devices/e1000/e1000_main-2.6.27-orig.c
author "Dave Page <dave.page@gleeble.com>"
Wed, 05 Mar 2014 06:36:18 +1300
changeset 2607 b59d6aecdbaa
parent 2255 25b351a76050
permissions -rw-r--r--
Fix fsm_foe timeout regression
1900
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include "e1000.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-k3-NAPI"
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const char e1000_driver_version[] = DRV_VERSION;
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static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static struct pci_device_id e1000_pci_tbl[] = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	/* required last entry */
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	{0,}
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};
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MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_rx_mode(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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static irqreturn_t e1000_intr(int irq, void *data);
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static irqreturn_t e1000_intr_msi(int irq, void *data);
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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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				  struct e1000_rx_ring *rx_ring,
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				  int *work_done, int work_to_do);
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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                                   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
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                                      struct e1000_rx_ring *rx_ring,
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				      int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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parents:
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   252
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
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   253
	pci_unregister_driver(&e1000_driver);
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   254
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
module_exit(e1000_exit_module);
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   257
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
static int e1000_request_irq(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   259
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
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   260
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	irq_handler_t handler = e1000_intr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	int irq_flags = IRQF_SHARED;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	int err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	if (hw->mac_type >= e1000_82571) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   268
		if (adapter->have_msi) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
			handler = e1000_intr_msi;
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   270
			irq_flags = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   275
	                  netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   277
		if (adapter->have_msi)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
			pci_disable_msi(adapter->pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		        "Unable to allocate interrupt Error: %d\n", err);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   282
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   283
	return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
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parents:
diff changeset
   284
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
static void e1000_free_irq(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	free_irq(adapter->pdev->irq, netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	if (adapter->have_msi)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		pci_disable_msi(adapter->pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
 * e1000_irq_disable - Mask off interrupt generation on the NIC
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
static void e1000_irq_disable(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	ew32(IMC, ~0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	synchronize_irq(adapter->pdev->irq);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
 * e1000_irq_enable - Enable default interrupt generation settings
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
static void e1000_irq_enable(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	ew32(IMS, IMS_ENABLE_MASK);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	u16 vid = hw->mng_cookie.vlan_id;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
	u16 old_vid = adapter->mng_vlan_id;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
	if (adapter->vlgrp) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
			if (hw->mng_cookie.status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
				e1000_vlan_rx_add_vid(netdev, vid);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
				adapter->mng_vlan_id = vid;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
			} else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
					(vid != old_vid) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
				e1000_vlan_rx_kill_vid(netdev, old_vid);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		} else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
			adapter->mng_vlan_id = vid;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
 * e1000_release_hw_control - release control of the h/w to f/w
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
 * @adapter: address of board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
 * For ASF and Pass Through versions of f/w this means that the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
 * driver is no longer loaded. For AMT version (only with 82573) i
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
 * of the f/w this means that the network i/f is closed.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
static void e1000_release_hw_control(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
	u32 ctrl_ext;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
	u32 swsm;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	/* Let firmware taken over control of h/w */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		swsm = er32(SWSM);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
	case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	case e1000_82572:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
	case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
		ctrl_ext = er32(CTRL_EXT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
 * e1000_get_hw_control - get control of the h/w from f/w
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
 * @adapter: address of board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
 * For ASF and Pass Through versions of f/w this means that
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
 * the driver is loaded. For AMT version (only with 82573)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
 * of the f/w this means that the network i/f is open.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
static void e1000_get_hw_control(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	u32 ctrl_ext;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
	u32 swsm;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	/* Let firmware know the driver has taken over */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		swsm = er32(SWSM);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	case e1000_82572:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		ctrl_ext = er32(CTRL_EXT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
static void e1000_init_manageability(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	if (adapter->en_mng_pt) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		u32 manc = er32(MANC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		/* disable hardware interception of ARP */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		manc &= ~(E1000_MANC_ARP_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		/* enable receiving management packets to the host */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		/* this will probably generate destination unreachable messages
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		 * from the host OS, but the packets will be handled on SMBUS */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
		if (hw->has_manc2h) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
			u32 manc2h = er32(MANC2H);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
			manc |= E1000_MANC_EN_MNG2HOST;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
#define E1000_MNG2HOST_PORT_623 (1 << 5)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
#define E1000_MNG2HOST_PORT_664 (1 << 6)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
			manc2h |= E1000_MNG2HOST_PORT_623;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
			manc2h |= E1000_MNG2HOST_PORT_664;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
			ew32(MANC2H, manc2h);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
		ew32(MANC, manc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
static void e1000_release_manageability(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	if (adapter->en_mng_pt) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		u32 manc = er32(MANC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		/* re-enable hardware interception of ARP */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		manc |= E1000_MANC_ARP_EN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		if (hw->has_manc2h)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
			manc &= ~E1000_MANC_EN_MNG2HOST;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		/* don't explicitly have to mess with MANC2H since
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		 * MANC has an enable disable that gates MANC2H */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		ew32(MANC, manc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
 * e1000_configure - configure the hardware for RX and TX
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
 * @adapter = private board structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
static void e1000_configure(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	e1000_set_rx_mode(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	e1000_restore_vlan(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	e1000_init_manageability(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	e1000_configure_tx(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	e1000_setup_rctl(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	e1000_configure_rx(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	/* call E1000_DESC_UNUSED which always leaves
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	 * at least 1 descriptor unused to make sure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	 * next_to_use != next_to_clean */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	for (i = 0; i < adapter->num_rx_queues; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		adapter->alloc_rx_buf(adapter, ring,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		                      E1000_DESC_UNUSED(ring));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	adapter->tx_queue_len = netdev->tx_queue_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
int e1000_up(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	/* hardware has been reset, we need to reload some things */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	e1000_configure(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	clear_bit(__E1000_DOWN, &adapter->flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	napi_enable(&adapter->napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	/* fire a link change interrupt to start the watchdog */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	ew32(ICS, E1000_ICS_LSC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
 * e1000_power_up_phy - restore link in case the phy was powered down
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
 * @adapter: address of board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
 * The phy may be powered down to save power and turn off link when the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
 * driver is unloaded and wake on lan is not enabled (among others)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
 * *** this routine MUST be followed by a call to e1000_reset ***
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
void e1000_power_up_phy(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	u16 mii_reg = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	/* Just clear the power down bit to wake the phy back up */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	if (hw->media_type == e1000_media_type_copper) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		/* according to the manual, the phy will retain its
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		 * settings across a power-down/up cycle */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		mii_reg &= ~MII_CR_POWER_DOWN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
static void e1000_power_down_phy(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	/* Power down the PHY so no link is implied when interface is down *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	 * The PHY cannot be powered down if any of the following is true *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	 * (a) WoL is enabled
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	 * (b) AMT is active
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	 * (c) SoL/IDER session is active */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	   hw->media_type == e1000_media_type_copper) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		u16 mii_reg = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		case e1000_82540:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		case e1000_82545:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
		case e1000_82545_rev_3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
		case e1000_82546:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
		case e1000_82546_rev_3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
		case e1000_82541:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		case e1000_82541_rev_2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		case e1000_82547:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		case e1000_82547_rev_2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
				goto out;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
		case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		case e1000_82572:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
		case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
			if (e1000_check_mng_mode(hw) ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
			    e1000_check_phy_reset_block(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
				goto out;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
			goto out;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		mii_reg |= MII_CR_POWER_DOWN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
		mdelay(1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
out:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
void e1000_down(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	/* signal that we're down so the interrupt handler does not
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	 * reschedule our watchdog timer */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	set_bit(__E1000_DOWN, &adapter->flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	napi_disable(&adapter->napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	e1000_irq_disable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	del_timer_sync(&adapter->tx_fifo_stall_timer);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	del_timer_sync(&adapter->watchdog_timer);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	del_timer_sync(&adapter->phy_info_timer);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	netdev->tx_queue_len = adapter->tx_queue_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	adapter->link_speed = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	adapter->link_duplex = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	netif_carrier_off(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	netif_stop_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	e1000_clean_all_tx_rings(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	e1000_clean_all_rx_rings(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
void e1000_reinit_locked(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	WARN_ON(in_interrupt());
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		msleep(1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	e1000_down(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	e1000_up(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	clear_bit(__E1000_RESETTING, &adapter->flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
void e1000_reset(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	bool legacy_pba_adjust = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	/* Repartition Pba for greater than 9k mtu
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	 * To take effect CTRL.RST is required.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	case e1000_82542_rev2_0:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	case e1000_82542_rev2_1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	case e1000_82543:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	case e1000_82544:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	case e1000_82540:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	case e1000_82541:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	case e1000_82541_rev_2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		legacy_pba_adjust = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		pba = E1000_PBA_48K;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	case e1000_82545:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	case e1000_82545_rev_3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	case e1000_82546:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	case e1000_82546_rev_3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		pba = E1000_PBA_48K;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	case e1000_82547:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	case e1000_82547_rev_2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		legacy_pba_adjust = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		pba = E1000_PBA_30K;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	case e1000_82572:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		pba = E1000_PBA_38K;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		pba = E1000_PBA_20K;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		pba = E1000_PBA_8K;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	case e1000_undefined:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	case e1000_num_macs:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	if (legacy_pba_adjust) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
			pba -= 8; /* allocate more FIFO for Tx */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		if (hw->mac_type == e1000_82547) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
			adapter->tx_fifo_head = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
			adapter->tx_fifo_size =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
			atomic_set(&adapter->tx_fifo_stall, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		/* adjust PBA for jumbo frames */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		ew32(PBA, pba);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		/* To maintain wire speed transmits, the Tx FIFO should be
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		 * large enough to accomodate two full transmit packets,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		 * the Rx FIFO should be large enough to accomodate at least
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		 * one full receive packet and is similarly rounded up and
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		 * expressed in KB. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		pba = er32(PBA);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		/* upper 16 bits has Tx packet buffer allocation size in KB */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		tx_space = pba >> 16;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		/* lower 16 bits has Rx packet buffer allocation size in KB */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		pba &= 0xffff;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		/* don't include ethernet FCS because hardware appends/strips */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		               VLAN_TAG_SIZE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		min_tx_space = min_rx_space;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		min_tx_space *= 2;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		min_tx_space = ALIGN(min_tx_space, 1024);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		min_tx_space >>= 10;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		min_rx_space = ALIGN(min_rx_space, 1024);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		min_rx_space >>= 10;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		/* If current Tx allocation is less than the min Tx FIFO size,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		 * and the min Tx FIFO size is less than the current Rx FIFO
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		 * allocation, take space away from current Rx allocation */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		if (tx_space < min_tx_space &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		    ((min_tx_space - tx_space) < pba)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
			pba = pba - (min_tx_space - tx_space);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
			/* PCI/PCIx hardware has PBA alignment constraints */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
			switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
			case e1000_82545 ... e1000_82546_rev_3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
				pba &= ~(E1000_PBA_8K - 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
			default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
			/* if short on rx space, rx wins and must trump tx
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
			 * adjustment or use Early Receive if available */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
			if (pba < min_rx_space) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
				switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
				case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
					/* ERT enabled in e1000_configure_rx */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
				default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
					pba = min_rx_space;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
				}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	ew32(PBA, pba);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	/* flow control settings */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	/* Set the FC high water mark to 90% of the FIFO size.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	 * Required to clear last 3 LSB */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	/* We can't use 90% on small FIFOs because the remainder
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	 * would be less than 1 full frame.  In this case, we size
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	 * it to allow at least a full frame above the high water
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	 *  mark. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	if (pba < E1000_PBA_16K)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		fc_high_water_mark = (pba * 1024) - 1600;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	hw->fc_high_water = fc_high_water_mark;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	hw->fc_low_water = fc_high_water_mark - 8;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	if (hw->mac_type == e1000_80003es2lan)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		hw->fc_pause_time = 0xFFFF;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	hw->fc_send_xon = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	hw->fc = hw->original_fc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	/* Allow time for pending master requests to run */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	e1000_reset_hw(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	if (hw->mac_type >= e1000_82544)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		ew32(WUC, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	if (e1000_init_hw(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		DPRINTK(PROBE, ERR, "Hardware Error\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	e1000_update_mng_vlan(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	if (hw->mac_type >= e1000_82544 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	    hw->mac_type <= e1000_82547_rev_2 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	    hw->autoneg == 1 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		u32 ctrl = er32(CTRL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		/* clear phy power management bit if we are in gig only mode,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		 * which if enabled will attempt negotiation to 100Mb, which
