adapter, reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3409
	e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3410
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3411
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3412
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3413
 * e1000_get_stats - Get System Network Statistics
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3414
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3415
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3416
 * Returns the address of the device statistics structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3417
 * The statistics are actually updated from the timer callback.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3418
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3419
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3420
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3421
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3422
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3423
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3424
	/* only return the current stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3425
	return &adapter->net_stats;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3426
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3427
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3428
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3429
 * e1000_change_mtu - Change the Maximum Transfer Unit
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3430
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3431
 * @new_mtu: new value for maximum frame size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3432
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3433
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3434
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3435
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3436
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3437
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3438
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3439
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3440
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3441
	u16 eeprom_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3442
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3443
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3444
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3445
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3446
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3447
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3448
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3449
	/* Adapter-specific max frame size limits. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3450
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3451
	case e1000_undefined ... e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3452
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3453
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3454
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3455
			return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3456
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3457
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3458
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3459
		/* Jumbo Frames not supported if:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3460
		 * - this is not an 82573L device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3461
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3462
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3463
		                  &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3464
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3465
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3466
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3467
				DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3468
			            	"Jumbo Frames not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3469
				return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3470
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3471
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3472
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3473
		/* ERT will be enabled later to enable wire speed receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3474
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3475
		/* fall through to get support */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3476
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3477
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3478
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3479
#define MAX_STD_JUMBO_FRAME_SIZE 9234
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3480
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3481
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3482
			return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3483
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3484
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3485
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3486
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3487
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3488
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3489
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3490
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3491
	 * means we reserve 2 more, this pushes us to allocate from the next
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3492
	 * larger slab size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3493
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3494
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3495
	if (max_frame <= E1000_RXBUFFER_256)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3496
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3497
	else if (max_frame <= E1000_RXBUFFER_512)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3498
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3499
	else if (max_frame <= E1000_RXBUFFER_1024)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3500
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3501
	else if (max_frame <= E1000_RXBUFFER_2048)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3502
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3503
	else if (max_frame <= E1000_RXBUFFER_4096)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3504
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3505
	else if (max_frame <= E1000_RXBUFFER_8192)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3506
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3507
	else if (max_frame <= E1000_RXBUFFER_16384)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3508
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3509
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3510
	/* adjust allocation if LPE protects us, and we aren't using SBP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3511
	if (!hw->tbi_compatibility_on &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3512
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3513
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3514
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3515
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3516
	netdev->mtu = new_mtu;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3517
	hw->max_frame_size = max_frame;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3519
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3520
		e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3521
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3522
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3523
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3524
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3525
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3526
 * e1000_update_stats - Update the board statistics counters
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3527
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3528
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3529
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3530
void e1000_update_stats(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3531
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3532
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3533
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3534
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3535
	u16 phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3536
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3537
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3538
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3539
	/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3540
	 * Prevent stats update while adapter is being reset, or if the pci
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3541
	 * connection is down.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3542
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3543
	if (adapter->link_speed == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3544
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3545
	if (pci_channel_offline(pdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3546
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3547
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3548
	spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3549
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3550
	/* these counters are modified from e1000_tbi_adjust_stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3551
	 * called from the interrupt context, so they must only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3552
	 * be written while holding adapter->stats_lock
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3553
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3554
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3555
	adapter->stats.crcerrs += er32(CRCERRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3556
	adapter->stats.gprc += er32(GPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3557
	adapter->stats.gorcl += er32(GORCL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3558
	adapter->stats.gorch += er32(GORCH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3559
	adapter->stats.bprc += er32(BPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3560
	adapter->stats.mprc += er32(MPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3561
	adapter->stats.roc += er32(ROC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3562
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3563
	if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3564
		adapter->stats.prc64 += er32(PRC64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3565
		adapter->stats.prc127 += er32(PRC127);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3566
		adapter->stats.prc255 += er32(PRC255);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3567
		adapter->stats.prc511 += er32(PRC511);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3568
		adapter->stats.prc1023 += er32(PRC1023);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3569
		adapter->stats.prc1522 += er32(PRC1522);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3570
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3571
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3572
	adapter->stats.symerrs += er32(SYMERRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3573
	adapter->stats.mpc += er32(MPC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3574
	adapter->stats.scc += er32(SCC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3575
	adapter->stats.ecol += er32(ECOL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3576
	adapter->stats.mcc += er32(MCC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3577
	adapter->stats.latecol += er32(LATECOL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3578
	adapter->stats.dc += er32(DC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3579
	adapter->stats.sec += er32(SEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3580
	adapter->stats.rlec += er32(RLEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3581
	adapter->stats.xonrxc += er32(XONRXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3582
	adapter->stats.xontxc += er32(XONTXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3583
	adapter->stats.xoffrxc += er32(XOFFRXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3584
	adapter->stats.xofftxc += er32(XOFFTXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3585
	adapter->stats.fcruc += er32(FCRUC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3586
	adapter->stats.gptc += er32(GPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3587
	adapter->stats.gotcl += er32(GOTCL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3588
	adapter->stats.gotch += er32(GOTCH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3589
	adapter->stats.rnbc += er32(RNBC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3590
	adapter->stats.ruc += er32(RUC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3591
	adapter->stats.rfc += er32(RFC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3592
	adapter->stats.rjc += er32(RJC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3593
