devices/e1000/e1000_main-2.6.28-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 05 Feb 2013 16:45:34 +0100
branchstable-1.5
changeset 2505 5ef3197e5e1f
parent 2471 fc64a4b1ec1a
child 2582 87e502828b3f
permissions -rw-r--r--
Added ecrt_slave_config_reg_so_entry_pos() to register non-unique entries.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#include "e1000-2.6.27-ethercat.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-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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// do not auto-load driver
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// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_rx_mode(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static 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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void ec_poll(struct net_device *);
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static irqreturn_t e1000_intr(int irq, void *data);
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static irqreturn_t e1000_intr_msi(int irq, void *data);
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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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                                   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter)
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{
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	struct 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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parents:
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   261
	int irq_flags = IRQF_SHARED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
 	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
 		return 0;
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2051
diff changeset
   266
2051
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	if (hw->mac_type >= e1000_82571) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		if (adapter->have_msi) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
			handler = e1000_intr_msi;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
			irq_flags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	                  netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		if (adapter->have_msi)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
			pci_disable_msi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
		        "Unable to allocate interrupt Error: %d\n", err);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
static void e1000_free_irq(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	free_irq(adapter->pdev->irq, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	if (adapter->have_msi)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		pci_disable_msi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
 * e1000_irq_disable - Mask off interrupt generation on the NIC
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
static void e1000_irq_disable(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	ew32(IMC, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	synchronize_irq(adapter->pdev->irq);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
 * e1000_irq_enable - Enable default interrupt generation settings
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
static void e1000_irq_enable(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		return;
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2051
diff changeset
   328
2051
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	ew32(IMS, IMS_ENABLE_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	u16 vid = hw->mng_cookie.vlan_id;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	u16 old_vid = adapter->mng_vlan_id;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	if (adapter->vlgrp) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
			if (hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
				e1000_vlan_rx_add_vid(netdev, vid);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
				adapter->mng_vlan_id = vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
			} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
					(vid != old_vid) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
				e1000_vlan_rx_kill_vid(netdev, old_vid);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			adapter->mng_vlan_id = vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
 * e1000_release_hw_control - release control of the h/w to f/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
 * For ASF and Pass Through versions of f/w this means that the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
 * driver is no longer loaded. For AMT version (only with 82573) i
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
 * of the f/w this means that the network i/f is closed.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
static void e1000_release_hw_control(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
	u32 ctrl_ext;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	u32 swsm;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
	/* Let firmware taken over control of h/w */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		swsm = er32(SWSM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
 * e1000_get_hw_control - get control of the h/w from f/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
 * For ASF and Pass Through versions of f/w this means that
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 * the driver is loaded. For AMT version (only with 82573)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 * of the f/w this means that the network i/f is open.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
static void e1000_get_hw_control(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	u32 ctrl_ext;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	u32 swsm;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	/* Let firmware know the driver has taken over */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
		swsm = er32(SWSM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
static void e1000_init_manageability(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	if (adapter->en_mng_pt) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
		u32 manc = er32(MANC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
		/* disable hardware interception of ARP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		manc &= ~(E1000_MANC_ARP_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		/* enable receiving management packets to the host */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		/* this will probably generate destination unreachable messages
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		 * from the host OS, but the packets will be handled on SMBUS */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
		if (hw->has_manc2h) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
			u32 manc2h = er32(MANC2H);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
			manc |= E1000_MANC_EN_MNG2HOST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
#define E1000_MNG2HOST_PORT_623 (1 << 5)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
#define E1000_MNG2HOST_PORT_664 (1 << 6)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
			manc2h |= E1000_MNG2HOST_PORT_623;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
			manc2h |= E1000_MNG2HOST_PORT_664;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
			ew32(MANC2H, manc2h);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		ew32(MANC, manc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
static void e1000_release_manageability(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	if (adapter->en_mng_pt) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		u32 manc = er32(MANC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		/* re-enable hardware interception of ARP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		manc |= E1000_MANC_ARP_EN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		if (hw->has_manc2h)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
			manc &= ~E1000_MANC_EN_MNG2HOST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		/* don't explicitly have to mess with MANC2H since
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		 * MANC has an enable disable that gates MANC2H */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		ew32(MANC, manc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
 * e1000_configure - configure the hardware for RX and TX
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
 * @adapter = private board structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
static void e1000_configure(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	e1000_set_rx_mode(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	e1000_restore_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	e1000_init_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	e1000_configure_tx(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	e1000_setup_rctl(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	e1000_configure_rx(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	/* call E1000_DESC_UNUSED which always leaves
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	 * at least 1 descriptor unused to make sure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	 * next_to_use != next_to_clean */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	for (i = 0; i < adapter->num_rx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
			/* fill rx ring completely! */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
			adapter->alloc_rx_buf(adapter, ring, ring->count);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
            /* this one leaves the last ring element unallocated! */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
			adapter->alloc_rx_buf(adapter, ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
					E1000_DESC_UNUSED(ring));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	adapter->tx_queue_len = netdev->tx_queue_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
int e1000_up(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	/* hardware has been reset, we need to reload some things */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	e1000_configure(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	clear_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		napi_enable(&adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		/* fire a link change interrupt to start the watchdog */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		ew32(ICS, E1000_ICS_LSC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
 * e1000_power_up_phy - restore link in case the phy was powered down
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
 * The phy may be powered down to save power and turn off link when the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
 * driver is unloaded and wake on lan is not enabled (among others)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 * *** this routine MUST be followed by a call to e1000_reset ***
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
void e1000_power_up_phy(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	u16 mii_reg = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	/* Just clear the power down bit to wake the phy back up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		/* according to the manual, the phy will retain its
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		 * settings across a power-down/up cycle */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		mii_reg &= ~MII_CR_POWER_DOWN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
static void e1000_power_down_phy(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	/* Power down the PHY so no link is implied when interface is down *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	 * The PHY cannot be powered down if any of the following is true *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	 * (a) WoL is enabled
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	 * (b) AMT is active
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	 * (c) SoL/IDER session is active */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	   hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		u16 mii_reg = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		case e1000_82540:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		case e1000_82545:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		case e1000_82545_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		case e1000_82546:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
		case e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		case e1000_82541:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		case e1000_82541_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		case e1000_82547:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		case e1000_82547_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
				goto out;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
		case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
			if (e1000_check_mng_mode(hw) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
			    e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
				goto out;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
			goto out;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		mii_reg |= MII_CR_POWER_DOWN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		mdelay(1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
out:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
void e1000_down(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	/* signal that we're down so the interrupt handler does not
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	 * reschedule our watchdog timer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	set_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		napi_disable(&adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		del_timer_sync(&adapter->tx_fifo_stall_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		del_timer_sync(&adapter->watchdog_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		del_timer_sync(&adapter->phy_info_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	netdev->tx_queue_len = adapter->tx_queue_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	adapter->link_speed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	adapter->link_duplex = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
 	if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		netif_carrier_off(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	e1000_clean_all_tx_rings(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	e1000_clean_all_rx_rings(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
void e1000_reinit_locked(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	WARN_ON(in_interrupt());
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		msleep(1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	e1000_up(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	clear_bit(__E1000_RESETTING, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
void e1000_reset(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	bool legacy_pba_adjust = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	/* Repartition Pba for greater than 9k mtu
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	 * To take effect CTRL.RST is required.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	case e1000_82542_rev2_0:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	case e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	case e1000_82543:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	case e1000_82544:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	case e1000_82540:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	case e1000_82541:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	case e1000_82541_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		legacy_pba_adjust = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		pba = E1000_PBA_48K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	case e1000_82545:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	case e1000_82545_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	case e1000_82546:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	case e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		pba = E1000_PBA_48K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	case e1000_82547:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	case e1000_82547_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		legacy_pba_adjust = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		pba = E1000_PBA_30K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		pba = E1000_PBA_38K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		pba = E1000_PBA_20K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		pba = E1000_PBA_8K;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	case e1000_undefined:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	case e1000_num_macs:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	if (legacy_pba_adjust) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
			pba -= 8; /* allocate more FIFO for Tx */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		if (hw->mac_type == e1000_82547) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
			adapter->tx_fifo_head = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
			adapter->tx_fifo_size =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
			atomic_set(&adapter->tx_fifo_stall, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		/* adjust PBA for jumbo frames */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		ew32(PBA, pba);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		/* To maintain wire speed transmits, the Tx FIFO should be
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		 * large enough to accomodate two full transmit packets,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		 * the Rx FIFO should be large enough to accomodate at least
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		 * one full receive packet and is similarly rounded up and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
		 * expressed in KB. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
		pba = er32(PBA);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		/* upper 16 bits has Tx packet buffer allocation size in KB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
		tx_space = pba >> 16;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		/* lower 16 bits has Rx packet buffer allocation size in KB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		pba &= 0xffff;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
		/* don't include ethernet FCS because hardware appends/strips */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
		               VLAN_TAG_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
		min_tx_space = min_rx_space;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		min_tx_space *= 2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		min_tx_space = ALIGN(min_tx_space, 1024);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		min_tx_space >>= 10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		min_rx_space = ALIGN(min_rx_space, 1024);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		min_rx_space >>= 10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
		/* If current Tx allocation is less than the min Tx FIFO size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		 * and the min Tx FIFO size is less than the current Rx FIFO
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		 * allocation, take space away from current Rx allocation */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		if (tx_space < min_tx_space &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		    ((min_tx_space - tx_space) < pba)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
			pba = pba - (min_tx_space - tx_space);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
			/* PCI/PCIx hardware has PBA alignment constraints */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
			switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
			case e1000_82545 ... e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
				pba &= ~(E1000_PBA_8K - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
			default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
			/* if short on rx space, rx wins and must trump tx
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
			 * adjustment or use Early Receive if available */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
			if (pba < min_rx_space) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
				switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
				case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
					/* ERT enabled in e1000_configure_rx */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
				default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
					pba = min_rx_space;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	ew32(PBA, pba);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	/* flow control settings */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	/* Set the FC high water mark to 90% of the FIFO size.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	 * Required to clear last 3 LSB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	/* We can't use 90% on small FIFOs because the remainder
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	 * would be less than 1 full frame.  In this case, we size
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	 * it to allow at least a full frame above the high water
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	 *  mark. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	if (pba < E1000_PBA_16K)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		fc_high_water_mark = (pba * 1024) - 1600;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	hw->fc_high_water = fc_high_water_mark;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	hw->fc_low_water = fc_high_water_mark - 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	if (hw->mac_type == e1000_80003es2lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		hw->fc_pause_time = 0xFFFF;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	hw->fc_send_xon = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	hw->fc = hw->original_fc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	/* Allow time for pending master requests to run */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	e1000_reset_hw(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	if (hw->mac_type >= e1000_82544)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		ew32(WUC, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	if (e1000_init_hw(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		DPRINTK(PROBE, ERR, "Hardware Error\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	if (hw->mac_type >= e1000_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	    hw->mac_type <= e1000_82547_rev_2 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	    hw->autoneg == 1 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		u32 ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		/* clear phy power management bit if we are in gig only mode,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		 * which if enabled will attempt negotiation to 100Mb, which
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		 * can cause a loss of link at power off or driver unload */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		ctrl &= ~E1000_CTRL_SWDPIN3;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	e1000_reset_adaptive(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	e1000_phy_get_info(hw, &adapter->phy_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	if (!adapter->smart_power_down &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	    (hw->mac_type == e1000_82571 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	     hw->mac_type == e1000_82572)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		u16 phy_data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		/* speed up time to link by disabling smart power down, ignore
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		 * the return value of this function because there is nothing
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		 * different we would do if it failed */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		                   &phy_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		phy_data &= ~IGP02E1000_PM_SPD;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		                    phy_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	e1000_release_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