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		 * can cause a loss of link at power off or driver unload */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		ctrl &= ~E1000_CTRL_SWDPIN3;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		ew32(CTRL, ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	e1000_reset_adaptive(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	e1000_phy_get_info(hw, &adapter->phy_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	if (!adapter->smart_power_down &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	    (hw->mac_type == e1000_82571 ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	     hw->mac_type == e1000_82572)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		u16 phy_data = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		/* speed up time to link by disabling smart power down, ignore
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		 * the return value of this function because there is nothing
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		 * different we would do if it failed */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		                   &phy_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		phy_data &= ~IGP02E1000_PM_SPD;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		                    phy_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	e1000_release_manageability(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
 *  Dump the eeprom for users having checksum issues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	struct ethtool_eeprom eeprom;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	const struct ethtool_ops *ops = netdev->ethtool_ops;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	u8 *data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	u16 csum_old, csum_new = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	eeprom.len = ops->get_eeprom_len(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	eeprom.offset = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	data = kmalloc(eeprom.len, GFP_KERNEL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	if (!data) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		       " data\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	ops->get_eeprom(netdev, &eeprom, data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		csum_new += data[i] + (data[i + 1] << 8);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	csum_new = EEPROM_SUM - csum_new;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	printk(KERN_ERR "/*********************/\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	printk(KERN_ERR "Offset    Values\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	printk(KERN_ERR "========  ======\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	printk(KERN_ERR "Include this output when contacting your support "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	       "provider.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	printk(KERN_ERR "This is not a software error! Something bad "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	       "happened to your hardware or\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	printk(KERN_ERR "EEPROM image. Ignoring this "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	       "problem could result in further problems,\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	       "which is invalid\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	printk(KERN_ERR "and requires you to set the proper MAC "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	       "address manually before continuing\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	printk(KERN_ERR "to enable this network device.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	       "to your hardware vendor\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	printk(KERN_ERR "or Intel Customer Support.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	printk(KERN_ERR "/*********************/\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	kfree(data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
 * @pdev: PCI device information struct
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
 * Return true if an adapter needs ioport resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
static int e1000_is_need_ioport(struct pci_dev *pdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	switch (pdev->device) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	case E1000_DEV_ID_82540EM:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	case E1000_DEV_ID_82540EM_LOM:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	case E1000_DEV_ID_82540EP:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	case E1000_DEV_ID_82540EP_LOM:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	case E1000_DEV_ID_82540EP_LP:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	case E1000_DEV_ID_82541EI:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	case E1000_DEV_ID_82541EI_MOBILE:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	case E1000_DEV_ID_82541ER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	case E1000_DEV_ID_82541ER_LOM:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	case E1000_DEV_ID_82541GI:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	case E1000_DEV_ID_82541GI_LF:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	case E1000_DEV_ID_82541GI_MOBILE:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	case E1000_DEV_ID_82544EI_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	case E1000_DEV_ID_82544EI_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	case E1000_DEV_ID_82544GC_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	case E1000_DEV_ID_82544GC_LOM:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	case E1000_DEV_ID_82545EM_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	case E1000_DEV_ID_82545EM_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	case E1000_DEV_ID_82546EB_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	case E1000_DEV_ID_82546EB_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		return true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		return false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
 * e1000_probe - Device Initialization Routine
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
 * @pdev: PCI device information struct
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
 * @ent: entry in e1000_pci_tbl
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
 * Returns 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
 * e1000_probe initializes an adapter identified by a pci_dev structure.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
 * The OS initialization, configuring of the adapter private structure,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
 * and a hardware reset occur.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
static int __devinit e1000_probe(struct pci_dev *pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
				 const struct pci_device_id *ent)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	struct net_device *netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	struct e1000_adapter *adapter;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	struct e1000_hw *hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	static int cards_found = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	int i, err, pci_using_dac;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	u16 eeprom_data = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	int bars, need_ioport;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	DECLARE_MAC_BUF(mac);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	/* do not allocate ioport bars when not needed */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	need_ioport = e1000_is_need_ioport(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	if (need_ioport) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		err = pci_enable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		err = pci_enable_device_mem(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	    !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		pci_using_dac = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
		if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
			err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
			if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
				E1000_ERR("No usable DMA configuration, "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
					  "aborting\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
				goto err_dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		pci_using_dac = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		goto err_pci_reg;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	pci_set_master(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	err = -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	if (!netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		goto err_alloc_etherdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	SET_NETDEV_DEV(netdev, &pdev->dev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	pci_set_drvdata(pdev, netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	adapter->netdev = netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	adapter->pdev = pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	adapter->msg_enable = (1 << debug) - 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	adapter->bars = bars;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	adapter->need_ioport = need_ioport;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	hw->back = adapter;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	err = -EIO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	hw->hw_addr = ioremap(pci_resource_start(pdev, BAR_0),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
			      pci_resource_len(pdev, BAR_0));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	if (!hw->hw_addr)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		goto err_ioremap;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	if (adapter->need_ioport) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		for (i = BAR_1; i <= BAR_5; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
			if (pci_resource_len(pdev, i) == 0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
				continue;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
				hw->io_base = pci_resource_start(pdev, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	netdev->open = &e1000_open;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	netdev->stop = &e1000_close;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	netdev->hard_start_xmit = &e1000_xmit_frame;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	netdev->get_stats = &e1000_get_stats;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	netdev->set_rx_mode = &e1000_set_rx_mode;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	netdev->set_mac_address = &e1000_set_mac;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	netdev->change_mtu = &e1000_change_mtu;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	netdev->do_ioctl = &e1000_ioctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	e1000_set_ethtool_ops(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	netdev->tx_timeout = &e1000_tx_timeout;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	netdev->watchdog_timeo = 5 * HZ;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	netdev->vlan_rx_register = e1000_vlan_rx_register;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
#ifdef CONFIG_NET_POLL_CONTROLLER
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	netdev->poll_controller = e1000_netpoll;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	adapter->bd_number = cards_found;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	/* setup the private structure */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	err = e1000_sw_init(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		goto err_sw_init;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	err = -EIO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	/* Flash BAR mapping must happen after e1000_sw_init
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	 * because it depends on mac_type */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	if ((hw->mac_type == e1000_ich8lan) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		hw->flash_address =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
			ioremap(pci_resource_start(pdev, 1),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
				pci_resource_len(pdev, 1));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		if (!hw->flash_address)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
			goto err_flashmap;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	if (e1000_check_phy_reset_block(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	if (hw->mac_type >= e1000_82543) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		netdev->features = NETIF_F_SG |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
				   NETIF_F_HW_CSUM |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
				   NETIF_F_HW_VLAN_TX |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
				   NETIF_F_HW_VLAN_RX |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
				   NETIF_F_HW_VLAN_FILTER;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		if (hw->mac_type == e1000_ich8lan)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if ((hw->mac_type >= e1000_82544) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	   (hw->mac_type != e1000_82547))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		netdev->features |= NETIF_F_TSO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	if (hw->mac_type > e1000_82547_rev_2)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		netdev->features |= NETIF_F_TSO6;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	if (pci_using_dac)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		netdev->features |= NETIF_F_HIGHDMA;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	netdev->features |= NETIF_F_LLTX;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	/* initialize eeprom parameters */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	if (e1000_init_eeprom_params(hw)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		E1000_ERR("EEPROM initialization failed\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		goto err_eeprom;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	/* before reading the EEPROM, reset the controller to
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	 * put the device in a known good starting state */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	e1000_reset_hw(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	/* make sure the EEPROM is good */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	if (e1000_validate_eeprom_checksum(hw) < 0) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		e1000_dump_eeprom(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		/*
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		 * set MAC address to all zeroes to invalidate and temporary
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		 * disable this device for the user. This blocks regular
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		 * traffic while still permitting ethtool ioctls from reaching
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		 * the hardware as well as allowing the user to run the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		 * interface after manually setting a hw addr using
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		 * `ip set address`
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		memset(hw->mac_addr, 0, netdev->addr_len);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		/* copy the MAC address out of the EEPROM */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		if (e1000_read_mac_addr(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	/* don't block initalization here due to bad MAC address */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	if (!is_valid_ether_addr(netdev->perm_addr))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	e1000_get_bus_info(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	init_timer(&adapter->tx_fifo_stall_timer);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	init_timer(&adapter->watchdog_timer);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	adapter->watchdog_timer.function = &e1000_watchdog;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	adapter->watchdog_timer.data = (unsigned long) adapter;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	init_timer(&adapter->phy_info_timer);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	adapter->phy_info_timer.function = &e1000_update_phy_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	adapter->phy_info_timer.data = (unsigned long)adapter;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	e1000_check_options(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	/* Initial Wake on LAN setting
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	 * If APM wake is enabled in the EEPROM,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	 * enable the ACPI Magic Packet filter
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	case e1000_82542_rev2_0:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	case e1000_82542_rev2_1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	case e1000_82543:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	case e1000_82544:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		e1000_read_eeprom(hw,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		e1000_read_eeprom(hw,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	case e1000_82546:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	case e1000_82546_rev_3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
			e1000_read_eeprom(hw,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		/* Fall Through */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		e1000_read_eeprom(hw,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	if (eeprom_data & eeprom_apme_mask)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		adapter->eeprom_wol |= E1000_WUFC_MAG;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	/* now that we have the eeprom settings, apply the special cases
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	 * where the eeprom may be wrong or the board simply won't support
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	 * wake on lan on a particular port */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	switch (pdev->device) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	case E1000_DEV_ID_82546GB_PCIE:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		adapter->eeprom_wol = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	case E1000_DEV_ID_82546EB_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	case E1000_DEV_ID_82546GB_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	case E1000_DEV_ID_82571EB_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		/* Wake events only supported on port A for dual fiber
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		 * regardless of eeprom setting */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
			adapter->eeprom_wol = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		/* if quad port adapter, disable WoL on all but port A */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		if (global_quad_port_a != 0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			adapter->eeprom_wol = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			adapter->quad_port_a = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		/* Reset for multiple quad port adapters */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		if (++global_quad_port_a == 4)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			global_quad_port_a = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	/* initialize the wol settings based on the eeprom settings */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	adapter->wol = adapter->eeprom_wol;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	/* print bus type/speed/width info */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		 "32-bit"));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	printk("%s\n", print_mac(mac, netdev->dev_addr));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	if (hw->bus_type == e1000_bus_type_pci_express) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			"longer be supported by this driver in the future.\n",
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			pdev->vendor, pdev->device);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			"driver instead.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	/* reset the hardware with the new settings */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	/* If the controller is 82573 and f/w is AMT, do not set
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	 * DRV_LOAD until the interface is up.  For all other cases,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	 * let the f/w know that the h/w is now under the control
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	 * of the driver. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	if (hw->mac_type != e1000_82573 ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	    !e1000_check_mng_mode(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		e1000_get_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	/* tell the stack to leave us alone until e1000_open() is called */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	netif_carrier_off(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	netif_stop_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	strcpy(netdev->name, "eth%d");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	err = register_netdev(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		goto err_register;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	cards_found++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
err_register:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	e1000_release_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
err_eeprom:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	if (!e1000_check_phy_reset_block(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		e1000_phy_hw_reset(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	if (hw->flash_address)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		iounmap(hw->flash_address);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
err_flashmap:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	for (i = 0; i < adapter->num_rx_queues; i++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
		dev_put(&adapter->polling_netdev[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	kfree(adapter->tx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	kfree(adapter->rx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	kfree(adapter->polling_netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
err_sw_init:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	iounmap(hw->hw_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
err_ioremap:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	free_netdev(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
err_alloc_etherdev:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	pci_release_selected_regions(pdev, bars);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
err_pci_reg:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
err_dma:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	pci_disable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 * e1000_remove - Device Removal Routine
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 * @pdev: PCI device information struct
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * e1000_remove is called by the PCI subsystem to alert the driver
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * that it should release a PCI device.  The could be caused by a
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * Hot-Plug event, or because the driver is going to be removed from
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 * memory.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
static void __devexit e1000_remove(struct pci_dev *pdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	struct net_device *netdev = pci_get_drvdata(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	cancel_work_sync(&adapter->reset_task);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	e1000_release_manageability(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	 * would have already happened in close and is redundant. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	e1000_release_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	for (i = 0; i < adapter->num_rx_queues; i++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		dev_put(&adapter->polling_netdev[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	unregister_netdev(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	if (!e1000_check_phy_reset_block(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		e1000_phy_hw_reset(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	kfree(adapter->tx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	kfree(adapter->rx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	kfree(adapter->polling_netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	iounmap(hw->hw_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	if (hw->flash_address)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
		iounmap(hw->flash_address);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	pci_release_selected_regions(pdev, adapter->bars);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	free_netdev(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	pci_disable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
 * @adapter: board private structure to initialize
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
 * e1000_sw_init initializes the Adapter private data structure.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
 * Fields are initialized based on PCI device information and
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
 * OS network device settings (MTU size).