	adapter->stats.torl += er32(TORL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3594
	adapter->stats.torh += er32(TORH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3595
	adapter->stats.totl += er32(TOTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3596
	adapter->stats.toth += er32(TOTH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3597
	adapter->stats.tpr += er32(TPR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3598
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3599
	if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3600
		adapter->stats.ptc64 += er32(PTC64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3601
		adapter->stats.ptc127 += er32(PTC127);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3602
		adapter->stats.ptc255 += er32(PTC255);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3603
		adapter->stats.ptc511 += er32(PTC511);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3604
		adapter->stats.ptc1023 += er32(PTC1023);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3605
		adapter->stats.ptc1522 += er32(PTC1522);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3606
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3607
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3608
	adapter->stats.mptc += er32(MPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3609
	adapter->stats.bptc += er32(BPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3610
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3611
	/* used for adaptive IFS */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3612
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3613
	hw->tx_packet_delta = er32(TPT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3614
	adapter->stats.tpt += hw->tx_packet_delta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3615
	hw->collision_delta = er32(COLC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3616
	adapter->stats.colc += hw->collision_delta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3617
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3618
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3619
		adapter->stats.algnerrc += er32(ALGNERRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3620
		adapter->stats.rxerrc += er32(RXERRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3621
		adapter->stats.tncrs += er32(TNCRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3622
		adapter->stats.cexterr += er32(CEXTERR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3623
		adapter->stats.tsctc += er32(TSCTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3624
		adapter->stats.tsctfc += er32(TSCTFC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3625
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3626
	if (hw->mac_type > e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3627
		adapter->stats.iac += er32(IAC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3628
		adapter->stats.icrxoc += er32(ICRXOC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3629
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3630
		if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3631
			adapter->stats.icrxptc += er32(ICRXPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3632
			adapter->stats.icrxatc += er32(ICRXATC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3633
			adapter->stats.ictxptc += er32(ICTXPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3634
			adapter->stats.ictxatc += er32(ICTXATC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3635
			adapter->stats.ictxqec += er32(ICTXQEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3636
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3637
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3638
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3639
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3640
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3641
	/* Fill out the OS statistics structure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3642
	adapter->net_stats.multicast = adapter->stats.mprc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3643
	adapter->net_stats.collisions = adapter->stats.colc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3644
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3645
	/* Rx Errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3646
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3647
	/* RLEC on some newer hardware can be incorrect so build
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3648
	* our own version based on RUC and ROC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3649
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3650
		adapter->stats.crcerrs + adapter->stats.algnerrc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3651
		adapter->stats.ruc + adapter->stats.roc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3652
		adapter->stats.cexterr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3653
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3654
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3655
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3656
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3657
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3658
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3659
	/* Tx Errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3660
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3661
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3662
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3663
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3664
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3665
	if (hw->bad_tx_carr_stats_fd &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3666
	    adapter->link_duplex == FULL_DUPLEX) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3667
		adapter->net_stats.tx_carrier_errors = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3668
		adapter->stats.tncrs = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3669
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3670
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3671
	/* Tx Dropped needs to be maintained elsewhere */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3672
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3673
	/* Phy Stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3674
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3675
		if ((adapter->link_speed == SPEED_1000) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3676
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3677
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3678
			adapter->phy_stats.idle_errors += phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3679
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3680
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3681
		if ((hw->mac_type <= e1000_82546) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3682
		   (hw->phy_type == e1000_phy_m88) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3683
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3684
			adapter->phy_stats.receive_errors += phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3685
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3686
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3687
	/* Management Stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3688
	if (hw->has_smbus) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3689
		adapter->stats.mgptc += er32(MGTPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3690
		adapter->stats.mgprc += er32(MGTPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3691
		adapter->stats.mgpdc += er32(MGTPDC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3692
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3693
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3694
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3695
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3696
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3697
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3698
 * e1000_intr_msi - Interrupt Handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3699
 * @irq: interrupt number
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3700
 * @data: pointer to a network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3701
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3702
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3703
static irqreturn_t e1000_intr_msi(int irq, void *data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3704
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3705
	struct net_device *netdev = data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3706
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3707
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3708
	u32 icr = er32(ICR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3709
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3710
	/* in NAPI mode read ICR disables interrupts using IAM */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3711
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3712
	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3713
		hw->get_link_status = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3714
		/* 80003ES2LAN workaround-- For packet buffer work-around on
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3715
		 * link down event; disable receives here in the ISR and reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3716
		 * adapter in watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3717
		if (netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3718
		    (hw->mac_type == e1000_80003es2lan)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3719
			/* disable receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3720
			u32 rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3721
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3722
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3723
		/* guard against interrupt when we're going down */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3724
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3725
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3726
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3727
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3728
	if (likely(napi_schedule_prep(&adapter->napi))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3729
		adapter->total_tx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3730
		adapter->total_tx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3731
		adapter->total_rx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3732
		adapter->total_rx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3733
		__napi_schedule(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3734
	} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3735
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3736
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3737
	return IRQ_HANDLED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3738
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3739
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3740
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3741
 * e1000_intr - Interrupt Handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3742
 * @irq: interrupt number
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3743
 * @data: pointer to a network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3744
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3745
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3746
static irqreturn_t e1000_intr(int irq, void *data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3747
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3748
	struct net_device *netdev = data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3749
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3750
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3751
	u32 rctl, icr = er32(ICR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3752
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3753
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3754
		return IRQ_NONE;  /* Not our interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3755
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3756
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3757
	 * not set, then the adapter didn't send an interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3758
	if (unlikely(hw->mac_type >= e1000_82571 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3759
	             !(icr & E1000_ICR_INT_ASSERTED)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3760
		return IRQ_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3761
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3762
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3763
	 * need for the IMC write */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3764
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3765
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3766
		hw->get_link_status = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3767
		/* 80003ES2LAN workaround--
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3768
		 * For packet buffer work-around on link down event;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3769
