devices/e1000/e1000_main-2.6.29-ethercat.c
author Andreas Stewering-Bone <ab@igh-essen.com>
Wed, 25 May 2011 09:54:47 +0200
changeset 2072 4adb56c4198d
child 2162 3f90ae16e997
permissions -rwxr-xr-x
Add e1000 for 2.6.29
Thanks to Mr Benner (Company Moehwald, Germany)
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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 "e1000-2.6.29-ethercat.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-k3-NAPI"
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const char e1000_driver_version[] = DRV_VERSION;
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static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static struct pci_device_id e1000_pci_tbl[] = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	/* required last entry */
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	{0,}
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};
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// do not auto-load driver
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// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_rx_mode(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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void ec_poll(struct net_device *);
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static irqreturn_t e1000_intr(int irq, void *data);
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static irqreturn_t e1000_intr_msi(int irq, void *data);
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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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                                   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	struct net_device *netdev = adapter->netdev;
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	irq_handler_t handler = e1000_intr;
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	int irq_flags = IRQF_SHARED;
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	int err;
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 	if (adapter->ecdev)
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 		return 0;
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	if (hw->mac_type >= e1000_82571) {
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		adapter->have_msi = !pci_enable_msi(adapter->pdev);
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		if (adapter->have_msi) {
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			handler = e1000_intr_msi;
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			irq_flags = 0;
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		}
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	}
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	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
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	                  netdev);
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	if (err) {
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		if (adapter->have_msi)
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			pci_disable_msi(adapter->pdev);
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		DPRINTK(PROBE, ERR,
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		        "Unable to allocate interrupt Error: %d\n", err);
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	}
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	return err;
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}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	if (adapter->ecdev)
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		return;
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	free_irq(adapter->pdev->irq, netdev);
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	if (adapter->have_msi)
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		pci_disable_msi(adapter->pdev);
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}
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/**
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 * e1000_irq_disable - Mask off interrupt generation on the NIC
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 * @adapter: board private structure
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 **/
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static void e1000_irq_disable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->ecdev)
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		return;
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	ew32(IMC, ~0);
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	E1000_WRITE_FLUSH();
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	synchronize_irq(adapter->pdev->irq);
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}
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/**
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 * e1000_irq_enable - Enable default interrupt generation settings
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 * @adapter: board private structure
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 **/
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static void e1000_irq_enable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->ecdev)
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		return;
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	ew32(IMS, IMS_ENABLE_MASK);
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	E1000_WRITE_FLUSH();
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}
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static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	struct net_device *netdev = adapter->netdev;
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	u16 vid = hw->mng_cookie.vlan_id;
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	u16 old_vid = adapter->mng_vlan_id;
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	if (adapter->vlgrp) {
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		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
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   339
			if (hw->mng_cookie.status &
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				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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				e1000_vlan_rx_add_vid(netdev, vid);
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				adapter->mng_vlan_id = vid;
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			} else
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				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   345
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			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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					(vid != old_vid) &&
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			    !vlan_group_get_device(adapter->vlgrp, old_vid))
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				e1000_vlan_rx_kill_vid(netdev, old_vid);
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		} else
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			adapter->mng_vlan_id = vid;
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	}
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}
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   354
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/**
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   356
 * e1000_release_hw_control - release control of the h/w to f/w
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   357
 * @adapter: address of board private structure
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   358
 *
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   359
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
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   360
 * For ASF and Pass Through versions of f/w this means that the
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   361
 * driver is no longer loaded. For AMT version (only with 82573) i
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   362
 * of the f/w this means that the network i/f is closed.
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   363
 *
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 **/
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   365
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   366
static void e1000_release_hw_control(struct e1000_adapter *adapter)
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{
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	u32 ctrl_ext;
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	u32 swsm;
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	struct e1000_hw *hw = &adapter->hw;
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   371
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	/* Let firmware taken over control of h/w */
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   373
	switch (hw->mac_type) {
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   374
	case e1000_82573:
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diff changeset
   375
		swsm = er32(SWSM);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   376
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   377
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   378
	case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   379
	case e1000_82572:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   380
	case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   381
	case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   382
		ctrl_ext = er32(CTRL_EXT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   383
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   384
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   385
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   386
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   387
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   388
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   389
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   390
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   391
 * e1000_get_hw_control - get control of the h/w from f/w
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   392
 * @adapter: address of board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   393
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   394
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   395
 * For ASF and Pass Through versions of f/w this means that
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   396
 * the driver is loaded. For AMT version (only with 82573)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   397
 * of the f/w this means that the network i/f is open.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   398
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   399
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   400
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   401
static void e1000_get_hw_control(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   402
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   403
	u32 ctrl_ext;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   404
	u32 swsm;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   405
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   406
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   407
	/* Let firmware know the driver has taken over */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   408
	switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   409
	case e1000_82573:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   410
		swsm = er32(SWSM);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   411
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   412
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   413
	case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   414
	case e1000_82572:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   415
	case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   416
	case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   417
		ctrl_ext = er32(CTRL_EXT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   418
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   419
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   420
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   421
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   422
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   423
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   424
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   425
static void e1000_init_manageability(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   426
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   427
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   428
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   429
	if (adapter->en_mng_pt) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   430
		u32 manc = er32(MANC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   431
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   432
		/* disable hardware interception of ARP */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   433
		manc &= ~(E1000_MANC_ARP_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   434
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   435
		/* enable receiving management packets to the host */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   436
		/* this will probably generate destination unreachable messages
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   437
		 * from the host OS, but the packets will be handled on SMBUS */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   438
		if (hw->has_manc2h) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   439
			u32 manc2h = er32(MANC2H);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   440
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   441
			manc |= E1000_MANC_EN_MNG2HOST;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   442
#define E1000_MNG2HOST_PORT_623 (1 << 5)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   443
#define E1000_MNG2HOST_PORT_664 (1 << 6)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   444
			manc2h |= E1000_MNG2HOST_PORT_623;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   445
			manc2h |= E1000_MNG2HOST_PORT_664;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   446
			ew32(MANC2H, manc2h);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   447
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   448
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   449
		ew32(MANC, manc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   450
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   451
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   452
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   453
static void e1000_release_manageability(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   454
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   455
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   456
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   457
	if (adapter->en_mng_pt) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   458
		u32 manc = er32(MANC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   459
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   460
		/* re-enable hardware interception of ARP */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   461
		manc |= E1000_MANC_ARP_EN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   462
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   463
		if (hw->has_manc2h)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   464
			manc &= ~E1000_MANC_EN_MNG2HOST;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   465
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   466
		/* don't explicitly have to mess with MANC2H since
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   467
		 * MANC has an enable disable that gates MANC2H */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   468
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   469
		ew32(MANC, manc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   470
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   471
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   472
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   473
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   474
 * e1000_configure - configure the hardware for RX and TX
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   475
 * @adapter = private board structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   476
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   477
static void e1000_configure(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   478
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   479
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   480
	int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   481
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   482
	e1000_set_rx_mode(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   483
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   484
	e1000_restore_vlan(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   485
	e1000_init_manageability(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   486
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   487
	e1000_configure_tx(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   488
	e1000_setup_rctl(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   489
	e1000_configure_rx(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   490
	/* call E1000_DESC_UNUSED which always leaves
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   491
	 * at least 1 descriptor unused to make sure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   492
	 * next_to_use != next_to_clean */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   493
	for (i = 0; i < adapter->num_rx_queues; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   494
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   495
		if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   496
			/* fill rx ring completely! */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   497
			adapter->alloc_rx_buf(adapter, ring, ring->count);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   498
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   499
            /* this one leaves the last ring element unallocated! */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   500
			adapter->alloc_rx_buf(adapter, ring,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   501
					E1000_DESC_UNUSED(ring));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   502
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   503
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   504
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   505
	adapter->tx_queue_len = netdev->tx_queue_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   506
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   507
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   508
int e1000_up(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   509
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   510
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   511
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   512
	/* hardware has been reset, we need to reload some things */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   513
	e1000_configure(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   514
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   515
	clear_bit(__E1000_DOWN, &adapter->flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   516
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   517
	if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   518
		napi_enable(&adapter->napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   519
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   520
		e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   521
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   522
		/* fire a link change interrupt to start the watchdog */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   523
		ew32(ICS, E1000_ICS_LSC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   524
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   525
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   526
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   527
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   528
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   529
 * e1000_power_up_phy - restore link in case the phy was powered down
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   530
 * @adapter: address of board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   531
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   532
 * The phy may be powered down to save power and turn off link when the
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   533
 * driver is unloaded and wake on lan is not enabled (among others)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   534
 * *** this routine MUST be followed by a call to e1000_reset ***
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   535
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   536
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   537
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   538
void e1000_power_up_phy(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   539
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   540
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   541
	u16 mii_reg = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   542
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   543
	/* Just clear the power down bit to wake the phy back up */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   544
	if (hw->media_type == e1000_media_type_copper) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   545
		/* according to the manual, the phy will retain its
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   546
		 * settings across a power-down/up cycle */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   547
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   548
		mii_reg &= ~MII_CR_POWER_DOWN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   549
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   550
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   551
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   552
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   553
static void e1000_power_down_phy(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   554
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   555
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   556
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   557
	/* Power down the PHY so no link is implied when interface is down *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   558
	 * The PHY cannot be powered down if any of the following is true *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   559
	 * (a) WoL is enabled
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   560
	 * (b) AMT is active
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   561
	 * (c) SoL/IDER session is active */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   562
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   563
	   hw->media_type == e1000_media_type_copper) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   564
		u16 mii_reg = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   565
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   566
		switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   567
		case e1000_82540:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   568
		case e1000_82545:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   569
		case e1000_82545_rev_3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   570
		case e1000_82546:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   571
		case e1000_82546_rev_3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   572
		case e1000_82541:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   573
		case e1000_82541_rev_2:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   574
		case e1000_82547:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   575
		case e1000_82547_rev_2:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   576
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   577
				goto out;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   578
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   579
		case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   580
		case e1000_82572:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   581
		case e1000_82573:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   582
		case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   583
		case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   584
			if (e1000_check_mng_mode(hw) ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   585
			    e1000_check_phy_reset_block(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   586
				goto out;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   587
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   588
		default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   589
			goto out;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   590
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   591
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   592
		mii_reg |= MII_CR_POWER_DOWN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   593
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   594
		mdelay(1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   595
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   596
out:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   597
	return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   598
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   599
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   600
void e1000_down(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   601
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   602
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   603
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   604
	/* signal that we're down so the interrupt handler does not
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   605
	 * reschedule our watchdog timer */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   606
	set_bit(__E1000_DOWN, &adapter->flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   607
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   608
	if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   609
		napi_disable(&adapter->napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   610
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   611
		e1000_irq_disable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   612
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   613
		del_timer_sync(&adapter->tx_fifo_stall_timer);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   614
		del_timer_sync(&adapter->watchdog_timer);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   615
		del_timer_sync(&adapter->phy_info_timer);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   616
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   617
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   618
	netdev->tx_queue_len = adapter->tx_queue_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   619
	adapter->link_speed = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   620
	adapter->link_duplex = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   621
 	if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   622
		netif_carrier_off(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   623
		netif_stop_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   624
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   625
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   626
	e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   627
	e1000_clean_all_tx_rings(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   628
	e1000_clean_all_rx_rings(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   629
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   630
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   631
void e1000_reinit_locked(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   632
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   633
	WARN_ON(in_interrupt());
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   634
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   635
		msleep(1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   636
	e1000_down(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   637
	e1000_up(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   638
	clear_bit(__E1000_RESETTING, &adapter->flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   639
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   640
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   641
void e1000_reset(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   642
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   643
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   644
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   645
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   646
	bool legacy_pba_adjust = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   647
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   648
	/* Repartition Pba for greater than 9k mtu
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   649
	 * To take effect CTRL.RST is required.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   650
	 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   651
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   652
	switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   653
	case e1000_82542_rev2_0:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   654
	case e1000_82542_rev2_1:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   655
	case e1000_82543:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   656
	case e1000_82544:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   657
	case e1000_82540:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   658
	case e1000_82541:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   659
	case e1000_82541_rev_2:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   660
		legacy_pba_adjust = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   661
		pba = E1000_PBA_48K;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   662
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   663
	case e1000_82545:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   664
	case e1000_82545_rev_3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   665
	case e1000_82546:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   666
	case e1000_82546_rev_3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   667
		pba = E1000_PBA_48K;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   668
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   669
	case e1000_82547:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   670
	case e1000_82547_rev_2:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   671
		legacy_pba_adjust = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   672
		pba = E1000_PBA_30K;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   673
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   674
	case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   675
	case e1000_82572:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   676
	case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   677
		pba = E1000_PBA_38K;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   678
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   679
	case e1000_82573:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   680
		pba = E1000_PBA_20K;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   681
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   682
	case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   683
		pba = E1000_PBA_8K;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   684
	case e1000_undefined:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   685
	case e1000_num_macs:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   686
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   687
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   688
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   689
	if (legacy_pba_adjust) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   690
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   691
			pba -= 8; /* allocate more FIFO for Tx */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   692
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   693
		if (hw->mac_type == e1000_82547) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   694
			adapter->tx_fifo_head = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   695
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   696
			adapter->tx_fifo_size =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   697
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   698
			atomic_set(&adapter->tx_fifo_stall, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   699
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   700
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   701
		/* adjust PBA for jumbo frames */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   702
		ew32(PBA, pba);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   703
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   704
		/* To maintain wire speed transmits, the Tx FIFO should be
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   705
		 * large enough to accomodate two full transmit packets,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   706
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   707
		 * the Rx FIFO should be large enough to accomodate at least
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   708
		 * one full receive packet and is similarly rounded up and
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   709
		 * expressed in KB. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   710
		pba = er32(PBA);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   711
		/* upper 16 bits has Tx packet buffer allocation size in KB */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   712
		tx_space = pba >> 16;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   713
		/* lower 16 bits has Rx packet buffer allocation size in KB */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   714
		pba &= 0xffff;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   715
		/* don't include ethernet FCS because hardware appends/strips */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   716
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   717
		               VLAN_TAG_SIZE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   718
		min_tx_space = min_rx_space;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   719
		min_tx_space *= 2;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   720
		min_tx_space = ALIGN(min_tx_space, 1024);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   721
		min_tx_space >>= 10;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   722
		min_rx_space = ALIGN(min_rx_space, 1024);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   723
		min_rx_space >>= 10;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   724
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   725
		/* If current Tx allocation is less than the min Tx FIFO size,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   726
		 * and the min Tx FIFO size is less than the current Rx FIFO
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   727
		 * allocation, take space away from current Rx allocation */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   728
		if (tx_space < min_tx_space &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   729
		    ((min_tx_space - tx_space) < pba)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   730
			pba = pba - (min_tx_space - tx_space);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   731
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   732
			/* PCI/PCIx hardware has PBA alignment constraints */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   733
			switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   734
			case e1000_82545 ... e1000_82546_rev_3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   735
				pba &= ~(E1000_PBA_8K - 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   736
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   737
			default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   738
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   739
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   740
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   741
			/* if short on rx space, rx wins and must trump tx
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   742
			 * adjustment or use Early Receive if available */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   743
			if (pba < min_rx_space) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   744
				switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   745
				case e1000_82573:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   746
					/* ERT enabled in e1000_configure_rx */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   747
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   748
				default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   749
					pba = min_rx_space;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   750
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   751
				}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   752
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   753
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   754
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   755
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   756
	ew32(PBA, pba);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   757
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   758
	/* flow control settings */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   759
	/* Set the FC high water mark to 90% of the FIFO size.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   760
	 * Required to clear last 3 LSB */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   761
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   762
	/* We can't use 90% on small FIFOs because the remainder
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   763
	 * would be less than 1 full frame.  In this case, we size
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   764
	 * it to allow at least a full frame above the high water
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   765
	 *  mark. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   766
	if (pba < E1000_PBA_16K)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   767
		fc_high_water_mark = (pba * 1024) - 1600;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   768
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   769
	hw->fc_high_water = fc_high_water_mark;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   770
	hw->fc_low_water = fc_high_water_mark - 8;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   771
	if (hw->mac_type == e1000_80003es2lan)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   772
		hw->fc_pause_time = 0xFFFF;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   773
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   774
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   775
	hw->fc_send_xon = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   776
	hw->fc = hw->original_fc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   777
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   778
	/* Allow time for pending master requests to run */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   779
	e1000_reset_hw(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   780
	if (hw->mac_type >= e1000_82544)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   781
		ew32(WUC, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   782
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   783
	if (e1000_init_hw(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   784
		DPRINTK(PROBE, ERR, "Hardware Error\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   785
	e1000_update_mng_vlan(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   786
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   787
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   788
	if (hw->mac_type >= e1000_82544 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   789
	    hw->mac_type <= e1000_82547_rev_2 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   790
	    hw->autoneg == 1 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   791
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   792
		u32 ctrl = er32(CTRL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   793
		/* clear phy power management bit if we are in gig only mode,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   794
		 * which if enabled will attempt negotiation to 100Mb, which
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   795
		 * can cause a loss of link at power off or driver unload */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   796