 *  Dump the eeprom for users having checksum issues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	struct ethtool_eeprom eeprom;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	const struct ethtool_ops *ops = netdev->ethtool_ops;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	u8 *data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	u16 csum_old, csum_new = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	eeprom.len = ops->get_eeprom_len(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	eeprom.offset = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	data = kmalloc(eeprom.len, GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	if (!data) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		       " data\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	ops->get_eeprom(netdev, &eeprom, data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		csum_new += data[i] + (data[i + 1] << 8);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	csum_new = EEPROM_SUM - csum_new;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	printk(KERN_ERR "/*********************/\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	printk(KERN_ERR "Offset    Values\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	printk(KERN_ERR "========  ======\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	printk(KERN_ERR "Include this output when contacting your support "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	       "provider.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	printk(KERN_ERR "This is not a software error! Something bad "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	       "happened to your hardware or\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	printk(KERN_ERR "EEPROM image. Ignoring this "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	       "problem could result in further problems,\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	       "which is invalid\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	printk(KERN_ERR "and requires you to set the proper MAC "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	       "address manually before continuing\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	printk(KERN_ERR "to enable this network device.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	       "to your hardware vendor\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	printk(KERN_ERR "or Intel Customer Support.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	printk(KERN_ERR "/*********************/\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	kfree(data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
 * @pdev: PCI device information struct
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
 * Return true if an adapter needs ioport resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
static int e1000_is_need_ioport(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	switch (pdev->device) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	case E1000_DEV_ID_82540EM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	case E1000_DEV_ID_82540EM_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	case E1000_DEV_ID_82540EP:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	case E1000_DEV_ID_82540EP_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	case E1000_DEV_ID_82540EP_LP:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	case E1000_DEV_ID_82541EI:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	case E1000_DEV_ID_82541EI_MOBILE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	case E1000_DEV_ID_82541ER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	case E1000_DEV_ID_82541ER_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	case E1000_DEV_ID_82541GI:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	case E1000_DEV_ID_82541GI_LF:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	case E1000_DEV_ID_82541GI_MOBILE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	case E1000_DEV_ID_82544EI_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	case E1000_DEV_ID_82544EI_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	case E1000_DEV_ID_82544GC_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	case E1000_DEV_ID_82544GC_LOM:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	case E1000_DEV_ID_82545EM_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	case E1000_DEV_ID_82545EM_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	case E1000_DEV_ID_82546EB_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	case E1000_DEV_ID_82546EB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		return false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
 * e1000_probe - Device Initialization Routine
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
 * @pdev: PCI device information struct
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
 * @ent: entry in e1000_pci_tbl
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
 * e1000_probe initializes an adapter identified by a pci_dev structure.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 * The OS initialization, configuring of the adapter private structure,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 * and a hardware reset occur.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
static int __devinit e1000_probe(struct pci_dev *pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
				 const struct pci_device_id *ent)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	struct net_device *netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	struct e1000_adapter *adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	struct e1000_hw *hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	static int cards_found = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	int i, err, pci_using_dac;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	u16 eeprom_data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	int bars, need_ioport;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	DECLARE_MAC_BUF(mac);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	/* do not allocate ioport bars when not needed */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	need_ioport = e1000_is_need_ioport(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	if (need_ioport) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		err = pci_enable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		err = pci_enable_device_mem(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	    !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		pci_using_dac = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
			err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
			if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
				E1000_ERR("No usable DMA configuration, "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
					  "aborting\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
				goto err_dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		pci_using_dac = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		goto err_pci_reg;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	pci_set_master(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	err = -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	if (!netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		goto err_alloc_etherdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	SET_NETDEV_DEV(netdev, &pdev->dev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	pci_set_drvdata(pdev, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	adapter->netdev = netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	adapter->pdev = pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	adapter->msg_enable = (1 << debug) - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	adapter->bars = bars;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	adapter->need_ioport = need_ioport;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	hw->back = adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	err = -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	hw->hw_addr = ioremap(pci_resource_start(pdev, BAR_0),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
			      pci_resource_len(pdev, BAR_0));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	if (!hw->hw_addr)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		goto err_ioremap;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	if (adapter->need_ioport) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		for (i = BAR_1; i <= BAR_5; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
			if (pci_resource_len(pdev, i) == 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
				continue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				hw->io_base = pci_resource_start(pdev, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	netdev->open = &e1000_open;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	netdev->stop = &e1000_close;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	netdev->hard_start_xmit = &e1000_xmit_frame;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	netdev->get_stats = &e1000_get_stats;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	netdev->set_rx_mode = &e1000_set_rx_mode;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	netdev->set_mac_address = &e1000_set_mac;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	netdev->change_mtu = &e1000_change_mtu;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	netdev->do_ioctl = &e1000_ioctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	e1000_set_ethtool_ops(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	netdev->tx_timeout = &e1000_tx_timeout;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	netdev->watchdog_timeo = 5 * HZ;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	netdev->vlan_rx_register = e1000_vlan_rx_register;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
#ifdef CONFIG_NET_POLL_CONTROLLER
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	netdev->poll_controller = e1000_netpoll;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	adapter->bd_number = cards_found;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	/* setup the private structure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	err = e1000_sw_init(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		goto err_sw_init;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	err = -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	/* Flash BAR mapping must happen after e1000_sw_init
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	 * because it depends on mac_type */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if ((hw->mac_type == e1000_ich8lan) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		hw->flash_address =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
			ioremap(pci_resource_start(pdev, 1),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
				pci_resource_len(pdev, 1));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		if (!hw->flash_address)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
			goto err_flashmap;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	if (e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	if (hw->mac_type >= e1000_82543) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		netdev->features = NETIF_F_SG |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
				   NETIF_F_HW_CSUM |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
				   NETIF_F_HW_VLAN_TX |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
				   NETIF_F_HW_VLAN_RX |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
				   NETIF_F_HW_VLAN_FILTER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		if (hw->mac_type == e1000_ich8lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	if ((hw->mac_type >= e1000_82544) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	   (hw->mac_type != e1000_82547))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		netdev->features |= NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	if (hw->mac_type > e1000_82547_rev_2)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		netdev->features |= NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	if (pci_using_dac)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		netdev->features |= NETIF_F_HIGHDMA;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	netdev->features |= NETIF_F_LLTX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	netdev->vlan_features |= NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	netdev->vlan_features |= NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	netdev->vlan_features |= NETIF_F_HW_CSUM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	netdev->vlan_features |= NETIF_F_SG;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	/* initialize eeprom parameters */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	if (e1000_init_eeprom_params(hw)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		E1000_ERR("EEPROM initialization failed\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		goto err_eeprom;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	/* before reading the EEPROM, reset the controller to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	 * put the device in a known good starting state */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	e1000_reset_hw(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	/* make sure the EEPROM is good */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	if (e1000_validate_eeprom_checksum(hw) < 0) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		e1000_dump_eeprom(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		/*
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		 * set MAC address to all zeroes to invalidate and temporary
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		 * disable this device for the user. This blocks regular
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		 * traffic while still permitting ethtool ioctls from reaching
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		 * the hardware as well as allowing the user to run the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		 * interface after manually setting a hw addr using
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		 * `ip set address`
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		memset(hw->mac_addr, 0, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		/* copy the MAC address out of the EEPROM */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		if (e1000_read_mac_addr(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	/* don't block initalization here due to bad MAC address */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	if (!is_valid_ether_addr(netdev->perm_addr))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	e1000_get_bus_info(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	init_timer(&adapter->tx_fifo_stall_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	init_timer(&adapter->watchdog_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	adapter->watchdog_timer.function = &e1000_watchdog;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	adapter->watchdog_timer.data = (unsigned long) adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	init_timer(&adapter->phy_info_timer);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	adapter->phy_info_timer.function = &e1000_update_phy_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	adapter->phy_info_timer.data = (unsigned long)adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	e1000_check_options(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	/* Initial Wake on LAN setting
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	 * If APM wake is enabled in the EEPROM,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	 * enable the ACPI Magic Packet filter
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	case e1000_82542_rev2_0:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	case e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	case e1000_82543:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	case e1000_82544:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	case e1000_82546:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	case e1000_82546_rev_3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
			e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		/* Fall Through */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		e1000_read_eeprom(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	if (eeprom_data & eeprom_apme_mask)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		adapter->eeprom_wol |= E1000_WUFC_MAG;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	/* now that we have the eeprom settings, apply the special cases
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	 * where the eeprom may be wrong or the board simply won't support
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	 * wake on lan on a particular port */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	switch (pdev->device) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	case E1000_DEV_ID_82546GB_PCIE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		adapter->eeprom_wol = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	case E1000_DEV_ID_82546EB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	case E1000_DEV_ID_82546GB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	case E1000_DEV_ID_82571EB_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		/* Wake events only supported on port A for dual fiber
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		 * regardless of eeprom setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			adapter->eeprom_wol = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		/* if quad port adapter, disable WoL on all but port A */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		if (global_quad_port_a != 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			adapter->eeprom_wol = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			adapter->quad_port_a = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		/* Reset for multiple quad port adapters */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		if (++global_quad_port_a == 4)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			global_quad_port_a = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	/* initialize the wol settings based on the eeprom settings */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	adapter->wol = adapter->eeprom_wol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	/* print bus type/speed/width info */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		 "32-bit"));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	printk("%s\n", print_mac(mac, netdev->dev_addr));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	if (hw->bus_type == e1000_bus_type_pci_express) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
			"longer be supported by this driver in the future.\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			pdev->vendor, pdev->device);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
			"driver instead.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	/* reset the hardware with the new settings */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	/* If the controller is 82573 and f/w is AMT, do not set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	 * DRV_LOAD until the interface is up.  For all other cases,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	 * let the f/w know that the h/w is now under the control
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	 * of the driver. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	if (hw->mac_type != e1000_82573 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
	    !e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
 	// offer device to EtherCAT master module
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
 	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
 	if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
 		if (ecdev_open(adapter->ecdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
 			ecdev_withdraw(adapter->ecdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
 			goto err_register;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
 		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
 	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		/* tell the stack to leave us alone until e1000_open() is called */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
		netif_carrier_off(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
		netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		strcpy(netdev->name, "eth%d");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
		err = register_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
		if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
			goto err_register;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	cards_found++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
err_register:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
err_eeprom:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	if (!e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
		e1000_phy_hw_reset(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	if (hw->flash_address)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		iounmap(hw->flash_address);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
err_flashmap:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		dev_put(&adapter->polling_netdev[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	kfree(adapter->rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	kfree(adapter->polling_netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
err_sw_init:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	iounmap(hw->hw_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
err_ioremap:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	free_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
err_alloc_etherdev:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	pci_release_selected_regions(pdev, bars);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
err_pci_reg:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
err_dma:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
 * e1000_remove - Device Removal Routine
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
 * @pdev: PCI device information struct
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
 * e1000_remove is called by the PCI subsystem to alert the driver
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
 * that it should release a PCI device.  The could be caused by a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
 * Hot-Plug event, or because the driver is going to be removed from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
 * memory.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
static void __devexit e1000_remove(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	cancel_work_sync(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	e1000_release_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	 * would have already happened in close and is redundant. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		dev_put(&adapter->polling_netdev[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		ecdev_close(adapter->ecdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		ecdev_withdraw(adapter->ecdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		unregister_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	if (!e1000_check_phy_reset_block(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		e1000_phy_hw_reset(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	kfree(adapter->rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	kfree(adapter->polling_netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	iounmap(hw->hw_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	if (hw->flash_address)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
		iounmap(hw->flash_address);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	pci_release_selected_regions(pdev, adapter->bars);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	free_netdev(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
 * @adapter: board private structure to initialize
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
 * e1000_sw_init initializes the Adapter private data structure.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
 * Fields are initialized based on PCI device information and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
 * OS network device settings (MTU size).
