devices/e1000/e1000_main-2.6.31-ethercat.c
author Florian Pose <fp@igh-essen.com>
Fri, 16 Sep 2016 11:57:01 +0200
branchstable-1.5
changeset 2657 bb2163e6b145
parent 2582 87e502828b3f
permissions -rw-r--r--
merge
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#include "e1000-2.6.31-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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#ifdef CONFIG_PM
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("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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   261
	int irq_flags = IRQF_SHARED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   262
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   263
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   264
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   265
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   266
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   267
	if (hw->mac_type >= e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   268
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
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parents:
diff changeset
   269
		if (adapter->have_msi) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   270
			handler = e1000_intr_msi;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   271
			irq_flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   272
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   273
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   274
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   275
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   276
	                  netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   277
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
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parents:
diff changeset
   278
		if (adapter->have_msi)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   279
			pci_disable_msi(adapter->pdev);
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   280
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   281
		        "Unable to allocate interrupt Error: %d\n", err);
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parents:
diff changeset
   282
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   283
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   284
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   285
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   286
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   287
static void e1000_free_irq(struct e1000_adapter *adapter)
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parents:
diff changeset
   288
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   289
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   290
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   291
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   292
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   293
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   294
	free_irq(adapter->pdev->irq, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   295
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   296
	if (adapter->have_msi)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   297
		pci_disable_msi(adapter->pdev);
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   298
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   299
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   300
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   301
 * e1000_irq_disable - Mask off interrupt generation on the NIC
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   302
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   303
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   304
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   305
static void e1000_irq_disable(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   306
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   307
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   308
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   309
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   310
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   311
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   312
	ew32(IMC, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   313
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   314
	synchronize_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   315
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   316
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   317
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   318
 * e1000_irq_enable - Enable default interrupt generation settings
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   319
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   320
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   321
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   322
static void e1000_irq_enable(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   323
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   324
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   325
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   326
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   327
		return;
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2212
diff changeset
   328
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   329
	ew32(IMS, IMS_ENABLE_MASK);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   330
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   331
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   332
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   333
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   334
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   335
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   336
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   337
	u16 vid = hw->mng_cookie.vlan_id;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   338
	u16 old_vid = adapter->mng_vlan_id;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   339
	if (adapter->vlgrp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   340
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   341
			if (hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   342
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   343
				e1000_vlan_rx_add_vid(netdev, vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   344
				adapter->mng_vlan_id = vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   345
			} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   346
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   348
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   349
					(vid != old_vid) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   350
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   351
				e1000_vlan_rx_kill_vid(netdev, old_vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   352
		} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   353
			adapter->mng_vlan_id = vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   354
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   355
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   356
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   357
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   358
 * e1000_release_hw_control - release control of the h/w to f/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   359
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   360
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   361
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   362
 * For ASF and Pass Through versions of f/w this means that the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   363
 * driver is no longer loaded. For AMT version (only with 82573) i
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   364
 * of the f/w this means that the network i/f is closed.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   365
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   366
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   367
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   368
static void e1000_release_hw_control(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   369
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   370
	u32 ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   371
	u32 swsm;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   372
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   373
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   374
	/* Let firmware taken over control of h/w */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   375
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   376
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   377
		swsm = er32(SWSM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   378
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   379
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   380
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   381
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   382
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   383
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   384
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   385
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   386
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   387
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   388
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   389
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   390
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   391
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   392
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   393
 * e1000_get_hw_control - get control of the h/w from f/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   394
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   395
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   396
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   397
 * For ASF and Pass Through versions of f/w this means that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   398
 * the driver is loaded. For AMT version (only with 82573)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   399
 * of the f/w this means that the network i/f is open.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   400
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   401
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   402
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   403
static void e1000_get_hw_control(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   404
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   405
	u32 ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   406
	u32 swsm;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   407
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   409
	/* Let firmware know the driver has taken over */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   410
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   411
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   412
		swsm = er32(SWSM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   413
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   414
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   415
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   416
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   417
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   418
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   419
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   420
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   421
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   422
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   423
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   424
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   425
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   426
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   427
static void e1000_init_manageability(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   428
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   429
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   430
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   431
	if (adapter->en_mng_pt) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   432
		u32 manc = er32(MANC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   433
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   434
		/* disable hardware interception of ARP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   435
		manc &= ~(E1000_MANC_ARP_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   436
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   437
		/* enable receiving management packets to the host */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   438
		/* this will probably generate destination unreachable messages
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   439
		 * from the host OS, but the packets will be handled on SMBUS */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   440
		if (hw->has_manc2h) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   441
			u32 manc2h = er32(MANC2H);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   442
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   443
			manc |= E1000_MANC_EN_MNG2HOST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   444
#define E1000_MNG2HOST_PORT_623 (1 << 5)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   445
#define E1000_MNG2HOST_PORT_664 (1 << 6)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   446
			manc2h |= E1000_MNG2HOST_PORT_623;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   447
			manc2h |= E1000_MNG2HOST_PORT_664;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   448
			ew32(MANC2H, manc2h);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   449
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   450
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   451
		ew32(MANC, manc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   452
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   453
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   454
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   455
static void e1000_release_manageability(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   456
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   457
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   458
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   459
	if (adapter->en_mng_pt) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   460
		u32 manc = er32(MANC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   461
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   462
		/* re-enable hardware interception of ARP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   463
		manc |= E1000_MANC_ARP_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   464
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   465
		if (hw->has_manc2h)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   466
			manc &= ~E1000_MANC_EN_MNG2HOST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   467
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   468
		/* don't explicitly have to mess with MANC2H since
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   469
		 * MANC has an enable disable that gates MANC2H */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   470
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   471
		ew32(MANC, manc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   472
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   473
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   474
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   475
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   476
 * e1000_configure - configure the hardware for RX and TX
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   477
 * @adapter = private board structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   478
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   479
static void e1000_configure(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   480
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   481
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   482
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   483
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   484
	e1000_set_rx_mode(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   485
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   486
	e1000_restore_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   487
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   488
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   489
	e1000_configure_tx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   490
	e1000_setup_rctl(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   491
	e1000_configure_rx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   492
	/* call E1000_DESC_UNUSED which always leaves
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   493
	 * at least 1 descriptor unused to make sure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   494
	 * next_to_use != next_to_clean */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   495
	for (i = 0; i < adapter->num_rx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   496
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   497
		if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   498
			/* fill rx ring completely! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   499
			adapter->alloc_rx_buf(adapter, ring, ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   500
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   501
            /* this one leaves the last ring element unallocated! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   502
			adapter->alloc_rx_buf(adapter, ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   503
					E1000_DESC_UNUSED(ring));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   504
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   505
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   506
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   507
	adapter->tx_queue_len = netdev->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   508
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   509
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   510
int e1000_up(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   511
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   512
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   513
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   514
	/* hardware has been reset, we need to reload some things */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   515
	e1000_configure(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   516
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   517
	clear_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   519
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   520
		napi_enable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   521
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   522
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   523
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   524
		netif_wake_queue(adapter->netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   525
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   526
		/* fire a link change interrupt to start the watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   527
		ew32(ICS, E1000_ICS_LSC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   528
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   529
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   530
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   531
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   532
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   533
 * e1000_power_up_phy - restore link in case the phy was powered down
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   534
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   535
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   536
 * The phy may be powered down to save power and turn off link when the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   537
 * driver is unloaded and wake on lan is not enabled (among others)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   538
 * *** this routine MUST be followed by a call to e1000_reset ***
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   539
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   540
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   541
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   542
void e1000_power_up_phy(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   543
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   544
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   545
	u16 mii_reg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   546
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   547
	/* Just clear the power down bit to wake the phy back up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   548
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   549
		/* according to the manual, the phy will retain its
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   550
		 * settings across a power-down/up cycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   551
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   552
		mii_reg &= ~MII_CR_POWER_DOWN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   553
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   554
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   555
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   556
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   557
static void e1000_power_down_phy(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   558
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   559
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   560
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   561
	/* Power down the PHY so no link is implied when interface is down *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   562
	 * The PHY cannot be powered down if any of the following is true *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   563
	 * (a) WoL is enabled
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   564
	 * (b) AMT is active
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   565
	 * (c) SoL/IDER session is active */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   566
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   567
	   hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   568
		u16 mii_reg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   569
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   570
		switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   571
		case e1000_82540:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   572
		case e1000_82545:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   573
		case e1000_82545_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   574
		case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   575
		case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   576
		case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   577
		case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   578
		case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   579
		case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   580
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   581
				goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   582
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   583
		case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   584
		case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   585
		case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   586
		case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   587
		case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   588
			if (e1000_check_mng_mode(hw) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   589
			    e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   590
				goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   591
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   592
		default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   593
			goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   594
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   595
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   596
		mii_reg |= MII_CR_POWER_DOWN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   597
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   598
		mdelay(1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   599
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   600
out:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   601