		ctrl &= ~E1000_CTRL_SWDPIN3;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   797
		ew32(CTRL, ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   798
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   799
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   800
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   801
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   802
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   803
	e1000_reset_adaptive(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   804
	e1000_phy_get_info(hw, &adapter->phy_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   805
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   806
	if (!adapter->smart_power_down &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   807
	    (hw->mac_type == e1000_82571 ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   808
	     hw->mac_type == e1000_82572)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   809
		u16 phy_data = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   810
		/* speed up time to link by disabling smart power down, ignore
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   811
		 * the return value of this function because there is nothing
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   812
		 * different we would do if it failed */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   813
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   814
		                   &phy_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   815
		phy_data &= ~IGP02E1000_PM_SPD;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   816
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   817
		                    phy_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   818
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   819
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   820
	e1000_release_manageability(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   821
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   822
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   823
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   824
 *  Dump the eeprom for users having checksum issues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   825
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   826
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   827
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   828
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   829
	struct ethtool_eeprom eeprom;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   830
	const struct ethtool_ops *ops = netdev->ethtool_ops;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   831
	u8 *data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   832
	int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   833
	u16 csum_old, csum_new = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   834
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   835
	eeprom.len = ops->get_eeprom_len(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   836
	eeprom.offset = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   837
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   838
	data = kmalloc(eeprom.len, GFP_KERNEL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   839
	if (!data) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   840
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   841
		       " data\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   842
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   843
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   844
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   845
	ops->get_eeprom(netdev, &eeprom, data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   846
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   847
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   848
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   849
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   850
		csum_new += data[i] + (data[i + 1] << 8);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   851
	csum_new = EEPROM_SUM - csum_new;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   852
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   853
	printk(KERN_ERR "/*********************/\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   854
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   855
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   856
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   857
	printk(KERN_ERR "Offset    Values\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   858
	printk(KERN_ERR "========  ======\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   859
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   860
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   861
	printk(KERN_ERR "Include this output when contacting your support "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   862
	       "provider.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   863
	printk(KERN_ERR "This is not a software error! Something bad "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   864
	       "happened to your hardware or\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   865
	printk(KERN_ERR "EEPROM image. Ignoring this "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   866
	       "problem could result in further problems,\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   867
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   868
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   869
	       "which is invalid\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   870
	printk(KERN_ERR "and requires you to set the proper MAC "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   871
	       "address manually before continuing\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   872
	printk(KERN_ERR "to enable this network device.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   873
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   874
	       "to your hardware vendor\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   875
	printk(KERN_ERR "or Intel Customer Support.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   876
	printk(KERN_ERR "/*********************/\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   877
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   878
	kfree(data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   879
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   880
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   881
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   882
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   883
 * @pdev: PCI device information struct
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   884
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   885
 * Return true if an adapter needs ioport resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   886
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   887
static int e1000_is_need_ioport(struct pci_dev *pdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   888
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   889
	switch (pdev->device) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   890
	case E1000_DEV_ID_82540EM:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   891
	case E1000_DEV_ID_82540EM_LOM:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   892
	case E1000_DEV_ID_82540EP:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   893
	case E1000_DEV_ID_82540EP_LOM:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   894
	case E1000_DEV_ID_82540EP_LP:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   895
	case E1000_DEV_ID_82541EI:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   896
	case E1000_DEV_ID_82541EI_MOBILE:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   897
	case E1000_DEV_ID_82541ER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   898
	case E1000_DEV_ID_82541ER_LOM:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   899
	case E1000_DEV_ID_82541GI:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   900
	case E1000_DEV_ID_82541GI_LF:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   901
	case E1000_DEV_ID_82541GI_MOBILE:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   902
	case E1000_DEV_ID_82544EI_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   903
	case E1000_DEV_ID_82544EI_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   904
	case E1000_DEV_ID_82544GC_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   905
	case E1000_DEV_ID_82544GC_LOM:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   906
	case E1000_DEV_ID_82545EM_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   907
	case E1000_DEV_ID_82545EM_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   908
	case E1000_DEV_ID_82546EB_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   909
	case E1000_DEV_ID_82546EB_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   910
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   911
		return true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   912
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   913
		return false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   914
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   915
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   916
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   917
static const struct net_device_ops e1000_netdev_ops = {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   918
	.ndo_open		= e1000_open,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   919
	.ndo_stop		= e1000_close,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   920
	.ndo_start_xmit		= e1000_xmit_frame,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   921
	.ndo_get_stats		= e1000_get_stats,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   922
	.ndo_set_rx_mode	= e1000_set_rx_mode,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   923
	.ndo_set_mac_address	= e1000_set_mac,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   924
	.ndo_tx_timeout 	= e1000_tx_timeout,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   925
	.ndo_change_mtu		= e1000_change_mtu,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   926
	.ndo_do_ioctl		= e1000_ioctl,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   927
	.ndo_validate_addr	= eth_validate_addr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   928
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   929
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   930
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   931
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   932
#ifdef CONFIG_NET_POLL_CONTROLLER
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   933
	.ndo_poll_controller	= e1000_netpoll,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   934
#endif
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   935
};
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   936
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   937
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   938
 * e1000_probe - Device Initialization Routine
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   939
 * @pdev: PCI device information struct
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   940
 * @ent: entry in e1000_pci_tbl
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   941
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   942
 * Returns 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   943
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   944
 * e1000_probe initializes an adapter identified by a pci_dev structure.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   945
 * The OS initialization, configuring of the adapter private structure,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   946
 * and a hardware reset occur.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   947
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   948
static int __devinit e1000_probe(struct pci_dev *pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   949
				 const struct pci_device_id *ent)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   950
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   951
	struct net_device *netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   952
	struct e1000_adapter *adapter;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   953
	struct e1000_hw *hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   954
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   955
	static int cards_found = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   956
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   957
	int i, err, pci_using_dac;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   958
	u16 eeprom_data = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   959
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   960
	int bars, need_ioport;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   961
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   962
	/* do not allocate ioport bars when not needed */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   963
	need_ioport = e1000_is_need_ioport(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   964
	if (need_ioport) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   965
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   966
		err = pci_enable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   967
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   968
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   969
		err = pci_enable_device_mem(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   970
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   971
	if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   972
		return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   973
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   974
	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   975
	    !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   976
		pci_using_dac = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   977
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   978
		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   979
		if (err) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   980
			err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   981
			if (err) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   982
				E1000_ERR("No usable DMA configuration, "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   983
					  "aborting\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   984
				goto err_dma;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   985
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   986
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   987
		pci_using_dac = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   988
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   989
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   990
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   991
	if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   992
		goto err_pci_reg;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   993
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   994
	pci_set_master(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   995
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   996
	err = -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   997
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   998
	if (!netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
   999
		goto err_alloc_etherdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1000
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1001
	SET_NETDEV_DEV(netdev, &pdev->dev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1002
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1003
	pci_set_drvdata(pdev, netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1004
	adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1005
	adapter->netdev = netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1006
	adapter->pdev = pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1007
	adapter->msg_enable = (1 << debug) - 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1008
	adapter->bars = bars;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1009
	adapter->need_ioport = need_ioport;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1010
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1011
	hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1012
	hw->back = adapter;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1013
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1014
	err = -EIO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1015
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1016
	if (!hw->hw_addr)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1017
		goto err_ioremap;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1018
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1019
	if (adapter->need_ioport) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1020
		for (i = BAR_1; i <= BAR_5; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1021
			if (pci_resource_len(pdev, i) == 0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1022
				continue;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1023
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1024
				hw->io_base = pci_resource_start(pdev, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1025
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1026
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1027
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1028
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1029
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1030
	netdev->netdev_ops = &e1000_netdev_ops;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1031
	e1000_set_ethtool_ops(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1032
	netdev->watchdog_timeo = 5 * HZ;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1033
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1034
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1035
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1036
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1037
	adapter->bd_number = cards_found;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1038
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1039
	/* setup the private structure */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1040
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1041
	err = e1000_sw_init(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1042
	if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1043
		goto err_sw_init;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1044
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1045
	err = -EIO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1046
	/* Flash BAR mapping must happen after e1000_sw_init
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1047
	 * because it depends on mac_type */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1048
	if ((hw->mac_type == e1000_ich8lan) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1049
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1050
		hw->flash_address = pci_ioremap_bar(pdev, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1051
		if (!hw->flash_address)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1052
			goto err_flashmap;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1053
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1054
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1055
	if (e1000_check_phy_reset_block(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1056
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1057
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1058
	if (hw->mac_type >= e1000_82543) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1059
		netdev->features = NETIF_F_SG |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1060
				   NETIF_F_HW_CSUM |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1061
				   NETIF_F_HW_VLAN_TX |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1062
				   NETIF_F_HW_VLAN_RX |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1063
				   NETIF_F_HW_VLAN_FILTER;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1064
		if (hw->mac_type == e1000_ich8lan)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1065
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1066
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1067
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1068
	if ((hw->mac_type >= e1000_82544) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1069
	   (hw->mac_type != e1000_82547))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1070
		netdev->features |= NETIF_F_TSO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1071
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1072
	if (hw->mac_type > e1000_82547_rev_2)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1073
		netdev->features |= NETIF_F_TSO6;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1074
	if (pci_using_dac)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1075
		netdev->features |= NETIF_F_HIGHDMA;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1076
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1077
	netdev->features |= NETIF_F_LLTX;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1078
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1079
	netdev->vlan_features |= NETIF_F_TSO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1080
	netdev->vlan_features |= NETIF_F_TSO6;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1081
	netdev->vlan_features |= NETIF_F_HW_CSUM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1082
	netdev->vlan_features |= NETIF_F_SG;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1083
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1084
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1085
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1086
	/* initialize eeprom parameters */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1087
	if (e1000_init_eeprom_params(hw)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1088
		E1000_ERR("EEPROM initialization failed\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1089
		goto err_eeprom;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1090
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1091
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1092
	/* before reading the EEPROM, reset the controller to
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1093
	 * put the device in a known good starting state */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1094
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1095
	e1000_reset_hw(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1096
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1097
	/* make sure the EEPROM is good */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1098
	if (e1000_validate_eeprom_checksum(hw) < 0) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1099
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1100
		e1000_dump_eeprom(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1101
		/*
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1102
		 * set MAC address to all zeroes to invalidate and temporary
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1103
		 * disable this device for the user. This blocks regular
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1104
		 * traffic while still permitting ethtool ioctls from reaching
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1105
		 * the hardware as well as allowing the user to run the
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1106
		 * interface after manually setting a hw addr using
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1107
		 * `ip set address`
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1108
		 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1109
		memset(hw->mac_addr, 0, netdev->addr_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1110
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1111
		/* copy the MAC address out of the EEPROM */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1112
		if (e1000_read_mac_addr(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1113
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1114
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1115
	/* don't block initalization here due to bad MAC address */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1116
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1117
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1118
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1119
	if (!is_valid_ether_addr(netdev->perm_addr))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1120
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1121
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1122
	e1000_get_bus_info(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1123
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1124
	init_timer(&adapter->tx_fifo_stall_timer);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1125
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1126
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1127
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1128
	init_timer(&adapter->watchdog_timer);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1129
	adapter->watchdog_timer.function = &e1000_watchdog;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1130
	adapter->watchdog_timer.data = (unsigned long) adapter;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1131
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1132
	init_timer(&adapter->phy_info_timer);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1133
	adapter->phy_info_timer.function = &e1000_update_phy_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1134
	adapter->phy_info_timer.data = (unsigned long)adapter;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1135
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1136
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1137
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1138
	e1000_check_options(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1139
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1140
	/* Initial Wake on LAN setting
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1141
	 * If APM wake is enabled in the EEPROM,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1142
	 * enable the ACPI Magic Packet filter
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1143
	 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1144
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1145
	switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1146
	case e1000_82542_rev2_0:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1147
	case e1000_82542_rev2_1:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1148
	case e1000_82543:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1149
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1150
	case e1000_82544:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1151
		e1000_read_eeprom(hw,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1152
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1153
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1154
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1155
	case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1156
		e1000_read_eeprom(hw,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1157
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1158
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1159
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1160
	case e1000_82546:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1161
	case e1000_82546_rev_3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1162
	case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1163
	case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1164
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1165
			e1000_read_eeprom(hw,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1166
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1167
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1168
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1169
		/* Fall Through */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1170
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1171
		e1000_read_eeprom(hw,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1172
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1173
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1174
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1175
	if (eeprom_data & eeprom_apme_mask)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1176
		adapter->eeprom_wol |= E1000_WUFC_MAG;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1177
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1178
	/* now that we have the eeprom settings, apply the special cases
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1179
	 * where the eeprom may be wrong or the board simply won't support
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1180
	 * wake on lan on a particular port */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1181
	switch (pdev->device) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1182
	case E1000_DEV_ID_82546GB_PCIE:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1183
		adapter->eeprom_wol = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1184
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1185
	case E1000_DEV_ID_82546EB_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1186
	case E1000_DEV_ID_82546GB_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1187
	case E1000_DEV_ID_82571EB_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1188
		/* Wake events only supported on port A for dual fiber
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1189
		 * regardless of eeprom setting */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1190
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1191
			adapter->eeprom_wol = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1192
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1193
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1194
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1195
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1196
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1197
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1198
		/* if quad port adapter, disable WoL on all but port A */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1199
		if (global_quad_port_a != 0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1200
			adapter->eeprom_wol = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1201
		else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1202
			adapter->quad_port_a = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1203
		/* Reset for multiple quad port adapters */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1204
		if (++global_quad_port_a == 4)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1205
			global_quad_port_a = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1206
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1207
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1208
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1209
	/* initialize the wol settings based on the eeprom settings */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1210
	adapter->wol = adapter->eeprom_wol;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1211
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1212
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1213
	/* print bus type/speed/width info */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1214
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1215
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1216
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1217
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1218
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1219
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1220
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1221
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1222
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1223
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1224
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1225
		 "32-bit"));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1226
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1227
	printk("%pM\n", netdev->dev_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1228
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1229
	if (hw->bus_type == e1000_bus_type_pci_express) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1230
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1231
			"longer be supported by this driver in the future.\n",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1232
			pdev->vendor, pdev->device);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1233
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1234
			"driver instead.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1235
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1236
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1237
	/* reset the hardware with the new settings */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1238
	e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1239
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1240
	/* If the controller is 82573 and f/w is AMT, do not set
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1241
	 * DRV_LOAD until the interface is up.  For all other cases,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1242
	 * let the f/w know that the h/w is now under the control
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1243
	 * of the driver. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1244
	if (hw->mac_type != e1000_82573 ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1245
	    !e1000_check_mng_mode(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1246
		e1000_get_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1247
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1248
 	// offer device to EtherCAT master module
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1249
 	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1250
 	if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1251
 		if (ecdev_open(adapter->ecdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1252
 			ecdev_withdraw(adapter->ecdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1253
 			goto err_register;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1254
 		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1255
 	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1256
		/* tell the stack to leave us alone until e1000_open() is called */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1257
		netif_carrier_off(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1258
		netif_stop_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1259
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1260
		strcpy(netdev->name, "eth%d");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1261
		err = register_netdev(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1262
		if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1263
			goto err_register;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1264
 	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1265
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1266
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1267
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1268
	cards_found++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1269
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1270
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1271
err_register:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1272
	e1000_release_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1273
err_eeprom:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1274
	if (!e1000_check_phy_reset_block(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1275
		e1000_phy_hw_reset(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1276
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1277
	if (hw->flash_address)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1278
		iounmap(hw->flash_address);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1279
err_flashmap:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1280
	kfree(adapter->tx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1281
	kfree(adapter->rx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1282
err_sw_init:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1283
	iounmap(hw->hw_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1284
err_ioremap:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1285
	free_netdev(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1286
err_alloc_etherdev:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1287
	pci_release_selected_regions(pdev, bars);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1288
err_pci_reg:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1289
err_dma:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1290
	pci_disable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1291
	return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1292
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1293
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1294
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1295
 * e1000_remove - Device Removal Routine
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1296
 * @pdev: PCI device information struct
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1297
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1298
 * e1000_remove is called by the PCI subsystem to alert the driver
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1299
 * that it should release a PCI device.  The could be caused by a
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1300
 * Hot-Plug event, or because the driver is going to be removed from
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1301
 * memory.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1302
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1303
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1304
static void __devexit e1000_remove(struct pci_dev *pdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1305
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1306
	struct net_device *netdev = pci_get_drvdata(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1307
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1308
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1309
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1310
	cancel_work_sync(&adapter->reset_task);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1311
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1312
	e1000_release_manageability(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1313
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1314
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1315
	 * would have already happened in close and is redundant. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1316
	e1000_release_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1317
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1318
	unregister_netdev(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1319
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1320
	if (!e1000_check_phy_reset_block(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1321
		e1000_phy_hw_reset(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1322
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1323
	kfree(adapter->tx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1324
	kfree(adapter->rx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1325
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1326
	iounmap(hw->hw_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1327
	if (hw->flash_address)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1328
		iounmap(hw->flash_address);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1329
	pci_release_selected_regions(pdev, adapter->bars);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1330
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1331
	free_netdev(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1332
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1333
	pci_disable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1334
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1335
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1336
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1337
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1338
 * @adapter: board private structure to initialize
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1339
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1340
 * e1000_sw_init initializes the Adapter private data structure.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1341
 * Fields are initialized based on PCI device information and
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1342
 * OS network device settings (MTU size).