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	/* PCI config space info */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	hw->vendor_id = pdev->vendor;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	hw->device_id = pdev->device;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	hw->subsystem_id = pdev->subsystem_device;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	hw->revision_id = pdev->revision;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	hw->max_frame_size = netdev->mtu +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	/* identify the MAC */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	if (e1000_set_mac_type(hw)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
		return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	case e1000_82541:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	case e1000_82547:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	case e1000_82541_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	case e1000_82547_rev_2:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
		hw->phy_init_script = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	e1000_set_media_type(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	hw->wait_autoneg_complete = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	hw->tbi_compatibility_en = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	hw->adaptive_ifs = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	/* Copper options */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		hw->mdix = AUTO_ALL_MODES;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		hw->disable_polarity_correction = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		hw->master_slave = E1000_MASTER_SLAVE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	adapter->num_tx_queues = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	adapter->num_rx_queues = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	if (e1000_alloc_queues(adapter)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	for (i = 0; i < adapter->num_rx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		adapter->polling_netdev[i].priv = adapter;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		dev_hold(&adapter->polling_netdev[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	spin_lock_init(&adapter->tx_queue_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	/* Explicitly disable IRQ since the NIC can be in any state. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	spin_lock_init(&adapter->stats_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	set_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
 * e1000_alloc_queues - Allocate memory for all rings
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
 * @adapter: board private structure to initialize
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 * We allocate one ring per queue at run-time since we don't know the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
 * number of queues at compile-time.  The polling_netdev array is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
 * intended for Multiqueue, but should work fine with a single queue.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	if (!adapter->tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	if (!adapter->rx_ring) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	                                  sizeof(struct net_device),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	                                  GFP_KERNEL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	if (!adapter->polling_netdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		kfree(adapter->tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		kfree(adapter->rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
 * e1000_open - Called when a network interface is made active
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
 * Returns 0 on success, negative value on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
 * The open entry point is called when a network interface is made
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
 * active by the system (IFF_UP).  At this point all resources needed
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
 * for transmit and receive operations are allocated, the interrupt
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
 * handler is registered with the OS, the watchdog timer is started,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
 * and the stack is notified that the interface is ready.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
static int e1000_open(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	/* disallow open during test */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	if (test_bit(__E1000_TESTING, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	/* allocate transmit descriptors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	err = e1000_setup_all_tx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		goto err_setup_tx;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	/* allocate receive descriptors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	err = e1000_setup_all_rx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		goto err_setup_rx;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	e1000_power_up_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	/* If AMT is enabled, let the firmware know that the network
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	 * interface is now open */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	if (hw->mac_type == e1000_82573 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	    e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	/* before we allocate an interrupt, we must be ready to handle it.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	 * as soon as we call pci_request_irq, so we have to setup our
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	 * clean_rx handler before we do so.  */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	e1000_configure(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	err = e1000_request_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
		goto err_req_irq;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	/* From here on the code is the same as e1000_up() */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	clear_bit(__E1000_DOWN, &adapter->flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
2469
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1532
	if (!adapter->ecdev) {
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1533
		napi_enable(&adapter->napi);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1534
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1535
		e1000_irq_enable(adapter);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1536
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1537
		netif_start_queue(netdev);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1538
	}
2051
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	/* fire a link status change interrupt to start the watchdog */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	ew32(ICS, E1000_ICS_LSC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
err_req_irq:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	e1000_power_down_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	e1000_free_all_rx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
err_setup_rx:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	e1000_free_all_tx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
err_setup_tx:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
 * e1000_close - Disables a network interface
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
 * Returns 0, this is not allowed to fail
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
 * The close entry point is called when an interface is de-activated
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
 * by the OS.  The hardware is still under the drivers control, but
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
 * needs to be disabled.  A global MAC reset is issued to stop the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
 * hardware, and all transmit and receive resources are freed.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
static int e1000_close(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	e1000_power_down_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	e1000_free_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	e1000_free_all_tx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	e1000_free_all_rx_resources(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	/* kill manageability vlan ID if supported, but not if a vlan with
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	 * the same ID is registered on the host OS (let 8021q kill it) */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	     !(adapter->vlgrp &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	/* If AMT is enabled, let the firmware know that the network
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	 * interface is now closed */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	if (hw->mac_type == e1000_82573 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	    e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
 * @start: address of beginning of memory
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
 * @len: length of memory
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
				  unsigned long len)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	unsigned long begin = (unsigned long)start;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	unsigned long end = begin + len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	/* First rev 82545 and 82546 need to not allow any memory
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	 * write location to cross 64k boundary due to errata 23 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	if (hw->mac_type == e1000_82545 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	    hw->mac_type == e1000_82546) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
 * @txdr:    tx descriptor ring (for a specific queue) to setup
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
 * Return 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
				    struct e1000_tx_ring *txdr)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
	int size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	size = sizeof(struct e1000_buffer) * txdr->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	txdr->buffer_info = vmalloc(size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	if (!txdr->buffer_info) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		"Unable to allocate memory for the transmit descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	memset(txdr->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	/* round up to nearest 4K */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	txdr->size = ALIGN(txdr->size, 4096);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	if (!txdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
setup_tx_desc_die:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		vfree(txdr->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		"Unable to allocate memory for the transmit descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		void *olddesc = txdr->desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		dma_addr_t olddma = txdr->dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
				     "at %p\n", txdr->size, txdr->desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		/* Try again, without freeing the previous */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		/* Failed allocation, critical failure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		if (!txdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			goto setup_tx_desc_die;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
			/* give up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
			pci_free_consistent(pdev, txdr->size, txdr->desc,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
					    txdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
				"Unable to allocate aligned memory "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
				"for the transmit descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			vfree(txdr->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
			return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
			/* Free old allocation, new allocation was successful */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	memset(txdr->desc, 0, txdr->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	txdr->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	txdr->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	spin_lock_init(&txdr->tx_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
 * 				  (Descriptors) for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
 * Return 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	int i, err = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	for (i = 0; i < adapter->num_tx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
				"Allocation for Tx Queue %u failed\n", i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
			for (i-- ; i >= 0; i--)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
				e1000_free_tx_resources(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
							&adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
 * Configure the Tx unit of the MAC after a reset.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
static void e1000_configure_tx(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	u64 tdba;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	u32 tdlen, tctl, tipg, tarc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	u32 ipgr1, ipgr2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	/* Setup the HW Tx Head and Tail descriptor pointers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	switch (adapter->num_tx_queues) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	case 1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		tdba = adapter->tx_ring[0].dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		tdlen = adapter->tx_ring[0].count *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
			sizeof(struct e1000_tx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		ew32(TDLEN, tdlen);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		ew32(TDBAH, (tdba >> 32));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		ew32(TDT, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		ew32(TDH, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	/* Set the default values for the Tx Inter Packet Gap timer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	if (hw->mac_type <= e1000_82547_rev_2 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	    (hw->media_type == e1000_media_type_fiber ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	     hw->media_type == e1000_media_type_internal_serdes))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	case e1000_82542_rev2_0:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	case e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		tipg = DEFAULT_82542_TIPG_IPGT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	ew32(TIPG, tipg);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	/* Set the Tx Interrupt Delay register */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	ew32(TIDV, adapter->tx_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	if (hw->mac_type >= e1000_82540)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		ew32(TADV, adapter->tx_abs_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	/* Program the Transmit Control Register */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	tctl = er32(TCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	tctl &= ~E1000_TCTL_CT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		tarc = er32(TARC0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		/* set the speed mode bit, we'll clear it if we're not at
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		 * gigabit link later */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		tarc |= (1 << 21);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		ew32(TARC0, tarc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	} else if (hw->mac_type == e1000_80003es2lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		tarc = er32(TARC0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		tarc |= 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		ew32(TARC0, tarc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		tarc = er32(TARC1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		tarc |= 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
		ew32(TARC1, tarc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	e1000_config_collision_dist(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	/* Setup Transmit Descriptor Settings for eop descriptor */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	/* only set IDE if we are delaying interrupts using the timers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	if (adapter->tx_int_delay)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	if (hw->mac_type < e1000_82543)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	/* Cache if we're 82544 running in PCI-X because we'll
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	 * need this to apply a workaround later in the send path. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	if (hw->mac_type == e1000_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	    hw->bus_type == e1000_bus_type_pcix)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		adapter->pcix_82544 = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	ew32(TCTL, tctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
				    struct e1000_rx_ring *rxdr)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	int size, desc_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	size = sizeof(struct e1000_buffer) * rxdr->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	rxdr->buffer_info = vmalloc(size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	if (!rxdr->buffer_info) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		"Unable to allocate memory for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	memset(rxdr->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	if (hw->mac_type <= e1000_82547_rev_2)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		desc_len = sizeof(struct e1000_rx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		desc_len = sizeof(union e1000_rx_desc_packet_split);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	/* Round up to nearest 4K */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	rxdr->size = rxdr->count * desc_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	rxdr->size = ALIGN(rxdr->size, 4096);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	if (!rxdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		"Unable to allocate memory for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
setup_rx_desc_die:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		vfree(rxdr->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		return -ENOMEM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		void *olddesc = rxdr->desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		dma_addr_t olddma = rxdr->dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
				     "at %p\n", rxdr->size, rxdr->desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		/* Try again, without freeing the previous */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		/* Failed allocation, critical failure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		if (!rxdr->desc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
				"Unable to allocate memory "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
				"for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
			goto setup_rx_desc_die;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
			/* give up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
					    rxdr->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
				"Unable to allocate aligned memory "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
				"for the receive descriptor ring\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
			goto setup_rx_desc_die;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
			/* Free old allocation, new allocation was successful */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	memset(rxdr->desc, 0, rxdr->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	rxdr->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	rxdr->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
 * 				  (Descriptors) for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
 * Return 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	int i, err = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	for (i = 0; i < adapter->num_rx_queues; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
			DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
				"Allocation for Rx Queue %u failed\n", i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
			for (i-- ; i >= 0; i--)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
				e1000_free_rx_resources(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
							&adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
 * e1000_setup_rctl - configure the receive control registers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
 * @adapter: Board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
static void e1000_setup_rctl(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	if (hw->tbi_compatibility_on == 1)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		rctl |= E1000_RCTL_SBP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		rctl &= ~E1000_RCTL_SBP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		rctl &= ~E1000_RCTL_LPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		rctl |= E1000_RCTL_LPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	/* Setup buffer sizes */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	rctl &= ~E1000_RCTL_SZ_4096;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	rctl |= E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	switch (adapter->rx_buffer_len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		case E1000_RXBUFFER_256:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
			rctl |= E1000_RCTL_SZ_256;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		case E1000_RXBUFFER_512:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
			rctl |= E1000_RCTL_SZ_512;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		case E1000_RXBUFFER_1024:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
			rctl |= E1000_RCTL_SZ_1024;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		case E1000_RXBUFFER_2048:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
		default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
			rctl |= E1000_RCTL_SZ_2048;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			rctl &= ~E1000_RCTL_BSEX;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		case E1000_RXBUFFER_4096:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
			rctl |= E1000_RCTL_SZ_4096;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		case E1000_RXBUFFER_8192:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
			rctl |= E1000_RCTL_SZ_8192;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		case E1000_RXBUFFER_16384:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
			rctl |= E1000_RCTL_SZ_16384;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
 * Configure the Rx unit of the MAC after a reset.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
static void e1000_configure_rx(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	u64 rdba;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	u32 rdlen, rctl, rxcsum, ctrl_ext;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	rdlen = adapter->rx_ring[0].count *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		sizeof(struct e1000_rx_desc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	adapter->clean_rx = e1000_clean_rx_irq;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	/* disable receives while setting up the descriptors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	/* set the Receive Delay Timer Register */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	ew32(RDTR, adapter->rx_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	if (hw->mac_type >= e1000_82540) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		ew32(RADV, adapter->rx_abs_int_delay);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		if (adapter->itr_setting != 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			ew32(ITR, 1000000000 / (adapter->itr * 256));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	if (hw->mac_type >= e1000_82571) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
		/* Reset delay timers after every interrupt */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		/* Auto-Mask interrupts upon ICR access */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
		ctrl_ext |= E1000_CTRL_EXT_IAME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		ew32(IAM, 0xffffffff);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		ew32(CTRL_EXT, ctrl_ext);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
		E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	 * the Base and Length of the Rx Descriptor Ring */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	switch (adapter->num_rx_queues) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	case 1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		rdba = adapter->rx_ring[0].dma;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		ew32(RDLEN, rdlen);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		ew32(RDBAH, (rdba >> 32));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		ew32(RDT, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		ew32(RDH, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	if (hw->mac_type >= e1000_82543) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
		rxcsum = er32(RXCSUM);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
		if (adapter->rx_csum)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
			rxcsum |= E1000_RXCSUM_TUOFL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
		else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
			/* don't need to clear IPPCSE as it defaults to 0 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
			rxcsum &= ~E1000_RXCSUM_TUOFL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
		ew32(RXCSUM, rxcsum);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	/* Enable Receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * e1000_free_tx_resources - Free Tx Resources per Queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 * @tx_ring: Tx descriptor ring for a specific queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
 * Free all transmit software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
				    struct e1000_tx_ring *tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	e1000_clean_tx_ring(adapter, tx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	vfree(tx_ring->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	tx_ring->buffer_info = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	tx_ring->desc = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
 * Free all transmit software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	for (i = 0; i < adapter->num_tx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
					     struct e1000_buffer *buffer_info)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	if (buffer_info->dma) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		pci_unmap_page(adapter->pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
				buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
				buffer_info->length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
				PCI_DMA_TODEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
		buffer_info->dma = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	if (buffer_info->skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		dev_kfree_skb_any(buffer_info->skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	/* buffer_info must be completely set up in the transmit path */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
 * e1000_clean_tx_ring - Free Tx Buffers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 * @tx_ring: ring to be cleaned
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
				struct e1000_tx_ring *tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	unsigned long size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	/* Free all the Tx ring sk_buffs */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	for (i = 0; i < tx_ring->count; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	size = sizeof(struct e1000_buffer) * tx_ring->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	memset(tx_ring->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	/* Zero out the descriptor ring */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	memset(tx_ring->desc, 0, tx_ring->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	tx_ring->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	tx_ring->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	tx_ring->last_tx_tso = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	writel(0, hw->hw_addr + tx_ring->tdh);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	writel(0, hw->hw_addr + tx_ring->tdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	for (i = 0; i < adapter->num_tx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