	return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   602
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   603
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   604
void e1000_down(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   605
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   606
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   607
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   608
	u32 rctl, tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   609
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   610
	/* signal that we're down so the interrupt handler does not
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   611
	 * reschedule our watchdog timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   612
	set_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   613
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   614
	/* disable receives in the hardware */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   615
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   616
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   617
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   618
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   619
		/* flush and sleep below */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   620
		/* can be netif_tx_disable when NETIF_F_LLTX is removed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   621
		netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   622
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   623
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   624
	/* disable transmits in the hardware */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   625
	tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   626
	tctl &= ~E1000_TCTL_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   627
	ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   628
	/* flush both disables and wait for them to finish */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   629
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   630
	msleep(10);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   631
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   632
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   633
		napi_disable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   634
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   635
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   636
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   637
		del_timer_sync(&adapter->tx_fifo_stall_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   638
		del_timer_sync(&adapter->watchdog_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   639
		del_timer_sync(&adapter->phy_info_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   640
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   641
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   642
	netdev->tx_queue_len = adapter->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   643
	adapter->link_speed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   644
	adapter->link_duplex = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   645
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   646
		netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   647
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   648
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   649
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   650
	e1000_clean_all_tx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   651
	e1000_clean_all_rx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   652
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   653
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   654
void e1000_reinit_locked(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   655
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   656
	WARN_ON(in_interrupt());
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   657
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   658
		msleep(1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   659
	e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   660
	e1000_up(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   661
	clear_bit(__E1000_RESETTING, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   662
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   663
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   664
void e1000_reset(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   665
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   666
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   667
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   668
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   669
	bool legacy_pba_adjust = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   670
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   671
	/* Repartition Pba for greater than 9k mtu
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   672
	 * To take effect CTRL.RST is required.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   673
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   674
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   675
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   676
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   677
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   678
	case e1000_82543:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   679
	case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   680
	case e1000_82540:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   681
	case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   682
	case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   683
		legacy_pba_adjust = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   684
		pba = E1000_PBA_48K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   685
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   686
	case e1000_82545:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   687
	case e1000_82545_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   688
	case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   689
	case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   690
		pba = E1000_PBA_48K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   691
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   692
	case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   693
	case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   694
		legacy_pba_adjust = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   695
		pba = E1000_PBA_30K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   696
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   697
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   698
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   699
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   700
		pba = E1000_PBA_38K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   701
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   702
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   703
		pba = E1000_PBA_20K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   704
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   705
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   706
		pba = E1000_PBA_8K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   707
	case e1000_undefined:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   708
	case e1000_num_macs:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   709
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   710
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   711
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   712
	if (legacy_pba_adjust) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   713
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   714
			pba -= 8; /* allocate more FIFO for Tx */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   715
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   716
		if (hw->mac_type == e1000_82547) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   717
			adapter->tx_fifo_head = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   718
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   719
			adapter->tx_fifo_size =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   720
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   721
			atomic_set(&adapter->tx_fifo_stall, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   722
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   723
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   724
		/* adjust PBA for jumbo frames */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   725
		ew32(PBA, pba);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   726
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   727
		/* To maintain wire speed transmits, the Tx FIFO should be
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   728
		 * large enough to accomodate two full transmit packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   729
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   730
		 * the Rx FIFO should be large enough to accomodate at least
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   731
		 * one full receive packet and is similarly rounded up and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   732
		 * expressed in KB. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   733
		pba = er32(PBA);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   734
		/* upper 16 bits has Tx packet buffer allocation size in KB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   735
		tx_space = pba >> 16;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   736
		/* lower 16 bits has Rx packet buffer allocation size in KB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   737
		pba &= 0xffff;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   738
		/* don't include ethernet FCS because hardware appends/strips */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   739
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   740
		               VLAN_TAG_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   741
		min_tx_space = min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   742
		min_tx_space *= 2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   743
		min_tx_space = ALIGN(min_tx_space, 1024);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   744
		min_tx_space >>= 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   745
		min_rx_space = ALIGN(min_rx_space, 1024);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   746
		min_rx_space >>= 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   747
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   748
		/* If current Tx allocation is less than the min Tx FIFO size,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   749
		 * and the min Tx FIFO size is less than the current Rx FIFO
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   750
		 * allocation, take space away from current Rx allocation */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   751
		if (tx_space < min_tx_space &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   752
		    ((min_tx_space - tx_space) < pba)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   753
			pba = pba - (min_tx_space - tx_space);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   754
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   755
			/* PCI/PCIx hardware has PBA alignment constraints */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   756
			switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   757
			case e1000_82545 ... e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   758
				pba &= ~(E1000_PBA_8K - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   759
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   760
			default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   761
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   762
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   763
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   764
			/* if short on rx space, rx wins and must trump tx
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   765
			 * adjustment or use Early Receive if available */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   766
			if (pba < min_rx_space) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   767
				switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   768
				case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   769
					/* ERT enabled in e1000_configure_rx */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   770
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   771
				default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   772
					pba = min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   773
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   774
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   775
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   776
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   777
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   778
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   779
	ew32(PBA, pba);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   780
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   781
	/* flow control settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   782
	/* Set the FC high water mark to 90% of the FIFO size.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   783
	 * Required to clear last 3 LSB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   784
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   785
	/* We can't use 90% on small FIFOs because the remainder
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   786
	 * would be less than 1 full frame.  In this case, we size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   787
	 * it to allow at least a full frame above the high water
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   788
	 *  mark. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   789
	if (pba < E1000_PBA_16K)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   790
		fc_high_water_mark = (pba * 1024) - 1600;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   791
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   792
	hw->fc_high_water = fc_high_water_mark;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   793
	hw->fc_low_water = fc_high_water_mark - 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   794
	if (hw->mac_type == e1000_80003es2lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   795
		hw->fc_pause_time = 0xFFFF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   796
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   797
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   798
	hw->fc_send_xon = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   799
	hw->fc = hw->original_fc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   800
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   801
	/* Allow time for pending master requests to run */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   802
	e1000_reset_hw(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   803
	if (hw->mac_type >= e1000_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   804
		ew32(WUC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   805
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   806
	if (e1000_init_hw(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   807
		DPRINTK(PROBE, ERR, "Hardware Error\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   808
	e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   809
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   810
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   811
	if (hw->mac_type >= e1000_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   812
	    hw->mac_type <= e1000_82547_rev_2 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   813
	    hw->autoneg == 1 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   814
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   815
		u32 ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   816
		/* clear phy power management bit if we are in gig only mode,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   817
		 * which if enabled will attempt negotiation to 100Mb, which
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   818
		 * can cause a loss of link at power off or driver unload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   819
		ctrl &= ~E1000_CTRL_SWDPIN3;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   820
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   821
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   822
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   823
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   824
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   825
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   826
	e1000_reset_adaptive(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   827
	e1000_phy_get_info(hw, &adapter->phy_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   828
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   829
	if (!adapter->smart_power_down &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   830
	    (hw->mac_type == e1000_82571 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   831
	     hw->mac_type == e1000_82572)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   832
		u16 phy_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   833
		/* speed up time to link by disabling smart power down, ignore
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   834
		 * the return value of this function because there is nothing
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   835
		 * different we would do if it failed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   836
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   837
		                   &phy_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   838
		phy_data &= ~IGP02E1000_PM_SPD;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   839
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   840
		                    phy_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   841
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   842
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   843
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   844
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   845
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   846
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   847
 *  Dump the eeprom for users having checksum issues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   848
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   849
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   850
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   851
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   852
	struct ethtool_eeprom eeprom;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   853
	const struct ethtool_ops *ops = netdev->ethtool_ops;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   854
	u8 *data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   855
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   856
	u16 csum_old, csum_new = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   857
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   858
	eeprom.len = ops->get_eeprom_len(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   859
	eeprom.offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   860
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   861
	data = kmalloc(eeprom.len, GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   862
	if (!data) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   863
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   864
		       " data\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   865
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   866
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   867
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   868
	ops->get_eeprom(netdev, &eeprom, data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   869
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   870
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   871
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   872
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   873
		csum_new += data[i] + (data[i + 1] << 8);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   874
	csum_new = EEPROM_SUM - csum_new;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   875
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   876
	printk(KERN_ERR "/*********************/\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   877
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   878
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   879
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   880
	printk(KERN_ERR "Offset    Values\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   881
	printk(KERN_ERR "========  ======\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   882
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   883
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   884
	printk(KERN_ERR "Include this output when contacting your support "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   885
	       "provider.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   886
	printk(KERN_ERR "This is not a software error! Something bad "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   887
	       "happened to your hardware or\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   888
	printk(KERN_ERR "EEPROM image. Ignoring this "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   889
	       "problem could result in further problems,\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   890
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   891
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   892
	       "which is invalid\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   893
	printk(KERN_ERR "and requires you to set the proper MAC "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   894
	       "address manually before continuing\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   895
	printk(KERN_ERR "to enable this network device.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   896
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   897
	       "to your hardware vendor\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   898
	printk(KERN_ERR "or Intel Customer Support.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   899
	printk(KERN_ERR "/*********************/\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   900
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   901
	kfree(data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   902
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   903
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   904
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   905
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   906
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   907
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   908
 * Return true if an adapter needs ioport resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   909
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   910
static int e1000_is_need_ioport(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   911
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   912
	switch (pdev->device) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   913
	case E1000_DEV_ID_82540EM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   914
	case E1000_DEV_ID_82540EM_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   915
	case E1000_DEV_ID_82540EP:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   916
	case E1000_DEV_ID_82540EP_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   917
	case E1000_DEV_ID_82540EP_LP:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   918
	case E1000_DEV_ID_82541EI:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   919
	case E1000_DEV_ID_82541EI_MOBILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   920
	case E1000_DEV_ID_82541ER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   921
	case E1000_DEV_ID_82541ER_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   922
	case E1000_DEV_ID_82541GI:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   923
	case E1000_DEV_ID_82541GI_LF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   924
	case E1000_DEV_ID_82541GI_MOBILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   925
	case E1000_DEV_ID_82544EI_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   926
	case E1000_DEV_ID_82544EI_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   927
	case E1000_DEV_ID_82544GC_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   928