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	/* PCI config space info */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	hw->vendor_id = pdev->vendor;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	hw->device_id = pdev->device;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	hw->subsystem_id = pdev->subsystem_device;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	hw->revision_id = pdev->revision;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	hw->max_frame_size = netdev->mtu +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	/* identify the MAC */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	if (e1000_set_mac_type(hw)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
		return -EIO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	case e1000_82541:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	case e1000_82547:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	case e1000_82541_rev_2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	case e1000_82547_rev_2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		hw->phy_init_script = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	e1000_set_media_type(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	hw->wait_autoneg_complete = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	hw->tbi_compatibility_en = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	hw->adaptive_ifs = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	/* Copper options */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	if (hw->media_type == e1000_media_type_copper) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		hw->mdix = AUTO_ALL_MODES;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
		hw->disable_polarity_correction = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
		hw->master_slave = E1000_MASTER_SLAVE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	adapter->num_tx_queues = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	adapter->num_rx_queues = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	if (e1000_alloc_queues(adapter)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	for (i = 0; i < adapter->num_rx_queues; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		adapter->polling_netdev[i].priv = adapter;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		dev_hold(&adapter->polling_netdev[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	spin_lock_init(&adapter->tx_queue_lock);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	/* Explicitly disable IRQ since the NIC can be in any state. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	e1000_irq_disable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	spin_lock_init(&adapter->stats_lock);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	set_bit(__E1000_DOWN, &adapter->flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 * e1000_alloc_queues - Allocate memory for all rings
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 * @adapter: board private structure to initialize
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
 * We allocate one ring per queue at run-time since we don't know the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 * number of queues at compile-time.  The polling_netdev array is
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
 * intended for Multiqueue, but should work fine with a single queue.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	if (!adapter->tx_ring)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	if (!adapter->rx_ring) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		kfree(adapter->tx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	                                  sizeof(struct net_device),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	                                  GFP_KERNEL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	if (!adapter->polling_netdev) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		kfree(adapter->tx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		kfree(adapter->rx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	return E1000_SUCCESS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 * e1000_open - Called when a network interface is made active
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
 * Returns 0 on success, negative value on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
 * The open entry point is called when a network interface is made
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
 * active by the system (IFF_UP).  At this point all resources needed
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
 * for transmit and receive operations are allocated, the interrupt
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 * handler is registered with the OS, the watchdog timer is started,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
 * and the stack is notified that the interface is ready.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
static int e1000_open(struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	int err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	/* disallow open during test */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	if (test_bit(__E1000_TESTING, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
		return -EBUSY;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	/* allocate transmit descriptors */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	err = e1000_setup_all_tx_resources(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		goto err_setup_tx;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	/* allocate receive descriptors */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	err = e1000_setup_all_rx_resources(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		goto err_setup_rx;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	e1000_power_up_phy(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	if ((hw->mng_cookie.status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		e1000_update_mng_vlan(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	/* If AMT is enabled, let the firmware know that the network
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	 * interface is now open */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	if (hw->mac_type == e1000_82573 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	    e1000_check_mng_mode(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		e1000_get_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	/* before we allocate an interrupt, we must be ready to handle it.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	 * as soon as we call pci_request_irq, so we have to setup our
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	 * clean_rx handler before we do so.  */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	e1000_configure(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	err = e1000_request_irq(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		goto err_req_irq;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	/* From here on the code is the same as e1000_up() */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	clear_bit(__E1000_DOWN, &adapter->flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	napi_enable(&adapter->napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	netif_start_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	/* fire a link status change interrupt to start the watchdog */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	ew32(ICS, E1000_ICS_LSC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	return E1000_SUCCESS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
err_req_irq:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	e1000_release_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	e1000_power_down_phy(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	e1000_free_all_rx_resources(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
err_setup_rx:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	e1000_free_all_tx_resources(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
err_setup_tx:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
 * e1000_close - Disables a network interface
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
 * Returns 0, this is not allowed to fail
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
 * The close entry point is called when an interface is de-activated
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
 * by the OS.  The hardware is still under the drivers control, but
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
 * needs to be disabled.  A global MAC reset is issued to stop the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
 * hardware, and all transmit and receive resources are freed.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
static int e1000_close(struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	e1000_down(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	e1000_power_down_phy(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	e1000_free_irq(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	e1000_free_all_tx_resources(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	e1000_free_all_rx_resources(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	/* kill manageability vlan ID if supported, but not if a vlan with
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	 * the same ID is registered on the host OS (let 8021q kill it) */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	if ((hw->mng_cookie.status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	     !(adapter->vlgrp &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	/* If AMT is enabled, let the firmware know that the network
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	 * interface is now closed */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	if (hw->mac_type == e1000_82573 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	    e1000_check_mng_mode(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		e1000_release_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
 * @adapter: address of board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
 * @start: address of beginning of memory
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
 * @len: length of memory
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
				  unsigned long len)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	unsigned long begin = (unsigned long)start;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	unsigned long end = begin + len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	/* First rev 82545 and 82546 need to not allow any memory
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	 * write location to cross 64k boundary due to errata 23 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	if (hw->mac_type == e1000_82545 ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	    hw->mac_type == e1000_82546) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	return true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
 * @txdr:    tx descriptor ring (for a specific queue) to setup
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
 * Return 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
				    struct e1000_tx_ring *txdr)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	int size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	size = sizeof(struct e1000_buffer) * txdr->count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	txdr->buffer_info = vmalloc(size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	if (!txdr->buffer_info) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		"Unable to allocate memory for the transmit descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	memset(txdr->buffer_info, 0, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	/* round up to nearest 4K */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	txdr->size = ALIGN(txdr->size, 4096);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	if (!txdr->desc) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
setup_tx_desc_die:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		vfree(txdr->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		"Unable to allocate memory for the transmit descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	/* Fix for errata 23, can't cross 64kB boundary */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		void *olddesc = txdr->desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		dma_addr_t olddma = txdr->dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
				     "at %p\n", txdr->size, txdr->desc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		/* Try again, without freeing the previous */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		/* Failed allocation, critical failure */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		if (!txdr->desc) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
			goto setup_tx_desc_die;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
			/* give up */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
			pci_free_consistent(pdev, txdr->size, txdr->desc,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
					    txdr->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
			DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
				"Unable to allocate aligned memory "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
				"for the transmit descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
			vfree(txdr->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
			return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
			/* Free old allocation, new allocation was successful */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	memset(txdr->desc, 0, txdr->size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	txdr->next_to_use = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	txdr->next_to_clean = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	spin_lock_init(&txdr->tx_lock);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
 * 				  (Descriptors) for all queues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
 * Return 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	int i, err = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	for (i = 0; i < adapter->num_tx_queues; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
				"Allocation for Tx Queue %u failed\n", i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
			for (i-- ; i >= 0; i--)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
				e1000_free_tx_resources(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
							&adapter->tx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
 * Configure the Tx unit of the MAC after a reset.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
static void e1000_configure_tx(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	u64 tdba;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	u32 tdlen, tctl, tipg, tarc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	u32 ipgr1, ipgr2;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	/* Setup the HW Tx Head and Tail descriptor pointers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	switch (adapter->num_tx_queues) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	case 1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		tdba = adapter->tx_ring[0].dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		tdlen = adapter->tx_ring[0].count *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
			sizeof(struct e1000_tx_desc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		ew32(TDLEN, tdlen);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		ew32(TDBAH, (tdba >> 32));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		ew32(TDT, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		ew32(TDH, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	/* Set the default values for the Tx Inter Packet Gap timer */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	if (hw->mac_type <= e1000_82547_rev_2 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	    (hw->media_type == e1000_media_type_fiber ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	     hw->media_type == e1000_media_type_internal_serdes))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	case e1000_82542_rev2_0:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	case e1000_82542_rev2_1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		tipg = DEFAULT_82542_TIPG_IPGT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	ew32(TIPG, tipg);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	/* Set the Tx Interrupt Delay register */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	ew32(TIDV, adapter->tx_int_delay);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	if (hw->mac_type >= e1000_82540)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		ew32(TADV, adapter->tx_abs_int_delay);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	/* Program the Transmit Control Register */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	tctl = er32(TCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	tctl &= ~E1000_TCTL_CT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
		tarc = er32(TARC0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		/* set the speed mode bit, we'll clear it if we're not at
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		 * gigabit link later */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		tarc |= (1 << 21);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		ew32(TARC0, tarc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	} else if (hw->mac_type == e1000_80003es2lan) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		tarc = er32(TARC0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		tarc |= 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		ew32(TARC0, tarc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		tarc = er32(TARC1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		tarc |= 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		ew32(TARC1, tarc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	e1000_config_collision_dist(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	/* Setup Transmit Descriptor Settings for eop descriptor */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	/* only set IDE if we are delaying interrupts using the timers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	if (adapter->tx_int_delay)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	if (hw->mac_type < e1000_82543)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	/* Cache if we're 82544 running in PCI-X because we'll
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	 * need this to apply a workaround later in the send path. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	if (hw->mac_type == e1000_82544 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	    hw->bus_type == e1000_bus_type_pcix)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		adapter->pcix_82544 = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	ew32(TCTL, tctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
 * Returns 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
				    struct e1000_rx_ring *rxdr)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	int size, desc_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	size = sizeof(struct e1000_buffer) * rxdr->count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	rxdr->buffer_info = vmalloc(size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	if (!rxdr->buffer_info) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		"Unable to allocate memory for the receive descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	memset(rxdr->buffer_info, 0, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	rxdr->ps_page = kcalloc(rxdr->count, sizeof(struct e1000_ps_page),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	                        GFP_KERNEL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	if (!rxdr->ps_page) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
		vfree(rxdr->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		"Unable to allocate memory for the receive descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	rxdr->ps_page_dma = kcalloc(rxdr->count,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	                            sizeof(struct e1000_ps_page_dma),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	                            GFP_KERNEL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	if (!rxdr->ps_page_dma) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		vfree(rxdr->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		kfree(rxdr->ps_page);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		"Unable to allocate memory for the receive descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	if (hw->mac_type <= e1000_82547_rev_2)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		desc_len = sizeof(struct e1000_rx_desc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		desc_len = sizeof(union e1000_rx_desc_packet_split);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	/* Round up to nearest 4K */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	rxdr->size = rxdr->count * desc_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	rxdr->size = ALIGN(rxdr->size, 4096);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	if (!rxdr->desc) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		"Unable to allocate memory for the receive descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
setup_rx_desc_die:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		vfree(rxdr->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		kfree(rxdr->ps_page);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		kfree(rxdr->ps_page_dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		return -ENOMEM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	/* Fix for errata 23, can't cross 64kB boundary */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		void *olddesc = rxdr->desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		dma_addr_t olddma = rxdr->dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
				     "at %p\n", rxdr->size, rxdr->desc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		/* Try again, without freeing the previous */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		/* Failed allocation, critical failure */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		if (!rxdr->desc) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
			DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
				"Unable to allocate memory "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
				"for the receive descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
			goto setup_rx_desc_die;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
			/* give up */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
					    rxdr->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
			DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
				"Unable to allocate aligned memory "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
				"for the receive descriptor ring\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			goto setup_rx_desc_die;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
			/* Free old allocation, new allocation was successful */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	memset(rxdr->desc, 0, rxdr->size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	rxdr->next_to_clean = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	rxdr->next_to_use = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 * 				  (Descriptors) for all queues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 * Return 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	int i, err = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	for (i = 0; i < adapter->num_rx_queues; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
			DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
				"Allocation for Rx Queue %u failed\n", i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
			for (i-- ; i >= 0; i--)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
				e1000_free_rx_resources(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
							&adapter->rx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 * e1000_setup_rctl - configure the receive control registers
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
 * @adapter: Board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
static void e1000_setup_rctl(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	u32 rctl, rfctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	u32 psrctl = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	u32 pages = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	if (hw->tbi_compatibility_on == 1)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		rctl |= E1000_RCTL_SBP;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		rctl &= ~E1000_RCTL_SBP;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		rctl &= ~E1000_RCTL_LPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		rctl |= E1000_RCTL_LPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	/* Setup buffer sizes */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	rctl &= ~E1000_RCTL_SZ_4096;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	rctl |= E1000_RCTL_BSEX;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	switch (adapter->rx_buffer_len) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		case E1000_RXBUFFER_256:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
			rctl |= E1000_RCTL_SZ_256;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
			rctl &= ~E1000_RCTL_BSEX;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		case E1000_RXBUFFER_512:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
			rctl |= E1000_RCTL_SZ_512;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
			rctl &= ~E1000_RCTL_BSEX;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		case E1000_RXBUFFER_1024:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
			rctl |= E1000_RCTL_SZ_1024;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			rctl &= ~E1000_RCTL_BSEX;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		case E1000_RXBUFFER_2048:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
			rctl |= E1000_RCTL_SZ_2048;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			rctl &= ~E1000_RCTL_BSEX;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		case E1000_RXBUFFER_4096:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			rctl |= E1000_RCTL_SZ_4096;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		case E1000_RXBUFFER_8192:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
			rctl |= E1000_RCTL_SZ_8192;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		case E1000_RXBUFFER_16384:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
			rctl |= E1000_RCTL_SZ_16384;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	/* 82571 and greater support packet-split where the protocol
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	 * header is placed in skb->data and the packet data is
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	 * In the case of a non-split, skb->data is linearly filled,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	 * followed by the page buffers.  Therefore, skb->data is
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	 * sized to hold the largest protocol header.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	/* allocations using alloc_page take too long for regular MTU
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	 * so only enable packet split for jumbo frames */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	if ((hw->mac_type >= e1000_82571) && (pages <= 3) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	    PAGE_SIZE <= 16384 && (rctl & E1000_RCTL_LPE))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		adapter->rx_ps_pages = pages;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
		adapter->rx_ps_pages = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	if (adapter->rx_ps_pages) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		/* Configure extra packet-split registers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		rfctl = er32(RFCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		rfctl |= E1000_RFCTL_EXTEN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		/* disable packet split support for IPv6 extension headers,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		 * because some malformed IPv6 headers can hang the RX */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		          E1000_RFCTL_NEW_IPV6_EXT_DIS);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		ew32(RFCTL, rfctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		rctl |= E1000_RCTL_DTYP_PS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		psrctl |= adapter->rx_ps_bsize0 >>
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
			E1000_PSRCTL_BSIZE0_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		switch (adapter->rx_ps_pages) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		case 3:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			psrctl |= PAGE_SIZE <<
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
				E1000_PSRCTL_BSIZE3_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		case 2:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
			psrctl |= PAGE_SIZE <<
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
				E1000_PSRCTL_BSIZE2_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		case 1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
			psrctl |= PAGE_SIZE >>
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
				E1000_PSRCTL_BSIZE1_SHIFT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		ew32(PSRCTL, psrctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 * Configure the Rx unit of the MAC after a reset.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
static void e1000_configure_rx(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	u64 rdba;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	u32 rdlen, rctl, rxcsum, ctrl_ext;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	if (adapter->rx_ps_pages) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		/* this is a 32 byte descriptor */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		rdlen = adapter->rx_ring[0].count *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			sizeof(union e1000_rx_desc_packet_split);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		adapter->clean_rx = e1000_clean_rx_irq_ps;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		rdlen = adapter->rx_ring[0].count *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
			sizeof(struct e1000_rx_desc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		adapter->clean_rx = e1000_clean_rx_irq;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	/* disable receives while setting up the descriptors */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	/* set the Receive Delay Timer Register */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	ew32(RDTR, adapter->rx_int_delay);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	if (hw->mac_type >= e1000_82540) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		ew32(RADV, adapter->rx_abs_int_delay);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
		if (adapter->itr_setting != 0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
			ew32(ITR, 1000000000 / (adapter->itr * 256));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	if (hw->mac_type >= e1000_82571) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
		ctrl_ext = er32(CTRL_EXT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		/* Reset delay timers after every interrupt */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		/* Auto-Mask interrupts upon ICR access */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
		ctrl_ext |= E1000_CTRL_EXT_IAME;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		ew32(IAM, 0xffffffff);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		ew32(CTRL_EXT, ctrl_ext);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	 * the Base and Length of the Rx Descriptor Ring */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	switch (adapter->num_rx_queues) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	case 1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
		rdba = adapter->rx_ring[0].dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
		ew32(RDLEN, rdlen);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		ew32(RDBAH, (rdba >> 32));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		ew32(RDT, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
		ew32(RDH, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	if (hw->mac_type >= e1000_82543) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		rxcsum = er32(RXCSUM);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		if (adapter->rx_csum) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
			rxcsum |= E1000_RXCSUM_TUOFL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
			/* Enable 82571 IPv4 payload checksum for UDP fragments
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			 * Must be used in conjunction with packet-split. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
			if ((hw->mac_type >= e1000_82571) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
			    (adapter->rx_ps_pages)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
				rxcsum |= E1000_RXCSUM_IPPCSE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
			rxcsum &= ~E1000_RXCSUM_TUOFL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
			/* don't need to clear IPPCSE as it defaults to 0 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		ew32(RXCSUM, rxcsum);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	/* enable early receives on 82573, only takes effect if using > 2048
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	 * byte total frame size.  for example only for jumbo frames */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
#define E1000_ERT_2048 0x100
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	if (hw->mac_type == e1000_82573)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		ew32(ERT, E1000_ERT_2048);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	/* Enable Receives */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
 * e1000_free_tx_resources - Free Tx Resources per Queue
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 * @tx_ring: Tx descriptor ring for a specific queue