 * e1000_free_rx_resources - Free Rx Resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 * @rx_ring: ring to clean the resources from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
 * Free all receive software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
				    struct e1000_rx_ring *rx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	e1000_clean_rx_ring(adapter, rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	vfree(rx_ring->buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	rx_ring->buffer_info = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	rx_ring->desc = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
 * Free all receive software resources
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
 * @rx_ring: ring to free buffers from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
				struct e1000_rx_ring *rx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	unsigned long size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	/* Free all the Rx ring sk_buffs */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	for (i = 0; i < rx_ring->count; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
		if (buffer_info->skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
			pci_unmap_single(pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
					 buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
					 buffer_info->length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
					 PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			dev_kfree_skb(buffer_info->skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
			buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	size = sizeof(struct e1000_buffer) * rx_ring->count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	memset(rx_ring->buffer_info, 0, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	/* Zero out the descriptor ring */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	memset(rx_ring->desc, 0, rx_ring->size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	rx_ring->next_to_clean = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	rx_ring->next_to_use = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	writel(0, hw->hw_addr + rx_ring->rdh);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	writel(0, hw->hw_addr + rx_ring->rdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	for (i = 0; i < adapter->num_rx_queues; i++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 * and memory write and invalidate disabled for certain operations
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	e1000_pci_clear_mwi(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	rctl |= E1000_RCTL_RST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	mdelay(5);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	if (!adapter->ecdev && netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		e1000_clean_all_rx_rings(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	rctl &= ~E1000_RCTL_RST;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	mdelay(5);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
		e1000_pci_set_mwi(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	if (!adapter->netdev && netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		/* No need to loop, because 82542 supports only 1 queue */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		e1000_configure_rx(adapter);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2051
diff changeset
  2325
		if (adapter->ecdev) {
2051
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			/* fill rx ring completely! */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
			adapter->alloc_rx_buf(adapter, ring, ring->count);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
            /* this one leaves the last ring element unallocated! */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
 * e1000_set_mac - Change the Ethernet Address of the NIC
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
 * @p: pointer to an address structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
static int e1000_set_mac(struct net_device *netdev, void *p)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	struct sockaddr *addr = p;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	if (!is_valid_ether_addr(addr->sa_data))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		return -EADDRNOTAVAIL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	/* 82542 2.0 needs to be in reset to write receive address registers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		e1000_enter_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	e1000_rar_set(hw, hw->mac_addr, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	/* With 82571 controllers, LAA may be overwritten (with the default)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	 * due to controller reset from the other port. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	if (hw->mac_type == e1000_82571) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		/* activate the work around */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		hw->laa_is_present = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		/* Hold a copy of the LAA in RAR[14] This is done so that
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		 * between the time RAR[0] gets clobbered  and the time it
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
		 * of the RARs and no incoming packets directed to this port
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
		 * are dropped. Eventaully the LAA will be in RAR[0] and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		 * RAR[14] */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		e1000_rar_set(hw, hw->mac_addr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
					E1000_RAR_ENTRIES - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		e1000_leave_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
 * The set_rx_mode entry point is called whenever the unicast or multicast
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
 * address lists or the network interface flags are updated. This routine is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
 * responsible for configuring the hardware for proper unicast, multicast,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
 * promiscuous mode, and all-multi behavior.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
static void e1000_set_rx_mode(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	struct dev_addr_list *uc_ptr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
	struct dev_addr_list *mc_ptr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	u32 rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	u32 hash_value;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	int i, rar_entries = E1000_RAR_ENTRIES;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
				E1000_NUM_MTA_REGISTERS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	if (hw->mac_type == e1000_ich8lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	/* reserve RAR[14] for LAA over-write work-around */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	if (hw->mac_type == e1000_82571)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
		rar_entries--;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	/* Check for Promiscuous and All Multicast modes */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	if (netdev->flags & IFF_PROMISC) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		rctl &= ~E1000_RCTL_VFE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		if (netdev->flags & IFF_ALLMULTI) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
			rctl |= E1000_RCTL_MPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
			rctl &= ~E1000_RCTL_MPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		if (adapter->hw.mac_type != e1000_ich8lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
			rctl |= E1000_RCTL_VFE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	uc_ptr = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	if (netdev->uc_count > rar_entries - 1) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		rctl |= E1000_RCTL_UPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	} else if (!(netdev->flags & IFF_PROMISC)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		rctl &= ~E1000_RCTL_UPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		uc_ptr = netdev->uc_list;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	/* 82542 2.0 needs to be in reset to write receive address registers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		e1000_enter_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	/* load the first 14 addresses into the exact filters 1-14. Unicast
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	 * addresses take precedence to avoid disabling unicast filtering
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	 * when possible.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	 * RAR 0 is used for the station MAC adddress
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	 * if there are not 14 addresses, go ahead and clear the filters
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	 * -- with 82571 controllers only 0-13 entries are filled here
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	mc_ptr = netdev->mc_list;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	for (i = 1; i < rar_entries; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		if (uc_ptr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
			e1000_rar_set(hw, uc_ptr->da_addr, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
			uc_ptr = uc_ptr->next;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		} else if (mc_ptr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
			e1000_rar_set(hw, mc_ptr->da_addr, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
			mc_ptr = mc_ptr->next;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	WARN_ON(uc_ptr != NULL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	/* clear the old settings from the multicast hash table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	for (i = 0; i < mta_reg_count; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	/* load any remaining addresses into the hash table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		e1000_mta_set(hw, hash_value);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	if (hw->mac_type == e1000_82542_rev2_0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
		e1000_leave_82542_rst(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
/* Need to wait a few seconds after link up to get diagnostic information from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
 * the phy */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
static void e1000_update_phy_info(unsigned long data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	e1000_phy_get_info(hw, &adapter->phy_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
 * e1000_82547_tx_fifo_stall - Timer Call-back
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
 * @data: pointer to adapter cast into an unsigned long
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
static void e1000_82547_tx_fifo_stall(unsigned long data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	u32 tctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	if (atomic_read(&adapter->tx_fifo_stall)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		if ((er32(TDT) == er32(TDH)) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
		   (er32(TDFT) == er32(TDFH)) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		   (er32(TDFTS) == er32(TDFHS))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
			tctl = er32(TCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			ew32(TDFT, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
			ew32(TDFH, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			ew32(TDFTS, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			ew32(TDFHS, adapter->tx_head_addr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			ew32(TCTL, tctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			adapter->tx_fifo_head = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			atomic_set(&adapter->tx_fifo_stall, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			if (!adapter->ecdev) netif_wake_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			if (!adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
 * e1000_watchdog - Timer Call-back
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
 * @data: pointer to adapter cast into an unsigned long
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
static void e1000_watchdog(unsigned long data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	struct e1000_tx_ring *txdr = adapter->tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	u32 link, tctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	s32 ret_val;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	ret_val = e1000_check_for_link(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	if ((ret_val == E1000_ERR_PHY) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	    (hw->phy_type == e1000_phy_igp_3) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		/* See e1000_kumeran_lock_loss_workaround() */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		DPRINTK(LINK, INFO,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			"Gigabit has been disabled, downgrading speed\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	if (hw->mac_type == e1000_82573) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
		e1000_enable_tx_pkt_filtering(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	   !(er32(TXCW) & E1000_TXCW_ANE))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		link = !hw->serdes_link_down;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		link = er32(STATUS) & E1000_STATUS_LU;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	if (link) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
			u32 ctrl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
			bool txb2b = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
			e1000_get_speed_and_duplex(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			                           &adapter->link_speed,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
			                           &adapter->link_duplex);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			        "Flow Control: %s\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			        adapter->link_speed,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			        adapter->link_duplex == FULL_DUPLEX ?
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			        "Full Duplex" : "Half Duplex",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
			/* tweak tx_queue_len according to speed/duplex
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
			 * and adjust the timeout factor */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
			netdev->tx_queue_len = adapter->tx_queue_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			adapter->tx_timeout_factor = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
			switch (adapter->link_speed) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
			case SPEED_10:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
				txb2b = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
				netdev->tx_queue_len = 10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
				adapter->tx_timeout_factor = 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
			case SPEED_100:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
				txb2b = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
				netdev->tx_queue_len = 100;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
				/* maybe add some timeout factor ? */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
			if ((hw->mac_type == e1000_82571 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
			     hw->mac_type == e1000_82572) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
			    !txb2b) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
				u32 tarc0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
				tarc0 = er32(TARC0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
				tarc0 &= ~(1 << 21);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
				ew32(TARC0, tarc0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
			/* disable TSO for pcie and 10/100 speeds, to avoid
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
			 * some hardware issues */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
			if (!adapter->tso_force &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
			    hw->bus_type == e1000_bus_type_pci_express){
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
				switch (adapter->link_speed) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
				case SPEED_10:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
				case SPEED_100:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
					DPRINTK(PROBE,INFO,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
				        "10/100 speed: disabling TSO\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
					netdev->features &= ~NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
					netdev->features &= ~NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
				case SPEED_1000:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
					netdev->features |= NETIF_F_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
					netdev->features |= NETIF_F_TSO6;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
				default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
					/* oops */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
			/* enable transmits in the hardware, need to do this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			 * after setting TARC0 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			tctl = er32(TCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			tctl |= E1000_TCTL_EN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			ew32(TCTL, tctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
				ecdev_set_link(adapter->ecdev, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
				netif_carrier_on(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
				netif_wake_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			adapter->smartspeed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
			/* make sure the receive unit is started */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			if (hw->rx_needs_kicking) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
				u32 rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
				ew32(RCTL, rctl | E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			adapter->link_speed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
			adapter->link_duplex = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
				ecdev_set_link(adapter->ecdev, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
			} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
				netif_carrier_off(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
				netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
			/* 80003ES2LAN workaround--
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
			 * For packet buffer work-around on link down event;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
			 * disable receives in the ISR and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			 * reset device here in the watchdog
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
			 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
			if (hw->mac_type == e1000_80003es2lan)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
				/* reset device */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
				schedule_work(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		e1000_smartspeed(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	e1000_update_stats(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	adapter->tpt_old = adapter->stats.tpt;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	adapter->colc_old = adapter->stats.colc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	adapter->gorcl_old = adapter->stats.gorcl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	adapter->gotcl_old = adapter->stats.gotcl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	e1000_update_adaptive(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
			/* We've lost link, so the controller stops DMA,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
			 * but we've got queued Tx work that's never going
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
			 * to get done, so reset controller to flush Tx.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
			 * (Do the reset outside of interrupt context). */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
			adapter->tx_timeout_count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
			schedule_work(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	/* Cause software interrupt to ensure rx ring is cleaned */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	ew32(ICS, E1000_ICS_RXDMT0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	/* Force detection of hung controller every watchdog period */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	if (!adapter->ecdev) adapter->detect_tx_hung = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	/* With 82571 controllers, LAA may be overwritten due to controller
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		e1000_rar_set(hw, hw->mac_addr, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	/* Reset the timer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	if (!adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
enum latency_range {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	lowest_latency = 0,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	low_latency = 1,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	bulk_latency = 2,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	latency_invalid = 255
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
};
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
 * e1000_update_itr - update the dynamic ITR value based on statistics
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
 *      Stores a new ITR value based on packets and byte
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
 *      counts during the last interrupt.  The advantage of per interrupt
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
 *      computation is faster updates and more accurate ITR for the current
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
 *      traffic pattern.  Constants in this function were computed
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
 *      based on theoretical maximum wire speed and thresholds were set based
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
 *      on testing data as well as attempting to minimize response time
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
 *      while increasing bulk throughput.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
 *      this functionality is controlled by the InterruptThrottleRate module
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
 *      parameter (see e1000_param.c)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
 * @adapter: pointer to adapter
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
 * @itr_setting: current adapter->itr
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 * @packets: the number of packets during this measurement interval
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 * @bytes: the number of bytes during this measurement interval
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
				     u16 itr_setting, int packets, int bytes)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	unsigned int retval = itr_setting;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	if (unlikely(hw->mac_type < e1000_82540))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		goto update_itr_done;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	if (packets == 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		goto update_itr_done;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	switch (itr_setting) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	case lowest_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		/* jumbo frames get bulk treatment*/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		if (bytes/packets > 8000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
			retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		else if ((packets < 5) && (bytes > 512))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
			retval = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	case low_latency:  /* 50 usec aka 20000 ints/s */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		if (bytes > 10000) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
			/* jumbo frames need bulk latency setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
			if (bytes/packets > 8000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
				retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
			else if ((packets < 10) || ((bytes/packets) > 1200))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
				retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
			else if ((packets > 35))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
				retval = lowest_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		} else if (bytes/packets > 2000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
			retval = bulk_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		else if (packets <= 2 && bytes < 512)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
			retval = lowest_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	case bulk_latency: /* 250 usec aka 4000 ints/s */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		if (bytes > 25000) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
			if (packets > 35)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
				retval = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		} else if (bytes < 6000) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
			retval = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
update_itr_done:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	return retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
static void e1000_set_itr(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	u16 current_itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	u32 new_itr = adapter->itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	if (unlikely(hw->mac_type < e1000_82540))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	if (unlikely(adapter->link_speed != SPEED_1000)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		current_itr = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		new_itr = 4000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		goto set_itr_now;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	adapter->tx_itr = e1000_update_itr(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	                            adapter->tx_itr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	                            adapter->total_tx_packets,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	                            adapter->total_tx_bytes);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		adapter->tx_itr = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	adapter->rx_itr = e1000_update_itr(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	                            adapter->rx_itr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	                            adapter->total_rx_packets,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	                            adapter->total_rx_bytes);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		adapter->rx_itr = low_latency;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	switch (current_itr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	/* counts and packets in update_itr are dependent on these numbers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	case lowest_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		new_itr = 70000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	case low_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		new_itr = 20000; /* aka hwitr = ~200 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	case bulk_latency:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		new_itr = 4000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
set_itr_now:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	if (new_itr != adapter->itr) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		/* this attempts to bias the interrupt rate towards Bulk
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		 * by adding intermediate steps when interrupt rate is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		 * increasing */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		new_itr = new_itr > adapter->itr ?