	case E1000_DEV_ID_82544GC_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   929
	case E1000_DEV_ID_82545EM_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   930
	case E1000_DEV_ID_82545EM_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   931
	case E1000_DEV_ID_82546EB_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   932
	case E1000_DEV_ID_82546EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   933
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   934
		return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   935
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   936
		return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   937
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   938
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   939
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   940
static const struct net_device_ops e1000_netdev_ops = {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   941
	.ndo_open		= e1000_open,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   942
	.ndo_stop		= e1000_close,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   943
	.ndo_start_xmit		= e1000_xmit_frame,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   944
	.ndo_get_stats		= e1000_get_stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   945
	.ndo_set_rx_mode	= e1000_set_rx_mode,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   946
	.ndo_set_mac_address	= e1000_set_mac,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   947
	.ndo_tx_timeout 	= e1000_tx_timeout,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   948
	.ndo_change_mtu		= e1000_change_mtu,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   949
	.ndo_do_ioctl		= e1000_ioctl,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   950
	.ndo_validate_addr	= eth_validate_addr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   951
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   952
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   953
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   954
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   955
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   956
	.ndo_poll_controller	= e1000_netpoll,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   957
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   958
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   959
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   960
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   961
 * e1000_probe - Device Initialization Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   962
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   963
 * @ent: entry in e1000_pci_tbl
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   964
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   965
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   966
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   967
 * e1000_probe initializes an adapter identified by a pci_dev structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   968
 * The OS initialization, configuring of the adapter private structure,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   969
 * and a hardware reset occur.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   970
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   971
static int __devinit e1000_probe(struct pci_dev *pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   972
				 const struct pci_device_id *ent)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   973
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   974
	struct net_device *netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   975
	struct e1000_adapter *adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   976
	struct e1000_hw *hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   977
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   978
	static int cards_found = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   979
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   980
	int i, err, pci_using_dac;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   981
	u16 eeprom_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   982
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   983
	int bars, need_ioport;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   984
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   985
	/* do not allocate ioport bars when not needed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   986
	need_ioport = e1000_is_need_ioport(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   987
	if (need_ioport) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   988
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   989
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   990
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   991
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   992
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   993
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   994
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   995
		return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   996
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   997
	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   998
	    !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   999
		pci_using_dac = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1000
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1001
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1002
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1003
			err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1004
			if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1005
				E1000_ERR("No usable DMA configuration, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1006
					  "aborting\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1007
				goto err_dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1008
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1009
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1010
		pci_using_dac = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1011
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1012
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1013
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1014
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1015
		goto err_pci_reg;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1016
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1017
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1018
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1019
	err = -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1020
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1021
	if (!netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1022
		goto err_alloc_etherdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1023
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1024
	SET_NETDEV_DEV(netdev, &pdev->dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1025
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1026
	pci_set_drvdata(pdev, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1027
	adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1028
	adapter->netdev = netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1029
	adapter->pdev = pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1030
	adapter->msg_enable = (1 << debug) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1031
	adapter->bars = bars;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1032
	adapter->need_ioport = need_ioport;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1033
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1034
	hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1035
	hw->back = adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1036
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1037
	err = -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1038
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1039
	if (!hw->hw_addr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1040
		goto err_ioremap;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1041
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1042
	if (adapter->need_ioport) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1043
		for (i = BAR_1; i <= BAR_5; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1044
			if (pci_resource_len(pdev, i) == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1045
				continue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1046
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1047
				hw->io_base = pci_resource_start(pdev, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1048
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1049
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1050
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1051
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1052
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1053
	netdev->netdev_ops = &e1000_netdev_ops;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1054
	e1000_set_ethtool_ops(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1055
	netdev->watchdog_timeo = 5 * HZ;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1056
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1057
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1058
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1059
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1060
	adapter->bd_number = cards_found;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1061
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1062
	/* setup the private structure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1063
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1064
	err = e1000_sw_init(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1065
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1066
		goto err_sw_init;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1067
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1068
	err = -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1069
	/* Flash BAR mapping must happen after e1000_sw_init
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1070
	 * because it depends on mac_type */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1071
	if ((hw->mac_type == e1000_ich8lan) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1072
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1073
		hw->flash_address = pci_ioremap_bar(pdev, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1074
		if (!hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1075
			goto err_flashmap;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1076
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1077
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1078
	if (e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1079
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1080
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1081
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1082
		netdev->features = NETIF_F_SG |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1083
				   NETIF_F_HW_CSUM |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1084
				   NETIF_F_HW_VLAN_TX |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1085
				   NETIF_F_HW_VLAN_RX |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1086
				   NETIF_F_HW_VLAN_FILTER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1087
		if (hw->mac_type == e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1088
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1089
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1090
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1091
	if ((hw->mac_type >= e1000_82544) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1092
	   (hw->mac_type != e1000_82547))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1093
		netdev->features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1094
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1095
	if (hw->mac_type > e1000_82547_rev_2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1096
		netdev->features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1097
	if (pci_using_dac)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1098
		netdev->features |= NETIF_F_HIGHDMA;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1099
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1100
	netdev->vlan_features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1101
	netdev->vlan_features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1102
	netdev->vlan_features |= NETIF_F_HW_CSUM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1103
	netdev->vlan_features |= NETIF_F_SG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1104
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1105
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1106
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1107
	/* initialize eeprom parameters */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1108
	if (e1000_init_eeprom_params(hw)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1109
		E1000_ERR("EEPROM initialization failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1110
		goto err_eeprom;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1111
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1112
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1113
	/* before reading the EEPROM, reset the controller to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1114
	 * put the device in a known good starting state */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1115
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1116
	e1000_reset_hw(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1117
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1118
	/* make sure the EEPROM is good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1119
	if (e1000_validate_eeprom_checksum(hw) < 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1120
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1121
		e1000_dump_eeprom(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1122
		/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1123
		 * set MAC address to all zeroes to invalidate and temporary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1124
		 * disable this device for the user. This blocks regular
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1125
		 * traffic while still permitting ethtool ioctls from reaching
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1126
		 * the hardware as well as allowing the user to run the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1127
		 * interface after manually setting a hw addr using
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1128
		 * `ip set address`
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1129
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1130
		memset(hw->mac_addr, 0, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1131
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1132
		/* copy the MAC address out of the EEPROM */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1133
		if (e1000_read_mac_addr(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1134
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1135
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1136
	/* don't block initalization here due to bad MAC address */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1137
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1138
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1139
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1140
	if (!is_valid_ether_addr(netdev->perm_addr))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1141
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1142
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1143
	e1000_get_bus_info(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1144
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1145
	init_timer(&adapter->tx_fifo_stall_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1146
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1147
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1148
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1149
	init_timer(&adapter->watchdog_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1150
	adapter->watchdog_timer.function = &e1000_watchdog;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1151
	adapter->watchdog_timer.data = (unsigned long) adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1152
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1153
	init_timer(&adapter->phy_info_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1154
	adapter->phy_info_timer.function = &e1000_update_phy_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1155
	adapter->phy_info_timer.data = (unsigned long)adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1156
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1157
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1158
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1159
	e1000_check_options(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1160
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1161
	/* Initial Wake on LAN setting
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1162
	 * If APM wake is enabled in the EEPROM,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1163
	 * enable the ACPI Magic Packet filter
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1164
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1165
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1166
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1167
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1168
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1169
	case e1000_82543:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1170
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1171
	case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1172
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1173
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1174
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1175
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1176
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1177
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1178
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1179
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1180
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1181
	case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1182
	case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1183
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1184
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1185
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1186
			e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1187
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1188
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1189
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1190
		/* Fall Through */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1191
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1192
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1193
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1194
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1195
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1196
	if (eeprom_data & eeprom_apme_mask)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1197
		adapter->eeprom_wol |= E1000_WUFC_MAG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1199
	/* now that we have the eeprom settings, apply the special cases
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1200
	 * where the eeprom may be wrong or the board simply won't support
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1201
	 * wake on lan on a particular port */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1202
	switch (pdev->device) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1203
	case E1000_DEV_ID_82546GB_PCIE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1204
		adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1205
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1206
	case E1000_DEV_ID_82546EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1207
	case E1000_DEV_ID_82546GB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1208
	case E1000_DEV_ID_82571EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1209
		/* Wake events only supported on port A for dual fiber
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1210
		 * regardless of eeprom setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1211
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1212
			adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1213
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1214
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1215
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1216
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1217
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1218
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1219
		/* if quad port adapter, disable WoL on all but port A */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1220
		if (global_quad_port_a != 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1221
			adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1222
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1223
			adapter->quad_port_a = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1224
		/* Reset for multiple quad port adapters */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1225
		if (++global_quad_port_a == 4)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1226
			global_quad_port_a = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1227
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1228
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1229
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1230
	/* initialize the wol settings based on the eeprom settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1231
	adapter->wol = adapter->eeprom_wol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1232
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1233
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1234
	/* print bus type/speed/width info */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1235
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1236
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1237
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1238
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1239
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1240
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1241
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1242
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1243
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1244
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1245
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1246
		 "32-bit"));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1247
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1248
	printk("%pM\n", netdev->dev_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1249
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1250
	if (hw->bus_type == e1000_bus_type_pci_express) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1251
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1252
			"longer be supported by this driver in the future.\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1253
			pdev->vendor, pdev->device);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1254
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1255
			"driver instead.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1256
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1257
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1258
	/* reset the hardware with the new settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1259
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1260
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1261
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1262
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1263
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1264
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1265
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1266
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1267
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1268
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1269
 	// offer device to EtherCAT master module
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1270
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1271
	if (adapter->ecdev) {
2582
87e502828b3f Use return value of ecdev_open(); thanks to Patrick Bruenn.
Florian Pose <fp@igh-essen.com>
parents: 2471
diff changeset
  1272
		err = ecdev_open(adapter->ecdev);
87e502828b3f Use return value of ecdev_open(); thanks to Patrick Bruenn.