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 * Free all transmit software resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
				    struct e1000_tx_ring *tx_ring)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	e1000_clean_tx_ring(adapter, tx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	vfree(tx_ring->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	tx_ring->buffer_info = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	tx_ring->desc = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
 * Free all transmit software resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	for (i = 0; i < adapter->num_tx_queues; i++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
					     struct e1000_buffer *buffer_info)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	if (buffer_info->dma) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		pci_unmap_page(adapter->pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
				buffer_info->dma,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
				buffer_info->length,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
				PCI_DMA_TODEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
		buffer_info->dma = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	if (buffer_info->skb) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		dev_kfree_skb_any(buffer_info->skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
		buffer_info->skb = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	/* buffer_info must be completely set up in the transmit path */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
 * e1000_clean_tx_ring - Free Tx Buffers
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
 * @tx_ring: ring to be cleaned
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
				struct e1000_tx_ring *tx_ring)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	unsigned long size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	unsigned int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	/* Free all the Tx ring sk_buffs */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	for (i = 0; i < tx_ring->count; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
		buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	size = sizeof(struct e1000_buffer) * tx_ring->count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	memset(tx_ring->buffer_info, 0, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	/* Zero out the descriptor ring */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	memset(tx_ring->desc, 0, tx_ring->size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	tx_ring->next_to_use = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	tx_ring->next_to_clean = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	tx_ring->last_tx_tso = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	writel(0, hw->hw_addr + tx_ring->tdh);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	writel(0, hw->hw_addr + tx_ring->tdt);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	for (i = 0; i < adapter->num_tx_queues; i++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 * e1000_free_rx_resources - Free Rx Resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 * @rx_ring: ring to clean the resources from
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 * Free all receive software resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
				    struct e1000_rx_ring *rx_ring)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	e1000_clean_rx_ring(adapter, rx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	vfree(rx_ring->buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	rx_ring->buffer_info = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	kfree(rx_ring->ps_page);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	rx_ring->ps_page = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	kfree(rx_ring->ps_page_dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	rx_ring->ps_page_dma = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	rx_ring->desc = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
 * Free all receive software resources
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	for (i = 0; i < adapter->num_rx_queues; i++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
 * @rx_ring: ring to free buffers from
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
				struct e1000_rx_ring *rx_ring)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	struct e1000_ps_page *ps_page;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	struct e1000_ps_page_dma *ps_page_dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	unsigned long size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	unsigned int i, j;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	/* Free all the Rx ring sk_buffs */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	for (i = 0; i < rx_ring->count; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
		buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		if (buffer_info->skb) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
			pci_unmap_single(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
					 buffer_info->dma,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
					 buffer_info->length,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
					 PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			dev_kfree_skb(buffer_info->skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
			buffer_info->skb = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		ps_page = &rx_ring->ps_page[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		ps_page_dma = &rx_ring->ps_page_dma[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		for (j = 0; j < adapter->rx_ps_pages; j++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			if (!ps_page->ps_page[j]) break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
			pci_unmap_page(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
				       ps_page_dma->ps_page_dma[j],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			ps_page_dma->ps_page_dma[j] = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
			put_page(ps_page->ps_page[j]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			ps_page->ps_page[j] = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	size = sizeof(struct e1000_buffer) * rx_ring->count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	memset(rx_ring->buffer_info, 0, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	size = sizeof(struct e1000_ps_page) * rx_ring->count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	memset(rx_ring->ps_page, 0, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	size = sizeof(struct e1000_ps_page_dma) * rx_ring->count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	memset(rx_ring->ps_page_dma, 0, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	/* Zero out the descriptor ring */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	memset(rx_ring->desc, 0, rx_ring->size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	rx_ring->next_to_clean = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	rx_ring->next_to_use = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	writel(0, hw->hw_addr + rx_ring->rdh);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	writel(0, hw->hw_addr + rx_ring->rdt);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	for (i = 0; i < adapter->num_rx_queues; i++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
 * and memory write and invalidate disabled for certain operations
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	u32 rctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	e1000_pci_clear_mwi(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	rctl |= E1000_RCTL_RST;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	mdelay(5);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	if (netif_running(netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		e1000_clean_all_rx_rings(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	u32 rctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	rctl &= ~E1000_RCTL_RST;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	mdelay(5);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		e1000_pci_set_mwi(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	if (netif_running(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		/* No need to loop, because 82542 supports only 1 queue */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		e1000_configure_rx(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
 * e1000_set_mac - Change the Ethernet Address of the NIC
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
 * @p: pointer to an address structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 * Returns 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
static int e1000_set_mac(struct net_device *netdev, void *p)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	struct sockaddr *addr = p;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	if (!is_valid_ether_addr(addr->sa_data))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		return -EADDRNOTAVAIL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	/* 82542 2.0 needs to be in reset to write receive address registers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	if (hw->mac_type == e1000_82542_rev2_0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		e1000_enter_82542_rst(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	e1000_rar_set(hw, hw->mac_addr, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	/* With 82571 controllers, LAA may be overwritten (with the default)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	 * due to controller reset from the other port. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	if (hw->mac_type == e1000_82571) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		/* activate the work around */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		hw->laa_is_present = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		/* Hold a copy of the LAA in RAR[14] This is done so that
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		 * between the time RAR[0] gets clobbered  and the time it
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		 * of the RARs and no incoming packets directed to this port
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		 * are dropped. Eventaully the LAA will be in RAR[0] and
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		 * RAR[14] */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		e1000_rar_set(hw, hw->mac_addr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
					E1000_RAR_ENTRIES - 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	if (hw->mac_type == e1000_82542_rev2_0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		e1000_leave_82542_rst(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
 * The set_rx_mode entry point is called whenever the unicast or multicast
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
 * address lists or the network interface flags are updated. This routine is
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
 * responsible for configuring the hardware for proper unicast, multicast,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
 * promiscuous mode, and all-multi behavior.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
static void e1000_set_rx_mode(struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	struct dev_addr_list *uc_ptr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	struct dev_addr_list *mc_ptr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	u32 rctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	u32 hash_value;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	int i, rar_entries = E1000_RAR_ENTRIES;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
				E1000_NUM_MTA_REGISTERS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	if (hw->mac_type == e1000_ich8lan)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	/* reserve RAR[14] for LAA over-write work-around */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	if (hw->mac_type == e1000_82571)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		rar_entries--;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	/* Check for Promiscuous and All Multicast modes */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	if (netdev->flags & IFF_PROMISC) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		rctl &= ~E1000_RCTL_VFE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		if (netdev->flags & IFF_ALLMULTI) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			rctl |= E1000_RCTL_MPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
			rctl &= ~E1000_RCTL_MPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		if (adapter->hw.mac_type != e1000_ich8lan)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			rctl |= E1000_RCTL_VFE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	uc_ptr = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	if (netdev->uc_count > rar_entries - 1) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		rctl |= E1000_RCTL_UPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	} else if (!(netdev->flags & IFF_PROMISC)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		rctl &= ~E1000_RCTL_UPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		uc_ptr = netdev->uc_list;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
	ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	/* 82542 2.0 needs to be in reset to write receive address registers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	if (hw->mac_type == e1000_82542_rev2_0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		e1000_enter_82542_rst(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	/* load the first 14 addresses into the exact filters 1-14. Unicast
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	 * addresses take precedence to avoid disabling unicast filtering
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	 * when possible.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	 * RAR 0 is used for the station MAC adddress
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	 * if there are not 14 addresses, go ahead and clear the filters
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	 * -- with 82571 controllers only 0-13 entries are filled here
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	mc_ptr = netdev->mc_list;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	for (i = 1; i < rar_entries; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		if (uc_ptr) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			e1000_rar_set(hw, uc_ptr->da_addr, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			uc_ptr = uc_ptr->next;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		} else if (mc_ptr) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			e1000_rar_set(hw, mc_ptr->da_addr, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
			mc_ptr = mc_ptr->next;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
	WARN_ON(uc_ptr != NULL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	/* clear the old settings from the multicast hash table */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	for (i = 0; i < mta_reg_count; i++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	/* load any remaining addresses into the hash table */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		e1000_mta_set(hw, hash_value);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	if (hw->mac_type == e1000_82542_rev2_0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		e1000_leave_82542_rst(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
/* Need to wait a few seconds after link up to get diagnostic information from
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
 * the phy */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
static void e1000_update_phy_info(unsigned long data)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	e1000_phy_get_info(hw, &adapter->phy_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
 * e1000_82547_tx_fifo_stall - Timer Call-back
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
 * @data: pointer to adapter cast into an unsigned long
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
static void e1000_82547_tx_fifo_stall(unsigned long data)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	u32 tctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	if (atomic_read(&adapter->tx_fifo_stall)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		if ((er32(TDT) == er32(TDH)) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		   (er32(TDFT) == er32(TDFH)) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		   (er32(TDFTS) == er32(TDFHS))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			tctl = er32(TCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			ew32(TDFT, adapter->tx_head_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			ew32(TDFH, adapter->tx_head_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
			ew32(TDFTS, adapter->tx_head_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			ew32(TDFHS, adapter->tx_head_addr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
			ew32(TCTL, tctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
			E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
			adapter->tx_fifo_head = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			atomic_set(&adapter->tx_fifo_stall, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
			netif_wake_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 * e1000_watchdog - Timer Call-back
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
 * @data: pointer to adapter cast into an unsigned long
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
static void e1000_watchdog(unsigned long data)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	struct e1000_tx_ring *txdr = adapter->tx_ring;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	u32 link, tctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	s32 ret_val;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	ret_val = e1000_check_for_link(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	if ((ret_val == E1000_ERR_PHY) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	    (hw->phy_type == e1000_phy_igp_3) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		/* See e1000_kumeran_lock_loss_workaround() */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		DPRINTK(LINK, INFO,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
			"Gigabit has been disabled, downgrading speed\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	if (hw->mac_type == e1000_82573) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		e1000_enable_tx_pkt_filtering(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
			e1000_update_mng_vlan(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	   !(er32(TXCW) & E1000_TXCW_ANE))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
		link = !hw->serdes_link_down;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
		link = er32(STATUS) & E1000_STATUS_LU;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	if (link) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		if (!netif_carrier_ok(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
			u32 ctrl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
			bool txb2b = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			e1000_get_speed_and_duplex(hw,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			                           &adapter->link_speed,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			                           &adapter->link_duplex);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			ctrl = er32(CTRL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
			        "Flow Control: %s\n",
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			        adapter->link_speed,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
			        adapter->link_duplex == FULL_DUPLEX ?
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			        "Full Duplex" : "Half Duplex",
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			/* tweak tx_queue_len according to speed/duplex
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			 * and adjust the timeout factor */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
			netdev->tx_queue_len = adapter->tx_queue_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			adapter->tx_timeout_factor = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
			switch (adapter->link_speed) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
			case SPEED_10:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
				txb2b = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
				netdev->tx_queue_len = 10;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
				adapter->tx_timeout_factor = 8;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
			case SPEED_100:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
				txb2b = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
				netdev->tx_queue_len = 100;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
				/* maybe add some timeout factor ? */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
			if ((hw->mac_type == e1000_82571 ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
			     hw->mac_type == e1000_82572) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
			    !txb2b) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
				u32 tarc0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
				tarc0 = er32(TARC0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
				tarc0 &= ~(1 << 21);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
				ew32(TARC0, tarc0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
			/* disable TSO for pcie and 10/100 speeds, to avoid
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
			 * some hardware issues */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
			if (!adapter->tso_force &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
			    hw->bus_type == e1000_bus_type_pci_express){
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
				switch (adapter->link_speed) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
				case SPEED_10:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
				case SPEED_100:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
					DPRINTK(PROBE,INFO,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
				        "10/100 speed: disabling TSO\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
					netdev->features &= ~NETIF_F_TSO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
					netdev->features &= ~NETIF_F_TSO6;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
				case SPEED_1000:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
					netdev->features |= NETIF_F_TSO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
					netdev->features |= NETIF_F_TSO6;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
				default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
					/* oops */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
				}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
			/* enable transmits in the hardware, need to do this
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
			 * after setting TARC0 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
			tctl = er32(TCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
			tctl |= E1000_TCTL_EN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
			ew32(TCTL, tctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
			netif_carrier_on(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
			netif_wake_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
			adapter->smartspeed = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
			/* make sure the receive unit is started */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
			if (hw->rx_needs_kicking) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
				u32 rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
				ew32(RCTL, rctl | E1000_RCTL_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		if (netif_carrier_ok(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
			adapter->link_speed = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
			adapter->link_duplex = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
			netif_carrier_off(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
			netif_stop_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
			/* 80003ES2LAN workaround--
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
			 * For packet buffer work-around on link down event;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
			 * disable receives in the ISR and
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
			 * reset device here in the watchdog
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
			 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
			if (hw->mac_type == e1000_80003es2lan)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
				/* reset device */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
				schedule_work(&adapter->reset_task);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		e1000_smartspeed(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	e1000_update_stats(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	adapter->tpt_old = adapter->stats.tpt;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	adapter->colc_old = adapter->stats.colc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	adapter->gorcl_old = adapter->stats.gorcl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	adapter->gotcl_old = adapter->stats.gotcl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	e1000_update_adaptive(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	if (!netif_carrier_ok(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
			/* We've lost link, so the controller stops DMA,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
			 * but we've got queued Tx work that's never going
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
			 * to get done, so reset controller to flush Tx.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
			 * (Do the reset outside of interrupt context). */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
			adapter->tx_timeout_count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
			schedule_work(&adapter->reset_task);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	/* Cause software interrupt to ensure rx ring is cleaned */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	ew32(ICS, E1000_ICS_RXDMT0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	/* Force detection of hung controller every watchdog period */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	adapter->detect_tx_hung = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	/* With 82571 controllers, LAA may be overwritten due to controller
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		e1000_rar_set(hw, hw->mac_addr, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	/* Reset the timer */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
enum latency_range {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	lowest_latency = 0,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	low_latency = 1,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	bulk_latency = 2,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	latency_invalid = 255
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
};
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
 * e1000_update_itr - update the dynamic ITR value based on statistics
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
 *      Stores a new ITR value based on packets and byte
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
 *      counts during the last interrupt.  The advantage of per interrupt
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
 *      computation is faster updates and more accurate ITR for the current
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
 *      traffic pattern.  Constants in this function were computed
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
 *      based on theoretical maximum wire speed and thresholds were set based
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
 *      on testing data as well as attempting to minimize response time
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
 *      while increasing bulk throughput.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
 *      this functionality is controlled by the InterruptThrottleRate module
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
 *      parameter (see e1000_param.c)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
 * @adapter: pointer to adapter
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
 * @itr_setting: current adapter->itr
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
 * @packets: the number of packets during this measurement interval
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
 * @bytes: the number of bytes during this measurement interval
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
				     u16 itr_setting, int packets, int bytes)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	unsigned int retval = itr_setting;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	if (unlikely(hw->mac_type < e1000_82540))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		goto update_itr_done;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	if (packets == 0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		goto update_itr_done;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	switch (itr_setting) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	case lowest_latency:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		/* jumbo frames get bulk treatment*/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		if (bytes/packets > 8000)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
			retval = bulk_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		else if ((packets < 5) && (bytes > 512))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
			retval = low_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	case low_latency:  /* 50 usec aka 20000 ints/s */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		if (bytes > 10000) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
			/* jumbo frames need bulk latency setting */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
			if (bytes/packets > 8000)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
				retval = bulk_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
			else if ((packets < 10) || ((bytes/packets) > 1200))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
				retval = bulk_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
			else if ((packets > 35))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
				retval = lowest_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		} else if (bytes/packets > 2000)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
			retval = bulk_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		else if (packets <= 2 && bytes < 512)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
			retval = lowest_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	case bulk_latency: /* 250 usec aka 4000 ints/s */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		if (bytes > 25000) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
			if (packets > 35)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
				retval = low_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		} else if (bytes < 6000) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
			retval = low_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
update_itr_done:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	return retval;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
static void e1000_set_itr(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	u16 current_itr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	u32 new_itr = adapter->itr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	if (unlikely(hw->mac_type < e1000_82540))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	if (unlikely(adapter->link_speed != SPEED_1000)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		current_itr = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		new_itr = 4000;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		goto set_itr_now;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	adapter->tx_itr = e1000_update_itr(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	                            adapter->tx_itr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	                            adapter->total_tx_packets,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	                            adapter->total_tx_bytes);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		adapter->tx_itr = low_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	adapter->rx_itr = e1000_update_itr(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	                            adapter->rx_itr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	                            adapter->total_rx_packets,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	                            adapter->total_rx_bytes);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		adapter->rx_itr = low_latency;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	switch (current_itr) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	/* counts and packets in update_itr are dependent on these numbers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	case lowest_latency:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		new_itr = 70000;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	case low_latency:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		new_itr = 20000; /* aka hwitr = ~200 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	case bulk_latency:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		new_itr = 4000;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
set_itr_now:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	if (new_itr != adapter->itr) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		/* this attempts to bias the interrupt rate towards Bulk
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		 * by adding intermediate steps when interrupt rate is
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		 * increasing */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		new_itr = new_itr > adapter->itr ?