		 * disable receives here in the ISR and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3770
		 * reset adapter in watchdog
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3771
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3772
		if (netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3773
		    (hw->mac_type == e1000_80003es2lan)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3774
			/* disable receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3775
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3776
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3777
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3778
		/* guard against interrupt when we're going down */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3779
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3780
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3781
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3782
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3783
	if (unlikely(hw->mac_type < e1000_82571)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3784
		/* disable interrupts, without the synchronize_irq bit */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3785
		ew32(IMC, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3786
		E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3787
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3788
	if (likely(napi_schedule_prep(&adapter->napi))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3789
		adapter->total_tx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3790
		adapter->total_tx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3791
		adapter->total_rx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3792
		adapter->total_rx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3793
		__napi_schedule(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3794
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3795
		/* this really should not happen! if it does it is basically a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3796
		 * bug, but not a hard error, so enable ints and continue */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3797
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3798
			e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3799
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3800
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3801
	return IRQ_HANDLED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3802
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3803
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3804
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3805
 * e1000_clean - NAPI Rx polling callback
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3806
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3807
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3808
static int e1000_clean(struct napi_struct *napi, int budget)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3809
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3810
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3811
	struct net_device *poll_dev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3812
	int tx_cleaned = 0, work_done = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3813
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3814
	adapter = netdev_priv(poll_dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3815
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3816
	tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3817
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3818
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3819
	                  &work_done, budget);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3820
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3821
	if (!tx_cleaned)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3822
		work_done = budget;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3823
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3824
	/* If budget not fully consumed, exit the polling mode */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3825
	if (work_done < budget) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3826
		if (likely(adapter->itr_setting & 3))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3827
			e1000_set_itr(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3828
		napi_complete(napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3829
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3830
			e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3831
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3832
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3833
	return work_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3834
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3835
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3836
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3837
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3838
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3839
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3840
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3841
			       struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3842
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3843
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3844
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3845
	struct e1000_tx_desc *tx_desc, *eop_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3846
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3847
	unsigned int i, eop;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3848
	unsigned int count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3849
	unsigned int total_tx_bytes=0, total_tx_packets=0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3850
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3851
	i = tx_ring->next_to_clean;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3852
	eop = tx_ring->buffer_info[i].next_to_watch;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3853
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3854
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3855
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3856
	       (count < tx_ring->count)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3857
		bool cleaned = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3858
		for ( ; !cleaned; count++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3859
			tx_desc = E1000_TX_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3860
			buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3861
			cleaned = (i == eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3862
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3863
			if (cleaned) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3864
				struct sk_buff *skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3865
				unsigned int segs, bytecount;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3866
				segs = skb_shinfo(skb)->gso_segs ?: 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3867
				/* multiply data chunks by size of headers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3868
				bytecount = ((segs - 1) * skb_headlen(skb)) +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3869
				            skb->len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3870
				total_tx_packets += segs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3871
				total_tx_bytes += bytecount;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3872
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3873
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3874
			tx_desc->upper.data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3875
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3876
			if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3877
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3878
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3879
		eop = tx_ring->buffer_info[i].next_to_watch;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3880
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3881
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3882
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3883
	tx_ring->next_to_clean = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3884
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3885
#define TX_WAKE_THRESHOLD 32
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3886
	if (unlikely(count && netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3887
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3888
		/* Make sure that anybody stopping the queue after this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3889
		 * sees the new next_to_clean.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3890
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3891
		smp_mb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3892
		if (netif_queue_stopped(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3893
			netif_wake_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3894
			++adapter->restart_queue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3895
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3896
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3897
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3898
	if (adapter->detect_tx_hung) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3899
		/* Detect a transmit hang in hardware, this serializes the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3900
		 * check with the clearing of time_stamp and movement of i */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3901
		adapter->detect_tx_hung = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3902
		if (tx_ring->buffer_info[i].time_stamp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3903
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3904
		               (adapter->tx_timeout_factor * HZ))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3905
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3906
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3907
			/* detected Tx unit hang */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3908
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3909
					"  Tx Queue             <%lu>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3910
					"  TDH                  <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3911
					"  TDT                  <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3912
					"  next_to_use          <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3913
					"  next_to_clean        <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3914
					"buffer_info[next_to_clean]\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3915
					"  time_stamp           <%lx>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3916
					"  next_to_watch        <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3917
					"  jiffies              <%lx>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3918
					"  next_to_watch.status <%x>\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3919
				(unsigned long)((tx_ring - adapter->tx_ring) /
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3920
					sizeof(struct e1000_tx_ring)),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3921
				readl(hw->hw_addr + tx_ring->tdh),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3922
				readl(hw->hw_addr + tx_ring->tdt),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3923
				tx_ring->next_to_use,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3924
				tx_ring->next_to_clean,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3925
				tx_ring->buffer_info[i].time_stamp,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3926
				eop,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3927
				jiffies,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3928
				eop_desc->upper.fields.status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3929
			netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3930
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3931
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3932
	adapter->total_tx_bytes += total_tx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3933
	adapter->total_tx_packets += total_tx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3934
	adapter->net_stats.tx_bytes += total_tx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3935
	adapter->net_stats.tx_packets += total_tx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3936
	return (count < tx_ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3937
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3938
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3939
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3940
 * e1000_rx_checksum - Receive Checksum Offload for 82543
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3941
 * @adapter:     board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3942
 * @status_err:  receive descriptor status and error fields
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3943
 * @csum:        receive descriptor csum field
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3944