Florian Pose <fp@igh-essen.com>
parents: 2471
diff changeset
  1273
		if (err) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1274
			ecdev_withdraw(adapter->ecdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1275
			goto err_register;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1276
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1277
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1278
		strcpy(netdev->name, "eth%d");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1279
		err = register_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1280
		if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1281
			goto err_register;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1282
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1283
		/* carrier off reporting is important to ethtool even BEFORE open */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1284
		netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1285
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1286
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1287
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1288
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1289
	cards_found++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1290
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1291
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1292
err_register:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1293
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1294
err_eeprom:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1295
	if (!e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1296
		e1000_phy_hw_reset(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1297
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1298
	if (hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1299
		iounmap(hw->flash_address);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1300
err_flashmap:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1301
	kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1302
	kfree(adapter->rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1303
err_sw_init:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1304
	iounmap(hw->hw_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1305
err_ioremap:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1306
	free_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1307
err_alloc_etherdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1308
	pci_release_selected_regions(pdev, bars);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1309
err_pci_reg:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1310
err_dma:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1311
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1312
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1313
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1314
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1315
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1316
 * e1000_remove - Device Removal Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1317
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1318
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1319
 * e1000_remove is called by the PCI subsystem to alert the driver
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1320
 * that it should release a PCI device.  The could be caused by a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1321
 * Hot-Plug event, or because the driver is going to be removed from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1322
 * memory.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1323
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1324
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1325
static void __devexit e1000_remove(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1326
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1327
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1328
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1329
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1330
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1331
	cancel_work_sync(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1332
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1333
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1334
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1335
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1336
	 * would have already happened in close and is redundant. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1337
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1338
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1339
	if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1340
		ecdev_close(adapter->ecdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1341
		ecdev_withdraw(adapter->ecdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1342
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1343
		unregister_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1344
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1345
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1346
	if (!e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1347
		e1000_phy_hw_reset(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1348
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1349
	kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1350
	kfree(adapter->rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1351
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1352
	iounmap(hw->hw_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1353
	if (hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1354
		iounmap(hw->flash_address);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1355
	pci_release_selected_regions(pdev, adapter->bars);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1356
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1357
	free_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1358
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1359
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1360
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1361
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1362
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1363
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1364
 * @adapter: board private structure to initialize
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1365
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1366
 * e1000_sw_init initializes the Adapter private data structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1367
 * Fields are initialized based on PCI device information and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1368
 * OS network device settings (MTU size).
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1369
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1370
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1371
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1372
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1373
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1374
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1375
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1376
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1377
	/* PCI config space info */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1378
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1379
	hw->vendor_id = pdev->vendor;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1380
	hw->device_id = pdev->device;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1381
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1382
	hw->subsystem_id = pdev->subsystem_device;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1383
	hw->revision_id = pdev->revision;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1384
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1385
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1386
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1387
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1388
	hw->max_frame_size = netdev->mtu +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1389
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1390
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1391
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1392
	/* identify the MAC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1393
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1394
	if (e1000_set_mac_type(hw)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1395
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1396
		return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1397
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1398
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1399
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1400
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1401
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1402
	case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1403
	case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1404
	case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1405
	case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1406
		hw->phy_init_script = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1407
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1408
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1409
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1410
	e1000_set_media_type(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1411
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1412
	hw->wait_autoneg_complete = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1413
	hw->tbi_compatibility_en = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1414
	hw->adaptive_ifs = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1415
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1416
	/* Copper options */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1417
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1418
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1419
		hw->mdix = AUTO_ALL_MODES;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1420
		hw->disable_polarity_correction = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1421
		hw->master_slave = E1000_MASTER_SLAVE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1422
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1423
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1424
	adapter->num_tx_queues = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1425
	adapter->num_rx_queues = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1426
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1427
	if (e1000_alloc_queues(adapter)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1428
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1429
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1430
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1431
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1432
	/* Explicitly disable IRQ since the NIC can be in any state. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1433
	e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1434
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1435
	spin_lock_init(&adapter->stats_lock);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1436
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1437
	set_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1438
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1439
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1440
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1441
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1442
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1443
 * e1000_alloc_queues - Allocate memory for all rings
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1444
 * @adapter: board private structure to initialize
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1445
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1446
 * We allocate one ring per queue at run-time since we don't know the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1447
 * number of queues at compile-time.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1448
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1449
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1450
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1451
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1452
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1453
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1454
	if (!adapter->tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1455
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1456
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1457
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1458
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1459
	if (!adapter->rx_ring) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1460
		kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1461
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1462
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1463
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1464
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1465
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1466
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1467
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1468
 * e1000_open - Called when a network interface is made active
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1469
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1470
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1471
 * Returns 0 on success, negative value on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1472
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1473
 * The open entry point is called when a network interface is made
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1474
 * active by the system (IFF_UP).  At this point all resources needed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1475
 * for transmit and receive operations are allocated, the interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1476
 * handler is registered with the OS, the watchdog timer is started,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1477
 * and the stack is notified that the interface is ready.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1478
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1479
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1480
static int e1000_open(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1481
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1482
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1483
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1484
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1485
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1486
	/* disallow open during test */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1487
	if (test_bit(__E1000_TESTING, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1488
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1489
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1490
	netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1491
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1492
	/* allocate transmit descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1493
	err = e1000_setup_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1494
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1495
		goto err_setup_tx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1496
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1497
	/* allocate receive descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1498
	err = e1000_setup_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1499
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1500
		goto err_setup_rx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1501
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1502
	e1000_power_up_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1503
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1504
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1505
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1506
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1507
		e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1508
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1509
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1510
	/* If AMT is enabled, let the firmware know that the network
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1511
	 * interface is now open */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1512
	if (hw->mac_type == e1000_82573 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1513
	    e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1514
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1515
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1516
	/* before we allocate an interrupt, we must be ready to handle it.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1517
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1518
	 * as soon as we call pci_request_irq, so we have to setup our
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1519
	 * clean_rx handler before we do so.  */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1520
	e1000_configure(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1521
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1522
	err = e1000_request_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1523
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1524
		goto err_req_irq;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1525
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1526
	/* From here on the code is the same as e1000_up() */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1527
	clear_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1528
2469
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1529
	if (!adapter->ecdev) {
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1530
		napi_enable(&adapter->napi);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1531
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1532
		e1000_irq_enable(adapter);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1533
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1534
		netif_start_queue(netdev);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1535
	}
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1536
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1537
	/* fire a link status change interrupt to start the watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1538
	ew32(ICS, E1000_ICS_LSC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1539
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1540
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1541
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1542
err_req_irq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1543
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1544
	e1000_power_down_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1545
	e1000_free_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1546
err_setup_rx:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1547
	e1000_free_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1548
err_setup_tx:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1549
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1550
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1551
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1552
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1553
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1554
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1555
 * e1000_close - Disables a network interface
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1556
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1557
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1558
 * Returns 0, this is not allowed to fail
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1559
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1560
 * The close entry point is called when an interface is de-activated
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1561
 * by the OS.  The hardware is still under the drivers control, but
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1562
 * needs to be disabled.  A global MAC reset is issued to stop the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1563
 * hardware, and all transmit and receive resources are freed.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1564
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1565
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1566
static int e1000_close(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1567
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1568
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1569
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1570
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1571
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1572
	e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1573
	e1000_power_down_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1574
	e1000_free_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1575
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1576
	e1000_free_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1577
	e1000_free_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1578
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1579
	/* kill manageability vlan ID if supported, but not if a vlan with
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1580
	 * the same ID is registered on the host OS (let 8021q kill it) */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1581
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1582
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1583
	     !(adapter->vlgrp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1584
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1585
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1586
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1587
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1588
	/* If AMT is enabled, let the firmware know that the network
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1589
	 * interface is now closed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1590
	if (hw->mac_type == e1000_82573 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1591
	    e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1592
		e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1593
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1594
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1595
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1596
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1597
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1598
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1599
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1600
 * @start: address of beginning of memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1601
 * @len: length of memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1602
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1603
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1604
				  unsigned long len)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1605
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1606
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1607
	unsigned long begin = (unsigned long)start;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1608
	unsigned long end = begin + len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1609
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1610
	/* First rev 82545 and 82546 need to not allow any memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1611
	 * write location to cross 64k boundary due to errata 23 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1612
	if (hw->mac_type == e1000_82545 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1613
	    hw->mac_type == e1000_82546) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1614
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1615
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1616
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1617
	return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1618
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1619
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1620
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1621
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1622
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1623
 * @txdr:    tx descriptor ring (for a specific queue) to setup
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1624
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1625
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1626
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1627
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1628
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1629
				    struct e1000_tx_ring *txdr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1630
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1631
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1632
	int size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1633
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1634
	size = sizeof(struct e1000_buffer) * txdr->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1635
	txdr->buffer_info = vmalloc(size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1636
	if (!txdr->buffer_info) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1637
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1638
		"Unable to allocate memory for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1639
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1640
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1641
	memset(txdr->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1642
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1643