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1343
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1344
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1345
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1346
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1347
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1348
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1349
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1350
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1351
	/* PCI config space info */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1352
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1353
	hw->vendor_id = pdev->vendor;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1354
	hw->device_id = pdev->device;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1355
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1356
	hw->subsystem_id = pdev->subsystem_device;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1357
	hw->revision_id = pdev->revision;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1358
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1359
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1360
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1361
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1362
	hw->max_frame_size = netdev->mtu +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1363
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1364
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1365
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1366
	/* identify the MAC */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1367
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1368
	if (e1000_set_mac_type(hw)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1369
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1370
		return -EIO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1371
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1372
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1373
	switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1374
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1375
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1376
	case e1000_82541:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1377
	case e1000_82547:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1378
	case e1000_82541_rev_2:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1379
	case e1000_82547_rev_2:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1380
		hw->phy_init_script = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1381
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1382
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1383
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1384
	e1000_set_media_type(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1385
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1386
	hw->wait_autoneg_complete = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1387
	hw->tbi_compatibility_en = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1388
	hw->adaptive_ifs = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1389
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1390
	/* Copper options */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1391
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1392
	if (hw->media_type == e1000_media_type_copper) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1393
		hw->mdix = AUTO_ALL_MODES;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1394
		hw->disable_polarity_correction = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1395
		hw->master_slave = E1000_MASTER_SLAVE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1396
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1397
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1398
	adapter->num_tx_queues = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1399
	adapter->num_rx_queues = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1400
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1401
	if (e1000_alloc_queues(adapter)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1402
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1403
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1404
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1405
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1406
	spin_lock_init(&adapter->tx_queue_lock);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1407
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1408
	/* Explicitly disable IRQ since the NIC can be in any state. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1409
	e1000_irq_disable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1410
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1411
	spin_lock_init(&adapter->stats_lock);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1412
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1413
	set_bit(__E1000_DOWN, &adapter->flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1414
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1415
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1416
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1417
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1418
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1419
 * e1000_alloc_queues - Allocate memory for all rings
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1420
 * @adapter: board private structure to initialize
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1421
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1422
 * We allocate one ring per queue at run-time since we don't know the
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1423
 * number of queues at compile-time.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1424
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1425
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1426
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1427
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1428
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1429
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1430
	if (!adapter->tx_ring)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1431
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1432
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1433
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1434
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1435
	if (!adapter->rx_ring) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1436
		kfree(adapter->tx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1437
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1438
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1439
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1440
	return E1000_SUCCESS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1441
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1442
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1443
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1444
 * e1000_open - Called when a network interface is made active
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1445
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1446
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1447
 * Returns 0 on success, negative value on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1448
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1449
 * The open entry point is called when a network interface is made
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1450
 * active by the system (IFF_UP).  At this point all resources needed
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1451
 * for transmit and receive operations are allocated, the interrupt
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1452
 * handler is registered with the OS, the watchdog timer is started,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1453
 * and the stack is notified that the interface is ready.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1454
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1455
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1456
static int e1000_open(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1457
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1458
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1459
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1460
	int err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1461
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1462
	/* disallow open during test */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1463
	if (test_bit(__E1000_TESTING, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1464
		return -EBUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1465
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1466
	/* allocate transmit descriptors */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1467
	err = e1000_setup_all_tx_resources(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1468
	if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1469
		goto err_setup_tx;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1470
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1471
	/* allocate receive descriptors */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1472
	err = e1000_setup_all_rx_resources(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1473
	if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1474
		goto err_setup_rx;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1475
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1476
	e1000_power_up_phy(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1477
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1478
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1479
	if ((hw->mng_cookie.status &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1480
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1481
		e1000_update_mng_vlan(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1482
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1483
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1484
	/* If AMT is enabled, let the firmware know that the network
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1485
	 * interface is now open */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1486
	if (hw->mac_type == e1000_82573 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1487
	    e1000_check_mng_mode(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1488
		e1000_get_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1489
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1490
	/* before we allocate an interrupt, we must be ready to handle it.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1491
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1492
	 * as soon as we call pci_request_irq, so we have to setup our
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1493
	 * clean_rx handler before we do so.  */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1494
	e1000_configure(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1495
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1496
	err = e1000_request_irq(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1497
	if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1498
		goto err_req_irq;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1499
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1500
	/* From here on the code is the same as e1000_up() */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1501
	clear_bit(__E1000_DOWN, &adapter->flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1502
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1503
	napi_enable(&adapter->napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1504
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1505
	e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1506
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1507
	netif_start_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1508
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1509
	/* fire a link status change interrupt to start the watchdog */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1510
	ew32(ICS, E1000_ICS_LSC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1511
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1512
	return E1000_SUCCESS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1513
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1514
err_req_irq:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1515
	e1000_release_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1516
	e1000_power_down_phy(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1517
	e1000_free_all_rx_resources(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1518
err_setup_rx:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1519
	e1000_free_all_tx_resources(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1520
err_setup_tx:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1521
	e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1522
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1523
	return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1524
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1525
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1526
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1527
 * e1000_close - Disables a network interface
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1528
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1529
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1530
 * Returns 0, this is not allowed to fail
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1531
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1532
 * The close entry point is called when an interface is de-activated
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1533
 * by the OS.  The hardware is still under the drivers control, but
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1534
 * needs to be disabled.  A global MAC reset is issued to stop the
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1535
 * hardware, and all transmit and receive resources are freed.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1536
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1537
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1538
static int e1000_close(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1539
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1540
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1541
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1542
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1543
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1544
	e1000_down(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1545
	e1000_power_down_phy(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1546
	e1000_free_irq(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1547
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1548
	e1000_free_all_tx_resources(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1549
	e1000_free_all_rx_resources(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1550
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1551
	/* kill manageability vlan ID if supported, but not if a vlan with
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1552
	 * the same ID is registered on the host OS (let 8021q kill it) */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1553
	if ((hw->mng_cookie.status &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1554
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1555
	     !(adapter->vlgrp &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1556
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1557
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1558
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1559
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1560
	/* If AMT is enabled, let the firmware know that the network
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1561
	 * interface is now closed */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1562
	if (hw->mac_type == e1000_82573 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1563
	    e1000_check_mng_mode(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1564
		e1000_release_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1565
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1566
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1567
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1568
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1569
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1570
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1571
 * @adapter: address of board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1572
 * @start: address of beginning of memory
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1573
 * @len: length of memory
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1574
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1575
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1576
				  unsigned long len)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1577
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1578
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1579
	unsigned long begin = (unsigned long)start;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1580
	unsigned long end = begin + len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1581
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1582
	/* First rev 82545 and 82546 need to not allow any memory
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1583
	 * write location to cross 64k boundary due to errata 23 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1584
	if (hw->mac_type == e1000_82545 ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1585
	    hw->mac_type == e1000_82546) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1586
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1587
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1588
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1589
	return true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1590
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1591
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1592
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1593
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1594
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1595
 * @txdr:    tx descriptor ring (for a specific queue) to setup
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1596
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1597
 * Return 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1598
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1599
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1600
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1601
				    struct e1000_tx_ring *txdr)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1602
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1603
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1604
	int size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1605
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1606
	size = sizeof(struct e1000_buffer) * txdr->count;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1607
	txdr->buffer_info = vmalloc(size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1608
	if (!txdr->buffer_info) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1609
		DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1610
		"Unable to allocate memory for the transmit descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1611
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1612
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1613
	memset(txdr->buffer_info, 0, size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1614
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1615
	/* round up to nearest 4K */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1616
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1617
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1618
	txdr->size = ALIGN(txdr->size, 4096);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1619
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1620
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1621
	if (!txdr->desc) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1622
setup_tx_desc_die:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1623
		vfree(txdr->buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1624
		DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1625
		"Unable to allocate memory for the transmit descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1626
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1627
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1628
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1629
	/* Fix for errata 23, can't cross 64kB boundary */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1630
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1631
		void *olddesc = txdr->desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1632
		dma_addr_t olddma = txdr->dma;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1633
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1634
				     "at %p\n", txdr->size, txdr->desc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1635
		/* Try again, without freeing the previous */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1636
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1637
		/* Failed allocation, critical failure */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1638
		if (!txdr->desc) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1639
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1640
			goto setup_tx_desc_die;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1641
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1642
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1643
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1644
			/* give up */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1645
			pci_free_consistent(pdev, txdr->size, txdr->desc,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1646
					    txdr->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1647
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1648
			DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1649
				"Unable to allocate aligned memory "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1650
				"for the transmit descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1651
			vfree(txdr->buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1652
			return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1653
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1654
			/* Free old allocation, new allocation was successful */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1655
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1656
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1657
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1658
	memset(txdr->desc, 0, txdr->size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1659
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1660
	txdr->next_to_use = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1661
	txdr->next_to_clean = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1662
	spin_lock_init(&txdr->tx_lock);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1663
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1664
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1665
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1666
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1667
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1668
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1669
 * 				  (Descriptors) for all queues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1670
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1671
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1672
 * Return 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1673
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1674
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1675
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1676
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1677
	int i, err = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1678
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1679
	for (i = 0; i < adapter->num_tx_queues; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1680
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1681
		if (err) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1682
			DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1683
				"Allocation for Tx Queue %u failed\n", i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1684
			for (i-- ; i >= 0; i--)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1685
				e1000_free_tx_resources(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1686
							&adapter->tx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1687
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1688
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1689
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1690
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1691
	return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1692
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1693
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1694
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1695
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1696
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1697
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1698
 * Configure the Tx unit of the MAC after a reset.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1699
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1700
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1701
static void e1000_configure_tx(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1702
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1703
	u64 tdba;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1704
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1705
	u32 tdlen, tctl, tipg, tarc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1706
	u32 ipgr1, ipgr2;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1707
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1708
	/* Setup the HW Tx Head and Tail descriptor pointers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1709
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1710
	switch (adapter->num_tx_queues) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1711
	case 1:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1712
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1713
		tdba = adapter->tx_ring[0].dma;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1714
		tdlen = adapter->tx_ring[0].count *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1715
			sizeof(struct e1000_tx_desc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1716
		ew32(TDLEN, tdlen);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1717
		ew32(TDBAH, (tdba >> 32));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1718
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1719
		ew32(TDT, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1720
		ew32(TDH, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1721
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1722
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1723
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1724
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1725
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1726
	/* Set the default values for the Tx Inter Packet Gap timer */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1727
	if (hw->mac_type <= e1000_82547_rev_2 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1728
	    (hw->media_type == e1000_media_type_fiber ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1729
	     hw->media_type == e1000_media_type_internal_serdes))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1730
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1731
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1732
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1733
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1734
	switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1735
	case e1000_82542_rev2_0:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1736
	case e1000_82542_rev2_1:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1737
		tipg = DEFAULT_82542_TIPG_IPGT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1738
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1739
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1740
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1741
	case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1742
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1743
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1744
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1745
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1746
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1747
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1748
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1749
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1750
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1751
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1752
	ew32(TIPG, tipg);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1753
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1754
	/* Set the Tx Interrupt Delay register */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1755
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1756
	ew32(TIDV, adapter->tx_int_delay);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1757
	if (hw->mac_type >= e1000_82540)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1758
		ew32(TADV, adapter->tx_abs_int_delay);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1759
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1760
	/* Program the Transmit Control Register */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1761
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1762
	tctl = er32(TCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1763
	tctl &= ~E1000_TCTL_CT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1764
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1765
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1766
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1767
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1768
		tarc = er32(TARC0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1769
		/* set the speed mode bit, we'll clear it if we're not at
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1770
		 * gigabit link later */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1771
		tarc |= (1 << 21);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1772
		ew32(TARC0, tarc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1773
	} else if (hw->mac_type == e1000_80003es2lan) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1774
		tarc = er32(TARC0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1775
		tarc |= 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1776
		ew32(TARC0, tarc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1777
		tarc = er32(TARC1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1778
		tarc |= 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1779
		ew32(TARC1, tarc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1780
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1781
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1782
	e1000_config_collision_dist(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1783
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1784
	/* Setup Transmit Descriptor Settings for eop descriptor */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1785
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1786
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1787
	/* only set IDE if we are delaying interrupts using the timers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1788
	if (adapter->tx_int_delay)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1789
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1790
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1791
	if (hw->mac_type < e1000_82543)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1792
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1793
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1794
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1795
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1796
	/* Cache if we're 82544 running in PCI-X because we'll
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1797
	 * need this to apply a workaround later in the send path. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1798
	if (hw->mac_type == e1000_82544 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1799
	    hw->bus_type == e1000_bus_type_pcix)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1800
		adapter->pcix_82544 = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1801
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1802
	ew32(TCTL, tctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1803
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1804
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1805
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1806
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1807
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1808
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1809
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1810
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1811
 * Returns 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1812
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1813
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1814
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1815
				    struct e1000_rx_ring *rxdr)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1816
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1817
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1818
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1819
	int size, desc_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1820
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1821
	size = sizeof(struct e1000_buffer) * rxdr->count;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1822
	rxdr->buffer_info = vmalloc(size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1823
	if (!rxdr->buffer_info) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1824
		DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1825
		"Unable to allocate memory for the receive descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1826
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1827
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1828
	memset(rxdr->buffer_info, 0, size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1829
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1830
	if (hw->mac_type <= e1000_82547_rev_2)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1831
		desc_len = sizeof(struct e1000_rx_desc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1832
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1833
		desc_len = sizeof(union e1000_rx_desc_packet_split);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1834
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1835
	/* Round up to nearest 4K */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1836
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1837
	rxdr->size = rxdr->count * desc_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1838
	rxdr->size = ALIGN(rxdr->size, 4096);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1839
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1840
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1841
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1842
	if (!rxdr->desc) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1843
		DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1844
		"Unable to allocate memory for the receive descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1845
setup_rx_desc_die:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1846
		vfree(rxdr->buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1847
		return -ENOMEM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1848
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1849
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1850
	/* Fix for errata 23, can't cross 64kB boundary */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1851
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1852
		void *olddesc = rxdr->desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1853
		dma_addr_t olddma = rxdr->dma;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1854
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1855
				     "at %p\n", rxdr->size, rxdr->desc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1856
		/* Try again, without freeing the previous */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1857
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1858
		/* Failed allocation, critical failure */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1859
		if (!rxdr->desc) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1860
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1861
			DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1862
				"Unable to allocate memory "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1863
				"for the receive descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1864
			goto setup_rx_desc_die;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1865
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1866
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1867
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1868
			/* give up */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1869
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1870
					    rxdr->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1871
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1872
			DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1873
				"Unable to allocate aligned memory "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1874
				"for the receive descriptor ring\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1875
			goto setup_rx_desc_die;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1876
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1877
			/* Free old allocation, new allocation was successful */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1878
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1879
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1880
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1881
	memset(rxdr->desc, 0, rxdr->size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1882
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1883
	rxdr->next_to_clean = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1884
	rxdr->next_to_use = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1885
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1886
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1887
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1888
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1889
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1890
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1891
 * 				  (Descriptors) for all queues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1892
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1893
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1894
 * Return 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1895
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1896
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1897
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1898
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1899
	int i, err = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1900
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1901
	for (i = 0; i < adapter->num_rx_queues; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1902
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1903
		if (err) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1904
			DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1905
				"Allocation for Rx Queue %u failed\n", i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1906
			for (i-- ; i >= 0; i--)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1907
				e1000_free_rx_resources(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1908
							&adapter->rx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1909
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1910
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1911
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1912
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1913
	return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1914
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1915
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1916
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1917
 * e1000_setup_rctl - configure the receive control registers
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1918
 * @adapter: Board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1919
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1920
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1921
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1922
static void e1000_setup_rctl(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1923
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1924
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1925
	u32 rctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1926
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1927
	rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1928
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1929
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1930
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1931
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1932
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1933
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1934
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1935
	if (hw->tbi_compatibility_on == 1)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1936
		rctl |= E1000_RCTL_SBP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1937
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1938
		rctl &= ~E1000_RCTL_SBP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1939
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1940
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1941
		rctl &= ~E1000_RCTL_LPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1942
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1943
		rctl |= E1000_RCTL_LPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1944
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1945
	/* Setup buffer sizes */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1946
	rctl &= ~E1000_RCTL_SZ_4096;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1947
	rctl |= E1000_RCTL_BSEX;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1948
	switch (adapter->rx_buffer_len) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1949
		case E1000_RXBUFFER_256:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1950