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		             min(adapter->itr + (new_itr >> 2), new_itr) :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		             new_itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		adapter->itr = new_itr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		ew32(ITR, 1000000000 / (new_itr * 256));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
#define E1000_TX_FLAGS_CSUM		0x00000001
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
#define E1000_TX_FLAGS_VLAN		0x00000002
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
#define E1000_TX_FLAGS_TSO		0x00000004
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
#define E1000_TX_FLAGS_IPV4		0x00000008
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
#define E1000_TX_FLAGS_VLAN_SHIFT	16
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
static int e1000_tso(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	struct e1000_context_desc *context_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	u32 cmd_length = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	u16 ipcse = 0, tucse, mss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	if (skb_is_gso(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		if (skb_header_cloned(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
			if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
				return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		mss = skb_shinfo(skb)->gso_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		if (skb->protocol == htons(ETH_P_IP)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
			struct iphdr *iph = ip_hdr(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
			iph->tot_len = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			iph->check = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
								 iph->daddr, 0,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
								 IPPROTO_TCP,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
								 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
			cmd_length = E1000_TXD_CMD_IP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			ipcse = skb_transport_offset(skb) - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			ipv6_hdr(skb)->payload_len = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
			tcp_hdr(skb)->check =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
						 &ipv6_hdr(skb)->daddr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
						 0, IPPROTO_TCP, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			ipcse = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		ipcss = skb_network_offset(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		tucss = skb_transport_offset(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		tucse = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		context_desc->upper_setup.tcp_fields.tucss = tucss;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		context_desc->upper_setup.tcp_fields.tucso = tucso;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		if (++i == tx_ring->count) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		tx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	return false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
static bool e1000_tx_csum(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	struct e1000_context_desc *context_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	u8 css;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	u32 cmd_len = E1000_TXD_CMD_DEXT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	if (skb->ip_summed != CHECKSUM_PARTIAL)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		return false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	switch (skb->protocol) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	case __constant_htons(ETH_P_IP):
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
			cmd_len |= E1000_TXD_CMD_TCP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	case __constant_htons(ETH_P_IPV6):
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		/* XXX not handling all IPV6 headers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			cmd_len |= E1000_TXD_CMD_TCP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		if (unlikely(net_ratelimit()))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
			DPRINTK(DRV, WARNING,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
			        "checksum_partial proto=%x!\n", skb->protocol);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	css = skb_transport_offset(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	context_desc->lower_setup.ip_config = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	context_desc->upper_setup.tcp_fields.tucss = css;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	context_desc->upper_setup.tcp_fields.tucso =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		css + skb->csum_offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	context_desc->upper_setup.tcp_fields.tucse = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	context_desc->tcp_seg_setup.data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	tx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
	return true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
#define E1000_MAX_TXD_PWR	12
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
static int e1000_tx_map(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
			struct e1000_tx_ring *tx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
			struct sk_buff *skb, unsigned int first,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			unsigned int max_per_txd, unsigned int nr_frags,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
			unsigned int mss)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	unsigned int len = skb->len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	unsigned int offset = 0, size, count = 0, i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	unsigned int f;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	len -= skb->data_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	while (len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		size = min(len, max_per_txd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		/* Workaround for Controller erratum --
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		 * descriptor for non-tso packet in a linear SKB that follows a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		 * tso gets written back prematurely before the data is fully
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		 * DMA'd to the controller */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		if (!skb->data_len && tx_ring->last_tx_tso &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		    !skb_is_gso(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
			tx_ring->last_tx_tso = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		/* Workaround for premature desc write-backs
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		 * in TSO mode.  Append 4-byte sentinel desc */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		if (unlikely(mss && !nr_frags && size == len && size > 8))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
			size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
		/* work-around for errata 10 and it applies
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		 * to all controllers in PCI-X mode
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		 * The fix is to make sure that the first descriptor of a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		                (size > 2015) && count == 0))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		        size = 2015;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
		 * terminating buffers within evenly-aligned dwords. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		if (unlikely(adapter->pcix_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		   size > 4))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
			size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		buffer_info->length = size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		buffer_info->dma =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
			pci_map_single(adapter->pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
				skb->data + offset,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
				size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
				PCI_DMA_TODEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
		len -= size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		offset += size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	for (f = 0; f < nr_frags; f++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		struct skb_frag_struct *frag;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		frag = &skb_shinfo(skb)->frags[f];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
		len = frag->size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		offset = frag->page_offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		while (len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
			buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
			size = min(len, max_per_txd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
			/* Workaround for premature desc write-backs
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
			 * in TSO mode.  Append 4-byte sentinel desc */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
				size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			/* Workaround for potential 82544 hang in PCI-X.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
			 * Avoid terminating buffers within evenly-aligned
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
			 * dwords. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
			if (unlikely(adapter->pcix_82544 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
			   size > 4))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
				size -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
			buffer_info->length = size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
			buffer_info->dma =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
				pci_map_page(adapter->pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
					frag->page,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
					offset,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
					size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
					PCI_DMA_TODEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
			buffer_info->time_stamp = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
			buffer_info->next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
			len -= size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
			offset += size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
			count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
			if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	tx_ring->buffer_info[i].skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	tx_ring->buffer_info[first].next_to_watch = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	return count;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
static void e1000_tx_queue(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
			   struct e1000_tx_ring *tx_ring, int tx_flags,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
			   int count)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	struct e1000_tx_desc *tx_desc = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		             E1000_TXD_CMD_TSE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		txd_lower |= E1000_TXD_CMD_VLE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	i = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	while (count--) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
		tx_desc = E1000_TX_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		tx_desc->lower.data =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
			cpu_to_le32(txd_lower | buffer_info->length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		tx_desc->upper.data = cpu_to_le32(txd_upper);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	/* Force memory writes to complete before letting h/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	 * know there are new descriptors to fetch.  (Only
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	 * applicable for weak-ordered memory model archs,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	 * such as IA-64). */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	wmb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	tx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	writel(i, hw->hw_addr + tx_ring->tdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	/* we need this if more than one processor can write to our tail
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	 * at a time, it syncronizes IO on IA64/Altix systems */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	mmiowb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
 * 82547 workaround to avoid controller hang in half-duplex environment.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
 * The workaround is to avoid queuing a large packet that would span
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
 * the internal Tx FIFO ring boundary by notifying the stack to resend
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
 * to the beginning of the Tx FIFO.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
#define E1000_FIFO_HDR			0x10
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
#define E1000_82547_PAD_LEN		0x3E0
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
				       struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	if (adapter->link_duplex != HALF_DUPLEX)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
		goto no_fifo_stall_required;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	if (atomic_read(&adapter->tx_fifo_stall))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		return 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		atomic_set(&adapter->tx_fifo_stall, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		return 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
no_fifo_stall_required:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	adapter->tx_fifo_head += skb_fifo_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
#define MINIMUM_DHCP_PACKET_SIZE 282
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
				    struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	struct e1000_hw *hw =  &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	u16 length, offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	if (vlan_tx_tag_present(skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
			( hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
			return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		struct ethhdr *eth = (struct ethhdr *)skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		if ((htons(ETH_P_IP) == eth->h_proto)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
			const struct iphdr *ip =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
				(struct iphdr *)((u8 *)skb->data+14);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
			if (IPPROTO_UDP == ip->protocol) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
				struct udphdr *udp =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
					(struct udphdr *)((u8 *)ip +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
						(ip->ihl << 2));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
				if (ntohs(udp->dest) == 67) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
					offset = (u8 *)udp + 8 - skb->data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
					length = skb->len - offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
					return e1000_mng_write_dhcp_info(hw,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
							(u8 *)udp + 8,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
							length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
2471
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3239
	if (adapter->ecdev) {
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3240
		return -EBUSY;
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3241
	}
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3242
2051
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	/* Herbert's original patch had:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	 *  smp_mb__after_netif_stop_queue();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	 * but since that doesn't exist yet, just open code it. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	smp_mb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	/* We need to check again in a case another CPU has just
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	 * made room available. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	/* A reprieve! */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	netif_start_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	++adapter->restart_queue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
static int e1000_maybe_stop_tx(struct net_device *netdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
                               struct e1000_tx_ring *tx_ring, int size)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	return __e1000_maybe_stop_tx(netdev, size);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	struct e1000_tx_ring *tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	unsigned int tx_flags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	unsigned int len = skb->len - skb->data_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	unsigned long flags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	unsigned int nr_frags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	unsigned int mss = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	int count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	int tso;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	unsigned int f;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	/* This goes back to the question of how to logically map a tx queue
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	 * to a flow.  Right now, performance is impacted slightly negatively
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	 * if using multiple tx queues.  If the stack breaks away from a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	 * single qdisc implementation, we can look at this again. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	tx_ring = adapter->tx_ring;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	if (unlikely(skb->len <= 0)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		if (!adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
			dev_kfree_skb_any(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	/* 82571 and newer doesn't need the workaround that limited descriptor
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	 * length to 4kB */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	if (hw->mac_type >= e1000_82571)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
		max_per_txd = 8192;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	mss = skb_shinfo(skb)->gso_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	/* The controller does a simple calculation to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	 * make sure there is enough room in the FIFO before
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	 * initiating the DMA for each buffer.  The calc is:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	 * 4 = ceil(buffer len/mss).  To make sure we don't
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	 * overrun the FIFO, adjust the max buffer len if mss
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	 * drops. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	if (mss) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		u8 hdr_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		max_per_txd = min(mss << 2, max_per_txd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		max_txd_pwr = fls(max_per_txd) - 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		* points to just header, pull a few bytes of payload from
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
		* frags into skb->data */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
		if (skb->data_len && hdr_len == len) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
			switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
				unsigned int pull_size;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
			case e1000_82544:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
				/* Make sure we have room to chop off 4 bytes,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
				 * and that the end alignment will work out to
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
				 * this hardware's requirements
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
				 * NOTE: this is a TSO only workaround
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
				 * if end byte alignment not correct move us
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
				 * into the next dword */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
				/* fall through */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
			case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
			case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
			case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
			case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
				pull_size = min((unsigned int)4, skb->data_len);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
				if (!__pskb_pull_tail(skb, pull_size)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
					DPRINTK(DRV, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
						"__pskb_pull_tail failed.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
					dev_kfree_skb_any(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
					return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
				len = skb->len - skb->data_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
			default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
				/* do nothing */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	/* reserve a descriptor for the offload context */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	/* Controller Erratum workaround */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	count += TXD_USE_COUNT(len, max_txd_pwr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	if (adapter->pcix_82544)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	/* work-around for errata 10 and it applies to all controllers
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	 * in PCI-X mode, so add one more descriptor to the count
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
			(len > 2015)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	nr_frags = skb_shinfo(skb)->nr_frags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	for (f = 0; f < nr_frags; f++)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
				       max_txd_pwr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	if (adapter->pcix_82544)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		count += nr_frags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	if (hw->tx_pkt_filtering &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	    (hw->mac_type == e1000_82573))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		e1000_transfer_dhcp_info(adapter, skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
 	if (!adapter->ecdev &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
 			!spin_trylock_irqsave(&tx_ring->tx_lock, flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		/* Collision - tell upper layer to requeue */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		return NETDEV_TX_LOCKED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	/* need: count + 2 desc gap to keep tail from touching
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	 * head, otherwise try next time */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		return NETDEV_TX_BUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	if (unlikely(hw->mac_type == e1000_82547)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
			if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
				netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
				spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
			return NETDEV_TX_BUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		tx_flags |= E1000_TX_FLAGS_VLAN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	first = tx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	tso = e1000_tso(adapter, tx_ring, skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	if (tso < 0) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