	/* round up to nearest 4K */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1644
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1645
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1646
	txdr->size = ALIGN(txdr->size, 4096);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1647
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1648
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1649
	if (!txdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1650
setup_tx_desc_die:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1651
		vfree(txdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1652
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1653
		"Unable to allocate memory for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1654
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1655
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1656
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1657
	/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1658
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1659
		void *olddesc = txdr->desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1660
		dma_addr_t olddma = txdr->dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1661
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1662
				     "at %p\n", txdr->size, txdr->desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1663
		/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1664
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1665
		/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1666
		if (!txdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1667
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1668
			goto setup_tx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1669
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1670
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1671
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1672
			/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1673
			pci_free_consistent(pdev, txdr->size, txdr->desc,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1674
					    txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1675
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1676
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1677
				"Unable to allocate aligned memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1678
				"for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1679
			vfree(txdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1680
			return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1681
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1682
			/* Free old allocation, new allocation was successful */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1683
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1684
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1685
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1686
	memset(txdr->desc, 0, txdr->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1687
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1688
	txdr->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1689
	txdr->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1690
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1691
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1692
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1693
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1694
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1695
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1696
 * 				  (Descriptors) for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1697
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1698
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1699
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1700
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1701
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1702
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1703
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1704
	int i, err = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1705
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1706
	for (i = 0; i < adapter->num_tx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1707
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1708
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1709
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1710
				"Allocation for Tx Queue %u failed\n", i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1711
			for (i-- ; i >= 0; i--)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1712
				e1000_free_tx_resources(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1713
							&adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1714
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1715
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1716
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1717
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1718
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1719
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1720
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1721
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1722
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1723
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1724
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1725
 * Configure the Tx unit of the MAC after a reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1726
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1727
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1728
static void e1000_configure_tx(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1729
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1730
	u64 tdba;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1731
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1732
	u32 tdlen, tctl, tipg, tarc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1733
	u32 ipgr1, ipgr2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1734
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1735
	/* Setup the HW Tx Head and Tail descriptor pointers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1736
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1737
	switch (adapter->num_tx_queues) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1738
	case 1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1739
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1740
		tdba = adapter->tx_ring[0].dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1741
		tdlen = adapter->tx_ring[0].count *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1742
			sizeof(struct e1000_tx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1743
		ew32(TDLEN, tdlen);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1744
		ew32(TDBAH, (tdba >> 32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1745
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1746
		ew32(TDT, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1747
		ew32(TDH, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1748
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1749
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1750
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1751
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1752
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1753
	/* Set the default values for the Tx Inter Packet Gap timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1754
	if (hw->mac_type <= e1000_82547_rev_2 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1755
	    (hw->media_type == e1000_media_type_fiber ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1756
	     hw->media_type == e1000_media_type_internal_serdes))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1757
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1758
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1759
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1760
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1761
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1762
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1763
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1764
		tipg = DEFAULT_82542_TIPG_IPGT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1765
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1766
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1767
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1768
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1769
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1770
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1771
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1772
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1773
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1774
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1775
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1776
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1777
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1778
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1779
	ew32(TIPG, tipg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1780
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1781
	/* Set the Tx Interrupt Delay register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1782
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1783
	ew32(TIDV, adapter->tx_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1784
	if (hw->mac_type >= e1000_82540)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1785
		ew32(TADV, adapter->tx_abs_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1786
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1787
	/* Program the Transmit Control Register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1788
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1789
	tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1790
	tctl &= ~E1000_TCTL_CT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1791
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1792
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1793
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1794
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1795
		tarc = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1796
		/* set the speed mode bit, we'll clear it if we're not at
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1797
		 * gigabit link later */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1798
		tarc |= (1 << 21);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1799
		ew32(TARC0, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1800
	} else if (hw->mac_type == e1000_80003es2lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1801
		tarc = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1802
		tarc |= 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1803
		ew32(TARC0, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1804
		tarc = er32(TARC1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1805
		tarc |= 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1806
		ew32(TARC1, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1807
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1808
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1809
	e1000_config_collision_dist(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1810
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1811
	/* Setup Transmit Descriptor Settings for eop descriptor */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1812
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1813
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1814
	/* only set IDE if we are delaying interrupts using the timers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1815
	if (adapter->tx_int_delay)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1816
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1817
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1818
	if (hw->mac_type < e1000_82543)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1819
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1820
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1821
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1822
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1823
	/* Cache if we're 82544 running in PCI-X because we'll
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1824
	 * need this to apply a workaround later in the send path. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1825
	if (hw->mac_type == e1000_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1826
	    hw->bus_type == e1000_bus_type_pcix)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1827
		adapter->pcix_82544 = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1828
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1829
	ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1830
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1831
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1832
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1833
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1834
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1835
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1836
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1837
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1838
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1839
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1840
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1841
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1842
				    struct e1000_rx_ring *rxdr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1843
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1844
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1845
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1846
	int size, desc_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1847
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1848
	size = sizeof(struct e1000_buffer) * rxdr->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1849
	rxdr->buffer_info = vmalloc(size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1850
	if (!rxdr->buffer_info) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1851
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1852
		"Unable to allocate memory for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1853
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1854
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1855
	memset(rxdr->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1856
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1857
	if (hw->mac_type <= e1000_82547_rev_2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1858
		desc_len = sizeof(struct e1000_rx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1859
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1860
		desc_len = sizeof(union e1000_rx_desc_packet_split);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1861
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1862
	/* Round up to nearest 4K */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1863
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1864
	rxdr->size = rxdr->count * desc_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1865
	rxdr->size = ALIGN(rxdr->size, 4096);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1866
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1867
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1868
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1869
	if (!rxdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1870
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1871
		"Unable to allocate memory for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1872
setup_rx_desc_die:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1873
		vfree(rxdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1874
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1875
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1876
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1877
	/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1878
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1879
		void *olddesc = rxdr->desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1880
		dma_addr_t olddma = rxdr->dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1881
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1882
				     "at %p\n", rxdr->size, rxdr->desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1883
		/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1884
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1885
		/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1886
		if (!rxdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1887
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1888
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1889
				"Unable to allocate memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1890
				"for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1891
			goto setup_rx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1892
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1893
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1894
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1895
			/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1896
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1897
					    rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1898
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1899
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1900
				"Unable to allocate aligned memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1901
				"for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1902
			goto setup_rx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1903
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1904
			/* Free old allocation, new allocation was successful */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1905
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1906
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1907
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1908
	memset(rxdr->desc, 0, rxdr->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1909
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1910
	rxdr->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1911
	rxdr->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1912
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1913
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1914
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1915
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1916
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1917
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1918
 * 				  (Descriptors) for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1919
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1920
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1921
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1922
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1923
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1924
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1925
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1926
	int i, err = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1927
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1928
	for (i = 0; i < adapter->num_rx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1929
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1930
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1931
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1932
				"Allocation for Rx Queue %u failed\n", i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1933
			for (i-- ; i >= 0; i--)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1934
				e1000_free_rx_resources(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1935
							&adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1936
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1937
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1938
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1939
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1940
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1941
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1942
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1943
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1944
 * e1000_setup_rctl - configure the receive control registers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1945
 * @adapter: Board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1946
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1947
static void e1000_setup_rctl(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1948
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1949
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1950
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1951
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1952
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1953
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1954
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1955
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1956
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1957
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1958
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1959
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1960
	if (hw->tbi_compatibility_on == 1)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1961
		rctl |= E1000_RCTL_SBP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1962
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1963
		rctl &= ~E1000_RCTL_SBP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1964
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1965
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1966
		rctl &= ~E1000_RCTL_LPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1967
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1968
		rctl |= E1000_RCTL_LPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1969
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1970
	/* Setup buffer sizes */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1971
	rctl &= ~E1000_RCTL_SZ_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1972
	rctl |= E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1973
	switch (adapter->rx_buffer_len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1974
		case E1000_RXBUFFER_256:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1975
			rctl |= E1000_RCTL_SZ_256;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1976
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1977
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1978
		case E1000_RXBUFFER_512:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1979
			rctl |= E1000_RCTL_SZ_512;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1980
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1981
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1982
		case E1000_RXBUFFER_1024:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1983
			rctl |= E1000_RCTL_SZ_1024;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1984
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1985
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1986
		case E1000_RXBUFFER_2048:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1987
		default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1988
			rctl |= E1000_RCTL_SZ_2048;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1989
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1990
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1991
		case E1000_RXBUFFER_4096:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1992
			rctl |= E1000_RCTL_SZ_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1993
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1994
		case E1000_RXBUFFER_8192:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1995
			rctl |= E1000_RCTL_SZ_8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1996
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1997
		case E1000_RXBUFFER_16384:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1998
			rctl |= E1000_RCTL_SZ_16384;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1999
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2000
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2001
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2002
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2003
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2004
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2005
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2006
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2007
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2008
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2009
 * Configure the Rx unit of the MAC after a reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2010
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2011
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2012
static void e1000_configure_rx(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2013
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2014
	u64 rdba;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2015
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2016
	u32 rdlen, rctl, rxcsum, ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2017
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2018
	rdlen = adapter->rx_ring[0].count *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2019
		sizeof(struct e1000_rx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2020
	adapter->clean_rx = e1000_clean_rx_irq;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2021
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2022
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2023
	/* disable receives while setting up the descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2024
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2025
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2026