			rctl |= E1000_RCTL_SZ_256;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1951
			rctl &= ~E1000_RCTL_BSEX;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1952
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1953
		case E1000_RXBUFFER_512:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1954
			rctl |= E1000_RCTL_SZ_512;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1955
			rctl &= ~E1000_RCTL_BSEX;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1956
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1957
		case E1000_RXBUFFER_1024:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1958
			rctl |= E1000_RCTL_SZ_1024;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1959
			rctl &= ~E1000_RCTL_BSEX;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1960
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1961
		case E1000_RXBUFFER_2048:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1962
		default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1963
			rctl |= E1000_RCTL_SZ_2048;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1964
			rctl &= ~E1000_RCTL_BSEX;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1965
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1966
		case E1000_RXBUFFER_4096:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1967
			rctl |= E1000_RCTL_SZ_4096;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1968
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1969
		case E1000_RXBUFFER_8192:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1970
			rctl |= E1000_RCTL_SZ_8192;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1971
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1972
		case E1000_RXBUFFER_16384:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1973
			rctl |= E1000_RCTL_SZ_16384;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1974
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1975
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1976
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1977
	ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1978
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1979
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1980
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1981
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1982
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1983
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1984
 * Configure the Rx unit of the MAC after a reset.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1985
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1986
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1987
static void e1000_configure_rx(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1988
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1989
	u64 rdba;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1990
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1991
	u32 rdlen, rctl, rxcsum, ctrl_ext;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1992
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1993
	rdlen = adapter->rx_ring[0].count *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1994
		sizeof(struct e1000_rx_desc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1995
	adapter->clean_rx = e1000_clean_rx_irq;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1996
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1997
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1998
	/* disable receives while setting up the descriptors */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  1999
	rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2000
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2001
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2002
	/* set the Receive Delay Timer Register */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2003
	ew32(RDTR, adapter->rx_int_delay);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2004
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2005
	if (hw->mac_type >= e1000_82540) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2006
		ew32(RADV, adapter->rx_abs_int_delay);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2007
		if (adapter->itr_setting != 0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2008
			ew32(ITR, 1000000000 / (adapter->itr * 256));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2009
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2010
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2011
	if (hw->mac_type >= e1000_82571) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2012
		ctrl_ext = er32(CTRL_EXT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2013
		/* Reset delay timers after every interrupt */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2014
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2015
		/* Auto-Mask interrupts upon ICR access */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2016
		ctrl_ext |= E1000_CTRL_EXT_IAME;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2017
		ew32(IAM, 0xffffffff);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2018
		ew32(CTRL_EXT, ctrl_ext);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2019
		E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2020
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2021
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2022
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2023
	 * the Base and Length of the Rx Descriptor Ring */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2024
	switch (adapter->num_rx_queues) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2025
	case 1:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2026
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2027
		rdba = adapter->rx_ring[0].dma;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2028
		ew32(RDLEN, rdlen);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2029
		ew32(RDBAH, (rdba >> 32));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2030
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2031
		ew32(RDT, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2032
		ew32(RDH, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2033
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2034
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2035
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2036
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2037
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2038
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2039
	if (hw->mac_type >= e1000_82543) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2040
		rxcsum = er32(RXCSUM);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2041
		if (adapter->rx_csum)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2042
			rxcsum |= E1000_RXCSUM_TUOFL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2043
		else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2044
			/* don't need to clear IPPCSE as it defaults to 0 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2045
			rxcsum &= ~E1000_RXCSUM_TUOFL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2046
		ew32(RXCSUM, rxcsum);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2047
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2048
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2049
	/* Enable Receives */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2050
	ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2051
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2052
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2053
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2054
 * e1000_free_tx_resources - Free Tx Resources per Queue
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2055
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2056
 * @tx_ring: Tx descriptor ring for a specific queue
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2057
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2058
 * Free all transmit software resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2059
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2060
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2061
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2062
				    struct e1000_tx_ring *tx_ring)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2063
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2064
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2065
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2066
	e1000_clean_tx_ring(adapter, tx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2067
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2068
	vfree(tx_ring->buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2069
	tx_ring->buffer_info = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2070
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2071
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2072
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2073
	tx_ring->desc = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2074
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2075
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2076
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2077
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2078
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2079
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2080
 * Free all transmit software resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2081
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2082
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2083
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2084
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2085
	int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2086
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2087
	for (i = 0; i < adapter->num_tx_queues; i++)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2088
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2089
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2090
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2091
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2092
					     struct e1000_buffer *buffer_info)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2093
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2094
	if (adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2095
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2096
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2097
	if (buffer_info->dma) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2098
		pci_unmap_page(adapter->pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2099
				buffer_info->dma,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2100
				buffer_info->length,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2101
				PCI_DMA_TODEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2102
		buffer_info->dma = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2103
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2104
	if (buffer_info->skb) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2105
		dev_kfree_skb_any(buffer_info->skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2106
		buffer_info->skb = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2107
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2108
	/* buffer_info must be completely set up in the transmit path */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2109
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2110
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2111
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2112
 * e1000_clean_tx_ring - Free Tx Buffers
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2113
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2114
 * @tx_ring: ring to be cleaned
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2115
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2116
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2117
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2118
				struct e1000_tx_ring *tx_ring)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2119
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2120
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2121
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2122
	unsigned long size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2123
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2124
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2125
	/* Free all the Tx ring sk_buffs */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2126
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2127
	for (i = 0; i < tx_ring->count; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2128
		buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2129
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2130
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2131
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2132
	size = sizeof(struct e1000_buffer) * tx_ring->count;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2133
	memset(tx_ring->buffer_info, 0, size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2134
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2135
	/* Zero out the descriptor ring */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2136
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2137
	memset(tx_ring->desc, 0, tx_ring->size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2138
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2139
	tx_ring->next_to_use = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2140
	tx_ring->next_to_clean = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2141
	tx_ring->last_tx_tso = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2142
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2143
	writel(0, hw->hw_addr + tx_ring->tdh);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2144
	writel(0, hw->hw_addr + tx_ring->tdt);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2145
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2146
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2147
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2148
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2149
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2150
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2151
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2152
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2153
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2154
	int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2155
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2156
	for (i = 0; i < adapter->num_tx_queues; i++)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2157
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2158
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2159
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2160
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2161
 * e1000_free_rx_resources - Free Rx Resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2162
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2163
 * @rx_ring: ring to clean the resources from
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2164
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2165
 * Free all receive software resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2166
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2167
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2168
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2169
				    struct e1000_rx_ring *rx_ring)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2170
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2171
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2172
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2173
	e1000_clean_rx_ring(adapter, rx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2174
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2175
	vfree(rx_ring->buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2176
	rx_ring->buffer_info = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2177
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2178
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2179
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2180
	rx_ring->desc = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2181
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2182
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2183
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2184
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2185
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2186
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2187
 * Free all receive software resources
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2188
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2189
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2190
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2191
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2192
	int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2193
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2194
	for (i = 0; i < adapter->num_rx_queues; i++)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2195
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2196
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2197
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2198
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2199
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2200
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2201
 * @rx_ring: ring to free buffers from
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2202
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2203
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2204
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2205
				struct e1000_rx_ring *rx_ring)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2206
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2207
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2208
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2209
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2210
	unsigned long size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2211
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2212
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2213
	/* Free all the Rx ring sk_buffs */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2214
	for (i = 0; i < rx_ring->count; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2215
		buffer_info = &rx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2216
		if (buffer_info->skb) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2217
			pci_unmap_single(pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2218
					 buffer_info->dma,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2219
					 buffer_info->length,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2220
					 PCI_DMA_FROMDEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2221
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2222
			dev_kfree_skb(buffer_info->skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2223
			buffer_info->skb = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2224
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2225
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2226
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2227
	size = sizeof(struct e1000_buffer) * rx_ring->count;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2228
	memset(rx_ring->buffer_info, 0, size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2229
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2230
	/* Zero out the descriptor ring */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2231
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2232
	memset(rx_ring->desc, 0, rx_ring->size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2233
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2234
	rx_ring->next_to_clean = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2235
	rx_ring->next_to_use = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2236
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2237
	writel(0, hw->hw_addr + rx_ring->rdh);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2238
	writel(0, hw->hw_addr + rx_ring->rdt);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2239
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2240
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2241
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2242
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2243
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2244
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2245
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2246
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2247
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2248
	int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2249
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2250
	for (i = 0; i < adapter->num_rx_queues; i++)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2251
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2252
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2253
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2254
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2255
 * and memory write and invalidate disabled for certain operations
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2256
 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2257
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2258
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2259
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2260
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2261
	u32 rctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2262
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2263
	e1000_pci_clear_mwi(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2264
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2265
	rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2266
	rctl |= E1000_RCTL_RST;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2267
	ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2268
	E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2269
	mdelay(5);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2270
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2271
	if (!adapter->ecdev && netif_running(netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2272
		e1000_clean_all_rx_rings(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2273
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2274
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2275
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2276
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2277
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2278
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2279
	u32 rctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2280
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2281
	rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2282
	rctl &= ~E1000_RCTL_RST;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2283
	ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2284
	E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2285
	mdelay(5);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2286
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2287
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2288
		e1000_pci_set_mwi(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2289
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2290
	if (!adapter->netdev && netif_running(netdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2291
		/* No need to loop, because 82542 supports only 1 queue */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2292
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2293
		e1000_configure_rx(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2294
		if (adapter->ecdev) { 
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2295
			/* fill rx ring completely! */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2296
			adapter->alloc_rx_buf(adapter, ring, ring->count);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2297
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2298
            /* this one leaves the last ring element unallocated! */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2299
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2300
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2301
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2302
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2303
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2304
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2305
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2306
 * e1000_set_mac - Change the Ethernet Address of the NIC
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2307
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2308
 * @p: pointer to an address structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2309
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2310
 * Returns 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2311
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2312
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2313
static int e1000_set_mac(struct net_device *netdev, void *p)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2314
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2315
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2316
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2317
	struct sockaddr *addr = p;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2318
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2319
	if (!is_valid_ether_addr(addr->sa_data))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2320
		return -EADDRNOTAVAIL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2321
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2322
	/* 82542 2.0 needs to be in reset to write receive address registers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2323
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2324
	if (hw->mac_type == e1000_82542_rev2_0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2325
		e1000_enter_82542_rst(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2326
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2327
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2328
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2329
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2330
	e1000_rar_set(hw, hw->mac_addr, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2331
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2332
	/* With 82571 controllers, LAA may be overwritten (with the default)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2333
	 * due to controller reset from the other port. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2334
	if (hw->mac_type == e1000_82571) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2335
		/* activate the work around */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2336
		hw->laa_is_present = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2337
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2338
		/* Hold a copy of the LAA in RAR[14] This is done so that
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2339
		 * between the time RAR[0] gets clobbered  and the time it
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2340
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2341
		 * of the RARs and no incoming packets directed to this port
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2342
		 * are dropped. Eventaully the LAA will be in RAR[0] and
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2343
		 * RAR[14] */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2344
		e1000_rar_set(hw, hw->mac_addr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2345
					E1000_RAR_ENTRIES - 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2346
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2347
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2348
	if (hw->mac_type == e1000_82542_rev2_0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2349
		e1000_leave_82542_rst(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2350
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2351
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2352
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2353
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2354
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2355
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2356
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2357
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2358
 * The set_rx_mode entry point is called whenever the unicast or multicast
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2359
 * address lists or the network interface flags are updated. This routine is
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2360
 * responsible for configuring the hardware for proper unicast, multicast,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2361
 * promiscuous mode, and all-multi behavior.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2362
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2363
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2364
static void e1000_set_rx_mode(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2365
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2366
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2367
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2368
	struct dev_addr_list *uc_ptr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2369
	struct dev_addr_list *mc_ptr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2370
	u32 rctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2371
	u32 hash_value;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2372
	int i, rar_entries = E1000_RAR_ENTRIES;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2373
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2374
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2375
				E1000_NUM_MTA_REGISTERS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2376
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2377
	if (hw->mac_type == e1000_ich8lan)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2378
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2379
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2380
	/* reserve RAR[14] for LAA over-write work-around */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2381
	if (hw->mac_type == e1000_82571)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2382
		rar_entries--;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2383
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2384
	/* Check for Promiscuous and All Multicast modes */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2385
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2386
	rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2387
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2388
	if (netdev->flags & IFF_PROMISC) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2389
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2390
		rctl &= ~E1000_RCTL_VFE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2391
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2392
		if (netdev->flags & IFF_ALLMULTI) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2393
			rctl |= E1000_RCTL_MPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2394
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2395
			rctl &= ~E1000_RCTL_MPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2396
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2397
		if (adapter->hw.mac_type != e1000_ich8lan)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2398
			rctl |= E1000_RCTL_VFE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2399
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2400
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2401
	uc_ptr = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2402
	if (netdev->uc_count > rar_entries - 1) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2403
		rctl |= E1000_RCTL_UPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2404
	} else if (!(netdev->flags & IFF_PROMISC)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2405
		rctl &= ~E1000_RCTL_UPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2406
		uc_ptr = netdev->uc_list;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2407
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2408
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2409
	ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2410
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2411
	/* 82542 2.0 needs to be in reset to write receive address registers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2412
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2413
	if (hw->mac_type == e1000_82542_rev2_0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2414
		e1000_enter_82542_rst(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2415
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2416
	/* load the first 14 addresses into the exact filters 1-14. Unicast
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2417
	 * addresses take precedence to avoid disabling unicast filtering
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2418
	 * when possible.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2419
	 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2420
	 * RAR 0 is used for the station MAC adddress
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2421
	 * if there are not 14 addresses, go ahead and clear the filters
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2422
	 * -- with 82571 controllers only 0-13 entries are filled here
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2423
	 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2424
	mc_ptr = netdev->mc_list;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2425
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2426
	for (i = 1; i < rar_entries; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2427
		if (uc_ptr) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2428
			e1000_rar_set(hw, uc_ptr->da_addr, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2429
			uc_ptr = uc_ptr->next;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2430
		} else if (mc_ptr) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2431
			e1000_rar_set(hw, mc_ptr->da_addr, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2432
			mc_ptr = mc_ptr->next;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2433
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2434
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2435
			E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2436
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2437
			E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2438
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2439
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2440
	WARN_ON(uc_ptr != NULL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2441
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2442
	/* clear the old settings from the multicast hash table */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2443
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2444
	for (i = 0; i < mta_reg_count; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2445
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2446
		E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2447
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2448
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2449
	/* load any remaining addresses into the hash table */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2450
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2451
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2452
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2453
		e1000_mta_set(hw, hash_value);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2454
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2455
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2456
	if (hw->mac_type == e1000_82542_rev2_0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2457
		e1000_leave_82542_rst(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2458
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2459
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2460
/* Need to wait a few seconds after link up to get diagnostic information from
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2461
 * the phy */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2462
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2463
static void e1000_update_phy_info(unsigned long data)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2464
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2465
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2466
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2467
	e1000_phy_get_info(hw, &adapter->phy_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2468
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2469
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2470
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2471
 * e1000_82547_tx_fifo_stall - Timer Call-back
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2472
 * @data: pointer to adapter cast into an unsigned long
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2473
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2474
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2475
static void e1000_82547_tx_fifo_stall(unsigned long data)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2476
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2477
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2478
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2479
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2480
	u32 tctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2481
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2482
	if (atomic_read(&adapter->tx_fifo_stall)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2483
		if ((er32(TDT) == er32(TDH)) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2484
		   (er32(TDFT) == er32(TDFH)) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2485
		   (er32(TDFTS) == er32(TDFHS))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2486
			tctl = er32(TCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2487
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2488
			ew32(TDFT, adapter->tx_head_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2489
			ew32(TDFH, adapter->tx_head_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2490
			ew32(TDFTS, adapter->tx_head_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2491
			ew32(TDFHS, adapter->tx_head_addr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2492
			ew32(TCTL, tctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2493
			E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2494
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2495
			adapter->tx_fifo_head = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2496
			atomic_set(&adapter->tx_fifo_stall, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2497
			if (!adapter->ecdev) netif_wake_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2498
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2499
			if (!adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2500
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2501
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2502
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2503
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2504
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2505
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2506
 * e1000_watchdog - Timer Call-back
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2507
 * @data: pointer to adapter cast into an unsigned long
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2508
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2509
static void e1000_watchdog(unsigned long data)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2510
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2511
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2512
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2513
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2514
	struct e1000_tx_ring *txdr = adapter->tx_ring;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2515
	u32 link, tctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2516
	s32 ret_val;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2517
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2518
	ret_val = e1000_check_for_link(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2519
	if ((ret_val == E1000_ERR_PHY) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2520
	    (hw->phy_type == e1000_phy_igp_3) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2521
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2522
		/* See e1000_kumeran_lock_loss_workaround() */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2523
		DPRINTK(LINK, INFO,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2524
			"Gigabit has been disabled, downgrading speed\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2525
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2526
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2527
	if (hw->mac_type == e1000_82573) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2528
		e1000_enable_tx_pkt_filtering(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2529
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2530
			e1000_update_mng_vlan(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2531
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2532
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2533
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2534
	   !(er32(TXCW) & E1000_TXCW_ANE))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2535
		link = !hw->serdes_link_down;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2536
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2537
		link = er32(STATUS) & E1000_STATUS_LU;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2538
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2539
	if (link) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2540
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2541
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2542
			u32 ctrl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2543
			bool txb2b = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2544
			e1000_get_speed_and_duplex(hw,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2545
			                           &adapter->link_speed,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2546
			                           &adapter->link_duplex);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2547
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2548
			ctrl = er32(CTRL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2549
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2550
			       "Flow Control: %s\n",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2551
			       netdev->name,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2552
			       adapter->link_speed,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2553
			       adapter->link_duplex == FULL_DUPLEX ?