 * @sk_buff:     socket buffer with received data
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3945
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3946
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3947
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3948
			      u32 csum, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3949
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3950
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3951
	u16 status = (u16)status_err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3952
	u8 errors = (u8)(status_err >> 24);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3953
	skb->ip_summed = CHECKSUM_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3954
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3955
	/* 82543 or newer only */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3956
	if (unlikely(hw->mac_type < e1000_82543)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3957
	/* Ignore Checksum bit is set */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3958
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3959
	/* TCP/UDP checksum error bit is set */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3960
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3961
		/* let the stack verify checksum errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3962
		adapter->hw_csum_err++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3963
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3964
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3965
	/* TCP/UDP Checksum has not been calculated */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3966
	if (hw->mac_type <= e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3967
		if (!(status & E1000_RXD_STAT_TCPCS))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3968
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3969
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3970
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3971
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3972
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3973
	/* It must be a TCP or UDP packet with a valid checksum */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3974
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3975
		/* TCP checksum is good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3976
		skb->ip_summed = CHECKSUM_UNNECESSARY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3977
	} else if (hw->mac_type > e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3978
		/* IP fragment with UDP payload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3979
		/* Hardware complements the payload checksum, so we undo it
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3980
		 * and then put the value in host order for further stack use.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3981
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3982
		__sum16 sum = (__force __sum16)htons(csum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3983
		skb->csum = csum_unfold(~sum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3984
		skb->ip_summed = CHECKSUM_COMPLETE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3985
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3986
	adapter->hw_csum_good++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3987
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3988
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3989
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3990
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3991
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3992
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3993
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3994
			       struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3995
			       int *work_done, int work_to_do)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3996
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3997
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3998
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3999
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4000
	struct e1000_rx_desc *rx_desc, *next_rxd;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4001
	struct e1000_buffer *buffer_info, *next_buffer;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4002
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4003
	u32 length;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4004
	u8 last_byte;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4005
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4006
	int cleaned_count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4007
	bool cleaned = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4008
	unsigned int total_rx_bytes=0, total_rx_packets=0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4009
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4010
	i = rx_ring->next_to_clean;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4011
	rx_desc = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4012
	buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4013
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4014
	while (rx_desc->status & E1000_RXD_STAT_DD) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4015
		struct sk_buff *skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4016
		u8 status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4017
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4018
		if (*work_done >= work_to_do)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4019
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4020
		(*work_done)++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4021
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4022
		status = rx_desc->status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4023
		skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4024
		buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4025
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4026
		prefetch(skb->data - NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4027
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4028
		if (++i == rx_ring->count) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4029
		next_rxd = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4030
		prefetch(next_rxd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4031
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4032
		next_buffer = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4033
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4034
		cleaned = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4035
		cleaned_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4036
		pci_unmap_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4037
		                 buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4038
		                 buffer_info->length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4039
		                 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4040
		buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4041
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4042
		length = le16_to_cpu(rx_desc->length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4043
		/* !EOP means multiple descriptors were used to store a single
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4044
		 * packet, also make sure the frame isn't just CRC only */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4045
		if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4046
			/* All receives must fit into a single buffer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4047
			E1000_DBG("%s: Receive packet consumed multiple"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4048
				  " buffers\n", netdev->name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4049
			/* recycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4050
			buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4051
			goto next_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4052
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4053
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4054
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4055
			last_byte = *(skb->data + length - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4056
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4057
				       last_byte)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4058
				spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4059
				e1000_tbi_adjust_stats(hw, &adapter->stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4060
				                       length, skb->data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4061
				spin_unlock_irqrestore(&adapter->stats_lock,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4062
				                       flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4063
				length--;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4064
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4065
				/* recycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4066
				buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4067
				goto next_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4068
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4069
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4070
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4071
		/* adjust length to remove Ethernet CRC, this must be
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4072
		 * done after the TBI_ACCEPT workaround above */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4073
		length -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4074
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4075
		/* probably a little skewed due to removing CRC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4076
		total_rx_bytes += length;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4077
		total_rx_packets++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4078
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4079
		/* code added for copybreak, this should improve
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4080
		 * performance for small packets with large amounts
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4081
		 * of reassembly being done in the stack */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4082
		if (length < copybreak) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4083
			struct sk_buff *new_skb =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4084
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4085
			if (new_skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4086
				skb_reserve(new_skb, NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4087
				skb_copy_to_linear_data_offset(new_skb,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4088
							       -NET_IP_ALIGN,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4089
							       (skb->data -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4090
							        NET_IP_ALIGN),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4091
							       (length +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4092
							        NET_IP_ALIGN));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4093
				/* save the skb in buffer_info as good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4094
				buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4095
				skb = new_skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4096
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4097
			/* else just continue with the old one */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4098
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4099
		/* end copybreak code */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4100
		skb_put(skb, length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4101
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4102
		/* Receive Checksum Offload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4103
		e1000_rx_checksum(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4104
				  (u32)(status) |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4105
				  ((u32)(rx_desc->errors) << 24),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4106
				  le16_to_cpu(rx_desc->csum), skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4107
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4108
		skb->protocol = eth_type_trans(skb, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4109
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4110
		if (unlikely(adapter->vlgrp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4111
			    (status & E1000_RXD_STAT_VP))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4112
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4113
						 le16_to_cpu(rx_desc->special));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4114
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4115
			netif_receive_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4116
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4117
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4118
next_desc:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4119
		rx_desc->status = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4120