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		             min(adapter->itr + (new_itr >> 2), new_itr) :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		             new_itr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		adapter->itr = new_itr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		ew32(ITR, 1000000000 / (new_itr * 256));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
#define E1000_TX_FLAGS_CSUM		0x00000001
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
#define E1000_TX_FLAGS_VLAN		0x00000002
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
#define E1000_TX_FLAGS_TSO		0x00000004
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
#define E1000_TX_FLAGS_IPV4		0x00000008
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
#define E1000_TX_FLAGS_VLAN_SHIFT	16
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
static int e1000_tso(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	struct e1000_context_desc *context_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
	unsigned int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	u32 cmd_length = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	u16 ipcse = 0, tucse, mss;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	int err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	if (skb_is_gso(skb)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		if (skb_header_cloned(skb)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
			if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
				return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		mss = skb_shinfo(skb)->gso_size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		if (skb->protocol == htons(ETH_P_IP)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
			struct iphdr *iph = ip_hdr(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
			iph->tot_len = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
			iph->check = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
								 iph->daddr, 0,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
								 IPPROTO_TCP,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
								 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
			cmd_length = E1000_TXD_CMD_IP;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
			ipcse = skb_transport_offset(skb) - 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			ipv6_hdr(skb)->payload_len = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
			tcp_hdr(skb)->check =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
						 &ipv6_hdr(skb)->daddr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
						 0, IPPROTO_TCP, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
			ipcse = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		ipcss = skb_network_offset(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		tucss = skb_transport_offset(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		tucse = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		i = tx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		context_desc->upper_setup.tcp_fields.tucss = tucss;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		context_desc->upper_setup.tcp_fields.tucso = tucso;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		buffer_info->time_stamp = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		buffer_info->next_to_watch = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		if (++i == tx_ring->count) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		tx_ring->next_to_use = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		return true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	return false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
static bool e1000_tx_csum(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	struct e1000_context_desc *context_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	unsigned int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	u8 css;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		css = skb_transport_offset(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		i = tx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
		context_desc->lower_setup.ip_config = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		context_desc->upper_setup.tcp_fields.tucss = css;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		context_desc->upper_setup.tcp_fields.tucso =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
			css + skb->csum_offset;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		context_desc->upper_setup.tcp_fields.tucse = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		context_desc->tcp_seg_setup.data = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		buffer_info->time_stamp = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		buffer_info->next_to_watch = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		if (unlikely(++i == tx_ring->count)) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		tx_ring->next_to_use = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		return true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	return false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
#define E1000_MAX_TXD_PWR	12
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
static int e1000_tx_map(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
			struct e1000_tx_ring *tx_ring,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
			struct sk_buff *skb, unsigned int first,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			unsigned int max_per_txd, unsigned int nr_frags,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
			unsigned int mss)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	unsigned int len = skb->len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	unsigned int offset = 0, size, count = 0, i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	unsigned int f;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	len -= skb->data_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	i = tx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	while (len) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		size = min(len, max_per_txd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		/* Workaround for Controller erratum --
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		 * descriptor for non-tso packet in a linear SKB that follows a
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
		 * tso gets written back prematurely before the data is fully
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		 * DMA'd to the controller */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
		if (!skb->data_len && tx_ring->last_tx_tso &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		    !skb_is_gso(skb)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
			tx_ring->last_tx_tso = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
			size -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		/* Workaround for premature desc write-backs
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		 * in TSO mode.  Append 4-byte sentinel desc */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
		if (unlikely(mss && !nr_frags && size == len && size > 8))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
			size -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		/* work-around for errata 10 and it applies
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		 * to all controllers in PCI-X mode
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		 * The fix is to make sure that the first descriptor of a
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		                (size > 2015) && count == 0))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		        size = 2015;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
		 * terminating buffers within evenly-aligned dwords. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		if (unlikely(adapter->pcix_82544 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		   size > 4))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
			size -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		buffer_info->length = size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
		buffer_info->dma =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
			pci_map_single(adapter->pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
				skb->data + offset,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
				size,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
				PCI_DMA_TODEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		buffer_info->time_stamp = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		buffer_info->next_to_watch = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
		len -= size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		offset += size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		if (unlikely(++i == tx_ring->count)) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	for (f = 0; f < nr_frags; f++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		struct skb_frag_struct *frag;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		frag = &skb_shinfo(skb)->frags[f];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		len = frag->size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		offset = frag->page_offset;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
		while (len) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
			buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
			size = min(len, max_per_txd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
			/* Workaround for premature desc write-backs
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
			 * in TSO mode.  Append 4-byte sentinel desc */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
				size -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
			/* Workaround for potential 82544 hang in PCI-X.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
			 * Avoid terminating buffers within evenly-aligned
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
			 * dwords. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
			if (unlikely(adapter->pcix_82544 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
			   size > 4))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
				size -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
			buffer_info->length = size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
			buffer_info->dma =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
				pci_map_page(adapter->pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
					frag->page,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
					offset,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
					size,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
					PCI_DMA_TODEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
			buffer_info->time_stamp = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
			buffer_info->next_to_watch = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
			len -= size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
			offset += size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
			count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
			if (unlikely(++i == tx_ring->count)) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	tx_ring->buffer_info[i].skb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	tx_ring->buffer_info[first].next_to_watch = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	return count;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
static void e1000_tx_queue(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
			   struct e1000_tx_ring *tx_ring, int tx_flags,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
			   int count)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	struct e1000_tx_desc *tx_desc = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	unsigned int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		             E1000_TXD_CMD_TSE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		txd_lower |= E1000_TXD_CMD_VLE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	i = tx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	while (count--) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
		buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		tx_desc = E1000_TX_DESC(*tx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
		tx_desc->lower.data =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
			cpu_to_le32(txd_lower | buffer_info->length);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		tx_desc->upper.data = cpu_to_le32(txd_upper);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		if (unlikely(++i == tx_ring->count)) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/* Force memory writes to complete before letting h/w
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	 * know there are new descriptors to fetch.  (Only
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	 * applicable for weak-ordered memory model archs,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	 * such as IA-64). */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	wmb();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	tx_ring->next_to_use = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	writel(i, hw->hw_addr + tx_ring->tdt);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	/* we need this if more than one processor can write to our tail
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	 * at a time, it syncronizes IO on IA64/Altix systems */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	mmiowb();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
 * 82547 workaround to avoid controller hang in half-duplex environment.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
 * The workaround is to avoid queuing a large packet that would span
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
 * the internal Tx FIFO ring boundary by notifying the stack to resend
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
 * to the beginning of the Tx FIFO.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
#define E1000_FIFO_HDR			0x10
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
#define E1000_82547_PAD_LEN		0x3E0
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
				       struct sk_buff *skb)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	if (adapter->link_duplex != HALF_DUPLEX)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
		goto no_fifo_stall_required;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (atomic_read(&adapter->tx_fifo_stall))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		return 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
		atomic_set(&adapter->tx_fifo_stall, 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		return 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
no_fifo_stall_required:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	adapter->tx_fifo_head += skb_fifo_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
#define MINIMUM_DHCP_PACKET_SIZE 282
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
				    struct sk_buff *skb)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	struct e1000_hw *hw =  &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	u16 length, offset;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	if (vlan_tx_tag_present(skb)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			( hw->mng_cookie.status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
			return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		struct ethhdr *eth = (struct ethhdr *)skb->data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
		if ((htons(ETH_P_IP) == eth->h_proto)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
			const struct iphdr *ip =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
				(struct iphdr *)((u8 *)skb->data+14);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
			if (IPPROTO_UDP == ip->protocol) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
				struct udphdr *udp =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
					(struct udphdr *)((u8 *)ip +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
						(ip->ihl << 2));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
				if (ntohs(udp->dest) == 67) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
					offset = (u8 *)udp + 8 - skb->data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
					length = skb->len - offset;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
					return e1000_mng_write_dhcp_info(hw,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
							(u8 *)udp + 8,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
							length);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
				}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	netif_stop_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	/* Herbert's original patch had:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	 *  smp_mb__after_netif_stop_queue();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	 * but since that doesn't exist yet, just open code it. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	smp_mb();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	/* We need to check again in a case another CPU has just
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	 * made room available. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		return -EBUSY;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	/* A reprieve! */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	netif_start_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	++adapter->restart_queue;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
static int e1000_maybe_stop_tx(struct net_device *netdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
                               struct e1000_tx_ring *tx_ring, int size)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	return __e1000_maybe_stop_tx(netdev, size);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	struct e1000_tx_ring *tx_ring;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	unsigned int tx_flags = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	unsigned int len = skb->len - skb->data_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	unsigned long flags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	unsigned int nr_frags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	unsigned int mss;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	int count = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	int tso;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	unsigned int f;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	/* This goes back to the question of how to logically map a tx queue
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	 * to a flow.  Right now, performance is impacted slightly negatively
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	 * if using multiple tx queues.  If the stack breaks away from a
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	 * single qdisc implementation, we can look at this again. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	tx_ring = adapter->tx_ring;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	if (unlikely(skb->len <= 0)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		dev_kfree_skb_any(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		return NETDEV_TX_OK;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	/* 82571 and newer doesn't need the workaround that limited descriptor
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	 * length to 4kB */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	if (hw->mac_type >= e1000_82571)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		max_per_txd = 8192;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	mss = skb_shinfo(skb)->gso_size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	/* The controller does a simple calculation to
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	 * make sure there is enough room in the FIFO before
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	 * initiating the DMA for each buffer.  The calc is:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	 * 4 = ceil(buffer len/mss).  To make sure we don't
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	 * overrun the FIFO, adjust the max buffer len if mss
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	 * drops. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	if (mss) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		u8 hdr_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		max_per_txd = min(mss << 2, max_per_txd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		max_txd_pwr = fls(max_per_txd) - 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		* points to just header, pull a few bytes of payload from
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		* frags into skb->data */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
		if (skb->data_len && hdr_len == len) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
			switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
				unsigned int pull_size;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
			case e1000_82544:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
				/* Make sure we have room to chop off 4 bytes,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
				 * and that the end alignment will work out to
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
				 * this hardware's requirements
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
				 * NOTE: this is a TSO only workaround
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
				 * if end byte alignment not correct move us
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
				 * into the next dword */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
				/* fall through */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
			case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
			case e1000_82572:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
			case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
			case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
				pull_size = min((unsigned int)4, skb->data_len);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
				if (!__pskb_pull_tail(skb, pull_size)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
					DPRINTK(DRV, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
						"__pskb_pull_tail failed.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
					dev_kfree_skb_any(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
					return NETDEV_TX_OK;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
				}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
				len = skb->len - skb->data_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
			default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
				/* do nothing */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	/* reserve a descriptor for the offload context */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
		count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	/* Controller Erratum workaround */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	count += TXD_USE_COUNT(len, max_txd_pwr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	if (adapter->pcix_82544)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	/* work-around for errata 10 and it applies to all controllers
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	 * in PCI-X mode, so add one more descriptor to the count
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
			(len > 2015)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	nr_frags = skb_shinfo(skb)->nr_frags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	for (f = 0; f < nr_frags; f++)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
				       max_txd_pwr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	if (adapter->pcix_82544)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		count += nr_frags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	if (hw->tx_pkt_filtering &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	    (hw->mac_type == e1000_82573))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		e1000_transfer_dhcp_info(adapter, skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	if (!spin_trylock_irqsave(&tx_ring->tx_lock, flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		/* Collision - tell upper layer to requeue */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		return NETDEV_TX_LOCKED;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	/* need: count + 2 desc gap to keep tail from touching
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	 * head, otherwise try next time */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		return NETDEV_TX_BUSY;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	if (unlikely(hw->mac_type == e1000_82547)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
			netif_stop_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
			return NETDEV_TX_BUSY;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
		tx_flags |= E1000_TX_FLAGS_VLAN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	first = tx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	tso = e1000_tso(adapter, tx_ring, skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	if (tso < 0) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		dev_kfree_skb_any(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		return NETDEV_TX_OK;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	if (likely(tso)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
		tx_ring->last_tx_tso = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		tx_flags |= E1000_TX_FLAGS_TSO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		tx_flags |= E1000_TX_FLAGS_CSUM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	 * no longer assume, we must. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	if (likely(skb->protocol == htons(ETH_P_IP)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		tx_flags |= E1000_TX_FLAGS_IPV4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	e1000_tx_queue(adapter, tx_ring, tx_flags,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	               e1000_tx_map(adapter, tx_ring, skb, first,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	                            max_per_txd, nr_frags, mss));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	netdev->trans_start = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	/* Make sure there is space in the ring for the next send. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	return NETDEV_TX_OK;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
 * e1000_tx_timeout - Respond to a Tx Hang
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
static void e1000_tx_timeout(struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	/* Do the reset outside of interrupt context */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	adapter->tx_timeout_count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	schedule_work(&adapter->reset_task);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
static void e1000_reset_task(struct work_struct *work)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	struct e1000_adapter *adapter =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		container_of(work, struct e1000_adapter, reset_task);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	e1000_reinit_locked(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
 * e1000_get_stats - Get System Network Statistics
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
 * Returns the address of the device statistics structure.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
 * The statistics are actually updated from the timer callback.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	/* only return the current stats */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	return &adapter->net_stats;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
 * e1000_change_mtu - Change the Maximum Transfer Unit
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
 * @netdev: network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
 * @new_mtu: new value for maximum frame size
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
 * Returns 0 on success, negative on failure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	u16 eeprom_data = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		return -EINVAL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	/* Adapter-specific max frame size limits. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	switch (hw->mac_type) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	case e1000_undefined ... e1000_82542_rev2_1:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	case e1000_ich8lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