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2554
			        "Full Duplex" : "Half Duplex",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2555
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2556
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2557
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2558
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2559
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2560
			/* tweak tx_queue_len according to speed/duplex
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2561
			 * and adjust the timeout factor */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2562
			netdev->tx_queue_len = adapter->tx_queue_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2563
			adapter->tx_timeout_factor = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2564
			switch (adapter->link_speed) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2565
			case SPEED_10:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2566
				txb2b = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2567
				netdev->tx_queue_len = 10;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2568
				adapter->tx_timeout_factor = 8;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2569
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2570
			case SPEED_100:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2571
				txb2b = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2572
				netdev->tx_queue_len = 100;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2573
				/* maybe add some timeout factor ? */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2574
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2575
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2576
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2577
			if ((hw->mac_type == e1000_82571 ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2578
			     hw->mac_type == e1000_82572) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2579
			    !txb2b) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2580
				u32 tarc0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2581
				tarc0 = er32(TARC0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2582
				tarc0 &= ~(1 << 21);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2583
				ew32(TARC0, tarc0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2584
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2585
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2586
			/* disable TSO for pcie and 10/100 speeds, to avoid
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2587
			 * some hardware issues */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2588
			if (!adapter->tso_force &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2589
			    hw->bus_type == e1000_bus_type_pci_express){
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2590
				switch (adapter->link_speed) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2591
				case SPEED_10:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2592
				case SPEED_100:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2593
					DPRINTK(PROBE,INFO,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2594
				        "10/100 speed: disabling TSO\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2595
					netdev->features &= ~NETIF_F_TSO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2596
					netdev->features &= ~NETIF_F_TSO6;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2597
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2598
				case SPEED_1000:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2599
					netdev->features |= NETIF_F_TSO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2600
					netdev->features |= NETIF_F_TSO6;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2601
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2602
				default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2603
					/* oops */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2604
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2605
				}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2606
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2607
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2608
			/* enable transmits in the hardware, need to do this
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2609
			 * after setting TARC0 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2610
			tctl = er32(TCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2611
			tctl |= E1000_TCTL_EN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2612
			ew32(TCTL, tctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2613
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2614
			if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2615
				ecdev_set_link(adapter->ecdev, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2616
			} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2617
				netif_carrier_on(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2618
				netif_wake_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2619
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2620
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2621
			adapter->smartspeed = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2622
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2623
			/* make sure the receive unit is started */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2624
			if (hw->rx_needs_kicking) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2625
				u32 rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2626
				ew32(RCTL, rctl | E1000_RCTL_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2627
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2628
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2629
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2630
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2631
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2632
			adapter->link_speed = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2633
			adapter->link_duplex = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2634
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2635
			       netdev->name);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2636
            if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2637
				ecdev_set_link(adapter->ecdev, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2638
			} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2639
				netif_carrier_off(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2640
				netif_stop_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2641
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2642
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2643
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2644
			/* 80003ES2LAN workaround--
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2645
			 * For packet buffer work-around on link down event;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2646
			 * disable receives in the ISR and
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2647
			 * reset device here in the watchdog
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2648
			 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2649
			if (hw->mac_type == e1000_80003es2lan)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2650
				/* reset device */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2651
				schedule_work(&adapter->reset_task);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2652
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2653
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2654
		e1000_smartspeed(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2655
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2656
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2657
	e1000_update_stats(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2658
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2659
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2660
	adapter->tpt_old = adapter->stats.tpt;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2661
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2662
	adapter->colc_old = adapter->stats.colc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2663
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2664
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2665
	adapter->gorcl_old = adapter->stats.gorcl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2666
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2667
	adapter->gotcl_old = adapter->stats.gotcl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2668
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2669
	e1000_update_adaptive(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2670
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2671
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2672
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2673
			/* We've lost link, so the controller stops DMA,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2674
			 * but we've got queued Tx work that's never going
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2675
			 * to get done, so reset controller to flush Tx.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2676
			 * (Do the reset outside of interrupt context). */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2677
			adapter->tx_timeout_count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2678
			schedule_work(&adapter->reset_task);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2679
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2680
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2681
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2682
	/* Cause software interrupt to ensure rx ring is cleaned */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2683
	ew32(ICS, E1000_ICS_RXDMT0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2684
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2685
	/* Force detection of hung controller every watchdog period */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2686
	if (!adapter->ecdev) adapter->detect_tx_hung = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2687
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2688
	/* With 82571 controllers, LAA may be overwritten due to controller
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2689
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2690
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2691
		e1000_rar_set(hw, hw->mac_addr, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2692
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2693
	/* Reset the timer */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2694
	if (!adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2695
		mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2696
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2697
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2698
enum latency_range {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2699
	lowest_latency = 0,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2700
	low_latency = 1,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2701
	bulk_latency = 2,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2702
	latency_invalid = 255
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2703
};
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2704
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2705
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2706
 * e1000_update_itr - update the dynamic ITR value based on statistics
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2707
 *      Stores a new ITR value based on packets and byte
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2708
 *      counts during the last interrupt.  The advantage of per interrupt
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2709
 *      computation is faster updates and more accurate ITR for the current
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2710
 *      traffic pattern.  Constants in this function were computed
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2711
 *      based on theoretical maximum wire speed and thresholds were set based
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2712
 *      on testing data as well as attempting to minimize response time
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2713
 *      while increasing bulk throughput.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2714
 *      this functionality is controlled by the InterruptThrottleRate module
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2715
 *      parameter (see e1000_param.c)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2716
 * @adapter: pointer to adapter
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2717
 * @itr_setting: current adapter->itr
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2718
 * @packets: the number of packets during this measurement interval
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2719
 * @bytes: the number of bytes during this measurement interval
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2720
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2721
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2722
				     u16 itr_setting, int packets, int bytes)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2723
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2724
	unsigned int retval = itr_setting;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2725
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2726
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2727
	if (unlikely(hw->mac_type < e1000_82540))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2728
		goto update_itr_done;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2729
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2730
	if (packets == 0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2731
		goto update_itr_done;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2732
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2733
	switch (itr_setting) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2734
	case lowest_latency:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2735
		/* jumbo frames get bulk treatment*/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2736
		if (bytes/packets > 8000)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2737
			retval = bulk_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2738
		else if ((packets < 5) && (bytes > 512))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2739
			retval = low_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2740
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2741
	case low_latency:  /* 50 usec aka 20000 ints/s */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2742
		if (bytes > 10000) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2743
			/* jumbo frames need bulk latency setting */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2744
			if (bytes/packets > 8000)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2745
				retval = bulk_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2746
			else if ((packets < 10) || ((bytes/packets) > 1200))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2747
				retval = bulk_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2748
			else if ((packets > 35))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2749
				retval = lowest_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2750
		} else if (bytes/packets > 2000)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2751
			retval = bulk_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2752
		else if (packets <= 2 && bytes < 512)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2753
			retval = lowest_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2754
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2755
	case bulk_latency: /* 250 usec aka 4000 ints/s */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2756
		if (bytes > 25000) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2757
			if (packets > 35)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2758
				retval = low_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2759
		} else if (bytes < 6000) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2760
			retval = low_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2761
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2762
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2763
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2764
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2765
update_itr_done:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2766
	return retval;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2767
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2768
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2769
static void e1000_set_itr(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2770
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2771
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2772
	u16 current_itr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2773
	u32 new_itr = adapter->itr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2774
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2775
	if (unlikely(hw->mac_type < e1000_82540))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2776
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2777
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2778
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2779
	if (unlikely(adapter->link_speed != SPEED_1000)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2780
		current_itr = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2781
		new_itr = 4000;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2782
		goto set_itr_now;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2783
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2784
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2785
	adapter->tx_itr = e1000_update_itr(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2786
	                            adapter->tx_itr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2787
	                            adapter->total_tx_packets,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2788
	                            adapter->total_tx_bytes);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2789
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2790
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2791
		adapter->tx_itr = low_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2792
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2793
	adapter->rx_itr = e1000_update_itr(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2794
	                            adapter->rx_itr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2795
	                            adapter->total_rx_packets,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2796
	                            adapter->total_rx_bytes);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2797
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2798
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2799
		adapter->rx_itr = low_latency;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2800
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2801
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2802
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2803
	switch (current_itr) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2804
	/* counts and packets in update_itr are dependent on these numbers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2805
	case lowest_latency:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2806
		new_itr = 70000;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2807
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2808
	case low_latency:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2809
		new_itr = 20000; /* aka hwitr = ~200 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2810
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2811
	case bulk_latency:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2812
		new_itr = 4000;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2813
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2814
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2815
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2816
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2817
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2818
set_itr_now:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2819
	if (new_itr != adapter->itr) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2820
		/* this attempts to bias the interrupt rate towards Bulk
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2821
		 * by adding intermediate steps when interrupt rate is
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2822
		 * increasing */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2823
		new_itr = new_itr > adapter->itr ?
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2824
		             min(adapter->itr + (new_itr >> 2), new_itr) :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2825
		             new_itr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2826
		adapter->itr = new_itr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2827
		ew32(ITR, 1000000000 / (new_itr * 256));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2828
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2829
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2830
	return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2831
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2832
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2833
#define E1000_TX_FLAGS_CSUM		0x00000001
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2834
#define E1000_TX_FLAGS_VLAN		0x00000002
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2835
#define E1000_TX_FLAGS_TSO		0x00000004
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2836
#define E1000_TX_FLAGS_IPV4		0x00000008
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2837
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2838
#define E1000_TX_FLAGS_VLAN_SHIFT	16
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2839
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2840
static int e1000_tso(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2841
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2842
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2843
	struct e1000_context_desc *context_desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2844
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2845
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2846
	u32 cmd_length = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2847
	u16 ipcse = 0, tucse, mss;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2848
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2849
	int err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2850
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2851
	if (skb_is_gso(skb)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2852
		if (skb_header_cloned(skb)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2853
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2854
			if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2855
				return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2856
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2857
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2858
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2859
		mss = skb_shinfo(skb)->gso_size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2860
		if (skb->protocol == htons(ETH_P_IP)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2861
			struct iphdr *iph = ip_hdr(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2862
			iph->tot_len = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2863
			iph->check = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2864
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2865
								 iph->daddr, 0,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2866
								 IPPROTO_TCP,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2867
								 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2868
			cmd_length = E1000_TXD_CMD_IP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2869
			ipcse = skb_transport_offset(skb) - 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2870
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2871
			ipv6_hdr(skb)->payload_len = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2872
			tcp_hdr(skb)->check =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2873
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2874
						 &ipv6_hdr(skb)->daddr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2875
						 0, IPPROTO_TCP, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2876
			ipcse = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2877
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2878
		ipcss = skb_network_offset(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2879
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2880
		tucss = skb_transport_offset(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2881
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2882
		tucse = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2883
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2884
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2885
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2886
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2887
		i = tx_ring->next_to_use;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2888
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2889
		buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2890
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2891
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2892
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2893
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2894
		context_desc->upper_setup.tcp_fields.tucss = tucss;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2895
		context_desc->upper_setup.tcp_fields.tucso = tucso;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2896
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2897
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2898
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2899
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2900
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2901
		buffer_info->time_stamp = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2902
		buffer_info->next_to_watch = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2903
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2904
		if (++i == tx_ring->count) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2905
		tx_ring->next_to_use = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2906
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2907
		return true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2908
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2909
	return false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2910
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2911
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2912
static bool e1000_tx_csum(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2913
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2914
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2915
	struct e1000_context_desc *context_desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2916
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2917
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2918
	u8 css;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2919
	u32 cmd_len = E1000_TXD_CMD_DEXT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2920
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2921
	if (skb->ip_summed != CHECKSUM_PARTIAL)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2922
		return false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2923
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2924
	switch (skb->protocol) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2925
	case __constant_htons(ETH_P_IP):
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2926
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2927
			cmd_len |= E1000_TXD_CMD_TCP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2928
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2929
	case __constant_htons(ETH_P_IPV6):
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2930
		/* XXX not handling all IPV6 headers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2931
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2932
			cmd_len |= E1000_TXD_CMD_TCP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2933
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2934
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2935
		if (unlikely(net_ratelimit()))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2936
			DPRINTK(DRV, WARNING,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2937
			        "checksum_partial proto=%x!\n", skb->protocol);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2938
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2939
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2940
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2941
	css = skb_transport_offset(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2942
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2943
	i = tx_ring->next_to_use;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2944
	buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2945
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2946
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2947
	context_desc->lower_setup.ip_config = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2948
	context_desc->upper_setup.tcp_fields.tucss = css;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2949
	context_desc->upper_setup.tcp_fields.tucso =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2950
		css + skb->csum_offset;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2951
	context_desc->upper_setup.tcp_fields.tucse = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2952
	context_desc->tcp_seg_setup.data = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2953
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2954
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2955
	buffer_info->time_stamp = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2956
	buffer_info->next_to_watch = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2957
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2958
	if (unlikely(++i == tx_ring->count)) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2959
	tx_ring->next_to_use = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2960
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2961
	return true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2962
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2963
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2964
#define E1000_MAX_TXD_PWR	12
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2965
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2966
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2967
static int e1000_tx_map(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2968
			struct e1000_tx_ring *tx_ring,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2969
			struct sk_buff *skb, unsigned int first,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2970
			unsigned int max_per_txd, unsigned int nr_frags,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2971
			unsigned int mss)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2972
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2973
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2974
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2975
	unsigned int len = skb->len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2976
	unsigned int offset = 0, size, count = 0, i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2977
	unsigned int f;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2978
	len -= skb->data_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2979
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2980
	i = tx_ring->next_to_use;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2981
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2982
	while (len) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2983
		buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2984
		size = min(len, max_per_txd);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2985
		/* Workaround for Controller erratum --
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2986
		 * descriptor for non-tso packet in a linear SKB that follows a
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2987
		 * tso gets written back prematurely before the data is fully
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2988
		 * DMA'd to the controller */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2989
		if (!skb->data_len && tx_ring->last_tx_tso &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2990
		    !skb_is_gso(skb)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2991
			tx_ring->last_tx_tso = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2992
			size -= 4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2993
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2994
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2995
		/* Workaround for premature desc write-backs
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2996
		 * in TSO mode.  Append 4-byte sentinel desc */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2997
		if (unlikely(mss && !nr_frags && size == len && size > 8))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2998
			size -= 4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  2999
		/* work-around for errata 10 and it applies
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3000
		 * to all controllers in PCI-X mode
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3001
		 * The fix is to make sure that the first descriptor of a
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3002
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3003
		 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3004
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3005
		                (size > 2015) && count == 0))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3006
		        size = 2015;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3007
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3008
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3009
		 * terminating buffers within evenly-aligned dwords. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3010
		if (unlikely(adapter->pcix_82544 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3011
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3012
		   size > 4))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3013
			size -= 4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3014
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3015
		buffer_info->length = size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3016
		buffer_info->dma =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3017
			pci_map_single(adapter->pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3018
				skb->data + offset,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3019
				size,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3020
				PCI_DMA_TODEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3021
		buffer_info->time_stamp = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3022
		buffer_info->next_to_watch = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3023
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3024
		len -= size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3025
		offset += size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3026
		count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3027
		if (unlikely(++i == tx_ring->count)) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3028
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3029
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3030
	for (f = 0; f < nr_frags; f++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3031
		struct skb_frag_struct *frag;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3032
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3033
		frag = &skb_shinfo(skb)->frags[f];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3034
		len = frag->size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3035
		offset = frag->page_offset;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3036
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3037
		while (len) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3038
			buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3039
			size = min(len, max_per_txd);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3040
			/* Workaround for premature desc write-backs
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3041
			 * in TSO mode.  Append 4-byte sentinel desc */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3042
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3043
				size -= 4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3044
			/* Workaround for potential 82544 hang in PCI-X.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3045
			 * Avoid terminating buffers within evenly-aligned
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3046
			 * dwords. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3047
			if (unlikely(adapter->pcix_82544 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3048
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3049
			   size > 4))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3050
				size -= 4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3051
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3052
			buffer_info->length = size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3053
			buffer_info->dma =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3054
				pci_map_page(adapter->pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3055
					frag->page,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3056
					offset,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3057
					size,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3058
					PCI_DMA_TODEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3059
			buffer_info->time_stamp = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3060
			buffer_info->next_to_watch = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3061
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3062
			len -= size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3063
			offset += size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3064
			count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3065
			if (unlikely(++i == tx_ring->count)) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3066
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3067
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3068
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3069
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3070
	tx_ring->buffer_info[i].skb = skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3071
	tx_ring->buffer_info[first].next_to_watch = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3072
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3073
	return count;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3074
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3075
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3076
static void e1000_tx_queue(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3077
			   struct e1000_tx_ring *tx_ring, int tx_flags,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3078
			   int count)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3079
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3080
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3081
	struct e1000_tx_desc *tx_desc = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3082
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3083
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3084
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3085
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3086
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3087
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3088
		             E1000_TXD_CMD_TSE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3089
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3090
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3091
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3092
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3093
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3094
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3095
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3096
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3097
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3098
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3099
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3100
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3101
		txd_lower |= E1000_TXD_CMD_VLE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3102
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3103
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3104
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3105
	i = tx_ring->next_to_use;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3106
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3107
	while (count--) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3108
		buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3109
		tx_desc = E1000_TX_DESC(*tx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3110
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3111
		tx_desc->lower.data =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3112
			cpu_to_le32(txd_lower | buffer_info->length);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3113
		tx_desc->upper.data = cpu_to_le32(txd_upper);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3114
		if (unlikely(++i == tx_ring->count)) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3115
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3116
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3117
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3118
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3119
	/* Force memory writes to complete before letting h/w
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3120
	 * know there are new descriptors to fetch.  (Only
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3121
	 * applicable for weak-ordered memory model archs,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3122
	 * such as IA-64). */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3123
	wmb();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3124
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3125
	tx_ring->next_to_use = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3126
	writel(i, hw->hw_addr + tx_ring->tdt);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3127
	/* we need this if more than one processor can write to our tail
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3128
	 * at a time, it syncronizes IO on IA64/Altix systems */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3129
	mmiowb();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3130
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3131
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3132
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3133
 * 82547 workaround to avoid controller hang in half-duplex environment.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3134
 * The workaround is to avoid queuing a large packet that would span
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3135
 * the internal Tx FIFO ring boundary by notifying the stack to resend
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3136
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3137
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3138
 * to the beginning of the Tx FIFO.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3139
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3140
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3141
#define E1000_FIFO_HDR			0x10
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3142
#define E1000_82547_PAD_LEN		0x3E0
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3143
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3144
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3145
				       struct sk_buff *skb)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3146
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3147
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3148
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3149
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3150
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3151
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3152
	if (adapter->link_duplex != HALF_DUPLEX)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3153
		goto no_fifo_stall_required;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3154
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3155
	if (atomic_read(&adapter->tx_fifo_stall))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3156