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4121
		/* return some buffers to hardware, one at a time is too slow */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4122
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4123
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4124
			cleaned_count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4125
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4126
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4127
		/* use prefetched values */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4128
		rx_desc = next_rxd;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4129
		buffer_info = next_buffer;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4130
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4131
	rx_ring->next_to_clean = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4132
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4133
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4134
	if (cleaned_count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4135
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4136
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4137
	adapter->total_rx_packets += total_rx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4138
	adapter->total_rx_bytes += total_rx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4139
	adapter->net_stats.rx_bytes += total_rx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4140
	adapter->net_stats.rx_packets += total_rx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4141
	return cleaned;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4142
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4143
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4144
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4145
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4146
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4147
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4148
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4149
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4150
				   struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4151
				   int cleaned_count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4152
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4153
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4154
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4155
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4156
	struct e1000_rx_desc *rx_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4157
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4158
	struct sk_buff *skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4159
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4160
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4161
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4162
	i = rx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4163
	buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4164
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4165
	while (cleaned_count--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4166
		skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4167
		if (skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4168
			skb_trim(skb, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4169
			goto map_skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4170
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4171
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4172
		skb = netdev_alloc_skb(netdev, bufsz);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4173
		if (unlikely(!skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4174
			/* Better luck next round */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4175
			adapter->alloc_rx_buff_failed++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4176
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4177
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4178
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4179
		/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4180
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4181
			struct sk_buff *oldskb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4182
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4183
					     "at %p\n", bufsz, skb->data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4184
			/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4185
			skb = netdev_alloc_skb(netdev, bufsz);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4186
			/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4187
			if (!skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4188
				dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4189
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4190
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4191
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4192
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4193
				/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4194
				dev_kfree_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4195
				dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4196
				break; /* while !buffer_info->skb */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4197
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4199
			/* Use new allocation */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4200
			dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4201
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4202
		/* Make buffer alignment 2 beyond a 16 byte boundary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4203
		 * this will result in a 16 byte aligned IP header after
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4204
		 * the 14 byte MAC header is removed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4205
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4206
		skb_reserve(skb, NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4207
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4208
		buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4209
		buffer_info->length = adapter->rx_buffer_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4210
map_skb:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4211
		buffer_info->dma = pci_map_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4212
						  skb->data,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4213
						  adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4214
						  PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4215
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4216
		/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4217
		if (!e1000_check_64k_bound(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4218
					(void *)(unsigned long)buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4219
					adapter->rx_buffer_len)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4220
			DPRINTK(RX_ERR, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4221
				"dma align check failed: %u bytes at %p\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4222
				adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4223
				(void *)(unsigned long)buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4224
			dev_kfree_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4225
			buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4226
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4227
			pci_unmap_single(pdev, buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4228
					 adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4229
					 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4230
			buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4231
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4232
			break; /* while !buffer_info->skb */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4233
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4234
		rx_desc = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4235
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4236
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4237
		if (unlikely(++i == rx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4238
			i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4239
		buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4240
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4241
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4242
	if (likely(rx_ring->next_to_use != i)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4243
		rx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4244
		if (unlikely(i-- == 0))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4245
			i = (rx_ring->count - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4246
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4247
		/* Force memory writes to complete before letting h/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4248
		 * know there are new descriptors to fetch.  (Only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4249
		 * applicable for weak-ordered memory model archs,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4250
		 * such as IA-64). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4251
		wmb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4252
		writel(i, hw->hw_addr + rx_ring->rdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4253
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4254
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4255
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4256
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4257
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4258
 * @adapter:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4259
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4260
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4261
static void e1000_smartspeed(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4262
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4263
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4264
	u16 phy_status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4265
	u16 phy_ctrl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4266
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4267
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4268
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4269
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4270
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4271
	if (adapter->smartspeed == 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4272
		/* If Master/Slave config fault is asserted twice,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4273
		 * we assume back-to-back */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4274
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4275
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4276
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4277
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4278
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4279
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4280
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4281
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4282
					    phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4283
			adapter->smartspeed++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4284
			if (!e1000_phy_setup_autoneg(hw) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4285
			   !e1000_read_phy_reg(hw, PHY_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4286
				   	       &phy_ctrl)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4287
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4288
					     MII_CR_RESTART_AUTO_NEG);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4289
				e1000_write_phy_reg(hw, PHY_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4290
						    phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4291
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4292
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4293
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4294
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4295
		/* If still no link, perhaps using 2/3 pair cable */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4296
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4297
		phy_ctrl |= CR_1000T_MS_ENABLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4298
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4299
		if (!e1000_phy_setup_autoneg(hw) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4300
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4301
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4302
				     MII_CR_RESTART_AUTO_NEG);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4303
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4304
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4305
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4306
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4307
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4308
		adapter->smartspeed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4309
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4310
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4311
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4312