			dev_kfree_skb_any(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	if (likely(tso)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		tx_ring->last_tx_tso = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
		tx_flags |= E1000_TX_FLAGS_TSO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
		tx_flags |= E1000_TX_FLAGS_CSUM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	 * no longer assume, we must. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	if (likely(skb->protocol == htons(ETH_P_IP)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		tx_flags |= E1000_TX_FLAGS_IPV4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	e1000_tx_queue(adapter, tx_ring, tx_flags,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	               e1000_tx_map(adapter, tx_ring, skb, first,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	                            max_per_txd, nr_frags, mss));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	netdev->trans_start = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		/* Make sure there is space in the ring for the next send. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	return NETDEV_TX_OK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
 * e1000_tx_timeout - Respond to a Tx Hang
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
static void e1000_tx_timeout(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	/* Do the reset outside of interrupt context */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	adapter->tx_timeout_count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	schedule_work(&adapter->reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
static void e1000_reset_task(struct work_struct *work)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	struct e1000_adapter *adapter =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		container_of(work, struct e1000_adapter, reset_task);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
 * e1000_get_stats - Get System Network Statistics
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
 * Returns the address of the device statistics structure.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
 * The statistics are actually updated from the timer callback.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	/* only return the current stats */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	return &adapter->net_stats;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
 * e1000_change_mtu - Change the Maximum Transfer Unit
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
 * @netdev: network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 * @new_mtu: new value for maximum frame size
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
 * Returns 0 on success, negative on failure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	u16 eeprom_data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	/* Adapter-specific max frame size limits. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	switch (hw->mac_type) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	case e1000_undefined ... e1000_82542_rev2_1:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	case e1000_ich8lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
			return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	case e1000_82573:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		/* Jumbo Frames not supported if:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		 * - this is not an 82573L device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		                  &eeprom_data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
				DPRINTK(PROBE, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
			            	"Jumbo Frames not supported.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
				return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		/* ERT will be enabled later to enable wire speed receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		/* fall through to get support */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	case e1000_82571:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	case e1000_82572:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	case e1000_80003es2lan:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
#define MAX_STD_JUMBO_FRAME_SIZE 9234
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
			return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	 * means we reserve 2 more, this pushes us to allocate from the next
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	 * larger slab size
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	if (max_frame <= E1000_RXBUFFER_256)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	else if (max_frame <= E1000_RXBUFFER_512)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	else if (max_frame <= E1000_RXBUFFER_1024)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	else if (max_frame <= E1000_RXBUFFER_2048)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	else if (max_frame <= E1000_RXBUFFER_4096)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	else if (max_frame <= E1000_RXBUFFER_8192)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	else if (max_frame <= E1000_RXBUFFER_16384)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	/* adjust allocation if LPE protects us, and we aren't using SBP */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	if (!hw->tbi_compatibility_on &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	netdev->mtu = new_mtu;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	hw->max_frame_size = max_frame;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
 * e1000_update_stats - Update the board statistics counters
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
void e1000_update_stats(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	unsigned long flags = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	u16 phy_tmp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	/*
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	 * Prevent stats update while adapter is being reset, or if the pci
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	 * connection is down.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	if (adapter->link_speed == 0)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	if (pci_channel_offline(pdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	if (!adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	/* these counters are modified from e1000_tbi_adjust_stats,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	 * called from the interrupt context, so they must only
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	 * be written while holding adapter->stats_lock
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	adapter->stats.crcerrs += er32(CRCERRS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	adapter->stats.gprc += er32(GPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	adapter->stats.gorcl += er32(GORCL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	adapter->stats.gorch += er32(GORCH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	adapter->stats.bprc += er32(BPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	adapter->stats.mprc += er32(MPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	adapter->stats.roc += er32(ROC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	if (hw->mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
		adapter->stats.prc64 += er32(PRC64);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		adapter->stats.prc127 += er32(PRC127);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		adapter->stats.prc255 += er32(PRC255);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
		adapter->stats.prc511 += er32(PRC511);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		adapter->stats.prc1023 += er32(PRC1023);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
		adapter->stats.prc1522 += er32(PRC1522);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	adapter->stats.symerrs += er32(SYMERRS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	adapter->stats.mpc += er32(MPC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	adapter->stats.scc += er32(SCC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	adapter->stats.ecol += er32(ECOL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	adapter->stats.mcc += er32(MCC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	adapter->stats.latecol += er32(LATECOL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	adapter->stats.dc += er32(DC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	adapter->stats.sec += er32(SEC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	adapter->stats.rlec += er32(RLEC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	adapter->stats.xonrxc += er32(XONRXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	adapter->stats.xontxc += er32(XONTXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	adapter->stats.xoffrxc += er32(XOFFRXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	adapter->stats.xofftxc += er32(XOFFTXC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	adapter->stats.fcruc += er32(FCRUC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	adapter->stats.gptc += er32(GPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	adapter->stats.gotcl += er32(GOTCL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	adapter->stats.gotch += er32(GOTCH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	adapter->stats.rnbc += er32(RNBC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	adapter->stats.ruc += er32(RUC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	adapter->stats.rfc += er32(RFC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	adapter->stats.rjc += er32(RJC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	adapter->stats.torl += er32(TORL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	adapter->stats.torh += er32(TORH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	adapter->stats.totl += er32(TOTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	adapter->stats.toth += er32(TOTH);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	adapter->stats.tpr += er32(TPR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	if (hw->mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
		adapter->stats.ptc64 += er32(PTC64);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		adapter->stats.ptc127 += er32(PTC127);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		adapter->stats.ptc255 += er32(PTC255);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
		adapter->stats.ptc511 += er32(PTC511);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		adapter->stats.ptc1023 += er32(PTC1023);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		adapter->stats.ptc1522 += er32(PTC1522);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	adapter->stats.mptc += er32(MPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	adapter->stats.bptc += er32(BPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	/* used for adaptive IFS */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	hw->tx_packet_delta = er32(TPT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	adapter->stats.tpt += hw->tx_packet_delta;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	hw->collision_delta = er32(COLC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	adapter->stats.colc += hw->collision_delta;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	if (hw->mac_type >= e1000_82543) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
		adapter->stats.algnerrc += er32(ALGNERRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
		adapter->stats.rxerrc += er32(RXERRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
		adapter->stats.tncrs += er32(TNCRS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
		adapter->stats.cexterr += er32(CEXTERR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
		adapter->stats.tsctc += er32(TSCTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		adapter->stats.tsctfc += er32(TSCTFC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	if (hw->mac_type > e1000_82547_rev_2) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
		adapter->stats.iac += er32(IAC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		adapter->stats.icrxoc += er32(ICRXOC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		if (hw->mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
			adapter->stats.icrxptc += er32(ICRXPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
			adapter->stats.icrxatc += er32(ICRXATC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
			adapter->stats.ictxptc += er32(ICTXPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
			adapter->stats.ictxatc += er32(ICTXATC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
			adapter->stats.ictxqec += er32(ICTXQEC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	/* Fill out the OS statistics structure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	adapter->net_stats.multicast = adapter->stats.mprc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	adapter->net_stats.collisions = adapter->stats.colc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	/* Rx Errors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	/* RLEC on some newer hardware can be incorrect so build
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	* our own version based on RUC and ROC */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
		adapter->stats.crcerrs + adapter->stats.algnerrc +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		adapter->stats.ruc + adapter->stats.roc +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
		adapter->stats.cexterr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	/* Tx Errors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	if (hw->bad_tx_carr_stats_fd &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	    adapter->link_duplex == FULL_DUPLEX) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		adapter->net_stats.tx_carrier_errors = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		adapter->stats.tncrs = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	/* Tx Dropped needs to be maintained elsewhere */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	/* Phy Stats */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		if ((adapter->link_speed == SPEED_1000) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
			adapter->phy_stats.idle_errors += phy_tmp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		if ((hw->mac_type <= e1000_82546) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		   (hw->phy_type == e1000_phy_m88) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			adapter->phy_stats.receive_errors += phy_tmp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	/* Management Stats */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	if (hw->has_smbus) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		adapter->stats.mgptc += er32(MGTPTC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		adapter->stats.mgprc += er32(MGTPRC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
		adapter->stats.mgpdc += er32(MGTPDC);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	if (!adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
void ec_poll(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
    struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
    if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
        e1000_watchdog((unsigned long) adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
        adapter->ec_watchdog_jiffies = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
    }
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
#ifdef CONFIG_PCI_MSI
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	e1000_intr_msi(0, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
#else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
    e1000_intr(0, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
 * e1000_intr_msi - Interrupt Handler
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
 * @irq: interrupt number
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
 * @data: pointer to a network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
static irqreturn_t e1000_intr_msi(int irq, void *data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	struct net_device *netdev = data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	u32 icr = er32(ICR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
 	if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
 		int i, ec_work_done = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
 		for (i = 0; i < E1000_MAX_INTR; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
 			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
                             &ec_work_done, 100) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
 						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
 				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
 			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
 		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
 	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		/* in NAPI mode read ICR disables interrupts using IAM */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
			hw->get_link_status = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
			/* 80003ES2LAN workaround-- For packet buffer work-around on
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
			 * link down event; disable receives here in the ISR and reset
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
			 * adapter in watchdog */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
			if (netif_carrier_ok(netdev) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
				(hw->mac_type == e1000_80003es2lan)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
				/* disable receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
				u32 rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
				ew32(RCTL, rctl & ~E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
			/* guard against interrupt when we're going down */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
			if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
				mod_timer(&adapter->watchdog_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
		if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
			adapter->total_tx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
			adapter->total_tx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
			adapter->total_rx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
			adapter->total_rx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
			__netif_rx_schedule(netdev, &adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
		} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
			e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	return IRQ_HANDLED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
 * e1000_intr - Interrupt Handler
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
 * @irq: interrupt number
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
 * @data: pointer to a network interface device structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
static irqreturn_t e1000_intr(int irq, void *data)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	struct net_device *netdev = data;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	u32 rctl, icr = er32(ICR);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		return IRQ_NONE;  /* Not our interrupt */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	 * not set, then the adapter didn't send an interrupt */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	if (unlikely(hw->mac_type >= e1000_82571 &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
	             !(icr & E1000_ICR_INT_ASSERTED)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		return IRQ_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	 * need for the IMC write */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	if (!adapter->ecdev && unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		hw->get_link_status = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		/* 80003ES2LAN workaround--
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		 * For packet buffer work-around on link down event;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		 * disable receives here in the ISR and
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		 * reset adapter in watchdog
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		if (netif_carrier_ok(netdev) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		    (hw->mac_type == e1000_80003es2lan)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
			/* disable receives */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
			rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		/* guard against interrupt when we're going down */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		int i, ec_work_done = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		for (i = 0; i < E1000_MAX_INTR; i++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
							 &ec_work_done, 100) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		if (unlikely(hw->mac_type < e1000_82571)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
			/* disable interrupts, without the synchronize_irq bit */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
			ew32(IMC, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			E1000_WRITE_FLUSH();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
			adapter->total_tx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
			adapter->total_tx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
			adapter->total_rx_bytes = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
			adapter->total_rx_packets = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
			__netif_rx_schedule(netdev, &adapter->napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		} else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
			/* this really should not happen! if it does it is basically a
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
			 * bug, but not a hard error, so enable ints and continue */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
			e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	return IRQ_HANDLED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
 * e1000_clean - NAPI Rx polling callback
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
 * EtherCAT: never called
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
static int e1000_clean(struct napi_struct *napi, int budget)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	struct net_device *poll_dev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	int tx_cleaned = 0, work_done = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	/* Must NOT use netdev_priv macro here. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
	adapter = poll_dev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	/* e1000_clean is called per-cpu.  This lock protects
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	 * tx_ring[0] from being cleaned by multiple cpus
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	 * simultaneously.  A failure obtaining the lock means
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	 * tx_ring[0] is currently being cleaned anyway. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	if (spin_trylock(&adapter->tx_queue_lock)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		tx_cleaned = e1000_clean_tx_irq(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
						&adapter->tx_ring[0]);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		spin_unlock(&adapter->tx_queue_lock);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	                  &work_done, budget);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	if (tx_cleaned)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		work_done = budget;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	/* If budget not fully consumed, exit the polling mode */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	if (work_done < budget) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		if (likely(adapter->itr_setting & 3))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
			e1000_set_itr(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		netif_rx_complete(poll_dev, napi);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	return work_done;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