		return 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3157
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3158
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3159
		atomic_set(&adapter->tx_fifo_stall, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3160
		return 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3161
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3162
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3163
no_fifo_stall_required:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3164
	adapter->tx_fifo_head += skb_fifo_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3165
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3166
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3167
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3168
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3169
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3170
#define MINIMUM_DHCP_PACKET_SIZE 282
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3171
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3172
				    struct sk_buff *skb)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3173
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3174
	struct e1000_hw *hw =  &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3175
	u16 length, offset;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3176
	if (vlan_tx_tag_present(skb)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3177
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3178
			( hw->mng_cookie.status &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3179
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3180
			return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3181
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3182
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3183
		struct ethhdr *eth = (struct ethhdr *)skb->data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3184
		if ((htons(ETH_P_IP) == eth->h_proto)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3185
			const struct iphdr *ip =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3186
				(struct iphdr *)((u8 *)skb->data+14);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3187
			if (IPPROTO_UDP == ip->protocol) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3188
				struct udphdr *udp =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3189
					(struct udphdr *)((u8 *)ip +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3190
						(ip->ihl << 2));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3191
				if (ntohs(udp->dest) == 67) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3192
					offset = (u8 *)udp + 8 - skb->data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3193
					length = skb->len - offset;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3194
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3195
					return e1000_mng_write_dhcp_info(hw,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3196
							(u8 *)udp + 8,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3197
							length);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3198
				}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3199
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3200
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3201
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3202
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3203
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3204
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3205
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3206
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3207
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3208
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3209
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3210
	netif_stop_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3211
	/* Herbert's original patch had:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3212
	 *  smp_mb__after_netif_stop_queue();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3213
	 * but since that doesn't exist yet, just open code it. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3214
	smp_mb();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3215
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3216
	/* We need to check again in a case another CPU has just
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3217
	 * made room available. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3218
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3219
		return -EBUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3220
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3221
	/* A reprieve! */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3222
	netif_start_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3223
	++adapter->restart_queue;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3224
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3225
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3226
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3227
static int e1000_maybe_stop_tx(struct net_device *netdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3228
                               struct e1000_tx_ring *tx_ring, int size)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3229
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3230
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3231
		return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3232
	return __e1000_maybe_stop_tx(netdev, size);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3233
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3234
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3235
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3236
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3237
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3238
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3239
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3240
	struct e1000_tx_ring *tx_ring;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3241
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3242
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3243
	unsigned int tx_flags = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3244
	unsigned int len = skb->len - skb->data_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3245
	unsigned long flags = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3246
	unsigned int nr_frags = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3247
	unsigned int mss = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3248
	int count = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3249
	int tso;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3250
	unsigned int f;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3251
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3252
	/* This goes back to the question of how to logically map a tx queue
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3253
	 * to a flow.  Right now, performance is impacted slightly negatively
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3254
	 * if using multiple tx queues.  If the stack breaks away from a
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3255
	 * single qdisc implementation, we can look at this again. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3256
	tx_ring = adapter->tx_ring;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3257
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3258
	if (unlikely(skb->len <= 0)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3259
		if (!adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3260
			dev_kfree_skb_any(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3261
		return NETDEV_TX_OK;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3262
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3263
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3264
	/* 82571 and newer doesn't need the workaround that limited descriptor
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3265
	 * length to 4kB */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3266
	if (hw->mac_type >= e1000_82571)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3267
		max_per_txd = 8192;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3268
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3269
	mss = skb_shinfo(skb)->gso_size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3270
	/* The controller does a simple calculation to
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3271
	 * make sure there is enough room in the FIFO before
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3272
	 * initiating the DMA for each buffer.  The calc is:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3273
	 * 4 = ceil(buffer len/mss).  To make sure we don't
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3274
	 * overrun the FIFO, adjust the max buffer len if mss
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3275
	 * drops. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3276
	if (mss) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3277
		u8 hdr_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3278
		max_per_txd = min(mss << 2, max_per_txd);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3279
		max_txd_pwr = fls(max_per_txd) - 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3280
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3281
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3282
		* points to just header, pull a few bytes of payload from
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3283
		* frags into skb->data */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3284
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3285
		if (skb->data_len && hdr_len == len) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3286
			switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3287
				unsigned int pull_size;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3288
			case e1000_82544:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3289
				/* Make sure we have room to chop off 4 bytes,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3290
				 * and that the end alignment will work out to
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3291
				 * this hardware's requirements
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3292
				 * NOTE: this is a TSO only workaround
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3293
				 * if end byte alignment not correct move us
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3294
				 * into the next dword */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3295
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3296
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3297
				/* fall through */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3298
			case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3299
			case e1000_82572:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3300
			case e1000_82573:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3301
			case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3302
				pull_size = min((unsigned int)4, skb->data_len);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3303
				if (!__pskb_pull_tail(skb, pull_size)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3304
					DPRINTK(DRV, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3305
						"__pskb_pull_tail failed.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3306
					dev_kfree_skb_any(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3307
					return NETDEV_TX_OK;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3308
				}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3309
				len = skb->len - skb->data_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3310
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3311
			default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3312
				/* do nothing */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3313
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3314
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3315
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3316
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3317
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3318
	/* reserve a descriptor for the offload context */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3319
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3320
		count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3321
	count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3322
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3323
	/* Controller Erratum workaround */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3324
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3325
		count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3326
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3327
	count += TXD_USE_COUNT(len, max_txd_pwr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3328
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3329
	if (adapter->pcix_82544)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3330
		count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3331
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3332
	/* work-around for errata 10 and it applies to all controllers
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3333
	 * in PCI-X mode, so add one more descriptor to the count
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3334
	 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3335
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3336
			(len > 2015)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3337
		count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3338
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3339
	nr_frags = skb_shinfo(skb)->nr_frags;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3340
	for (f = 0; f < nr_frags; f++)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3341
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3342
				       max_txd_pwr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3343
	if (adapter->pcix_82544)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3344
		count += nr_frags;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3345
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3346
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3347
	if (hw->tx_pkt_filtering &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3348
	    (hw->mac_type == e1000_82573))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3349
		e1000_transfer_dhcp_info(adapter, skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3350
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3351
 	if (!adapter->ecdev &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3352
 			!spin_trylock_irqsave(&tx_ring->tx_lock, flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3353
		/* Collision - tell upper layer to requeue */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3354
		return NETDEV_TX_LOCKED;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3355
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3356
	/* need: count + 2 desc gap to keep tail from touching
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3357
	 * head, otherwise try next time */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3358
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3359
		if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3360
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3361
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3362
		return NETDEV_TX_BUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3363
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3364
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3365
	if (unlikely(hw->mac_type == e1000_82547)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3366
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3367
			if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3368
				netif_stop_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3369
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3370
				spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3371
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3372
			return NETDEV_TX_BUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3373
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3374
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3375
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3376
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3377
		tx_flags |= E1000_TX_FLAGS_VLAN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3378
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3379
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3380
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3381
	first = tx_ring->next_to_use;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3382
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3383
	tso = e1000_tso(adapter, tx_ring, skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3384
	if (tso < 0) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3385
		if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3386
			dev_kfree_skb_any(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3387
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3388
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3389
		return NETDEV_TX_OK;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3390
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3391
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3392
	if (likely(tso)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3393
		tx_ring->last_tx_tso = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3394
		tx_flags |= E1000_TX_FLAGS_TSO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3395
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3396
		tx_flags |= E1000_TX_FLAGS_CSUM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3397
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3398
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3399
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3400
	 * no longer assume, we must. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3401
	if (likely(skb->protocol == htons(ETH_P_IP)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3402
		tx_flags |= E1000_TX_FLAGS_IPV4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3403
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3404
	e1000_tx_queue(adapter, tx_ring, tx_flags,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3405
	               e1000_tx_map(adapter, tx_ring, skb, first,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3406
	                            max_per_txd, nr_frags, mss));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3407
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3408
	netdev->trans_start = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3409
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3410
	if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3411
		/* Make sure there is space in the ring for the next send. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3412
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3413
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3414
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3415
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3416
	return NETDEV_TX_OK;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3417
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3418
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3419
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3420
 * e1000_tx_timeout - Respond to a Tx Hang
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3421
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3422
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3423
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3424
static void e1000_tx_timeout(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3425
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3426
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3427
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3428
	/* Do the reset outside of interrupt context */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3429
	adapter->tx_timeout_count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3430
	schedule_work(&adapter->reset_task);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3431
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3432
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3433
static void e1000_reset_task(struct work_struct *work)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3434
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3435
	struct e1000_adapter *adapter =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3436
		container_of(work, struct e1000_adapter, reset_task);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3437
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3438
	e1000_reinit_locked(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3439
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3440
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3441
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3442
 * e1000_get_stats - Get System Network Statistics
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3443
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3444
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3445
 * Returns the address of the device statistics structure.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3446
 * The statistics are actually updated from the timer callback.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3447
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3448
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3449
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3450
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3451
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3452
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3453
	/* only return the current stats */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3454
	return &adapter->net_stats;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3455
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3456
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3457
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3458
 * e1000_change_mtu - Change the Maximum Transfer Unit
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3459
 * @netdev: network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3460
 * @new_mtu: new value for maximum frame size
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3461
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3462
 * Returns 0 on success, negative on failure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3463
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3464
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3465
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3466
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3467
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3468
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3469
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3470
	u16 eeprom_data = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3471
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3472
	if (adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3473
		return -EBUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3474
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3475
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3476
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3477
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3478
		return -EINVAL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3479
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3480
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3481
	/* Adapter-specific max frame size limits. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3482
	switch (hw->mac_type) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3483
	case e1000_undefined ... e1000_82542_rev2_1:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3484
	case e1000_ich8lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3485
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3486
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3487
			return -EINVAL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3488
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3489
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3490
	case e1000_82573:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3491
		/* Jumbo Frames not supported if:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3492
		 * - this is not an 82573L device
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3493
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3494
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3495
		                  &eeprom_data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3496
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3497
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3498
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3499
				DPRINTK(PROBE, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3500
			            	"Jumbo Frames not supported.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3501
				return -EINVAL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3502
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3503
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3504
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3505
		/* ERT will be enabled later to enable wire speed receives */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3506
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3507
		/* fall through to get support */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3508
	case e1000_82571:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3509
	case e1000_82572:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3510
	case e1000_80003es2lan:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3511
#define MAX_STD_JUMBO_FRAME_SIZE 9234
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3512
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3513
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3514
			return -EINVAL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3515
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3516
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3517
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3518
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3519
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3520
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3521
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3522
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3523
	 * means we reserve 2 more, this pushes us to allocate from the next
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3524
	 * larger slab size
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3525
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3526
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3527
	if (max_frame <= E1000_RXBUFFER_256)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3528
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3529
	else if (max_frame <= E1000_RXBUFFER_512)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3530
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3531
	else if (max_frame <= E1000_RXBUFFER_1024)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3532
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3533
	else if (max_frame <= E1000_RXBUFFER_2048)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3534
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3535
	else if (max_frame <= E1000_RXBUFFER_4096)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3536
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3537
	else if (max_frame <= E1000_RXBUFFER_8192)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3538
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3539
	else if (max_frame <= E1000_RXBUFFER_16384)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3540
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3541
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3542
	/* adjust allocation if LPE protects us, and we aren't using SBP */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3543
	if (!hw->tbi_compatibility_on &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3544
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3545
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3546
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3547
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3548
	netdev->mtu = new_mtu;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3549
	hw->max_frame_size = max_frame;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3550
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3551
	if (netif_running(netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3552
		e1000_reinit_locked(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3553
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3554
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3555
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3556
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3557
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3558
 * e1000_update_stats - Update the board statistics counters
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3559
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3560
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3561
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3562
void e1000_update_stats(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3563
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3564
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3565
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3566
	unsigned long flags = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3567
	u16 phy_tmp;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3568
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3569
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3570
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3571
	/*
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3572
	 * Prevent stats update while adapter is being reset, or if the pci
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3573
	 * connection is down.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3574
	 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3575
	if (adapter->link_speed == 0)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3576
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3577
	if (pci_channel_offline(pdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3578
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3579
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3580
	if (!adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3581
		spin_lock_irqsave(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3582
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3583
	/* these counters are modified from e1000_tbi_adjust_stats,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3584
	 * called from the interrupt context, so they must only
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3585
	 * be written while holding adapter->stats_lock
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3586
	 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3587
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3588
	adapter->stats.crcerrs += er32(CRCERRS);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3589
	adapter->stats.gprc += er32(GPRC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3590
	adapter->stats.gorcl += er32(GORCL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3591
	adapter->stats.gorch += er32(GORCH);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3592
	adapter->stats.bprc += er32(BPRC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3593
	adapter->stats.mprc += er32(MPRC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3594
	adapter->stats.roc += er32(ROC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3595
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3596
	if (hw->mac_type != e1000_ich8lan) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3597
		adapter->stats.prc64 += er32(PRC64);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3598
		adapter->stats.prc127 += er32(PRC127);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3599
		adapter->stats.prc255 += er32(PRC255);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3600
		adapter->stats.prc511 += er32(PRC511);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3601
		adapter->stats.prc1023 += er32(PRC1023);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3602
		adapter->stats.prc1522 += er32(PRC1522);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3603
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3604
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3605
	adapter->stats.symerrs += er32(SYMERRS);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3606
	adapter->stats.mpc += er32(MPC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3607
	adapter->stats.scc += er32(SCC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3608
	adapter->stats.ecol += er32(ECOL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3609
	adapter->stats.mcc += er32(MCC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3610
	adapter->stats.latecol += er32(LATECOL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3611
	adapter->stats.dc += er32(DC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3612
	adapter->stats.sec += er32(SEC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3613
	adapter->stats.rlec += er32(RLEC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3614
	adapter->stats.xonrxc += er32(XONRXC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3615
	adapter->stats.xontxc += er32(XONTXC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3616
	adapter->stats.xoffrxc += er32(XOFFRXC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3617
	adapter->stats.xofftxc += er32(XOFFTXC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3618
	adapter->stats.fcruc += er32(FCRUC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3619
	adapter->stats.gptc += er32(GPTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3620
	adapter->stats.gotcl += er32(GOTCL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3621
	adapter->stats.gotch += er32(GOTCH);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3622
	adapter->stats.rnbc += er32(RNBC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3623
	adapter->stats.ruc += er32(RUC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3624
	adapter->stats.rfc += er32(RFC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3625
	adapter->stats.rjc += er32(RJC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3626
	adapter->stats.torl += er32(TORL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3627
	adapter->stats.torh += er32(TORH);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3628
	adapter->stats.totl += er32(TOTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3629
	adapter->stats.toth += er32(TOTH);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3630
	adapter->stats.tpr += er32(TPR);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3631
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3632
	if (hw->mac_type != e1000_ich8lan) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3633
		adapter->stats.ptc64 += er32(PTC64);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3634
		adapter->stats.ptc127 += er32(PTC127);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3635
		adapter->stats.ptc255 += er32(PTC255);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3636
		adapter->stats.ptc511 += er32(PTC511);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3637
		adapter->stats.ptc1023 += er32(PTC1023);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3638
		adapter->stats.ptc1522 += er32(PTC1522);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3639
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3640
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3641
	adapter->stats.mptc += er32(MPTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3642
	adapter->stats.bptc += er32(BPTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3643
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3644
	/* used for adaptive IFS */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3645
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3646
	hw->tx_packet_delta = er32(TPT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3647
	adapter->stats.tpt += hw->tx_packet_delta;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3648
	hw->collision_delta = er32(COLC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3649
	adapter->stats.colc += hw->collision_delta;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3650
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3651
	if (hw->mac_type >= e1000_82543) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3652
		adapter->stats.algnerrc += er32(ALGNERRC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3653
		adapter->stats.rxerrc += er32(RXERRC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3654
		adapter->stats.tncrs += er32(TNCRS);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3655
		adapter->stats.cexterr += er32(CEXTERR);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3656
		adapter->stats.tsctc += er32(TSCTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3657
		adapter->stats.tsctfc += er32(TSCTFC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3658
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3659
	if (hw->mac_type > e1000_82547_rev_2) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3660
		adapter->stats.iac += er32(IAC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3661
		adapter->stats.icrxoc += er32(ICRXOC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3662
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3663
		if (hw->mac_type != e1000_ich8lan) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3664
			adapter->stats.icrxptc += er32(ICRXPTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3665
			adapter->stats.icrxatc += er32(ICRXATC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3666
			adapter->stats.ictxptc += er32(ICTXPTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3667
			adapter->stats.ictxatc += er32(ICTXATC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3668
			adapter->stats.ictxqec += er32(ICTXQEC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3669
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3670
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3671
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3672
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3673
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3674
	/* Fill out the OS statistics structure */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3675
	adapter->net_stats.multicast = adapter->stats.mprc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3676
	adapter->net_stats.collisions = adapter->stats.colc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3677
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3678
	/* Rx Errors */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3679
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3680
	/* RLEC on some newer hardware can be incorrect so build
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3681
	* our own version based on RUC and ROC */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3682
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3683
		adapter->stats.crcerrs + adapter->stats.algnerrc +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3684
		adapter->stats.ruc + adapter->stats.roc +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3685
		adapter->stats.cexterr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3686
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3687
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3688
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3689
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3690
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3691
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3692
	/* Tx Errors */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3693
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3694
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3695
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3696
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3697
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3698
	if (hw->bad_tx_carr_stats_fd &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3699
	    adapter->link_duplex == FULL_DUPLEX) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3700
		adapter->net_stats.tx_carrier_errors = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3701
		adapter->stats.tncrs = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3702
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3703
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3704
	/* Tx Dropped needs to be maintained elsewhere */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3705
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3706
	/* Phy Stats */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3707
	if (hw->media_type == e1000_media_type_copper) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3708
		if ((adapter->link_speed == SPEED_1000) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3709
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3710
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3711
			adapter->phy_stats.idle_errors += phy_tmp;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3712
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3713
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3714
		if ((hw->mac_type <= e1000_82546) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3715
		   (hw->phy_type == e1000_phy_m88) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3716
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3717
			adapter->phy_stats.receive_errors += phy_tmp;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3718
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3719
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3720
	/* Management Stats */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3721
	if (hw->has_smbus) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3722
		adapter->stats.mgptc += er32(MGTPTC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3723
		adapter->stats.mgprc += er32(MGTPRC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3724
		adapter->stats.mgpdc += er32(MGTPDC);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3725
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3726
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3727
	if (!adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3728
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3729
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3730
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3731
void ec_poll(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3732
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3733
    struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3734
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3735
    if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3736
        e1000_watchdog((unsigned long) adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3737
        adapter->ec_watchdog_jiffies = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3738
    }
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3739
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3740
#ifdef CONFIG_PCI_MSI
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3741
	e1000_intr_msi(0, netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3742
#else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3743
    e1000_intr(0, netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3744
#endif
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3745
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3746
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3747
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3748
 * e1000_intr_msi - Interrupt Handler
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3749
 * @irq: interrupt number
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3750
 * @data: pointer to a network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3751
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3752
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3753
static irqreturn_t e1000_intr_msi(int irq, void *data)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3754
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3755
	struct net_device *netdev = data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3756
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3757
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3758
	u32 icr = er32(ICR);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3759
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3760
 	if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3761
 		int i, ec_work_done = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3762
 		for (i = 0; i < E1000_MAX_INTR; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3763