 * e1000_ioctl -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4313
 * @netdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4314
 * @ifreq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4315
 * @cmd:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4316
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4317
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4318
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4319
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4320
	switch (cmd) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4321
	case SIOCGMIIPHY:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4322
	case SIOCGMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4323
	case SIOCSMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4324
		return e1000_mii_ioctl(netdev, ifr, cmd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4325
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4326
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4327
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4328
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4329
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4330
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4331
 * e1000_mii_ioctl -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4332
 * @netdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4333
 * @ifreq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4334
 * @cmd:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4335
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4336
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4337
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4338
			   int cmd)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4339
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4340
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4341
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4342
	struct mii_ioctl_data *data = if_mii(ifr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4343
	int retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4344
	u16 mii_reg;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4345
	u16 spddplx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4346
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4348
	if (hw->media_type != e1000_media_type_copper)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4349
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4350
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4351
	switch (cmd) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4352
	case SIOCGMIIPHY:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4353
		data->phy_id = hw->phy_addr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4354
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4355
	case SIOCGMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4356
		if (!capable(CAP_NET_ADMIN))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4357
			return -EPERM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4358
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4359
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4360
				   &data->val_out)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4361
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4362
			return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4363
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4364
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4365
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4366
	case SIOCSMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4367
		if (!capable(CAP_NET_ADMIN))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4368
			return -EPERM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4369
		if (data->reg_num & ~(0x1F))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4370
			return -EFAULT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4371
		mii_reg = data->val_in;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4372
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4373
		if (e1000_write_phy_reg(hw, data->reg_num,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4374
					mii_reg)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4375
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4376
			return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4377
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4378
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4379
		if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4380
			switch (data->reg_num) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4381
			case PHY_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4382
				if (mii_reg & MII_CR_POWER_DOWN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4383
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4384
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4385
					hw->autoneg = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4386
					hw->autoneg_advertised = 0x2F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4387
				} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4388
					if (mii_reg & 0x40)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4389
						spddplx = SPEED_1000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4390
					else if (mii_reg & 0x2000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4391
						spddplx = SPEED_100;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4392
					else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4393
						spddplx = SPEED_10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4394
					spddplx += (mii_reg & 0x100)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4395
						   ? DUPLEX_FULL :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4396
						   DUPLEX_HALF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4397
					retval = e1000_set_spd_dplx(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4398
								    spddplx);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4399
					if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4400
						return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4401
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4402
				if (netif_running(adapter->netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4403
					e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4404
				else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4405
					e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4406
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4407
			case M88E1000_PHY_SPEC_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4408
			case M88E1000_EXT_PHY_SPEC_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4409
				if (e1000_phy_reset(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4410
					return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4411
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4412
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4413
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4414
			switch (data->reg_num) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4415
			case PHY_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4416
				if (mii_reg & MII_CR_POWER_DOWN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4417
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4418
				if (netif_running(adapter->netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4419
					e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4420
				else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4421
					e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4422
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4423
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4424
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4425
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4426
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4427
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4428
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4429
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4430
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4431
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4432
void e1000_pci_set_mwi(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4433
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4434
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4435
	int ret_val = pci_set_mwi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4436
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4437
	if (ret_val)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4438
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4439
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4440
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4441
void e1000_pci_clear_mwi(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4442
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4443
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4444
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4445
	pci_clear_mwi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4446
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4447
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4448
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4449
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4450
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4451
	return pcix_get_mmrbc(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4452
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4453
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4454
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4455
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4456
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4457
	pcix_set_mmrbc(adapter->pdev, mmrbc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4458
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4459
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4460
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4461
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4462
    struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4463
    u16 cap_offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4464
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4465
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4466
    if (!cap_offset)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4467
        return -E1000_ERR_CONFIG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4468
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4469
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4470
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4471
    return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4472
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4473
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4474
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4475
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4476
	outl(value, port);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4477
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4478
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4479
static void e1000_vlan_rx_register(struct net_device *netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4480
				   struct vlan_group *grp)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4481
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4482
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4483
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4484
	u32 ctrl, rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4485
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4486
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4487
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4488
	adapter->vlgrp = grp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4489
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4490
	if (grp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4491
		/* enable VLAN tag insert/strip */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4492
		ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4493
		ctrl |= E1000_CTRL_VME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4494
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4495
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4496
		if (adapter->hw.mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4497
			/* enable VLAN receive filtering */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4498
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4499
			rctl &= ~E1000_RCTL_CFIEN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4500
			ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4501
			e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4502
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4503
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4504
		/* disable VLAN tag insert/strip */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4505
		ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4506
		ctrl &= ~E1000_CTRL_VME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4507
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4508
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4509
		if (adapter->hw.mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4510
			if (adapter->mng_vlan_id !=
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4511