			       struct e1000_tx_ring *tx_ring)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	struct e1000_tx_desc *tx_desc, *eop_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	unsigned int i, eop;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	unsigned int count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	bool cleaned = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	unsigned int total_tx_bytes=0, total_tx_packets=0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	i = tx_ring->next_to_clean;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	eop = tx_ring->buffer_info[i].next_to_watch;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		for (cleaned = false; !cleaned; ) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
			tx_desc = E1000_TX_DESC(*tx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
			buffer_info = &tx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
			cleaned = (i == eop);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
			if (cleaned) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
				struct sk_buff *skb = buffer_info->skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
				unsigned int segs, bytecount;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
				segs = skb_shinfo(skb)->gso_segs ?: 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
				/* multiply data chunks by size of headers */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
				bytecount = ((segs - 1) * skb_headlen(skb)) +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
				            skb->len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
				total_tx_packets += segs;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
				total_tx_bytes += bytecount;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			tx_desc->upper.data = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			if (unlikely(++i == tx_ring->count)) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		eop = tx_ring->buffer_info[i].next_to_watch;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
#define E1000_TX_WEIGHT 64
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		/* weight of a sort for tx, to avoid endless transmit cleanup */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		if (count++ == E1000_TX_WEIGHT)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
	tx_ring->next_to_clean = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
#define TX_WAKE_THRESHOLD 32
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
	if (!adapter->ecdev && unlikely(cleaned && netif_carrier_ok(netdev) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		/* Make sure that anybody stopping the queue after this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		 * sees the new next_to_clean.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		smp_mb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		if (netif_queue_stopped(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			netif_wake_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			++adapter->restart_queue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	if (!adapter->ecdev && adapter->detect_tx_hung) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		/* Detect a transmit hang in hardware, this serializes the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		 * check with the clearing of time_stamp and movement of i */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
		adapter->detect_tx_hung = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
		if (tx_ring->buffer_info[eop].dma &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
		               (adapter->tx_timeout_factor * HZ))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			/* detected Tx unit hang */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
					"  Tx Queue             <%lu>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
					"  TDH                  <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
					"  TDT                  <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
					"  next_to_use          <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
					"  next_to_clean        <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
					"buffer_info[next_to_clean]\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
					"  time_stamp           <%lx>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
					"  next_to_watch        <%x>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
					"  jiffies              <%lx>\n"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
					"  next_to_watch.status <%x>\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
				(unsigned long)((tx_ring - adapter->tx_ring) /
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
					sizeof(struct e1000_tx_ring)),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
				readl(hw->hw_addr + tx_ring->tdh),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
				readl(hw->hw_addr + tx_ring->tdt),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
				tx_ring->next_to_use,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
				tx_ring->next_to_clean,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
				tx_ring->buffer_info[eop].time_stamp,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
				eop,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
				jiffies,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
				eop_desc->upper.fields.status);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
			netif_stop_queue(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	adapter->total_tx_bytes += total_tx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	adapter->total_tx_packets += total_tx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	adapter->net_stats.tx_bytes += total_tx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	adapter->net_stats.tx_packets += total_tx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	return cleaned;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
 * e1000_rx_checksum - Receive Checksum Offload for 82543
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
 * @adapter:     board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
 * @status_err:  receive descriptor status and error fields
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
 * @csum:        receive descriptor csum field
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
 * @sk_buff:     socket buffer with received data
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
			      u32 csum, struct sk_buff *skb)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	u16 status = (u16)status_err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	u8 errors = (u8)(status_err >> 24);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	skb->ip_summed = CHECKSUM_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	/* 82543 or newer only */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	if (unlikely(hw->mac_type < e1000_82543)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	/* Ignore Checksum bit is set */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	/* TCP/UDP checksum error bit is set */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
		/* let the stack verify checksum errors */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		adapter->hw_csum_err++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	/* TCP/UDP Checksum has not been calculated */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	if (hw->mac_type <= e1000_82547_rev_2) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
		if (!(status & E1000_RXD_STAT_TCPCS))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
			return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
			return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	/* It must be a TCP or UDP packet with a valid checksum */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
		/* TCP checksum is good */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		skb->ip_summed = CHECKSUM_UNNECESSARY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	} else if (hw->mac_type > e1000_82547_rev_2) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
		/* IP fragment with UDP payload */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
		/* Hardware complements the payload checksum, so we undo it
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
		 * and then put the value in host order for further stack use.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
		__sum16 sum = (__force __sum16)htons(csum);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		skb->csum = csum_unfold(~sum);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		skb->ip_summed = CHECKSUM_COMPLETE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	adapter->hw_csum_good++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
 * @adapter: board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
			       struct e1000_rx_ring *rx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
			       int *work_done, int work_to_do)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	struct e1000_rx_desc *rx_desc, *next_rxd;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	struct e1000_buffer *buffer_info, *next_buffer;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	unsigned long flags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	u32 length;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	u8 last_byte;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	int cleaned_count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	bool cleaned = false;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	unsigned int total_rx_bytes=0, total_rx_packets=0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	i = rx_ring->next_to_clean;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	rx_desc = E1000_RX_DESC(*rx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	while (rx_desc->status & E1000_RXD_STAT_DD) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		struct sk_buff *skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		u8 status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		if (*work_done >= work_to_do)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
		(*work_done)++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		status = rx_desc->status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
		skb = buffer_info->skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		if (!adapter->ecdev) buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		prefetch(skb->data - NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		if (++i == rx_ring->count) i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		next_rxd = E1000_RX_DESC(*rx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		prefetch(next_rxd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		next_buffer = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
		cleaned = true;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		cleaned_count++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
		pci_unmap_single(pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		                 buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		                 buffer_info->length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
		                 PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		length = le16_to_cpu(rx_desc->length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
			/* All receives must fit into a single buffer */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
			E1000_DBG("%s: Receive packet consumed multiple"
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
				  " buffers\n", netdev->name);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
			/* recycle */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
			buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
			goto next_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		if (!adapter->ecdev &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
                unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
			last_byte = *(skb->data + length - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
				       last_byte)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
				spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
				e1000_tbi_adjust_stats(hw, &adapter->stats,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
				                       length, skb->data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
				spin_unlock_irqrestore(&adapter->stats_lock,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
				                       flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
				length--;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
			} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
				/* recycle */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
				buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
				goto next_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		/* adjust length to remove Ethernet CRC, this must be
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		 * done after the TBI_ACCEPT workaround above */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		length -= 4;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		/* probably a little skewed due to removing CRC */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		total_rx_bytes += length;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		total_rx_packets++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		/* code added for copybreak, this should improve
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		 * performance for small packets with large amounts
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		 * of reassembly being done in the stack */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		if (!adapter->ecdev && length < copybreak) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
			struct sk_buff *new_skb =
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
			if (new_skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
				skb_reserve(new_skb, NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
				skb_copy_to_linear_data_offset(new_skb,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
							       -NET_IP_ALIGN,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
							       (skb->data -
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
							        NET_IP_ALIGN),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
							       (length +
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
							        NET_IP_ALIGN));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
				/* save the skb in buffer_info as good */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
				buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
				skb = new_skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
			/* else just continue with the old one */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
		/* end copybreak code */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
		skb_put(skb, length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		/* Receive Checksum Offload */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		e1000_rx_checksum(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
				  (u32)(status) |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
				  ((u32)(rx_desc->errors) << 24),
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
				  le16_to_cpu(rx_desc->csum), skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		if (adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
			ecdev_receive(adapter->ecdev, skb->data, length);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
			// No need to detect link status as
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			// long as frames are received: Reset watchdog.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
			adapter->ec_watchdog_jiffies = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
			skb->protocol = eth_type_trans(skb, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
			if (unlikely(adapter->vlgrp &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
						(status & E1000_RXD_STAT_VP))) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
						le16_to_cpu(rx_desc->special));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
			} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
				netif_receive_skb(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
		netdev->last_rx = jiffies;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
next_desc:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		rx_desc->status = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
		/* return some buffers to hardware, one at a time is too slow */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
			cleaned_count = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		/* use prefetched values */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		rx_desc = next_rxd;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		buffer_info = next_buffer;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	rx_ring->next_to_clean = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	if (cleaned_count)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	adapter->total_rx_packets += total_rx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	adapter->total_rx_bytes += total_rx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	adapter->net_stats.rx_bytes += total_rx_bytes;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	adapter->net_stats.rx_packets += total_rx_packets;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	return cleaned;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
 * @adapter: address of board private structure
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
				   struct e1000_rx_ring *rx_ring,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
				   int cleaned_count)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	struct net_device *netdev = adapter->netdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	struct pci_dev *pdev = adapter->pdev;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	struct e1000_rx_desc *rx_desc;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	struct e1000_buffer *buffer_info;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	struct sk_buff *skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	unsigned int i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	i = rx_ring->next_to_use;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	while (cleaned_count--) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		skb = buffer_info->skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		if (skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			skb_trim(skb, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
			goto map_skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		skb = netdev_alloc_skb(netdev, bufsz);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		if (unlikely(!skb)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			/* Better luck next round */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
			adapter->alloc_rx_buff_failed++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
			struct sk_buff *oldskb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
					     "at %p\n", bufsz, skb->data);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
			/* Try again, without freeing the previous */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
			skb = netdev_alloc_skb(netdev, bufsz);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
			/* Failed allocation, critical failure */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
			if (!skb) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
				dev_kfree_skb(oldskb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
				/* give up */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
				dev_kfree_skb(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
				dev_kfree_skb(oldskb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
				break; /* while !buffer_info->skb */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			/* Use new allocation */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			dev_kfree_skb(oldskb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		/* Make buffer alignment 2 beyond a 16 byte boundary
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		 * this will result in a 16 byte aligned IP header after
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		 * the 14 byte MAC header is removed
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		skb_reserve(skb, NET_IP_ALIGN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
		buffer_info->skb = skb;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		buffer_info->length = adapter->rx_buffer_len;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
map_skb:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		buffer_info->dma = pci_map_single(pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
						  skb->data,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
						  adapter->rx_buffer_len,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
						  PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		/* Fix for errata 23, can't cross 64kB boundary */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		if (!e1000_check_64k_bound(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
					(void *)(unsigned long)buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
					adapter->rx_buffer_len)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
			DPRINTK(RX_ERR, ERR,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
				"dma align check failed: %u bytes at %p\n",
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
				adapter->rx_buffer_len,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
				(void *)(unsigned long)buffer_info->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
			if (!adapter->ecdev) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
				dev_kfree_skb(skb);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
				buffer_info->skb = NULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
			pci_unmap_single(pdev, buffer_info->dma,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
					 adapter->rx_buffer_len,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
					 PCI_DMA_FROMDEVICE);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
			break; /* while !buffer_info->skb */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
		rx_desc = E1000_RX_DESC(*rx_ring, i);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		if (unlikely(++i == rx_ring->count))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
			i = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		buffer_info = &rx_ring->buffer_info[i];
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	if (likely(rx_ring->next_to_use != i)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		rx_ring->next_to_use = i;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		if (unlikely(i-- == 0))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			i = (rx_ring->count - 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		/* Force memory writes to complete before letting h/w
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
		 * know there are new descriptors to fetch.  (Only
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		 * applicable for weak-ordered memory model archs,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		 * such as IA-64). */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		wmb();
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		writel(i, hw->hw_addr + rx_ring->rdt);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
 * @adapter:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
static void e1000_smartspeed(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	u16 phy_status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
	u16 phy_ctrl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	if (adapter->smartspeed == 0) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
		/* If Master/Slave config fault is asserted twice,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		 * we assume back-to-back */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
					    phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
			adapter->smartspeed++;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
			if (!e1000_phy_setup_autoneg(hw) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
			   !e1000_read_phy_reg(hw, PHY_CTRL,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
				   	       &phy_ctrl)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
					     MII_CR_RESTART_AUTO_NEG);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
				e1000_write_phy_reg(hw, PHY_CTRL,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
						    phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		/* If still no link, perhaps using 2/3 pair cable */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		phy_ctrl |= CR_1000T_MS_ENABLE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		if (!e1000_phy_setup_autoneg(hw) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