			return -EINVAL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	case e1000_82573:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
		/* Jumbo Frames not supported if:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		 * - this is not an 82573L device
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		                  &eeprom_data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
				DPRINTK(PROBE, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
			            	"Jumbo Frames not supported.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
				return -EINVAL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
		/* ERT will be enabled later to enable wire speed receives */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
		/* fall through to get support */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	case e1000_82571:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	case e1000_82572:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	case e1000_80003es2lan:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
#define MAX_STD_JUMBO_FRAME_SIZE 9234
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
			return -EINVAL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	 * means we reserve 2 more, this pushes us to allocate from the next
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	 * larger slab size
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	if (max_frame <= E1000_RXBUFFER_256)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	else if (max_frame <= E1000_RXBUFFER_512)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	else if (max_frame <= E1000_RXBUFFER_1024)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	else if (max_frame <= E1000_RXBUFFER_2048)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	else if (max_frame <= E1000_RXBUFFER_4096)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	else if (max_frame <= E1000_RXBUFFER_8192)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	else if (max_frame <= E1000_RXBUFFER_16384)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	/* adjust allocation if LPE protects us, and we aren't using SBP */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	if (!hw->tbi_compatibility_on &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	netdev->mtu = new_mtu;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	hw->max_frame_size = max_frame;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	if (netif_running(netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		e1000_reinit_locked(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
 * e1000_update_stats - Update the board statistics counters
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
void e1000_update_stats(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	unsigned long flags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	u16 phy_tmp;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	/*
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	 * Prevent stats update while adapter is being reset, or if the pci
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	 * connection is down.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	if (adapter->link_speed == 0)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	if (pci_channel_offline(pdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	spin_lock_irqsave(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	/* these counters are modified from e1000_tbi_adjust_stats,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	 * called from the interrupt context, so they must only
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	 * be written while holding adapter->stats_lock
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	adapter->stats.crcerrs += er32(CRCERRS);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	adapter->stats.gprc += er32(GPRC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	adapter->stats.gorcl += er32(GORCL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	adapter->stats.gorch += er32(GORCH);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	adapter->stats.bprc += er32(BPRC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	adapter->stats.mprc += er32(MPRC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	adapter->stats.roc += er32(ROC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	if (hw->mac_type != e1000_ich8lan) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		adapter->stats.prc64 += er32(PRC64);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		adapter->stats.prc127 += er32(PRC127);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
		adapter->stats.prc255 += er32(PRC255);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
		adapter->stats.prc511 += er32(PRC511);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
		adapter->stats.prc1023 += er32(PRC1023);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		adapter->stats.prc1522 += er32(PRC1522);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	adapter->stats.symerrs += er32(SYMERRS);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	adapter->stats.mpc += er32(MPC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	adapter->stats.scc += er32(SCC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	adapter->stats.ecol += er32(ECOL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	adapter->stats.mcc += er32(MCC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	adapter->stats.latecol += er32(LATECOL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	adapter->stats.dc += er32(DC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	adapter->stats.sec += er32(SEC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	adapter->stats.rlec += er32(RLEC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	adapter->stats.xonrxc += er32(XONRXC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	adapter->stats.xontxc += er32(XONTXC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	adapter->stats.xoffrxc += er32(XOFFRXC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	adapter->stats.xofftxc += er32(XOFFTXC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	adapter->stats.fcruc += er32(FCRUC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	adapter->stats.gptc += er32(GPTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	adapter->stats.gotcl += er32(GOTCL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	adapter->stats.gotch += er32(GOTCH);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	adapter->stats.rnbc += er32(RNBC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	adapter->stats.ruc += er32(RUC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	adapter->stats.rfc += er32(RFC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	adapter->stats.rjc += er32(RJC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	adapter->stats.torl += er32(TORL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	adapter->stats.torh += er32(TORH);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	adapter->stats.totl += er32(TOTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	adapter->stats.toth += er32(TOTH);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	adapter->stats.tpr += er32(TPR);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	if (hw->mac_type != e1000_ich8lan) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
		adapter->stats.ptc64 += er32(PTC64);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
		adapter->stats.ptc127 += er32(PTC127);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
		adapter->stats.ptc255 += er32(PTC255);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
		adapter->stats.ptc511 += er32(PTC511);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
		adapter->stats.ptc1023 += er32(PTC1023);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		adapter->stats.ptc1522 += er32(PTC1522);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	adapter->stats.mptc += er32(MPTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	adapter->stats.bptc += er32(BPTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	/* used for adaptive IFS */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	hw->tx_packet_delta = er32(TPT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	adapter->stats.tpt += hw->tx_packet_delta;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	hw->collision_delta = er32(COLC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	adapter->stats.colc += hw->collision_delta;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	if (hw->mac_type >= e1000_82543) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		adapter->stats.algnerrc += er32(ALGNERRC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		adapter->stats.rxerrc += er32(RXERRC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		adapter->stats.tncrs += er32(TNCRS);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		adapter->stats.cexterr += er32(CEXTERR);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		adapter->stats.tsctc += er32(TSCTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
		adapter->stats.tsctfc += er32(TSCTFC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	if (hw->mac_type > e1000_82547_rev_2) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
		adapter->stats.iac += er32(IAC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		adapter->stats.icrxoc += er32(ICRXOC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		if (hw->mac_type != e1000_ich8lan) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			adapter->stats.icrxptc += er32(ICRXPTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
			adapter->stats.icrxatc += er32(ICRXATC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
			adapter->stats.ictxptc += er32(ICTXPTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			adapter->stats.ictxatc += er32(ICTXATC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			adapter->stats.ictxqec += er32(ICTXQEC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	/* Fill out the OS statistics structure */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	adapter->net_stats.multicast = adapter->stats.mprc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	adapter->net_stats.collisions = adapter->stats.colc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	/* Rx Errors */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	/* RLEC on some newer hardware can be incorrect so build
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	* our own version based on RUC and ROC */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
		adapter->stats.crcerrs + adapter->stats.algnerrc +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		adapter->stats.ruc + adapter->stats.roc +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		adapter->stats.cexterr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	/* Tx Errors */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	if (hw->bad_tx_carr_stats_fd &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	    adapter->link_duplex == FULL_DUPLEX) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		adapter->net_stats.tx_carrier_errors = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		adapter->stats.tncrs = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	/* Tx Dropped needs to be maintained elsewhere */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	/* Phy Stats */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	if (hw->media_type == e1000_media_type_copper) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		if ((adapter->link_speed == SPEED_1000) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
			adapter->phy_stats.idle_errors += phy_tmp;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
		if ((hw->mac_type <= e1000_82546) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		   (hw->phy_type == e1000_phy_m88) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
			adapter->phy_stats.receive_errors += phy_tmp;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	/* Management Stats */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	if (hw->has_smbus) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
		adapter->stats.mgptc += er32(MGTPTC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		adapter->stats.mgprc += er32(MGTPRC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		adapter->stats.mgpdc += er32(MGTPDC);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
 * e1000_intr_msi - Interrupt Handler
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
 * @irq: interrupt number
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
 * @data: pointer to a network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
static irqreturn_t e1000_intr_msi(int irq, void *data)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	struct net_device *netdev = data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	u32 icr = er32(ICR);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	/* in NAPI mode read ICR disables interrupts using IAM */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		hw->get_link_status = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		/* 80003ES2LAN workaround-- For packet buffer work-around on
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		 * link down event; disable receives here in the ISR and reset
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		 * adapter in watchdog */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		if (netif_carrier_ok(netdev) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		    (hw->mac_type == e1000_80003es2lan)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
			/* disable receives */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
			u32 rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		/* guard against interrupt when we're going down */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		if (!test_bit(__E1000_DOWN, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		adapter->total_tx_bytes = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		adapter->total_tx_packets = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		adapter->total_rx_bytes = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		adapter->total_rx_packets = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		__netif_rx_schedule(netdev, &adapter->napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	} else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
		e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	return IRQ_HANDLED;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 * e1000_intr - Interrupt Handler
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 * @irq: interrupt number
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
 * @data: pointer to a network interface device structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
static irqreturn_t e1000_intr(int irq, void *data)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	struct net_device *netdev = data;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	u32 rctl, icr = er32(ICR);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
		return IRQ_NONE;  /* Not our interrupt */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	 * not set, then the adapter didn't send an interrupt */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	if (unlikely(hw->mac_type >= e1000_82571 &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	             !(icr & E1000_ICR_INT_ASSERTED)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
		return IRQ_NONE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	 * need for the IMC write */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		hw->get_link_status = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		/* 80003ES2LAN workaround--
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		 * For packet buffer work-around on link down event;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		 * disable receives here in the ISR and
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		 * reset adapter in watchdog
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		if (netif_carrier_ok(netdev) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		    (hw->mac_type == e1000_80003es2lan)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
			/* disable receives */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
			rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		/* guard against interrupt when we're going down */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		if (!test_bit(__E1000_DOWN, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	if (unlikely(hw->mac_type < e1000_82571)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		/* disable interrupts, without the synchronize_irq bit */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		ew32(IMC, ~0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		E1000_WRITE_FLUSH();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		adapter->total_tx_bytes = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		adapter->total_tx_packets = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		adapter->total_rx_bytes = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		adapter->total_rx_packets = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		__netif_rx_schedule(netdev, &adapter->napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	} else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		/* this really should not happen! if it does it is basically a
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		 * bug, but not a hard error, so enable ints and continue */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	return IRQ_HANDLED;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
 * e1000_clean - NAPI Rx polling callback
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
static int e1000_clean(struct napi_struct *napi, int budget)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	struct net_device *poll_dev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	int tx_cleaned = 0, work_done = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	/* Must NOT use netdev_priv macro here. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	adapter = poll_dev->priv;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	/* e1000_clean is called per-cpu.  This lock protects
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	 * tx_ring[0] from being cleaned by multiple cpus
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	 * simultaneously.  A failure obtaining the lock means
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	 * tx_ring[0] is currently being cleaned anyway. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	if (spin_trylock(&adapter->tx_queue_lock)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		tx_cleaned = e1000_clean_tx_irq(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
						&adapter->tx_ring[0]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		spin_unlock(&adapter->tx_queue_lock);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	                  &work_done, budget);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	if (tx_cleaned)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		work_done = budget;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	/* If budget not fully consumed, exit the polling mode */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	if (work_done < budget) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		if (likely(adapter->itr_setting & 3))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
			e1000_set_itr(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		netif_rx_complete(poll_dev, napi);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
		e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	return work_done;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
			       struct e1000_tx_ring *tx_ring)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	struct e1000_tx_desc *tx_desc, *eop_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	unsigned int i, eop;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	unsigned int count = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	bool cleaned = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	unsigned int total_tx_bytes=0, total_tx_packets=0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	i = tx_ring->next_to_clean;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	eop = tx_ring->buffer_info[i].next_to_watch;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
		for (cleaned = false; !cleaned; ) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
			tx_desc = E1000_TX_DESC(*tx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
			buffer_info = &tx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
			cleaned = (i == eop);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
			if (cleaned) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
				struct sk_buff *skb = buffer_info->skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
				unsigned int segs, bytecount;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
				segs = skb_shinfo(skb)->gso_segs ?: 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
				/* multiply data chunks by size of headers */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
				bytecount = ((segs - 1) * skb_headlen(skb)) +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
				            skb->len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
				total_tx_packets += segs;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
				total_tx_bytes += bytecount;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
			tx_desc->upper.data = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
			if (unlikely(++i == tx_ring->count)) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		eop = tx_ring->buffer_info[i].next_to_watch;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
#define E1000_TX_WEIGHT 64
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		/* weight of a sort for tx, to avoid endless transmit cleanup */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		if (count++ == E1000_TX_WEIGHT)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	tx_ring->next_to_clean = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
#define TX_WAKE_THRESHOLD 32
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	if (unlikely(cleaned && netif_carrier_ok(netdev) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		/* Make sure that anybody stopping the queue after this
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		 * sees the new next_to_clean.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		smp_mb();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		if (netif_queue_stopped(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			netif_wake_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			++adapter->restart_queue;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	if (adapter->detect_tx_hung) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		/* Detect a transmit hang in hardware, this serializes the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		 * check with the clearing of time_stamp and movement of i */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		adapter->detect_tx_hung = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		if (tx_ring->buffer_info[eop].dma &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		               (adapter->tx_timeout_factor * HZ))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
			/* detected Tx unit hang */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
					"  Tx Queue             <%lu>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
					"  TDH                  <%x>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
					"  TDT                  <%x>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
					"  next_to_use          <%x>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
					"  next_to_clean        <%x>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
					"buffer_info[next_to_clean]\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
					"  time_stamp           <%lx>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
					"  next_to_watch        <%x>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
					"  jiffies              <%lx>\n"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
					"  next_to_watch.status <%x>\n",
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
				(unsigned long)((tx_ring - adapter->tx_ring) /
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
					sizeof(struct e1000_tx_ring)),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
				readl(hw->hw_addr + tx_ring->tdh),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
				readl(hw->hw_addr + tx_ring->tdt),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
				tx_ring->next_to_use,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
				tx_ring->next_to_clean,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
				tx_ring->buffer_info[eop].time_stamp,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
				eop,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
				jiffies,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
				eop_desc->upper.fields.status);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
			netif_stop_queue(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	adapter->total_tx_bytes += total_tx_bytes;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	adapter->total_tx_packets += total_tx_packets;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	adapter->net_stats.tx_bytes += total_tx_bytes;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	adapter->net_stats.tx_packets += total_tx_packets;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	return cleaned;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
 * e1000_rx_checksum - Receive Checksum Offload for 82543
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
 * @adapter:     board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
 * @status_err:  receive descriptor status and error fields
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
 * @csum:        receive descriptor csum field
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
 * @sk_buff:     socket buffer with received data
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
			      u32 csum, struct sk_buff *skb)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	u16 status = (u16)status_err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	u8 errors = (u8)(status_err >> 24);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	skb->ip_summed = CHECKSUM_NONE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	/* 82543 or newer only */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	if (unlikely(hw->mac_type < e1000_82543)) return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	/* Ignore Checksum bit is set */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	/* TCP/UDP checksum error bit is set */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
		/* let the stack verify checksum errors */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
		adapter->hw_csum_err++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	/* TCP/UDP Checksum has not been calculated */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	if (hw->mac_type <= e1000_82547_rev_2) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		if (!(status & E1000_RXD_STAT_TCPCS))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
			return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
			return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	/* It must be a TCP or UDP packet with a valid checksum */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		/* TCP checksum is good */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
		skb->ip_summed = CHECKSUM_UNNECESSARY;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	} else if (hw->mac_type > e1000_82547_rev_2) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		/* IP fragment with UDP payload */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		/* Hardware complements the payload checksum, so we undo it
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		 * and then put the value in host order for further stack use.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
		__sum16 sum = (__force __sum16)htons(csum);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		skb->csum = csum_unfold(~sum);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		skb->ip_summed = CHECKSUM_COMPLETE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	adapter->hw_csum_good++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