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2027
	/* set the Receive Delay Timer Register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2028
	ew32(RDTR, adapter->rx_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2029
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2030
	if (hw->mac_type >= e1000_82540) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2031
		ew32(RADV, adapter->rx_abs_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2032
		if (adapter->itr_setting != 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2033
			ew32(ITR, 1000000000 / (adapter->itr * 256));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2034
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2035
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2036
	if (hw->mac_type >= e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2037
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2038
		/* Reset delay timers after every interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2039
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2040
		/* Auto-Mask interrupts upon ICR access */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2041
		ctrl_ext |= E1000_CTRL_EXT_IAME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2042
		ew32(IAM, 0xffffffff);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2043
		ew32(CTRL_EXT, ctrl_ext);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2044
		E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2045
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2046
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2047
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2048
	 * the Base and Length of the Rx Descriptor Ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2049
	switch (adapter->num_rx_queues) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2050
	case 1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2051
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2052
		rdba = adapter->rx_ring[0].dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2053
		ew32(RDLEN, rdlen);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2054
		ew32(RDBAH, (rdba >> 32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2055
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2056
		ew32(RDT, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2057
		ew32(RDH, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2058
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2059
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2060
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2061
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2062
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2063
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2064
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2065
		rxcsum = er32(RXCSUM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2066
		if (adapter->rx_csum)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2067
			rxcsum |= E1000_RXCSUM_TUOFL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2068
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2069
			/* don't need to clear IPPCSE as it defaults to 0 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2070
			rxcsum &= ~E1000_RXCSUM_TUOFL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2071
		ew32(RXCSUM, rxcsum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2072
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2073
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2074
	/* Enable Receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2075
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2076
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2077
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2078
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2079
 * e1000_free_tx_resources - Free Tx Resources per Queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2080
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2081
 * @tx_ring: Tx descriptor ring for a specific queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2082
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2083
 * Free all transmit software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2084
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2085
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2086
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2087
				    struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2088
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2089
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2090
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2091
	e1000_clean_tx_ring(adapter, tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2092
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2093
	vfree(tx_ring->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2094
	tx_ring->buffer_info = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2095
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2096
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2097
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2098
	tx_ring->desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2099
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2100
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2101
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2102
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2103
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2104
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2105
 * Free all transmit software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2106
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2107
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2108
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2109
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2110
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2111
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2112
	for (i = 0; i < adapter->num_tx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2113
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2114
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2115
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2116
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2117
					     struct e1000_buffer *buffer_info)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2118
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2119
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2120
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2121
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2122
	buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2123
	if (buffer_info->skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2124
		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2125
		              DMA_TO_DEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2126
		dev_kfree_skb_any(buffer_info->skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2127
		buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2128
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2129
	buffer_info->time_stamp = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2130
	/* buffer_info must be completely set up in the transmit path */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2131
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2132
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2133
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2134
 * e1000_clean_tx_ring - Free Tx Buffers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2135
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2136
 * @tx_ring: ring to be cleaned
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2137
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2138
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2139
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2140
				struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2141
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2142
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2143
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2144
	unsigned long size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2145
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2146
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2147
	/* Free all the Tx ring sk_buffs */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2148
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2149
	for (i = 0; i < tx_ring->count; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2150
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2151
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2152
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2153
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2154
	size = sizeof(struct e1000_buffer) * tx_ring->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2155
	memset(tx_ring->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2156
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2157
	/* Zero out the descriptor ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2158
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2159
	memset(tx_ring->desc, 0, tx_ring->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2160
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2161
	tx_ring->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2162
	tx_ring->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2163
	tx_ring->last_tx_tso = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2164
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2165
	writel(0, hw->hw_addr + tx_ring->tdh);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2166
	writel(0, hw->hw_addr + tx_ring->tdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2167
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2168
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2169
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2170
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2171
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2172
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2173
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2174
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2175
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2176
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2177
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2178
	for (i = 0; i < adapter->num_tx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2179
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2180
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2181
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2182
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2183
 * e1000_free_rx_resources - Free Rx Resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2184
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2185
 * @rx_ring: ring to clean the resources from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2186
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2187
 * Free all receive software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2188
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2189
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2190
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2191
				    struct e1000_rx_ring *rx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2192
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2193
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2194
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2195
	e1000_clean_rx_ring(adapter, rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2196
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2197
	vfree(rx_ring->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2198
	rx_ring->buffer_info = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2199
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2200
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2201
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2202
	rx_ring->desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2203
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2204
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2205
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2206
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2207
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2208
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2209
 * Free all receive software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2210
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2211
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2212
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2213
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2214
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2215
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2216
	for (i = 0; i < adapter->num_rx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2217
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2218
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2219
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2220
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2221
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2222
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2223
 * @rx_ring: ring to free buffers from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2224
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2225
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2226
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2227
				struct e1000_rx_ring *rx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2228
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2229
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2230
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2231
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2232
	unsigned long size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2233
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2234
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2235
	/* Free all the Rx ring sk_buffs */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2236
	for (i = 0; i < rx_ring->count; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2237
		buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2238
		if (buffer_info->dma) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2239
			pci_unmap_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2240
					 buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2241
					 buffer_info->length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2242
					 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2243
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2244
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2245
		buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2246
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2247
		if (buffer_info->skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2248
			dev_kfree_skb(buffer_info->skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2249
			buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2250
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2251
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2252
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2253
	size = sizeof(struct e1000_buffer) * rx_ring->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2254
	memset(rx_ring->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2255
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2256
	/* Zero out the descriptor ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2257
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2258
	memset(rx_ring->desc, 0, rx_ring->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2259
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2260
	rx_ring->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2261
	rx_ring->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2262
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2263
	writel(0, hw->hw_addr + rx_ring->rdh);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2264
	writel(0, hw->hw_addr + rx_ring->rdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2265
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2266
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2267
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2268
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2269
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2270
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2271
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2272
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2273
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2274
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2275
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2276
	for (i = 0; i < adapter->num_rx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2277
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2278
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2279
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2280
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2281
 * and memory write and invalidate disabled for certain operations
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2282
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2283
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2284
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2285
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2286
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2287
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2288
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2289
	e1000_pci_clear_mwi(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2290
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2291
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2292
	rctl |= E1000_RCTL_RST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2293
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2294
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2295
	mdelay(5);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2296
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2297
	if (!adapter->ecdev && netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2298
		e1000_clean_all_rx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2299
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2300
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2301
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2302
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2303
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2304
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2305
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2306
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2307
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2308
	rctl &= ~E1000_RCTL_RST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2309
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2310
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2311
	mdelay(5);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2312
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2313
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2314
		e1000_pci_set_mwi(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2315
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2316
	if (!adapter->netdev && netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2317
		/* No need to loop, because 82542 supports only 1 queue */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2318
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2319
		e1000_configure_rx(adapter);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2212
diff changeset
  2320
		if (adapter->ecdev) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2321
			/* fill rx ring completely! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2322
			adapter->alloc_rx_buf(adapter, ring, ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2323
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2324
            /* this one leaves the last ring element unallocated! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2325
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2326
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2327
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2328
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2329
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2330
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2331
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2332
 * e1000_set_mac - Change the Ethernet Address of the NIC
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2333
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2334
 * @p: pointer to an address structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2335
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2336
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2337
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2338
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2339
static int e1000_set_mac(struct net_device *netdev, void *p)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2340
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2341
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2342
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2343
	struct sockaddr *addr = p;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2344
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2345
	if (!is_valid_ether_addr(addr->sa_data))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2346
		return -EADDRNOTAVAIL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2348
	/* 82542 2.0 needs to be in reset to write receive address registers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2349
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2350
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2351
		e1000_enter_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2352
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2353
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2354
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2355
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2356
	e1000_rar_set(hw, hw->mac_addr, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2357
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2358
	/* With 82571 controllers, LAA may be overwritten (with the default)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2359
	 * due to controller reset from the other port. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2360
	if (hw->mac_type == e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2361
		/* activate the work around */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2362
		hw->laa_is_present = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2363
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2364
		/* Hold a copy of the LAA in RAR[14] This is done so that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2365
		 * between the time RAR[0] gets clobbered  and the time it
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2366
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2367
		 * of the RARs and no incoming packets directed to this port
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2368
		 * are dropped. Eventaully the LAA will be in RAR[0] and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2369
		 * RAR[14] */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2370
		e1000_rar_set(hw, hw->mac_addr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2371
					E1000_RAR_ENTRIES - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2372
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2373
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2374
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2375
		e1000_leave_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2376
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2377
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2378
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2379
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2380
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2381
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2382
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2383
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2384
 * The set_rx_mode entry point is called whenever the unicast or multicast
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2385
 * address lists or the network interface flags are updated. This routine is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2386
 * responsible for configuring the hardware for proper unicast, multicast,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2387
 * promiscuous mode, and all-multi behavior.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2388
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2389
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2390
static void e1000_set_rx_mode(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2391
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2392
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2393
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2394
	struct netdev_hw_addr *ha;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2395
	bool use_uc = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2396
	struct dev_addr_list *mc_ptr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2397
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2398
	u32 hash_value;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2399
	int i, rar_entries = E1000_RAR_ENTRIES;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2400
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2401
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2402
				E1000_NUM_MTA_REGISTERS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2403
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2404
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2405
	if (!mcarray) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2406