				     MII_CR_RESTART_AUTO_NEG);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		adapter->smartspeed = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
 * e1000_ioctl -
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
 * @netdev:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
 * @ifreq:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
 * @cmd:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
	switch (cmd) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	case SIOCGMIIPHY:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	case SIOCGMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	case SIOCSMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		return e1000_mii_ioctl(netdev, ifr, cmd);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		return -EOPNOTSUPP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
 * e1000_mii_ioctl -
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
 * @netdev:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
 * @ifreq:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
 * @cmd:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
 **/
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
			   int cmd)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	struct mii_ioctl_data *data = if_mii(ifr);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	int retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	u16 mii_reg;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	u16 spddplx;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	unsigned long flags;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	if (hw->media_type != e1000_media_type_copper)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		return -EOPNOTSUPP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	switch (cmd) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	case SIOCGMIIPHY:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		data->phy_id = hw->phy_addr;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	case SIOCGMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		if (!capable(CAP_NET_ADMIN))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
			return -EPERM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
				   &data->val_out)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
			return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	case SIOCSMIIREG:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		if (adapter->ecdev || !capable(CAP_NET_ADMIN))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
			return -EPERM;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		if (data->reg_num & ~(0x1F))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
			return -EFAULT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		mii_reg = data->val_in;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		spin_lock_irqsave(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		if (e1000_write_phy_reg(hw, data->reg_num,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
					mii_reg)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
			return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		if (hw->media_type == e1000_media_type_copper) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
			switch (data->reg_num) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
			case PHY_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
				if (mii_reg & MII_CR_POWER_DOWN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
					hw->autoneg = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
					hw->autoneg_advertised = 0x2F;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
				} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
					if (mii_reg & 0x40)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
						spddplx = SPEED_1000;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
					else if (mii_reg & 0x2000)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
						spddplx = SPEED_100;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
					else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
						spddplx = SPEED_10;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
					spddplx += (mii_reg & 0x100)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
						   ? DUPLEX_FULL :
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
						   DUPLEX_HALF;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
					retval = e1000_set_spd_dplx(adapter,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
								    spddplx);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
					if (retval)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
						return retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
				}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
				if (netif_running(adapter->netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
					e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
				else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
					e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
			case M88E1000_PHY_SPEC_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
			case M88E1000_EXT_PHY_SPEC_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
				if (e1000_phy_reset(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
					return -EIO;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
		} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
			switch (data->reg_num) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			case PHY_CTRL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
				if (mii_reg & MII_CR_POWER_DOWN)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
					break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
				if (netif_running(adapter->netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
					e1000_reinit_locked(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
				else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
					e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
				break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		return -EOPNOTSUPP;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
void e1000_pci_set_mwi(struct e1000_hw *hw)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	int ret_val = pci_set_mwi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	if (ret_val)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
void e1000_pci_clear_mwi(struct e1000_hw *hw)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	pci_clear_mwi(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	return pcix_get_mmrbc(adapter->pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	pcix_set_mmrbc(adapter->pdev, mmrbc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
    struct e1000_adapter *adapter = hw->back;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
    u16 cap_offset;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
    if (!cap_offset)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
        return -E1000_ERR_CONFIG;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
    return E1000_SUCCESS;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	outl(value, port);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
static void e1000_vlan_rx_register(struct net_device *netdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
				   struct vlan_group *grp)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	u32 ctrl, rctl;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	adapter->vlgrp = grp;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	if (grp) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		/* enable VLAN tag insert/strip */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		ctrl |= E1000_CTRL_VME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
		if (adapter->hw.mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			/* enable VLAN receive filtering */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
			rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
			rctl &= ~E1000_RCTL_CFIEN;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
			ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
			e1000_update_mng_vlan(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
		/* disable VLAN tag insert/strip */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		ctrl &= ~E1000_CTRL_VME;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		if (adapter->hw.mac_type != e1000_ich8lan) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			if (adapter->mng_vlan_id !=
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			    (u16)E1000_MNG_VLAN_NONE) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
				e1000_vlan_rx_kill_vid(netdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
				                       adapter->mng_vlan_id);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	u32 vfta, index;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	    (vid == adapter->mng_vlan_id))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	/* add VID to filter table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	index = (vid >> 5) & 0x7F;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	vfta |= (1 << (vid & 0x1F));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	e1000_write_vfta(hw, index, vfta);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	u32 vfta, index;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		e1000_irq_disable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	if (!test_bit(__E1000_DOWN, &adapter->flags))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		e1000_irq_enable(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	if ((hw->mng_cookie.status &
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	    (vid == adapter->mng_vlan_id)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		/* release control to f/w */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	/* remove VID from filter table */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	index = (vid >> 5) & 0x7F;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	vfta &= ~(1 << (vid & 0x1F));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	e1000_write_vfta(hw, index, vfta);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
static void e1000_restore_vlan(struct e1000_adapter *adapter)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	if (adapter->vlgrp) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		u16 vid;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
			if (!vlan_group_get_device(adapter->vlgrp, vid))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
				continue;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	hw->autoneg = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	/* Fiber NICs only allow 1000 gbps Full duplex */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	if ((hw->media_type == e1000_media_type_fiber) &&
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	switch (spddplx) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	case SPEED_10 + DUPLEX_HALF:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		hw->forced_speed_duplex = e1000_10_half;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	case SPEED_10 + DUPLEX_FULL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		hw->forced_speed_duplex = e1000_10_full;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	case SPEED_100 + DUPLEX_HALF:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		hw->forced_speed_duplex = e1000_100_half;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	case SPEED_100 + DUPLEX_FULL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		hw->forced_speed_duplex = e1000_100_full;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	case SPEED_1000 + DUPLEX_FULL:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		hw->autoneg = 1;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		break;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	default:
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		return -EINVAL;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	u32 ctrl, ctrl_ext, rctl, status;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	u32 wufc = adapter->wol;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
#ifdef CONFIG_PM
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	int retval = 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	netif_device_detach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
		e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
#ifdef CONFIG_PM
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	retval = pci_save_state(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	if (retval)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
		return retval;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	status = er32(STATUS);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	if (status & E1000_STATUS_LU)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
		wufc &= ~E1000_WUFC_LNKC;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	if (wufc) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		e1000_setup_rctl(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		e1000_set_rx_mode(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		/* turn on all-multi mode if wake on multicast is enabled */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		if (wufc & E1000_WUFC_MC) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
			rctl = er32(RCTL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
			rctl |= E1000_RCTL_MPE;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
			ew32(RCTL, rctl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		if (hw->mac_type >= e1000_82540) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
			ctrl = er32(CTRL);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
			/* advertise wake from D3Cold */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
			#define E1000_CTRL_ADVD3WUC 0x00100000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
			/* phy power management enable */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
			ctrl |= E1000_CTRL_ADVD3WUC |
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
				E1000_CTRL_EN_PHY_PWR_MGMT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
			ew32(CTRL, ctrl);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
		if (hw->media_type == e1000_media_type_fiber ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		   hw->media_type == e1000_media_type_internal_serdes) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
			/* keep the laser running in D3 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
			ctrl_ext = er32(CTRL_EXT);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
			ew32(CTRL_EXT, ctrl_ext);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
		/* Allow time for pending master requests to run */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		e1000_disable_pciex_master(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		ew32(WUC, E1000_WUC_PME_EN);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		ew32(WUFC, wufc);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		pci_enable_wake(pdev, PCI_D3hot, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
		pci_enable_wake(pdev, PCI_D3cold, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	} else {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
		ew32(WUC, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		ew32(WUFC, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
		pci_enable_wake(pdev, PCI_D3hot, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
		pci_enable_wake(pdev, PCI_D3cold, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	e1000_release_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	/* make sure adapter isn't asleep if manageability is enabled */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	if (adapter->en_mng_pt) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
		pci_enable_wake(pdev, PCI_D3hot, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		pci_enable_wake(pdev, PCI_D3cold, 1);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	if (hw->phy_type == e1000_phy_igp_3)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		e1000_phy_powerdown_workaround(hw);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		e1000_free_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	 * would have already happened in close and is redundant. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	e1000_release_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
#ifdef CONFIG_PM
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
static int e1000_resume(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	u32 err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	pci_set_power_state(pdev, PCI_D0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	pci_restore_state(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	if (adapter->need_ioport)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
		err = pci_enable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		err = pci_enable_device_mem(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	if (adapter->ecdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		return -EBUSY;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	pci_set_master(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	pci_enable_wake(pdev, PCI_D3hot, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	pci_enable_wake(pdev, PCI_D3cold, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		err = e1000_request_irq(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		if (err)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
			return err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	e1000_power_up_phy(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	ew32(WUS, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	e1000_init_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
		e1000_up(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
	if (!adapter->ecdev) netif_device_attach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	/* If the controller is 82573 and f/w is AMT, do not set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	 * DRV_LOAD until the interface is up.  For all other cases,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	 * let the f/w know that the h/w is now under the control
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	 * of the driver. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	if (hw->mac_type != e1000_82573 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	    !e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	return 0;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
static void e1000_shutdown(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	e1000_suspend(pdev, PMSG_SUSPEND);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
#ifdef CONFIG_NET_POLL_CONTROLLER
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
/*
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
 * Polling 'interrupt' - used by things like netconsole to send skbs
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
 * without having to re-enable interrupts. It's not called while
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
 * the interrupt routine is executing.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
static void e1000_netpoll(struct net_device *netdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	struct e1000_adapter *adapter = netdev_priv(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	disable_irq(adapter->pdev->irq);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	e1000_intr(adapter->pdev->irq, netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	enable_irq(adapter->pdev->irq);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
#endif
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
 * e1000_io_error_detected - called when PCI error is detected
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
 * @pdev: Pointer to PCI device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
 * @state: The current pci conneection state
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
 * This function is called after a PCI bus error affecting
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
 * this device has been detected.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
						pci_channel_state_t state)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	struct e1000_adapter *adapter = netdev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	netif_device_detach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	if (netif_running(netdev))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
		e1000_down(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	pci_disable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	/* Request a slot slot reset. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	return PCI_ERS_RESULT_NEED_RESET;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
 * e1000_io_slot_reset - called after the pci bus has been reset.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
 * @pdev: Pointer to PCI device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
 * Restart the card from scratch, as if from a cold-boot. Implementation
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
 * resembles the first-half of the e1000_resume routine.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
	struct e1000_adapter *adapter = netdev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	int err;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	if (adapter->need_ioport)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		err = pci_enable_device(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	else
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
		err = pci_enable_device_mem(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	if (err) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
		return PCI_ERS_RESULT_DISCONNECT;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	pci_set_master(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	pci_enable_wake(pdev, PCI_D3hot, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	pci_enable_wake(pdev, PCI_D3cold, 0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	e1000_reset(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	ew32(WUS, ~0);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	return PCI_ERS_RESULT_RECOVERED;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
/**
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
 * e1000_io_resume - called when traffic can start flowing again.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
 * @pdev: Pointer to PCI device
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
 *
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
 * This callback is called when the error recovery driver tells us that
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
 * its OK to resume normal operation. Implementation resembles the
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
 * second-half of the e1000_resume routine.
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
 */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
static void e1000_io_resume(struct pci_dev *pdev)
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
{
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	struct net_device *netdev = pci_get_drvdata(pdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	struct e1000_adapter *adapter = netdev->priv;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	struct e1000_hw *hw = &adapter->hw;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	e1000_init_manageability(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	if (netif_running(netdev)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
		if (e1000_up(adapter)) {
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
			printk("e1000: can't bring device back up after reset\n");
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
			return;
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
		}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	netif_device_attach(netdev);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	/* If the controller is 82573 and f/w is AMT, do not set
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	 * DRV_LOAD until the interface is up.  For all other cases,
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	 * let the f/w know that the h/w is now under the control
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	 * of the driver. */
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	if (hw->mac_type != e1000_82573 ||
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
	    !e1000_check_mng_mode(hw))
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
		e1000_get_hw_control(adapter);
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
}
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
3a066ec73fb2 Added e1000 driver for 2.6.28.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
/* e1000_main.c */