			    (u16)E1000_MNG_VLAN_NONE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4512
				e1000_vlan_rx_kill_vid(netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4513
				                       adapter->mng_vlan_id);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4514
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4515
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4516
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4517
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4519
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4520
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4521
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4522
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4523
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4524
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4525
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4526
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4527
	u32 vfta, index;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4528
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4529
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4530
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4531
	    (vid == adapter->mng_vlan_id))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4532
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4533
	/* add VID to filter table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4534
	index = (vid >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4535
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4536
	vfta |= (1 << (vid & 0x1F));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4537
	e1000_write_vfta(hw, index, vfta);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4538
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4539
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4540
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4541
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4542
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4543
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4544
	u32 vfta, index;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4545
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4546
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4547
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4548
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4549
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4550
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4551
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4552
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4553
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4554
	    (vid == adapter->mng_vlan_id)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4555
		/* release control to f/w */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4556
		e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4557
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4558
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4559
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4560
	/* remove VID from filter table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4561
	index = (vid >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4562
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4563
	vfta &= ~(1 << (vid & 0x1F));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4564
	e1000_write_vfta(hw, index, vfta);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4565
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4566
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4567
static void e1000_restore_vlan(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4568
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4569
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4570
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4571
	if (adapter->vlgrp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4572
		u16 vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4573
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4574
			if (!vlan_group_get_device(adapter->vlgrp, vid))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4575
				continue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4576
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4577
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4578
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4579
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4580
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4581
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4582
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4583
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4584
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4585
	hw->autoneg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4586
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4587
	/* Fiber NICs only allow 1000 gbps Full duplex */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4588
	if ((hw->media_type == e1000_media_type_fiber) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4589
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4590
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4591
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4592
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4593
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4594
	switch (spddplx) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4595
	case SPEED_10 + DUPLEX_HALF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4596
		hw->forced_speed_duplex = e1000_10_half;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4597
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4598
	case SPEED_10 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4599
		hw->forced_speed_duplex = e1000_10_full;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4600
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4601
	case SPEED_100 + DUPLEX_HALF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4602
		hw->forced_speed_duplex = e1000_100_half;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4603
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4604
	case SPEED_100 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4605
		hw->forced_speed_duplex = e1000_100_full;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4606
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4607
	case SPEED_1000 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4608
		hw->autoneg = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4609
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4610
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4611
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4612
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4613
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4614
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4615
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4616
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4617
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4618
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4619
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4620
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4621
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4622
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4623
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4624
	u32 ctrl, ctrl_ext, rctl, status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4625
	u32 wufc = adapter->wol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4626
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4627
	int retval = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4628
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4629
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4630
	netif_device_detach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4631
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4632
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4633
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4634
		e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4635
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4636
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4637
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4638
	retval = pci_save_state(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4639
	if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4640
		return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4641
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4642
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4643
	status = er32(STATUS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4644
	if (status & E1000_STATUS_LU)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4645
		wufc &= ~E1000_WUFC_LNKC;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4646
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4647
	if (wufc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4648
		e1000_setup_rctl(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4649
		e1000_set_rx_mode(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4650
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4651
		/* turn on all-multi mode if wake on multicast is enabled */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4652
		if (wufc & E1000_WUFC_MC) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4653
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4654
			rctl |= E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4655
			ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4656
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4657
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4658
		if (hw->mac_type >= e1000_82540) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4659
			ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4660
			/* advertise wake from D3Cold */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4661
			#define E1000_CTRL_ADVD3WUC 0x00100000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4662
			/* phy power management enable */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4663
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4664
			ctrl |= E1000_CTRL_ADVD3WUC |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4665
				E1000_CTRL_EN_PHY_PWR_MGMT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4666
			ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4667
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4668
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4669
		if (hw->media_type == e1000_media_type_fiber ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4670
		   hw->media_type == e1000_media_type_internal_serdes) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4671
			/* keep the laser running in D3 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4672
			ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4673
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4674
			ew32(CTRL_EXT, ctrl_ext);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4675
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4676
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4677
		/* Allow time for pending master requests to run */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4678
		e1000_disable_pciex_master(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4679
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4680
		ew32(WUC, E1000_WUC_PME_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4681
		ew32(WUFC, wufc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4682
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4683
		ew32(WUC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4684
		ew32(WUFC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4685
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4686
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4687
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4688
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4689
	*enable_wake = !!wufc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4690
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4691
	/* make sure adapter isn't asleep if manageability is enabled */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4692
	if (adapter->en_mng_pt)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4693
		*enable_wake = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4694
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4695
	if (hw->phy_type == e1000_phy_igp_3)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4696
		e1000_phy_powerdown_workaround(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4697
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4698
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4699
		e1000_free_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4700
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4701
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4702
	 * would have already happened in close and is redundant. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4703
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4704
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4705
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4706
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4707