			       struct e1000_rx_ring *rx_ring,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
			       int *work_done, int work_to_do)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	struct e1000_rx_desc *rx_desc, *next_rxd;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	struct e1000_buffer *buffer_info, *next_buffer;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	unsigned long flags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	u32 length;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	u8 last_byte;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	unsigned int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	int cleaned_count = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	bool cleaned = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	unsigned int total_rx_bytes=0, total_rx_packets=0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	i = rx_ring->next_to_clean;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	rx_desc = E1000_RX_DESC(*rx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	while (rx_desc->status & E1000_RXD_STAT_DD) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		struct sk_buff *skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		u8 status;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		if (*work_done >= work_to_do)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
		(*work_done)++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		status = rx_desc->status;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		skb = buffer_info->skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		buffer_info->skb = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
		prefetch(skb->data - NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		if (++i == rx_ring->count) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
		next_rxd = E1000_RX_DESC(*rx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
		prefetch(next_rxd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
		next_buffer = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		cleaned = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
		cleaned_count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		pci_unmap_single(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		                 buffer_info->dma,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
		                 buffer_info->length,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		                 PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
		length = le16_to_cpu(rx_desc->length);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		/* !EOP means multiple descriptors were used to store a single
2255
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4137
		 * packet, also make sure the frame isn't just CRC only */
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4138
		if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
1900
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
			/* All receives must fit into a single buffer */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
			E1000_DBG("%s: Receive packet consumed multiple"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
				  " buffers\n", netdev->name);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
			/* recycle */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
			buffer_info->skb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
			goto next_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
			last_byte = *(skb->data + length - 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
				       last_byte)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
				spin_lock_irqsave(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
				e1000_tbi_adjust_stats(hw, &adapter->stats,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
				                       length, skb->data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
				spin_unlock_irqrestore(&adapter->stats_lock,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
				                       flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
				length--;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
			} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
				/* recycle */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
				buffer_info->skb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
				goto next_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		/* adjust length to remove Ethernet CRC, this must be
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		 * done after the TBI_ACCEPT workaround above */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		length -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		/* probably a little skewed due to removing CRC */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		total_rx_bytes += length;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		total_rx_packets++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		/* code added for copybreak, this should improve
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		 * performance for small packets with large amounts
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		 * of reassembly being done in the stack */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		if (length < copybreak) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
			struct sk_buff *new_skb =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
			if (new_skb) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
				skb_reserve(new_skb, NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
				skb_copy_to_linear_data_offset(new_skb,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
							       -NET_IP_ALIGN,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
							       (skb->data -
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
							        NET_IP_ALIGN),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
							       (length +
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
							        NET_IP_ALIGN));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
				/* save the skb in buffer_info as good */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
				buffer_info->skb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
				skb = new_skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
			/* else just continue with the old one */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		/* end copybreak code */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		skb_put(skb, length);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		/* Receive Checksum Offload */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		e1000_rx_checksum(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
				  (u32)(status) |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
				  ((u32)(rx_desc->errors) << 24),
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
				  le16_to_cpu(rx_desc->csum), skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
		skb->protocol = eth_type_trans(skb, netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		if (unlikely(adapter->vlgrp &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
			    (status & E1000_RXD_STAT_VP))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
						 le16_to_cpu(rx_desc->special));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
			netif_receive_skb(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
		netdev->last_rx = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
next_desc:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
		rx_desc->status = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		/* return some buffers to hardware, one at a time is too slow */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
			cleaned_count = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		/* use prefetched values */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		rx_desc = next_rxd;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		buffer_info = next_buffer;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	rx_ring->next_to_clean = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	if (cleaned_count)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	adapter->total_rx_packets += total_rx_packets;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	adapter->total_rx_bytes += total_rx_bytes;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	adapter->net_stats.rx_bytes += total_rx_bytes;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	adapter->net_stats.rx_packets += total_rx_packets;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	return cleaned;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
 * @adapter: board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
				  struct e1000_rx_ring *rx_ring,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
				  int *work_done, int work_to_do)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
	struct e1000_buffer *buffer_info, *next_buffer;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
	struct e1000_ps_page *ps_page;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
	struct e1000_ps_page_dma *ps_page_dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	struct sk_buff *skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	unsigned int i, j;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
	u32 length, staterr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	int cleaned_count = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	bool cleaned = false;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	unsigned int total_rx_bytes=0, total_rx_packets=0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	i = rx_ring->next_to_clean;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	while (staterr & E1000_RXD_STAT_DD) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		ps_page = &rx_ring->ps_page[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
		ps_page_dma = &rx_ring->ps_page_dma[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		if (unlikely(*work_done >= work_to_do))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
		(*work_done)++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		skb = buffer_info->skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		/* in the packet split case this is header only */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		prefetch(skb->data - NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		if (++i == rx_ring->count) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
		prefetch(next_rxd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		next_buffer = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		cleaned = true;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		cleaned_count++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		pci_unmap_single(pdev, buffer_info->dma,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
				 buffer_info->length,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
				 PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			E1000_DBG("%s: Packet Split buffers didn't pick up"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
				  " the full packet\n", netdev->name);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
			dev_kfree_skb_irq(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
			goto next_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
			dev_kfree_skb_irq(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			goto next_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		length = le16_to_cpu(rx_desc->wb.middle.length0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		if (unlikely(!length)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
			E1000_DBG("%s: Last part of the packet spanning"
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
				  " multiple descriptors\n", netdev->name);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
			dev_kfree_skb_irq(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
			goto next_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		/* Good Receive */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		skb_put(skb, length);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
		{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		/* this looks ugly, but it seems compiler issues make it
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		   more efficient than reusing j */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		/* page alloc/put takes too long and effects small packet
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		 * throughput, so unsplit small packets and save the alloc/put*/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		if (l1 && (l1 <= copybreak) && ((length + l1) <= adapter->rx_ps_bsize0)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			u8 *vaddr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			/* there is no documentation about how to call
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
			 * kmap_atomic, so we can't hold the mapping
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			 * very long */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			pci_dma_sync_single_for_cpu(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
				ps_page_dma->ps_page_dma[0],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
				PAGE_SIZE,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
				PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			vaddr = kmap_atomic(ps_page->ps_page[0],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			                    KM_SKB_DATA_SOFTIRQ);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
			memcpy(skb_tail_pointer(skb), vaddr, l1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
			pci_dma_sync_single_for_device(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
				ps_page_dma->ps_page_dma[0],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
			/* remove the CRC */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
			l1 -= 4;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
			skb_put(skb, l1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
			goto copydone;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
		} /* if */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		for (j = 0; j < adapter->rx_ps_pages; j++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			if (!length)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
			ps_page_dma->ps_page_dma[j] = 0;
2255
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4352
			skb_fill_page_desc(skb, j, ps_page->ps_page[j], 0,
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4353
			                   length);
1900
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
			ps_page->ps_page[j] = NULL;
2255
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4355
			skb->len += length;
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4356
			skb->data_len += length;
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4357
			skb->truesize += length;
1900
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		/* strip the ethernet crc, problem is we're using pages now so
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		 * this whole operation can get a little cpu intensive */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		pskb_trim(skb, skb->len - 4);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
copydone:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		total_rx_bytes += skb->len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		total_rx_packets++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		e1000_rx_checksum(adapter, staterr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		skb->protocol = eth_type_trans(skb, netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		if (likely(rx_desc->wb.upper.header_status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
			adapter->rx_hdr_split++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
				le16_to_cpu(rx_desc->wb.middle.vlan));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
			netif_receive_skb(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		netdev->last_rx = jiffies;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
next_desc:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		buffer_info->skb = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		/* return some buffers to hardware, one at a time is too slow */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			cleaned_count = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		/* use prefetched values */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		rx_desc = next_rxd;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
		buffer_info = next_buffer;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	rx_ring->next_to_clean = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	if (cleaned_count)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	adapter->total_rx_packets += total_rx_packets;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	adapter->total_rx_bytes += total_rx_bytes;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	adapter->net_stats.rx_bytes += total_rx_bytes;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	adapter->net_stats.rx_packets += total_rx_packets;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	return cleaned;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
 * @adapter: address of board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
				   struct e1000_rx_ring *rx_ring,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
				   int cleaned_count)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	struct e1000_rx_desc *rx_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	struct sk_buff *skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	unsigned int i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
	i = rx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	while (cleaned_count--) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		skb = buffer_info->skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		if (skb) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
			skb_trim(skb, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
			goto map_skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		skb = netdev_alloc_skb(netdev, bufsz);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		if (unlikely(!skb)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			/* Better luck next round */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
			adapter->alloc_rx_buff_failed++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		/* Fix for errata 23, can't cross 64kB boundary */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			struct sk_buff *oldskb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
					     "at %p\n", bufsz, skb->data);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
			/* Try again, without freeing the previous */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
			skb = netdev_alloc_skb(netdev, bufsz);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
			/* Failed allocation, critical failure */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
			if (!skb) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
				dev_kfree_skb(oldskb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
				/* give up */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
				dev_kfree_skb(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
				dev_kfree_skb(oldskb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
				break; /* while !buffer_info->skb */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			/* Use new allocation */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			dev_kfree_skb(oldskb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		/* Make buffer alignment 2 beyond a 16 byte boundary
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		 * this will result in a 16 byte aligned IP header after
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		 * the 14 byte MAC header is removed
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		skb_reserve(skb, NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		buffer_info->skb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
		buffer_info->length = adapter->rx_buffer_len;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
map_skb:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		buffer_info->dma = pci_map_single(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
						  skb->data,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
						  adapter->rx_buffer_len,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
						  PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		/* Fix for errata 23, can't cross 64kB boundary */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		if (!e1000_check_64k_bound(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
					(void *)(unsigned long)buffer_info->dma,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
					adapter->rx_buffer_len)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
			DPRINTK(RX_ERR, ERR,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
				"dma align check failed: %u bytes at %p\n",
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
				adapter->rx_buffer_len,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
				(void *)(unsigned long)buffer_info->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
			dev_kfree_skb(skb);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
			buffer_info->skb = NULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
			pci_unmap_single(pdev, buffer_info->dma,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
					 adapter->rx_buffer_len,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
					 PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
			break; /* while !buffer_info->skb */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		rx_desc = E1000_RX_DESC(*rx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		if (unlikely(++i == rx_ring->count))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
			i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
		buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	if (likely(rx_ring->next_to_use != i)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
		rx_ring->next_to_use = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
		if (unlikely(i-- == 0))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
			i = (rx_ring->count - 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		/* Force memory writes to complete before letting h/w
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		 * know there are new descriptors to fetch.  (Only
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
		 * applicable for weak-ordered memory model archs,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		 * such as IA-64). */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		wmb();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		writel(i, hw->hw_addr + rx_ring->rdt);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
 * @adapter: address of board private structure
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
				      struct e1000_rx_ring *rx_ring,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
				      int cleaned_count)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	struct net_device *netdev = adapter->netdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	struct pci_dev *pdev = adapter->pdev;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	union e1000_rx_desc_packet_split *rx_desc;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	struct e1000_buffer *buffer_info;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	struct e1000_ps_page *ps_page;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	struct e1000_ps_page_dma *ps_page_dma;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	struct sk_buff *skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	unsigned int i, j;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	i = rx_ring->next_to_use;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	ps_page = &rx_ring->ps_page[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	ps_page_dma = &rx_ring->ps_page_dma[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	while (cleaned_count--) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
			if (j < adapter->rx_ps_pages) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
				if (likely(!ps_page->ps_page[j])) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
					ps_page->ps_page[j] =
2255
25b351a76050 Added changes in e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1900
diff changeset
  4556
						alloc_page(GFP_ATOMIC);
1900
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
					if (unlikely(!ps_page->ps_page[j])) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
						adapter->alloc_rx_buff_failed++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
						goto no_buffers;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
					}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
					ps_page_dma->ps_page_dma[j] =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
						pci_map_page(pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
							    ps_page->ps_page[j],
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
							    0, PAGE_SIZE,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
							    PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
				}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
				/* Refresh the desc even if buffer_addrs didn't
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
				 * change because each write-back erases
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
				 * this info.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
				 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
				rx_desc->read.buffer_addr[j+1] =
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
				     cpu_to_le64(ps_page_dma->ps_page_dma[j]);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
			} else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		skb = netdev_alloc_skb(netdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		                       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		if (unlikely(!skb)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
			adapter->alloc_rx_buff_failed++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
			break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		/* Make buffer alignment 2 beyond a 16 byte boundary
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		 * this will result in a 16 byte aligned IP header after
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		 * the 14 byte MAC header is removed
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		skb_reserve(skb, NET_IP_ALIGN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		buffer_info->skb = skb;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
		buffer_info->length = adapter->rx_ps_bsize0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		buffer_info->dma = pci_map_single(pdev, skb->data,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
						  adapter->rx_ps_bsize0,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
						  PCI_DMA_FROMDEVICE);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		if (unlikely(++i == rx_ring->count)) i = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		buffer_info = &rx_ring->buffer_info[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		ps_page = &rx_ring->ps_page[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		ps_page_dma = &rx_ring->ps_page_dma[i];
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
no_buffers:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	if (likely(rx_ring->next_to_use != i)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
		rx_ring->next_to_use = i;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		if (unlikely(i-- == 0)) i = (rx_ring->count - 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		/* Force memory writes to complete before letting h/w
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		 * know there are new descriptors to fetch.  (Only
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		 * applicable for weak-ordered memory model archs,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		 * such as IA-64). */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		wmb();
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		/* Hardware increments by 16 bytes, but packet split
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		 * descriptors are 32 bytes...so we increment tail
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		 * twice as much.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		writel(i<<1, hw->hw_addr + rx_ring->rdt);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