		DPRINTK(PROBE, ERR, "memory allocation failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2407
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2408
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2409
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2410
	if (hw->mac_type == e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2411
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2412
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2413
	/* reserve RAR[14] for LAA over-write work-around */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2414
	if (hw->mac_type == e1000_82571)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2415
		rar_entries--;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2416
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2417
	/* Check for Promiscuous and All Multicast modes */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2418
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2419
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2420
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2421
	if (netdev->flags & IFF_PROMISC) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2422
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2423
		rctl &= ~E1000_RCTL_VFE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2424
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2425
		if (netdev->flags & IFF_ALLMULTI) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2426
			rctl |= E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2427
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2428
			rctl &= ~E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2429
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2430
		if (adapter->hw.mac_type != e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2431
			rctl |= E1000_RCTL_VFE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2432
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2433
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2434
	if (netdev->uc.count > rar_entries - 1) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2435
		rctl |= E1000_RCTL_UPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2436
	} else if (!(netdev->flags & IFF_PROMISC)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2437
		rctl &= ~E1000_RCTL_UPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2438
		use_uc = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2439
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2440
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2441
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2442
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2443
	/* 82542 2.0 needs to be in reset to write receive address registers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2444
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2445
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2446
		e1000_enter_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2447
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2448
	/* load the first 14 addresses into the exact filters 1-14. Unicast
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2449
	 * addresses take precedence to avoid disabling unicast filtering
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2450
	 * when possible.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2451
	 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2452
	 * RAR 0 is used for the station MAC adddress
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2453
	 * if there are not 14 addresses, go ahead and clear the filters
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2454
	 * -- with 82571 controllers only 0-13 entries are filled here
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2455
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2456
	i = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2457
	if (use_uc)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2458
		list_for_each_entry(ha, &netdev->uc.list, list) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2459
			if (i == rar_entries)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2460
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2461
			e1000_rar_set(hw, ha->addr, i++);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2462
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2463
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2464
	WARN_ON(i == rar_entries);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2465
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2466
	mc_ptr = netdev->mc_list;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2467
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2468
	for (; i < rar_entries; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2469
		if (mc_ptr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2470
			e1000_rar_set(hw, mc_ptr->da_addr, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2471
			mc_ptr = mc_ptr->next;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2472
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2473
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2474
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2475
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2476
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2477
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2478
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2479
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2480
	/* load any remaining addresses into the hash table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2481
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2482
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2483
		u32 hash_reg, hash_bit, mta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2484
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2485
		hash_reg = (hash_value >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2486
		hash_bit = hash_value & 0x1F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2487
		mta = (1 << hash_bit);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2488
		mcarray[hash_reg] |= mta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2489
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2490
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2491
	/* write the hash table completely, write from bottom to avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2492
	 * both stupid write combining chipsets, and flushing each write */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2493
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2494
		/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2495
		 * If we are on an 82544 has an errata where writing odd
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2496
		 * offsets overwrites the previous even offset, but writing
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2497
		 * backwards over the range solves the issue by always
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2498
		 * writing the odd offset first
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2499
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2500
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2501
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2502
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2503
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2504
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2505
		e1000_leave_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2506
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2507
	kfree(mcarray);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2508
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2509
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2510
/* Need to wait a few seconds after link up to get diagnostic information from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2511
 * the phy */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2512
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2513
static void e1000_update_phy_info(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2514
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2515
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2516
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2517
	e1000_phy_get_info(hw, &adapter->phy_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2518
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2519
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2520
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2521
 * e1000_82547_tx_fifo_stall - Timer Call-back
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2522
 * @data: pointer to adapter cast into an unsigned long
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2523
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2524
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2525
static void e1000_82547_tx_fifo_stall(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2526
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2527
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2528
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2529
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2530
	u32 tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2531
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2532
	if (atomic_read(&adapter->tx_fifo_stall)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2533
		if ((er32(TDT) == er32(TDH)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2534
		   (er32(TDFT) == er32(TDFH)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2535
		   (er32(TDFTS) == er32(TDFHS))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2536
			tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2537
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2538
			ew32(TDFT, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2539
			ew32(TDFH, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2540
			ew32(TDFTS, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2541
			ew32(TDFHS, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2542
			ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2543
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2544
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2545
			adapter->tx_fifo_head = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2546
			atomic_set(&adapter->tx_fifo_stall, 0);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2212
diff changeset
  2547
			if (!adapter->ecdev)
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2548
				netif_wake_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2549
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2550
			if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2551
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2552
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2553
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2554
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2555
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2556
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2557
 * e1000_watchdog - Timer Call-back
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2558
 * @data: pointer to adapter cast into an unsigned long
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2559
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2560
static void e1000_watchdog(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2561
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2562
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2563
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2564
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2565
	struct e1000_tx_ring *txdr = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2566
	u32 link, tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2567
	s32 ret_val;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2568
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2569
	ret_val = e1000_check_for_link(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2570
	if ((ret_val == E1000_ERR_PHY) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2571
	    (hw->phy_type == e1000_phy_igp_3) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2572
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2573
		/* See e1000_kumeran_lock_loss_workaround() */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2574
		DPRINTK(LINK, INFO,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2575
			"Gigabit has been disabled, downgrading speed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2576
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2577
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2578
	if (hw->mac_type == e1000_82573) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2579
		e1000_enable_tx_pkt_filtering(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2580
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2581
			e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2582
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2583
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2584
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2585
	   !(er32(TXCW) & E1000_TXCW_ANE))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2586
		link = !hw->serdes_link_down;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2587
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2588
		link = er32(STATUS) & E1000_STATUS_LU;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2589
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2590
	if (link) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2591
		if ( (adapter->ecdev && !ecdev_get_link(adapter->ecdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2592
				|| (!adapter->ecdev && !netif_carrier_ok(netdev)) ) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2593
			u32 ctrl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2594
			bool txb2b = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2595
			e1000_get_speed_and_duplex(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2596
			                           &adapter->link_speed,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2597
			                           &adapter->link_duplex);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2598
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2599
			ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2600
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2601
			       "Flow Control: %s\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2602
			       netdev->name,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2603
			       adapter->link_speed,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2604
			       adapter->link_duplex == FULL_DUPLEX ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2605
			        "Full Duplex" : "Half Duplex",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2606
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2607
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2608
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2609
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2610
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2611
			/* tweak tx_queue_len according to speed/duplex
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2612
			 * and adjust the timeout factor */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2613
			netdev->tx_queue_len = adapter->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2614
			adapter->tx_timeout_factor = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2615
			switch (adapter->link_speed) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2616
			case SPEED_10:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2617
				txb2b = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2618
				netdev->tx_queue_len = 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2619
				adapter->tx_timeout_factor = 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2620
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2621
			case SPEED_100:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2622
				txb2b = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2623
				netdev->tx_queue_len = 100;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2624
				/* maybe add some timeout factor ? */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2625
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2626
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2627
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2628
			if ((hw->mac_type == e1000_82571 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2629
			     hw->mac_type == e1000_82572) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2630
			    !txb2b) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2631
				u32 tarc0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2632
				tarc0 = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2633
				tarc0 &= ~(1 << 21);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2634
				ew32(TARC0, tarc0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2635
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2636
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2637
			/* disable TSO for pcie and 10/100 speeds, to avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2638
			 * some hardware issues */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2639
			if (!adapter->tso_force &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2640
			    hw->bus_type == e1000_bus_type_pci_express){
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2641
				switch (adapter->link_speed) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2642
				case SPEED_10:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2643
				case SPEED_100:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2644
					DPRINTK(PROBE,INFO,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2645
				        "10/100 speed: disabling TSO\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2646
					netdev->features &= ~NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2647
					netdev->features &= ~NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2648
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2649
				case SPEED_1000:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2650
					netdev->features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2651
					netdev->features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2652
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2653
				default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2654
					/* oops */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2655
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2656
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2657
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2658
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2659
			/* enable transmits in the hardware, need to do this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2660
			 * after setting TARC0 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2661
			tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2662
			tctl |= E1000_TCTL_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2663
			ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2664
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2665
			if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2666
				ecdev_set_link(adapter->ecdev, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2667
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2668
				netif_carrier_on(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2669
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2670
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2671
			adapter->smartspeed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2672
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2673
			/* make sure the receive unit is started */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2674
			if (hw->rx_needs_kicking) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2675
				u32 rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2676
				ew32(RCTL, rctl | E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2677
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2678
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2679
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2680
		if ( (adapter->ecdev && ecdev_get_link(adapter->ecdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2681
				|| (!adapter->ecdev && netif_carrier_ok(netdev)) ) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2682
			adapter->link_speed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2683
			adapter->link_duplex = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2684
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2685
			       netdev->name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2686
			if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2687
				ecdev_set_link(adapter->ecdev, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2688
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2689
				netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2690
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2691
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2692
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2693
			/* 80003ES2LAN workaround--
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2694
			 * For packet buffer work-around on link down event;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2695
			 * disable receives in the ISR and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2696
			 * reset device here in the watchdog
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2697
			 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2698
			if (hw->mac_type == e1000_80003es2lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2699
				/* reset device */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2700
				schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2701
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2702
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2703
		e1000_smartspeed(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2704
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2705
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2706
	e1000_update_stats(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2707
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2708
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2709
	adapter->tpt_old = adapter->stats.tpt;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2710
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2711
	adapter->colc_old = adapter->stats.colc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2712
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2713
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2714
	adapter->gorcl_old = adapter->stats.gorcl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2715
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2716
	adapter->gotcl_old = adapter->stats.gotcl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2717
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2718
	e1000_update_adaptive(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2719
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2720
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2721
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2722
			/* We've lost link, so the controller stops DMA,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2723
			 * but we've got queued Tx work that's never going
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2724
			 * to get done, so reset controller to flush Tx.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2725
			 * (Do the reset outside of interrupt context). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2726
			adapter->tx_timeout_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2727
			schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2728
			/* return immediately since reset is imminent */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2729
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2730
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2731
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2732
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2733
	/* Cause software interrupt to ensure rx ring is cleaned */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2734
	ew32(ICS, E1000_ICS_RXDMT0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2735
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2736
	/* Force detection of hung controller every watchdog period */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2737
	if (!adapter->ecdev) adapter->detect_tx_hung = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2738
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2739
	/* With 82571 controllers, LAA may be overwritten due to controller
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2740
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2741
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2742
		e1000_rar_set(hw, hw->mac_addr, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2743
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2744
	/* Reset the timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2745
	if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2746
		mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2747
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2748
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2749
enum latency_range {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2750
	lowest_latency = 0,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2751
	low_latency = 1,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2752
	bulk_latency = 2,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2753
	latency_invalid = 255
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2754
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2755
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2756
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2757