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4708
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4709
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4710
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4711
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4712
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4713
	int retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4714
	bool wake;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4715
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4716
	retval = __e1000_shutdown(pdev, &wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4717
	if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4718
		return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4719
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4720
	if (wake) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4721
		pci_prepare_to_sleep(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4722
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4723
		pci_wake_from_d3(pdev, false);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4724
		pci_set_power_state(pdev, PCI_D3hot);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4725
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4726
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4727
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4728
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4729
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4730
static int e1000_resume(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4731
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4732
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4733
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4734
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4735
	u32 err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4736
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4737
	pci_set_power_state(pdev, PCI_D0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4738
	pci_restore_state(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4739
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4740
	if (adapter->need_ioport)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4741
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4742
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4743
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4744
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4745
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4746
		return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4747
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4748
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4749
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4750
	pci_enable_wake(pdev, PCI_D3hot, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4751
	pci_enable_wake(pdev, PCI_D3cold, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4752
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4753
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4754
		err = e1000_request_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4755
		if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4756
			return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4757
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4758
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4759
	e1000_power_up_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4760
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4761
	ew32(WUS, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4762
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4763
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4764
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4765
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4766
		e1000_up(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4767
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4768
	netif_device_attach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4769
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4770
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4771
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4772
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4773
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4774
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4775
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4776
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4777
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4778
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4779
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4780
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4781
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4782
static void e1000_shutdown(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4783
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4784
	bool wake;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4785
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4786
	__e1000_shutdown(pdev, &wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4787
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4788
	if (system_state == SYSTEM_POWER_OFF) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4789
		pci_wake_from_d3(pdev, wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4790
		pci_set_power_state(pdev, PCI_D3hot);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4791
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4792
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4793
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4794
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4795
/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4796
 * Polling 'interrupt' - used by things like netconsole to send skbs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4797
 * without having to re-enable interrupts. It's not called while
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4798
 * the interrupt routine is executing.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4799
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4800
static void e1000_netpoll(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4801
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4802
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4803
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4804
	disable_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4805
	e1000_intr(adapter->pdev->irq, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4806
	enable_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4807
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4808
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4809
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4810
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4811
 * e1000_io_error_detected - called when PCI error is detected
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4812
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4813
 * @state: The current pci conneection state
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4814
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4815
 * This function is called after a PCI bus error affecting
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4816
 * this device has been detected.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4817
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4818
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4819
						pci_channel_state_t state)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4820
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4821
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4822
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4823
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4824
	netif_device_detach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4825
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4826
	if (state == pci_channel_io_perm_failure)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4827
		return PCI_ERS_RESULT_DISCONNECT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4828
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4829
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4830
		e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4831
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4832
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4833
	/* Request a slot slot reset. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4834
	return PCI_ERS_RESULT_NEED_RESET;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4835
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4836
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4837
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4838
 * e1000_io_slot_reset - called after the pci bus has been reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4839
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4840
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4841
 * Restart the card from scratch, as if from a cold-boot. Implementation
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4842
 * resembles the first-half of the e1000_resume routine.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4843
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4844
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4845
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4846
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4847
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4848
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4849
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4850
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4851
	if (adapter->need_ioport)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4852
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4853
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4854
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4855
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4856
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4857
		return PCI_ERS_RESULT_DISCONNECT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4858
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4859
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4860
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4861
	pci_enable_wake(pdev, PCI_D3hot, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4862
	pci_enable_wake(pdev, PCI_D3cold, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4863
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4864
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4865
	ew32(WUS, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4866
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4867
	return PCI_ERS_RESULT_RECOVERED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4868
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4869
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4870
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4871
 * e1000_io_resume - called when traffic can start flowing again.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4872
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4873
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4874
 * This callback is called when the error recovery driver tells us that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4875
 * its OK to resume normal operation. Implementation resembles the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4876
 * second-half of the e1000_resume routine.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4877
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4878
static void e1000_io_resume(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4879
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4880
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4881
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4882
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4883
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4884
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4885
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4886
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4887
		if (e1000_up(adapter)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4888
			printk("e1000: can't bring device back up after reset\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4889
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4890
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4891
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4892
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4893
	netif_device_attach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4894
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4895
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4896
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4897
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4898
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4899
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4900
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4901
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4902
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4903
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4904
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4905
/* e1000_main.c */