 			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3764
                             &ec_work_done, 100) &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3765
 						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3766
 				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3767
 			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3768
 		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3769
 	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3770
		/* in NAPI mode read ICR disables interrupts using IAM */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3771
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3772
		if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3773
			hw->get_link_status = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3774
			/* 80003ES2LAN workaround-- For packet buffer work-around on
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3775
			 * link down event; disable receives here in the ISR and reset
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3776
			 * adapter in watchdog */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3777
			if (netif_carrier_ok(netdev) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3778
				(hw->mac_type == e1000_80003es2lan)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3779
				/* disable receives */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3780
				u32 rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3781
				ew32(RCTL, rctl & ~E1000_RCTL_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3782
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3783
			/* guard against interrupt when we're going down */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3784
			if (!test_bit(__E1000_DOWN, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3785
				mod_timer(&adapter->watchdog_timer, jiffies + 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3786
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3787
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3788
		if (likely(netif_rx_schedule_prep(&adapter->napi))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3789
			adapter->total_tx_bytes = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3790
			adapter->total_tx_packets = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3791
			adapter->total_rx_bytes = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3792
			adapter->total_rx_packets = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3793
			__netif_rx_schedule(&adapter->napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3794
		} else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3795
			e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3796
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3797
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3798
	return IRQ_HANDLED;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3799
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3800
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3801
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3802
 * e1000_intr - Interrupt Handler
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3803
 * @irq: interrupt number
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3804
 * @data: pointer to a network interface device structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3805
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3806
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3807
static irqreturn_t e1000_intr(int irq, void *data)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3808
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3809
	struct net_device *netdev = data;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3810
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3811
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3812
	u32 rctl, icr = er32(ICR);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3813
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3814
	if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3815
		return IRQ_NONE;  /* Not our interrupt */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3816
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3817
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3818
	 * not set, then the adapter didn't send an interrupt */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3819
	if (unlikely(hw->mac_type >= e1000_82571 &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3820
	             !(icr & E1000_ICR_INT_ASSERTED)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3821
		return IRQ_NONE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3822
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3823
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3824
	 * need for the IMC write */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3825
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3826
	if (!adapter->ecdev && unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3827
		hw->get_link_status = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3828
		/* 80003ES2LAN workaround--
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3829
		 * For packet buffer work-around on link down event;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3830
		 * disable receives here in the ISR and
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3831
		 * reset adapter in watchdog
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3832
		 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3833
		if (netif_carrier_ok(netdev) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3834
		    (hw->mac_type == e1000_80003es2lan)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3835
			/* disable receives */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3836
			rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3837
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3838
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3839
		/* guard against interrupt when we're going down */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3840
		if (!test_bit(__E1000_DOWN, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3841
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3842
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3843
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3844
	if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3845
		int i, ec_work_done = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3846
		for (i = 0; i < E1000_MAX_INTR; i++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3847
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3848
							&ec_work_done, 100) &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3849
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3850
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3851
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3852
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3853
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3854
		if (unlikely(hw->mac_type < e1000_82571)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3855
			/* disable interrupts, without the synchronize_irq bit */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3856
			ew32(IMC, ~0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3857
			E1000_WRITE_FLUSH();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3858
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3859
		if (likely(netif_rx_schedule_prep(&adapter->napi))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3860
			adapter->total_tx_bytes = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3861
			adapter->total_tx_packets = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3862
			adapter->total_rx_bytes = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3863
			adapter->total_rx_packets = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3864
			__netif_rx_schedule(&adapter->napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3865
		} else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3866
			/* this really should not happen! if it does it is basically a
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3867
			 * bug, but not a hard error, so enable ints and continue */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3868
			e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3869
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3870
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3871
	return IRQ_HANDLED;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3872
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3873
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3874
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3875
 * e1000_clean - NAPI Rx polling callback
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3876
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3877
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3878
static int e1000_clean(struct napi_struct *napi, int budget)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3879
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3880
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3881
	struct net_device *poll_dev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3882
	int tx_cleaned = 0, work_done = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3883
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3884
	adapter = netdev_priv(poll_dev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3885
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3886
	/* e1000_clean is called per-cpu.  This lock protects
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3887
	 * tx_ring[0] from being cleaned by multiple cpus
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3888
	 * simultaneously.  A failure obtaining the lock means
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3889
	 * tx_ring[0] is currently being cleaned anyway. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3890
	if (spin_trylock(&adapter->tx_queue_lock)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3891
		tx_cleaned = e1000_clean_tx_irq(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3892
						&adapter->tx_ring[0]);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3893
		spin_unlock(&adapter->tx_queue_lock);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3894
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3895
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3896
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3897
	                  &work_done, budget);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3898
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3899
	if (tx_cleaned)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3900
		work_done = budget;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3901
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3902
	/* If budget not fully consumed, exit the polling mode */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3903
	if (work_done < budget) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3904
		if (likely(adapter->itr_setting & 3))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3905
			e1000_set_itr(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3906
		netif_rx_complete(napi);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3907
		e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3908
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3909
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3910
	return work_done;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3911
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3912
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3913
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3914
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3915
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3916
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3917
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3918
			       struct e1000_tx_ring *tx_ring)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3919
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3920
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3921
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3922
	struct e1000_tx_desc *tx_desc, *eop_desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3923
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3924
	unsigned int i, eop;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3925
	unsigned int count = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3926
	bool cleaned = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3927
	unsigned int total_tx_bytes=0, total_tx_packets=0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3928
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3929
	i = tx_ring->next_to_clean;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3930
	eop = tx_ring->buffer_info[i].next_to_watch;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3931
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3932
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3933
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3934
		for (cleaned = false; !cleaned; ) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3935
			tx_desc = E1000_TX_DESC(*tx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3936
			buffer_info = &tx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3937
			cleaned = (i == eop);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3938
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3939
			if (cleaned) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3940
				struct sk_buff *skb = buffer_info->skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3941
				unsigned int segs, bytecount;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3942
				segs = skb_shinfo(skb)->gso_segs ?: 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3943
				/* multiply data chunks by size of headers */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3944
				bytecount = ((segs - 1) * skb_headlen(skb)) +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3945
				            skb->len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3946
				total_tx_packets += segs;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3947
				total_tx_bytes += bytecount;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3948
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3949
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3950
			tx_desc->upper.data = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3951
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3952
			if (unlikely(++i == tx_ring->count)) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3953
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3954
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3955
		eop = tx_ring->buffer_info[i].next_to_watch;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3956
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3957
#define E1000_TX_WEIGHT 64
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3958
		/* weight of a sort for tx, to avoid endless transmit cleanup */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3959
		if (count++ == E1000_TX_WEIGHT)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3960
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3961
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3962
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3963
	tx_ring->next_to_clean = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3964
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3965
#define TX_WAKE_THRESHOLD 32
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3966
	if (!adapter->ecdev && unlikely(cleaned && netif_carrier_ok(netdev) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3967
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3968
		/* Make sure that anybody stopping the queue after this
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3969
		 * sees the new next_to_clean.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3970
		 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3971
		smp_mb();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3972
		if (netif_queue_stopped(netdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3973
			netif_wake_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3974
			++adapter->restart_queue;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3975
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3976
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3977
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3978
	if (!adapter->ecdev && adapter->detect_tx_hung) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3979
		/* Detect a transmit hang in hardware, this serializes the
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3980
		 * check with the clearing of time_stamp and movement of i */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3981
		adapter->detect_tx_hung = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3982
		if (tx_ring->buffer_info[eop].dma &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3983
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3984
		               (adapter->tx_timeout_factor * HZ))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3985
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3986
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3987
			/* detected Tx unit hang */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3988
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3989
					"  Tx Queue             <%lu>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3990
					"  TDH                  <%x>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3991
					"  TDT                  <%x>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3992
					"  next_to_use          <%x>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3993
					"  next_to_clean        <%x>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3994
					"buffer_info[next_to_clean]\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3995
					"  time_stamp           <%lx>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3996
					"  next_to_watch        <%x>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3997
					"  jiffies              <%lx>\n"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3998
					"  next_to_watch.status <%x>\n",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  3999
				(unsigned long)((tx_ring - adapter->tx_ring) /
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4000
					sizeof(struct e1000_tx_ring)),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4001
				readl(hw->hw_addr + tx_ring->tdh),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4002
				readl(hw->hw_addr + tx_ring->tdt),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4003
				tx_ring->next_to_use,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4004
				tx_ring->next_to_clean,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4005
				tx_ring->buffer_info[eop].time_stamp,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4006
				eop,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4007
				jiffies,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4008
				eop_desc->upper.fields.status);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4009
			netif_stop_queue(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4010
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4011
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4012
	adapter->total_tx_bytes += total_tx_bytes;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4013
	adapter->total_tx_packets += total_tx_packets;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4014
	adapter->net_stats.tx_bytes += total_tx_bytes;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4015
	adapter->net_stats.tx_packets += total_tx_packets;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4016
	return cleaned;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4017
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4018
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4019
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4020
 * e1000_rx_checksum - Receive Checksum Offload for 82543
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4021
 * @adapter:     board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4022
 * @status_err:  receive descriptor status and error fields
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4023
 * @csum:        receive descriptor csum field
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4024
 * @sk_buff:     socket buffer with received data
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4025
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4026
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4027
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4028
			      u32 csum, struct sk_buff *skb)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4029
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4030
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4031
	u16 status = (u16)status_err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4032
	u8 errors = (u8)(status_err >> 24);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4033
	skb->ip_summed = CHECKSUM_NONE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4034
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4035
	/* 82543 or newer only */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4036
	if (unlikely(hw->mac_type < e1000_82543)) return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4037
	/* Ignore Checksum bit is set */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4038
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4039
	/* TCP/UDP checksum error bit is set */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4040
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4041
		/* let the stack verify checksum errors */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4042
		adapter->hw_csum_err++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4043
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4044
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4045
	/* TCP/UDP Checksum has not been calculated */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4046
	if (hw->mac_type <= e1000_82547_rev_2) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4047
		if (!(status & E1000_RXD_STAT_TCPCS))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4048
			return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4049
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4050
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4051
			return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4052
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4053
	/* It must be a TCP or UDP packet with a valid checksum */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4054
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4055
		/* TCP checksum is good */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4056
		skb->ip_summed = CHECKSUM_UNNECESSARY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4057
	} else if (hw->mac_type > e1000_82547_rev_2) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4058
		/* IP fragment with UDP payload */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4059
		/* Hardware complements the payload checksum, so we undo it
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4060
		 * and then put the value in host order for further stack use.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4061
		 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4062
		__sum16 sum = (__force __sum16)htons(csum);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4063
		skb->csum = csum_unfold(~sum);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4064
		skb->ip_summed = CHECKSUM_COMPLETE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4065
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4066
	adapter->hw_csum_good++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4067
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4068
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4069
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4070
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4071
 * @adapter: board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4072
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4073
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4074
			       struct e1000_rx_ring *rx_ring,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4075
			       int *work_done, int work_to_do)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4076
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4077
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4078
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4079
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4080
	struct e1000_rx_desc *rx_desc, *next_rxd;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4081
	struct e1000_buffer *buffer_info, *next_buffer;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4082
	unsigned long flags;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4083
	u32 length;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4084
	u8 last_byte;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4085
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4086
	int cleaned_count = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4087
	bool cleaned = false;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4088
	unsigned int total_rx_bytes=0, total_rx_packets=0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4089
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4090
	i = rx_ring->next_to_clean;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4091
	rx_desc = E1000_RX_DESC(*rx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4092
	buffer_info = &rx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4093
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4094
	while (rx_desc->status & E1000_RXD_STAT_DD) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4095
		struct sk_buff *skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4096
		u8 status;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4097
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4098
		if (*work_done >= work_to_do)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4099
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4100
		(*work_done)++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4101
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4102
		status = rx_desc->status;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4103
		skb = buffer_info->skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4104
		if (!adapter->ecdev) buffer_info->skb = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4105
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4106
		prefetch(skb->data - NET_IP_ALIGN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4107
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4108
		if (++i == rx_ring->count) i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4109
		next_rxd = E1000_RX_DESC(*rx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4110
		prefetch(next_rxd);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4111
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4112
		next_buffer = &rx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4113
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4114
		cleaned = true;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4115
		cleaned_count++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4116
		pci_unmap_single(pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4117
		                 buffer_info->dma,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4118
		                 buffer_info->length,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4119
		                 PCI_DMA_FROMDEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4120
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4121
		length = le16_to_cpu(rx_desc->length);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4122
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4123
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4124
			/* All receives must fit into a single buffer */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4125
			E1000_DBG("%s: Receive packet consumed multiple"
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4126
				  " buffers\n", netdev->name);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4127
			/* recycle */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4128
			buffer_info->skb = skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4129
			goto next_desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4130
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4131
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4132
		if (!adapter->ecdev &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4133
                unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4134
			last_byte = *(skb->data + length - 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4135
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4136
				       last_byte)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4137
				spin_lock_irqsave(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4138
				e1000_tbi_adjust_stats(hw, &adapter->stats,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4139
				                       length, skb->data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4140
				spin_unlock_irqrestore(&adapter->stats_lock,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4141
				                       flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4142
				length--;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4143
			} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4144
				/* recycle */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4145
				buffer_info->skb = skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4146
				goto next_desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4147
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4148
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4149
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4150
		/* adjust length to remove Ethernet CRC, this must be
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4151
		 * done after the TBI_ACCEPT workaround above */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4152
		length -= 4;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4153
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4154
		/* probably a little skewed due to removing CRC */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4155
		total_rx_bytes += length;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4156
		total_rx_packets++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4157
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4158
		/* code added for copybreak, this should improve
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4159
		 * performance for small packets with large amounts
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4160
		 * of reassembly being done in the stack */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4161
		if (!adapter->ecdev && length < copybreak) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4162
			struct sk_buff *new_skb =
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4163
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4164
			if (new_skb) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4165
				skb_reserve(new_skb, NET_IP_ALIGN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4166
				skb_copy_to_linear_data_offset(new_skb,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4167
							       -NET_IP_ALIGN,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4168
							       (skb->data -
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4169
							        NET_IP_ALIGN),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4170
							       (length +
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4171
							        NET_IP_ALIGN));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4172
				/* save the skb in buffer_info as good */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4173
				buffer_info->skb = skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4174
				skb = new_skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4175
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4176
			/* else just continue with the old one */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4177
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4178
		/* end copybreak code */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4179
		skb_put(skb, length);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4180
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4181
		/* Receive Checksum Offload */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4182
		e1000_rx_checksum(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4183
				  (u32)(status) |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4184
				  ((u32)(rx_desc->errors) << 24),
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4185
				  le16_to_cpu(rx_desc->csum), skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4186
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4187
		if (adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4188
			ecdev_receive(adapter->ecdev, skb->data, length);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4189
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4190
			// No need to detect link status as
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4191
			// long as frames are received: Reset watchdog.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4192
			adapter->ec_watchdog_jiffies = jiffies;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4193
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4194
			skb->protocol = eth_type_trans(skb, netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4195
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4196
			if (unlikely(adapter->vlgrp &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4197
						(status & E1000_RXD_STAT_VP))) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4198
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4199
						le16_to_cpu(rx_desc->special));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4200
			} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4201
				netif_receive_skb(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4202
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4203
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4204
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4205
next_desc:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4206
		rx_desc->status = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4207
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4208
		/* return some buffers to hardware, one at a time is too slow */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4209
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4210
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4211
			cleaned_count = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4212
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4213
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4214
		/* use prefetched values */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4215
		rx_desc = next_rxd;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4216
		buffer_info = next_buffer;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4217
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4218
	rx_ring->next_to_clean = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4219
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4220
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4221
	if (cleaned_count)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4222
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4223
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4224
	adapter->total_rx_packets += total_rx_packets;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4225
	adapter->total_rx_bytes += total_rx_bytes;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4226
	adapter->net_stats.rx_bytes += total_rx_bytes;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4227
	adapter->net_stats.rx_packets += total_rx_packets;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4228
	return cleaned;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4229
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4230
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4231
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4232
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4233
 * @adapter: address of board private structure
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4234
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4235
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4236
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4237
				   struct e1000_rx_ring *rx_ring,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4238
				   int cleaned_count)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4239
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4240
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4241
	struct net_device *netdev = adapter->netdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4242
	struct pci_dev *pdev = adapter->pdev;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4243
	struct e1000_rx_desc *rx_desc;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4244
	struct e1000_buffer *buffer_info;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4245
	struct sk_buff *skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4246
	unsigned int i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4247
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4248
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4249
	i = rx_ring->next_to_use;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4250
	buffer_info = &rx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4251
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4252
	while (cleaned_count--) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4253
		skb = buffer_info->skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4254
		if (skb) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4255
			skb_trim(skb, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4256
			goto map_skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4257
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4258
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4259
		skb = netdev_alloc_skb(netdev, bufsz);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4260
		if (unlikely(!skb)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4261
			/* Better luck next round */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4262
			adapter->alloc_rx_buff_failed++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4263
			break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4264
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4265
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4266
		/* Fix for errata 23, can't cross 64kB boundary */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4267
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4268
			struct sk_buff *oldskb = skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4269
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4270
					     "at %p\n", bufsz, skb->data);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4271
			/* Try again, without freeing the previous */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4272
			skb = netdev_alloc_skb(netdev, bufsz);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4273
			/* Failed allocation, critical failure */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4274
			if (!skb) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4275
				dev_kfree_skb(oldskb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4276
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4277
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4278
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4279
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4280
				/* give up */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4281
				dev_kfree_skb(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4282
				dev_kfree_skb(oldskb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4283
				break; /* while !buffer_info->skb */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4284
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4285
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4286
			/* Use new allocation */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4287
			dev_kfree_skb(oldskb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4288
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4289
		/* Make buffer alignment 2 beyond a 16 byte boundary
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4290
		 * this will result in a 16 byte aligned IP header after
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4291
		 * the 14 byte MAC header is removed
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4292
		 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4293
		skb_reserve(skb, NET_IP_ALIGN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4294
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4295
		buffer_info->skb = skb;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4296
		buffer_info->length = adapter->rx_buffer_len;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4297
map_skb:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4298
		buffer_info->dma = pci_map_single(pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4299
						  skb->data,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4300
						  adapter->rx_buffer_len,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4301
						  PCI_DMA_FROMDEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4302
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4303
		/* Fix for errata 23, can't cross 64kB boundary */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4304
		if (!e1000_check_64k_bound(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4305
					(void *)(unsigned long)buffer_info->dma,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4306
					adapter->rx_buffer_len)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4307
			DPRINTK(RX_ERR, ERR,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4308
				"dma align check failed: %u bytes at %p\n",
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4309
				adapter->rx_buffer_len,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4310
				(void *)(unsigned long)buffer_info->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4311
			if (!adapter->ecdev) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4312
				dev_kfree_skb(skb);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4313
				buffer_info->skb = NULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4314
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4315
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4316
			pci_unmap_single(pdev, buffer_info->dma,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4317
					 adapter->rx_buffer_len,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4318
					 PCI_DMA_FROMDEVICE);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4319
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4320
			break; /* while !buffer_info->skb */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4321
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4322
		rx_desc = E1000_RX_DESC(*rx_ring, i);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4323
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4324
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4325
		if (unlikely(++i == rx_ring->count))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4326
			i = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4327
		buffer_info = &rx_ring->buffer_info[i];
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4328
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4329
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4330
	if (likely(rx_ring->next_to_use != i)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4331
		rx_ring->next_to_use = i;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4332
		if (unlikely(i-- == 0))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4333
			i = (rx_ring->count - 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4334
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4335
		/* Force memory writes to complete before letting h/w
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4336
		 * know there are new descriptors to fetch.  (Only
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4337
		 * applicable for weak-ordered memory model archs,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4338
		 * such as IA-64). */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4339
		wmb();
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4340
		writel(i, hw->hw_addr + rx_ring->rdt);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4341
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4342
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4343
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4344
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4345
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4346
 * @adapter:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4347
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4348
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4349