 * @adapter:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
static void e1000_smartspeed(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	u16 phy_status;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	u16 phy_ctrl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	if (adapter->smartspeed == 0) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
		/* If Master/Slave config fault is asserted twice,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		 * we assume back-to-back */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
					    phy_ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
			adapter->smartspeed++;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			if (!e1000_phy_setup_autoneg(hw) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			   !e1000_read_phy_reg(hw, PHY_CTRL,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
				   	       &phy_ctrl)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
					     MII_CR_RESTART_AUTO_NEG);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
				e1000_write_phy_reg(hw, PHY_CTRL,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
						    phy_ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		/* If still no link, perhaps using 2/3 pair cable */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		phy_ctrl |= CR_1000T_MS_ENABLE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
		if (!e1000_phy_setup_autoneg(hw) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
				     MII_CR_RESTART_AUTO_NEG);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		adapter->smartspeed = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
 * e1000_ioctl -
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
 * @netdev:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
 * @ifreq:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
 * @cmd:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	switch (cmd) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	case SIOCGMIIPHY:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	case SIOCGMIIREG:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	case SIOCSMIIREG:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		return e1000_mii_ioctl(netdev, ifr, cmd);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		return -EOPNOTSUPP;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
 * e1000_mii_ioctl -
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
 * @netdev:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
 * @ifreq:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
 * @cmd:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
 **/
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
			   int cmd)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	struct mii_ioctl_data *data = if_mii(ifr);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	int retval;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	u16 mii_reg;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	u16 spddplx;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	unsigned long flags;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	if (hw->media_type != e1000_media_type_copper)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		return -EOPNOTSUPP;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	switch (cmd) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	case SIOCGMIIPHY:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		data->phy_id = hw->phy_addr;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	case SIOCGMIIREG:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		if (!capable(CAP_NET_ADMIN))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
			return -EPERM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		spin_lock_irqsave(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
				   &data->val_out)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
			return -EIO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	case SIOCSMIIREG:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		if (!capable(CAP_NET_ADMIN))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
			return -EPERM;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		if (data->reg_num & ~(0x1F))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
			return -EFAULT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		mii_reg = data->val_in;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		spin_lock_irqsave(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
		if (e1000_write_phy_reg(hw, data->reg_num,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
					mii_reg)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
			return -EIO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		if (hw->media_type == e1000_media_type_copper) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
			switch (data->reg_num) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
			case PHY_CTRL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
				if (mii_reg & MII_CR_POWER_DOWN)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
					hw->autoneg = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
					hw->autoneg_advertised = 0x2F;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
				} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
					if (mii_reg & 0x40)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
						spddplx = SPEED_1000;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
					else if (mii_reg & 0x2000)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
						spddplx = SPEED_100;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
					else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
						spddplx = SPEED_10;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
					spddplx += (mii_reg & 0x100)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
						   ? DUPLEX_FULL :
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
						   DUPLEX_HALF;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
					retval = e1000_set_spd_dplx(adapter,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
								    spddplx);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
					if (retval)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
						return retval;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
				}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
				if (netif_running(adapter->netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
					e1000_reinit_locked(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
				else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
					e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
			case M88E1000_PHY_SPEC_CTRL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
			case M88E1000_EXT_PHY_SPEC_CTRL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
				if (e1000_phy_reset(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
					return -EIO;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
			switch (data->reg_num) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
			case PHY_CTRL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
				if (mii_reg & MII_CR_POWER_DOWN)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
					break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
				if (netif_running(adapter->netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
					e1000_reinit_locked(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
				else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
					e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
				break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
		return -EOPNOTSUPP;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	return E1000_SUCCESS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
void e1000_pci_set_mwi(struct e1000_hw *hw)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	struct e1000_adapter *adapter = hw->back;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	int ret_val = pci_set_mwi(adapter->pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	if (ret_val)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
void e1000_pci_clear_mwi(struct e1000_hw *hw)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	struct e1000_adapter *adapter = hw->back;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	pci_clear_mwi(adapter->pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	struct e1000_adapter *adapter = hw->back;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	return pcix_get_mmrbc(adapter->pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	struct e1000_adapter *adapter = hw->back;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	pcix_set_mmrbc(adapter->pdev, mmrbc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
    struct e1000_adapter *adapter = hw->back;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
    u16 cap_offset;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
    if (!cap_offset)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
        return -E1000_ERR_CONFIG;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
    return E1000_SUCCESS;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	outl(value, port);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
static void e1000_vlan_rx_register(struct net_device *netdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
				   struct vlan_group *grp)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	u32 ctrl, rctl;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	if (!test_bit(__E1000_DOWN, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		e1000_irq_disable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	adapter->vlgrp = grp;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	if (grp) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		/* enable VLAN tag insert/strip */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
		ctrl = er32(CTRL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		ctrl |= E1000_CTRL_VME;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		ew32(CTRL, ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
		if (adapter->hw.mac_type != e1000_ich8lan) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
			/* enable VLAN receive filtering */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
			rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
			rctl &= ~E1000_RCTL_CFIEN;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
			ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
			e1000_update_mng_vlan(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		/* disable VLAN tag insert/strip */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		ctrl = er32(CTRL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		ctrl &= ~E1000_CTRL_VME;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		ew32(CTRL, ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		if (adapter->hw.mac_type != e1000_ich8lan) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
			if (adapter->mng_vlan_id !=
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
			    (u16)E1000_MNG_VLAN_NONE) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
				e1000_vlan_rx_kill_vid(netdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
				                       adapter->mng_vlan_id);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
			}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
	if (!test_bit(__E1000_DOWN, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
		e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	u32 vfta, index;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	if ((hw->mng_cookie.status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	    (vid == adapter->mng_vlan_id))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	/* add VID to filter table */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	index = (vid >> 5) & 0x7F;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	vfta |= (1 << (vid & 0x1F));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	e1000_write_vfta(hw, index, vfta);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	u32 vfta, index;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	if (!test_bit(__E1000_DOWN, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
		e1000_irq_disable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	if (!test_bit(__E1000_DOWN, &adapter->flags))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		e1000_irq_enable(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	if ((hw->mng_cookie.status &
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	    (vid == adapter->mng_vlan_id)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
		/* release control to f/w */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
		e1000_release_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
		return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	/* remove VID from filter table */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	index = (vid >> 5) & 0x7F;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	vfta &= ~(1 << (vid & 0x1F));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	e1000_write_vfta(hw, index, vfta);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
static void e1000_restore_vlan(struct e1000_adapter *adapter)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	if (adapter->vlgrp) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		u16 vid;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
			if (!vlan_group_get_device(adapter->vlgrp, vid))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
				continue;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	hw->autoneg = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	/* Fiber NICs only allow 1000 gbps Full duplex */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
	if ((hw->media_type == e1000_media_type_fiber) &&
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		return -EINVAL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	switch (spddplx) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	case SPEED_10 + DUPLEX_HALF:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		hw->forced_speed_duplex = e1000_10_half;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	case SPEED_10 + DUPLEX_FULL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
		hw->forced_speed_duplex = e1000_10_full;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	case SPEED_100 + DUPLEX_HALF:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		hw->forced_speed_duplex = e1000_100_half;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	case SPEED_100 + DUPLEX_FULL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		hw->forced_speed_duplex = e1000_100_full;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	case SPEED_1000 + DUPLEX_FULL:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		hw->autoneg = 1;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		break;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	default:
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		return -EINVAL;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	struct net_device *netdev = pci_get_drvdata(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	u32 ctrl, ctrl_ext, rctl, status;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	u32 wufc = adapter->wol;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
#ifdef CONFIG_PM
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	int retval = 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	netif_device_detach(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	if (netif_running(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
		e1000_down(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
#ifdef CONFIG_PM
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	retval = pci_save_state(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	if (retval)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		return retval;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	status = er32(STATUS);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	if (status & E1000_STATUS_LU)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
		wufc &= ~E1000_WUFC_LNKC;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	if (wufc) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
		e1000_setup_rctl(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
		e1000_set_rx_mode(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		/* turn on all-multi mode if wake on multicast is enabled */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
		if (wufc & E1000_WUFC_MC) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
			rctl = er32(RCTL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
			rctl |= E1000_RCTL_MPE;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
			ew32(RCTL, rctl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
		if (hw->mac_type >= e1000_82540) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
			ctrl = er32(CTRL);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
			/* advertise wake from D3Cold */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
			#define E1000_CTRL_ADVD3WUC 0x00100000
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
			/* phy power management enable */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
			ctrl |= E1000_CTRL_ADVD3WUC |
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
				E1000_CTRL_EN_PHY_PWR_MGMT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
			ew32(CTRL, ctrl);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
		if (hw->media_type == e1000_media_type_fiber ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
		   hw->media_type == e1000_media_type_internal_serdes) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
			/* keep the laser running in D3 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
			ctrl_ext = er32(CTRL_EXT);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
			ew32(CTRL_EXT, ctrl_ext);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
		/* Allow time for pending master requests to run */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
		e1000_disable_pciex_master(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
		ew32(WUC, E1000_WUC_PME_EN);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
		ew32(WUFC, wufc);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		pci_enable_wake(pdev, PCI_D3hot, 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
		pci_enable_wake(pdev, PCI_D3cold, 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	} else {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		ew32(WUC, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
		ew32(WUFC, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		pci_enable_wake(pdev, PCI_D3hot, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
		pci_enable_wake(pdev, PCI_D3cold, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	e1000_release_manageability(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	/* make sure adapter isn't asleep if manageability is enabled */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	if (adapter->en_mng_pt) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
		pci_enable_wake(pdev, PCI_D3hot, 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		pci_enable_wake(pdev, PCI_D3cold, 1);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	if (hw->phy_type == e1000_phy_igp_3)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		e1000_phy_powerdown_workaround(hw);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	if (netif_running(netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		e1000_free_irq(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	 * would have already happened in close and is redundant. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	e1000_release_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	pci_disable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
#ifdef CONFIG_PM
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
static int e1000_resume(struct pci_dev *pdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
	struct net_device *netdev = pci_get_drvdata(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	u32 err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	pci_set_power_state(pdev, PCI_D0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	pci_restore_state(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	if (adapter->need_ioport)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
		err = pci_enable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		err = pci_enable_device_mem(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
		return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
	pci_set_master(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
	pci_enable_wake(pdev, PCI_D3hot, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	pci_enable_wake(pdev, PCI_D3cold, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	if (netif_running(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
		err = e1000_request_irq(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
		if (err)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
			return err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	e1000_power_up_phy(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	ew32(WUS, ~0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	e1000_init_manageability(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	if (netif_running(netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
		e1000_up(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	netif_device_attach(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	/* If the controller is 82573 and f/w is AMT, do not set
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	 * DRV_LOAD until the interface is up.  For all other cases,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	 * let the f/w know that the h/w is now under the control
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	 * of the driver. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	if (hw->mac_type != e1000_82573 ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	    !e1000_check_mng_mode(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		e1000_get_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
	return 0;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
static void e1000_shutdown(struct pci_dev *pdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
	e1000_suspend(pdev, PMSG_SUSPEND);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
#ifdef CONFIG_NET_POLL_CONTROLLER
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
/*
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
 * Polling 'interrupt' - used by things like netconsole to send skbs
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
 * without having to re-enable interrupts. It's not called while
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
 * the interrupt routine is executing.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
static void e1000_netpoll(struct net_device *netdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	struct e1000_adapter *adapter = netdev_priv(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	disable_irq(adapter->pdev->irq);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	e1000_intr(adapter->pdev->irq, netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	enable_irq(adapter->pdev->irq);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
#endif
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
 * e1000_io_error_detected - called when PCI error is detected
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
 * @pdev: Pointer to PCI device
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
 * @state: The current pci conneection state
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
 * This function is called after a PCI bus error affecting
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
 * this device has been detected.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
						pci_channel_state_t state)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	struct net_device *netdev = pci_get_drvdata(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	struct e1000_adapter *adapter = netdev->priv;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	netif_device_detach(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	if (netif_running(netdev))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
		e1000_down(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	pci_disable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	/* Request a slot slot reset. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	return PCI_ERS_RESULT_NEED_RESET;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
 * e1000_io_slot_reset - called after the pci bus has been reset.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
 * @pdev: Pointer to PCI device
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
 * Restart the card from scratch, as if from a cold-boot. Implementation
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
 * resembles the first-half of the e1000_resume routine.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	struct net_device *netdev = pci_get_drvdata(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	struct e1000_adapter *adapter = netdev->priv;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	int err;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	if (adapter->need_ioport)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		err = pci_enable_device(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	else
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
		err = pci_enable_device_mem(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
	if (err) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
		return PCI_ERS_RESULT_DISCONNECT;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	pci_set_master(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	pci_enable_wake(pdev, PCI_D3hot, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	pci_enable_wake(pdev, PCI_D3cold, 0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	e1000_reset(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	ew32(WUS, ~0);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	return PCI_ERS_RESULT_RECOVERED;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
/**
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
 * e1000_io_resume - called when traffic can start flowing again.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
 * @pdev: Pointer to PCI device
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
 *
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
 * This callback is called when the error recovery driver tells us that
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
 * its OK to resume normal operation. Implementation resembles the
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
 * second-half of the e1000_resume routine.
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
 */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
static void e1000_io_resume(struct pci_dev *pdev)
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
{
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	struct net_device *netdev = pci_get_drvdata(pdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	struct e1000_adapter *adapter = netdev->priv;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
	struct e1000_hw *hw = &adapter->hw;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	e1000_init_manageability(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	if (netif_running(netdev)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		if (e1000_up(adapter)) {
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
			printk("e1000: can't bring device back up after reset\n");
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
			return;
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
		}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	netif_device_attach(netdev);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	/* If the controller is 82573 and f/w is AMT, do not set
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	 * DRV_LOAD until the interface is up.  For all other cases,
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	 * let the f/w know that the h/w is now under the control
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	 * of the driver. */
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	if (hw->mac_type != e1000_82573 ||
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	    !e1000_check_mng_mode(hw))
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
		e1000_get_hw_control(adapter);
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
}
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
25f848e2fbf4 Added e1000 driver for 2.6.27.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
/* e1000_main.c */