static void e1000_smartspeed(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4350
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4351
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4352
	u16 phy_status;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4353
	u16 phy_ctrl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4354
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4355
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4356
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4357
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4358
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4359
	if (adapter->smartspeed == 0) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4360
		/* If Master/Slave config fault is asserted twice,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4361
		 * we assume back-to-back */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4362
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4363
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4364
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4365
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4366
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4367
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4368
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4369
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4370
					    phy_ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4371
			adapter->smartspeed++;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4372
			if (!e1000_phy_setup_autoneg(hw) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4373
			   !e1000_read_phy_reg(hw, PHY_CTRL,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4374
				   	       &phy_ctrl)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4375
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4376
					     MII_CR_RESTART_AUTO_NEG);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4377
				e1000_write_phy_reg(hw, PHY_CTRL,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4378
						    phy_ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4379
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4380
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4381
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4382
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4383
		/* If still no link, perhaps using 2/3 pair cable */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4384
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4385
		phy_ctrl |= CR_1000T_MS_ENABLE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4386
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4387
		if (!e1000_phy_setup_autoneg(hw) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4388
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4389
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4390
				     MII_CR_RESTART_AUTO_NEG);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4391
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4392
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4393
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4394
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4395
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4396
		adapter->smartspeed = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4397
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4398
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4399
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4400
 * e1000_ioctl -
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4401
 * @netdev:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4402
 * @ifreq:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4403
 * @cmd:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4404
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4405
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4406
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4407
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4408
	switch (cmd) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4409
	case SIOCGMIIPHY:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4410
	case SIOCGMIIREG:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4411
	case SIOCSMIIREG:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4412
		return e1000_mii_ioctl(netdev, ifr, cmd);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4413
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4414
		return -EOPNOTSUPP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4415
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4416
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4417
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4418
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4419
 * e1000_mii_ioctl -
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4420
 * @netdev:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4421
 * @ifreq:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4422
 * @cmd:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4423
 **/
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4424
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4425
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4426
			   int cmd)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4427
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4428
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4429
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4430
	struct mii_ioctl_data *data = if_mii(ifr);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4431
	int retval;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4432
	u16 mii_reg;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4433
	u16 spddplx;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4434
	unsigned long flags;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4435
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4436
	if (hw->media_type != e1000_media_type_copper)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4437
		return -EOPNOTSUPP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4438
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4439
	switch (cmd) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4440
	case SIOCGMIIPHY:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4441
		data->phy_id = hw->phy_addr;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4442
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4443
	case SIOCGMIIREG:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4444
		if (adapter->ecdev || !capable(CAP_NET_ADMIN))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4445
			return -EPERM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4446
		spin_lock_irqsave(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4447
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4448
				   &data->val_out)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4449
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4450
			return -EIO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4451
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4452
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4453
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4454
	case SIOCSMIIREG:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4455
		if (adapter->ecdev || !capable(CAP_NET_ADMIN))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4456
			return -EPERM;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4457
		if (data->reg_num & ~(0x1F))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4458
			return -EFAULT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4459
		mii_reg = data->val_in;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4460
		spin_lock_irqsave(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4461
		if (e1000_write_phy_reg(hw, data->reg_num,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4462
					mii_reg)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4463
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4464
			return -EIO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4465
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4466
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4467
		if (hw->media_type == e1000_media_type_copper) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4468
			switch (data->reg_num) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4469
			case PHY_CTRL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4470
				if (mii_reg & MII_CR_POWER_DOWN)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4471
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4472
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4473
					hw->autoneg = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4474
					hw->autoneg_advertised = 0x2F;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4475
				} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4476
					if (mii_reg & 0x40)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4477
						spddplx = SPEED_1000;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4478
					else if (mii_reg & 0x2000)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4479
						spddplx = SPEED_100;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4480
					else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4481
						spddplx = SPEED_10;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4482
					spddplx += (mii_reg & 0x100)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4483
						   ? DUPLEX_FULL :
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4484
						   DUPLEX_HALF;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4485
					retval = e1000_set_spd_dplx(adapter,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4486
								    spddplx);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4487
					if (retval)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4488
						return retval;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4489
				}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4490
				if (netif_running(adapter->netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4491
					e1000_reinit_locked(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4492
				else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4493
					e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4494
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4495
			case M88E1000_PHY_SPEC_CTRL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4496
			case M88E1000_EXT_PHY_SPEC_CTRL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4497
				if (e1000_phy_reset(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4498
					return -EIO;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4499
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4500
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4501
		} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4502
			switch (data->reg_num) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4503
			case PHY_CTRL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4504
				if (mii_reg & MII_CR_POWER_DOWN)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4505
					break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4506
				if (netif_running(adapter->netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4507
					e1000_reinit_locked(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4508
				else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4509
					e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4510
				break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4511
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4512
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4513
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4514
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4515
		return -EOPNOTSUPP;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4516
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4517
	return E1000_SUCCESS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4518
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4519
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4520
void e1000_pci_set_mwi(struct e1000_hw *hw)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4521
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4522
	struct e1000_adapter *adapter = hw->back;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4523
	int ret_val = pci_set_mwi(adapter->pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4524
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4525
	if (ret_val)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4526
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4527
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4528
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4529
void e1000_pci_clear_mwi(struct e1000_hw *hw)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4530
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4531
	struct e1000_adapter *adapter = hw->back;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4532
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4533
	pci_clear_mwi(adapter->pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4534
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4535
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4536
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4537
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4538
	struct e1000_adapter *adapter = hw->back;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4539
	return pcix_get_mmrbc(adapter->pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4540
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4541
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4542
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4543
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4544
	struct e1000_adapter *adapter = hw->back;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4545
	pcix_set_mmrbc(adapter->pdev, mmrbc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4546
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4547
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4548
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4549
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4550
    struct e1000_adapter *adapter = hw->back;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4551
    u16 cap_offset;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4552
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4553
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4554
    if (!cap_offset)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4555
        return -E1000_ERR_CONFIG;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4556
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4557
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4558
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4559
    return E1000_SUCCESS;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4560
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4561
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4562
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4563
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4564
	outl(value, port);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4565
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4566
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4567
static void e1000_vlan_rx_register(struct net_device *netdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4568
				   struct vlan_group *grp)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4569
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4570
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4571
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4572
	u32 ctrl, rctl;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4573
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4574
	if (!test_bit(__E1000_DOWN, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4575
		e1000_irq_disable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4576
	adapter->vlgrp = grp;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4577
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4578
	if (grp) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4579
		/* enable VLAN tag insert/strip */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4580
		ctrl = er32(CTRL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4581
		ctrl |= E1000_CTRL_VME;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4582
		ew32(CTRL, ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4583
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4584
		if (adapter->hw.mac_type != e1000_ich8lan) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4585
			/* enable VLAN receive filtering */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4586
			rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4587
			rctl &= ~E1000_RCTL_CFIEN;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4588
			ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4589
			e1000_update_mng_vlan(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4590
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4591
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4592
		/* disable VLAN tag insert/strip */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4593
		ctrl = er32(CTRL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4594
		ctrl &= ~E1000_CTRL_VME;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4595
		ew32(CTRL, ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4596
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4597
		if (adapter->hw.mac_type != e1000_ich8lan) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4598
			if (adapter->mng_vlan_id !=
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4599
			    (u16)E1000_MNG_VLAN_NONE) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4600
				e1000_vlan_rx_kill_vid(netdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4601
				                       adapter->mng_vlan_id);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4602
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4603
			}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4604
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4605
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4606
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4607
	if (!test_bit(__E1000_DOWN, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4608
		e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4609
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4610
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4611
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4612
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4613
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4614
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4615
	u32 vfta, index;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4616
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4617
	if ((hw->mng_cookie.status &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4618
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4619
	    (vid == adapter->mng_vlan_id))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4620
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4621
	/* add VID to filter table */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4622
	index = (vid >> 5) & 0x7F;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4623
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4624
	vfta |= (1 << (vid & 0x1F));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4625
	e1000_write_vfta(hw, index, vfta);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4626
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4627
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4628
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4629
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4630
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4631
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4632
	u32 vfta, index;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4633
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4634
	if (!test_bit(__E1000_DOWN, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4635
		e1000_irq_disable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4636
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4637
	if (!test_bit(__E1000_DOWN, &adapter->flags))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4638
		e1000_irq_enable(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4639
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4640
	if ((hw->mng_cookie.status &
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4641
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4642
	    (vid == adapter->mng_vlan_id)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4643
		/* release control to f/w */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4644
		e1000_release_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4645
		return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4646
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4647
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4648
	/* remove VID from filter table */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4649
	index = (vid >> 5) & 0x7F;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4650
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4651
	vfta &= ~(1 << (vid & 0x1F));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4652
	e1000_write_vfta(hw, index, vfta);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4653
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4654
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4655
static void e1000_restore_vlan(struct e1000_adapter *adapter)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4656
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4657
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4658
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4659
	if (adapter->vlgrp) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4660
		u16 vid;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4661
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4662
			if (!vlan_group_get_device(adapter->vlgrp, vid))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4663
				continue;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4664
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4665
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4666
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4667
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4668
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4669
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4670
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4671
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4672
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4673
	hw->autoneg = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4674
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4675
	/* Fiber NICs only allow 1000 gbps Full duplex */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4676
	if ((hw->media_type == e1000_media_type_fiber) &&
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4677
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4678
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4679
		return -EINVAL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4680
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4681
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4682
	switch (spddplx) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4683
	case SPEED_10 + DUPLEX_HALF:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4684
		hw->forced_speed_duplex = e1000_10_half;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4685
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4686
	case SPEED_10 + DUPLEX_FULL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4687
		hw->forced_speed_duplex = e1000_10_full;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4688
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4689
	case SPEED_100 + DUPLEX_HALF:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4690
		hw->forced_speed_duplex = e1000_100_half;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4691
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4692
	case SPEED_100 + DUPLEX_FULL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4693
		hw->forced_speed_duplex = e1000_100_full;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4694
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4695
	case SPEED_1000 + DUPLEX_FULL:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4696
		hw->autoneg = 1;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4697
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4698
		break;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4699
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4700
	default:
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4701
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4702
		return -EINVAL;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4703
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4704
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4705
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4706
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4707
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4708
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4709
	struct net_device *netdev = pci_get_drvdata(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4710
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4711
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4712
	u32 ctrl, ctrl_ext, rctl, status;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4713
	u32 wufc = adapter->wol;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4714
#ifdef CONFIG_PM
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4715
	int retval = 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4716
#endif
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4717
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4718
	if (adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4719
		return -EBUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4720
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4721
	netif_device_detach(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4722
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4723
	if (netif_running(netdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4724
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4725
		e1000_down(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4726
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4727
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4728
#ifdef CONFIG_PM
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4729
	retval = pci_save_state(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4730
	if (retval)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4731
		return retval;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4732
#endif
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4733
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4734
	status = er32(STATUS);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4735
	if (status & E1000_STATUS_LU)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4736
		wufc &= ~E1000_WUFC_LNKC;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4737
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4738
	if (wufc) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4739
		e1000_setup_rctl(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4740
		e1000_set_rx_mode(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4741
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4742
		/* turn on all-multi mode if wake on multicast is enabled */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4743
		if (wufc & E1000_WUFC_MC) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4744
			rctl = er32(RCTL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4745
			rctl |= E1000_RCTL_MPE;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4746
			ew32(RCTL, rctl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4747
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4748
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4749
		if (hw->mac_type >= e1000_82540) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4750
			ctrl = er32(CTRL);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4751
			/* advertise wake from D3Cold */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4752
			#define E1000_CTRL_ADVD3WUC 0x00100000
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4753
			/* phy power management enable */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4754
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4755
			ctrl |= E1000_CTRL_ADVD3WUC |
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4756
				E1000_CTRL_EN_PHY_PWR_MGMT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4757
			ew32(CTRL, ctrl);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4758
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4759
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4760
		if (hw->media_type == e1000_media_type_fiber ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4761
		   hw->media_type == e1000_media_type_internal_serdes) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4762
			/* keep the laser running in D3 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4763
			ctrl_ext = er32(CTRL_EXT);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4764
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4765
			ew32(CTRL_EXT, ctrl_ext);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4766
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4767
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4768
		/* Allow time for pending master requests to run */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4769
		e1000_disable_pciex_master(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4770
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4771
		ew32(WUC, E1000_WUC_PME_EN);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4772
		ew32(WUFC, wufc);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4773
		pci_enable_wake(pdev, PCI_D3hot, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4774
		pci_enable_wake(pdev, PCI_D3cold, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4775
	} else {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4776
		ew32(WUC, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4777
		ew32(WUFC, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4778
		pci_enable_wake(pdev, PCI_D3hot, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4779
		pci_enable_wake(pdev, PCI_D3cold, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4780
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4781
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4782
	e1000_release_manageability(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4783
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4784
	/* make sure adapter isn't asleep if manageability is enabled */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4785
	if (adapter->en_mng_pt) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4786
		pci_enable_wake(pdev, PCI_D3hot, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4787
		pci_enable_wake(pdev, PCI_D3cold, 1);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4788
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4789
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4790
	if (hw->phy_type == e1000_phy_igp_3)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4791
		e1000_phy_powerdown_workaround(hw);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4792
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4793
	if (netif_running(netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4794
		e1000_free_irq(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4795
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4796
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4797
	 * would have already happened in close and is redundant. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4798
	e1000_release_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4799
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4800
	pci_disable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4801
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4802
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4803
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4804
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4805
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4806
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4807
#ifdef CONFIG_PM
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4808
static int e1000_resume(struct pci_dev *pdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4809
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4810
	struct net_device *netdev = pci_get_drvdata(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4811
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4812
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4813
	u32 err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4814
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4815
	if (adapter->ecdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4816
		return -EBUSY;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4817
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4818
	pci_set_power_state(pdev, PCI_D0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4819
	pci_restore_state(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4820
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4821
	if (adapter->need_ioport)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4822
		err = pci_enable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4823
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4824
		err = pci_enable_device_mem(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4825
	if (err) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4826
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4827
		return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4828
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4829
	pci_set_master(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4830
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4831
	pci_enable_wake(pdev, PCI_D3hot, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4832
	pci_enable_wake(pdev, PCI_D3cold, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4833
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4834
	if (netif_running(netdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4835
		err = e1000_request_irq(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4836
		if (err)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4837
			return err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4838
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4839
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4840
	e1000_power_up_phy(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4841
	e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4842
	ew32(WUS, ~0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4843
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4844
	e1000_init_manageability(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4845
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4846
	if (netif_running(netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4847
		e1000_up(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4848
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4849
	if (!adapter->ecdev) netif_device_attach(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4850
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4851
	/* If the controller is 82573 and f/w is AMT, do not set
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4852
	 * DRV_LOAD until the interface is up.  For all other cases,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4853
	 * let the f/w know that the h/w is now under the control
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4854
	 * of the driver. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4855
	if (hw->mac_type != e1000_82573 ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4856
	    !e1000_check_mng_mode(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4857
		e1000_get_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4858
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4859
	return 0;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4860
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4861
#endif
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4862
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4863
static void e1000_shutdown(struct pci_dev *pdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4864
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4865
	e1000_suspend(pdev, PMSG_SUSPEND);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4866
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4867
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4868
#ifdef CONFIG_NET_POLL_CONTROLLER
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4869
/*
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4870
 * Polling 'interrupt' - used by things like netconsole to send skbs
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4871
 * without having to re-enable interrupts. It's not called while
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4872
 * the interrupt routine is executing.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4873
 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4874
static void e1000_netpoll(struct net_device *netdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4875
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4876
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4877
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4878
	disable_irq(adapter->pdev->irq);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4879
	e1000_intr(adapter->pdev->irq, netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4880
	enable_irq(adapter->pdev->irq);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4881
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4882
#endif
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4883
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4884
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4885
 * e1000_io_error_detected - called when PCI error is detected
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4886
 * @pdev: Pointer to PCI device
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4887
 * @state: The current pci conneection state
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4888
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4889
 * This function is called after a PCI bus error affecting
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4890
 * this device has been detected.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4891
 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4892
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4893
						pci_channel_state_t state)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4894
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4895
	struct net_device *netdev = pci_get_drvdata(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4896
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4897
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4898
	netif_device_detach(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4899
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4900
	if (netif_running(netdev))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4901
		e1000_down(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4902
	pci_disable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4903
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4904
	/* Request a slot slot reset. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4905
	return PCI_ERS_RESULT_NEED_RESET;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4906
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4907
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4908
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4909
 * e1000_io_slot_reset - called after the pci bus has been reset.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4910
 * @pdev: Pointer to PCI device
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4911
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4912
 * Restart the card from scratch, as if from a cold-boot. Implementation
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4913
 * resembles the first-half of the e1000_resume routine.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4914
 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4915
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4916
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4917
	struct net_device *netdev = pci_get_drvdata(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4918
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4919
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4920
	int err;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4921
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4922
	if (adapter->need_ioport)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4923
		err = pci_enable_device(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4924
	else
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4925
		err = pci_enable_device_mem(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4926
	if (err) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4927
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4928
		return PCI_ERS_RESULT_DISCONNECT;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4929
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4930
	pci_set_master(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4931
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4932
	pci_enable_wake(pdev, PCI_D3hot, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4933
	pci_enable_wake(pdev, PCI_D3cold, 0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4934
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4935
	e1000_reset(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4936
	ew32(WUS, ~0);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4937
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4938
	return PCI_ERS_RESULT_RECOVERED;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4939
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4940
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4941
/**
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4942
 * e1000_io_resume - called when traffic can start flowing again.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4943
 * @pdev: Pointer to PCI device
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4944
 *
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4945
 * This callback is called when the error recovery driver tells us that
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4946
 * its OK to resume normal operation. Implementation resembles the
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4947
 * second-half of the e1000_resume routine.
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4948
 */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4949
static void e1000_io_resume(struct pci_dev *pdev)
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4950
{
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4951
	struct net_device *netdev = pci_get_drvdata(pdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4952
	struct e1000_adapter *adapter = netdev_priv(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4953
	struct e1000_hw *hw = &adapter->hw;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4954
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4955
	e1000_init_manageability(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4956
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4957
	if (netif_running(netdev)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4958
		if (e1000_up(adapter)) {
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4959
			printk("e1000: can't bring device back up after reset\n");
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4960
			return;
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4961
		}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4962
	}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4963
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4964
	netif_device_attach(netdev);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4965
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4966
	/* If the controller is 82573 and f/w is AMT, do not set
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4967
	 * DRV_LOAD until the interface is up.  For all other cases,
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4968
	 * let the f/w know that the h/w is now under the control
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4969
	 * of the driver. */
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4970
	if (hw->mac_type != e1000_82573 ||
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4971
	    !e1000_check_mng_mode(hw))
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4972
		e1000_get_hw_control(adapter);
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4973
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4974
}
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4975
4adb56c4198d Add e1000 for 2.6.29
Andreas Stewering-Bone <ab@igh-essen.com>
parents:
diff changeset
  4976
/* e1000_main.c */