 * e1000_update_itr - update the dynamic ITR value based on statistics
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2758
 *      Stores a new ITR value based on packets and byte
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2759
 *      counts during the last interrupt.  The advantage of per interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2760
 *      computation is faster updates and more accurate ITR for the current
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2761
 *      traffic pattern.  Constants in this function were computed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2762
 *      based on theoretical maximum wire speed and thresholds were set based
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2763
 *      on testing data as well as attempting to minimize response time
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2764
 *      while increasing bulk throughput.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2765
 *      this functionality is controlled by the InterruptThrottleRate module
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2766
 *      parameter (see e1000_param.c)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2767
 * @adapter: pointer to adapter
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2768
 * @itr_setting: current adapter->itr
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2769
 * @packets: the number of packets during this measurement interval
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2770
 * @bytes: the number of bytes during this measurement interval
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2771
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2772
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2773
				     u16 itr_setting, int packets, int bytes)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2774
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2775
	unsigned int retval = itr_setting;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2776
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2777
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2778
	if (unlikely(hw->mac_type < e1000_82540))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2779
		goto update_itr_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2780
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2781
	if (packets == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2782
		goto update_itr_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2783
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2784
	switch (itr_setting) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2785
	case lowest_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2786
		/* jumbo frames get bulk treatment*/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2787
		if (bytes/packets > 8000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2788
			retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2789
		else if ((packets < 5) && (bytes > 512))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2790
			retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2791
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2792
	case low_latency:  /* 50 usec aka 20000 ints/s */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2793
		if (bytes > 10000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2794
			/* jumbo frames need bulk latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2795
			if (bytes/packets > 8000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2796
				retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2797
			else if ((packets < 10) || ((bytes/packets) > 1200))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2798
				retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2799
			else if ((packets > 35))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2800
				retval = lowest_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2801
		} else if (bytes/packets > 2000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2802
			retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2803
		else if (packets <= 2 && bytes < 512)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2804
			retval = lowest_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2805
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2806
	case bulk_latency: /* 250 usec aka 4000 ints/s */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2807
		if (bytes > 25000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2808
			if (packets > 35)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2809
				retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2810
		} else if (bytes < 6000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2811
			retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2812
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2813
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2814
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2815
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2816
update_itr_done:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2817
	return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2818
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2819
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2820
static void e1000_set_itr(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2821
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2822
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2823
	u16 current_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2824
	u32 new_itr = adapter->itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2825
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2826
	if (unlikely(hw->mac_type < e1000_82540))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2827
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2828
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2829
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2830
	if (unlikely(adapter->link_speed != SPEED_1000)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2831
		current_itr = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2832
		new_itr = 4000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2833
		goto set_itr_now;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2834
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2835
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2836
	adapter->tx_itr = e1000_update_itr(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2837
	                            adapter->tx_itr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2838
	                            adapter->total_tx_packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2839
	                            adapter->total_tx_bytes);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2840
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2841
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2842
		adapter->tx_itr = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2843
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2844
	adapter->rx_itr = e1000_update_itr(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2845
	                            adapter->rx_itr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2846
	                            adapter->total_rx_packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2847
	                            adapter->total_rx_bytes);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2848
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2849
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2850
		adapter->rx_itr = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2851
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2852
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2853
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2854
	switch (current_itr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2855
	/* counts and packets in update_itr are dependent on these numbers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2856
	case lowest_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2857
		new_itr = 70000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2858
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2859
	case low_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2860
		new_itr = 20000; /* aka hwitr = ~200 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2861
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2862
	case bulk_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2863
		new_itr = 4000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2864
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2865
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2866
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2867
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2868
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2869
set_itr_now:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2870
	if (new_itr != adapter->itr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2871
		/* this attempts to bias the interrupt rate towards Bulk
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2872
		 * by adding intermediate steps when interrupt rate is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2873
		 * increasing */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2874
		new_itr = new_itr > adapter->itr ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2875
		             min(adapter->itr + (new_itr >> 2), new_itr) :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2876
		             new_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2877
		adapter->itr = new_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2878
		ew32(ITR, 1000000000 / (new_itr * 256));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2879
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2880
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2881
	return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2882
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2883
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2884
#define E1000_TX_FLAGS_CSUM		0x00000001
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2885
#define E1000_TX_FLAGS_VLAN		0x00000002
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2886
#define E1000_TX_FLAGS_TSO		0x00000004
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2887
#define E1000_TX_FLAGS_IPV4		0x00000008
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2888
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2889
#define E1000_TX_FLAGS_VLAN_SHIFT	16
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2890
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2891
static int e1000_tso(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2892
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2893
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2894
	struct e1000_context_desc *context_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2895
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2896
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2897
	u32 cmd_length = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2898
	u16 ipcse = 0, tucse, mss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2899
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2900
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2901
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2902
	if (skb_is_gso(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2903
		if (skb_header_cloned(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2904
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2905
			if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2906
				return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2907
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2908
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2909
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2910
		mss = skb_shinfo(skb)->gso_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2911
		if (skb->protocol == htons(ETH_P_IP)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2912
			struct iphdr *iph = ip_hdr(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2913
			iph->tot_len = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2914
			iph->check = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2915
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2916
								 iph->daddr, 0,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2917
								 IPPROTO_TCP,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2918
								 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2919
			cmd_length = E1000_TXD_CMD_IP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2920
			ipcse = skb_transport_offset(skb) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2921
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2922
			ipv6_hdr(skb)->payload_len = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2923
			tcp_hdr(skb)->check =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2924
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2925
						 &ipv6_hdr(skb)->daddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2926
						 0, IPPROTO_TCP, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2927
			ipcse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2928
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2929
		ipcss = skb_network_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2930
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2931
		tucss = skb_transport_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2932
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2933
		tucse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2934
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2935
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2936
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2937
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2938
		i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2939
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2940
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2941
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2942
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2943
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2944
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2945
		context_desc->upper_setup.tcp_fields.tucss = tucss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2946
		context_desc->upper_setup.tcp_fields.tucso = tucso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2947
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2948
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2949
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2950
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2951
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2952
		buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2953
		buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2954
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2955
		if (++i == tx_ring->count) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2956
		tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2957
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2958
		return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2959
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2960
	return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2961
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2962
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2963
static bool e1000_tx_csum(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2964
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2965
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2966
	struct e1000_context_desc *context_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2967
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2968
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2969
	u8 css;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2970
	u32 cmd_len = E1000_TXD_CMD_DEXT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2971
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2972
	if (skb->ip_summed != CHECKSUM_PARTIAL)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2973
		return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2974
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2975
	switch (skb->protocol) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2976
	case cpu_to_be16(ETH_P_IP):
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2977
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2978
			cmd_len |= E1000_TXD_CMD_TCP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2979
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2980
	case cpu_to_be16(ETH_P_IPV6):
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2981
		/* XXX not handling all IPV6 headers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2982
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2983
			cmd_len |= E1000_TXD_CMD_TCP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2984
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2985
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2986
		if (unlikely(net_ratelimit()))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2987
			DPRINTK(DRV, WARNING,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2988
			        "checksum_partial proto=%x!\n", skb->protocol);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2989
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2990
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2991
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2992
	css = skb_transport_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2993
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2994
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2995
	buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2996
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2997
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2998
	context_desc->lower_setup.ip_config = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2999
	context_desc->upper_setup.tcp_fields.tucss = css;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3000
	context_desc->upper_setup.tcp_fields.tucso =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3001
		css + skb->csum_offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3002
	context_desc->upper_setup.tcp_fields.tucse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3003
	context_desc->tcp_seg_setup.data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3004
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3005
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3006
	buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3007
	buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3008
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3009
	if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3010
	tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3011
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3012
	return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3013
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3014
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3015
#define E1000_MAX_TXD_PWR	12
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3016
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3017
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3018
static int e1000_tx_map(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3019
			struct e1000_tx_ring *tx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3020
			struct sk_buff *skb, unsigned int first,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3021
			unsigned int max_per_txd, unsigned int nr_frags,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3022
			unsigned int mss)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3023
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3024
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3025
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3026
	unsigned int len = skb_headlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3027
	unsigned int offset, size, count = 0, i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3028
	unsigned int f;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3029
	dma_addr_t *map;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3030
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3031
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3032
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3033
	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3034
		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3035
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3036
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3037
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3038
	map = skb_shinfo(skb)->dma_maps;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3039
	offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3040
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3041
	while (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3042
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3043
		size = min(len, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3044
		/* Workaround for Controller erratum --
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3045
		 * descriptor for non-tso packet in a linear SKB that follows a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3046
		 * tso gets written back prematurely before the data is fully
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3047
		 * DMA'd to the controller */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3048
		if (!skb->data_len && tx_ring->last_tx_tso &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3049
		    !skb_is_gso(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3050
			tx_ring->last_tx_tso = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3051
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3052
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3053
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3054
		/* Workaround for premature desc write-backs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3055
		 * in TSO mode.  Append 4-byte sentinel desc */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3056
		if (unlikely(mss && !nr_frags && size == len && size > 8))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3057
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3058
		/* work-around for errata 10 and it applies
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3059
		 * to all controllers in PCI-X mode
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3060
		 * The fix is to make sure that the first descriptor of a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3061
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3062
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3063
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3064
		                (size > 2015) && count == 0))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3065
		        size = 2015;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3066
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3067
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3068
		 * terminating buffers within evenly-aligned dwords. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3069
		if (unlikely(adapter->pcix_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3070
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3071
		   size > 4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3072
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3073
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3074
		buffer_info->length = size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3075
		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3076
		buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3077
		buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3078
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3079
		len -= size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3080
		offset += size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3081
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3082
		if (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3083
			i++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3084
			if (unlikely(i == tx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3085
				i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3086
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3087
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3088
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3089
	for (f = 0; f < nr_frags; f++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3090
		struct skb_frag_struct *frag;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3091
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3092
		frag = &skb_shinfo(skb)->frags[f];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3093
		len = frag->size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3094
		offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3095
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3096
		while (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3097
			i++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3098
			if (unlikely(i == tx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3099
				i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3100
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3101
			buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3102
			size = min(len, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3103
			/* Workaround for premature desc write-backs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3104
			 * in TSO mode.  Append 4-byte sentinel desc */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3105
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3106
				size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3107
			/* Workaround for potential 82544 hang in PCI-X.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3108
			 * Avoid terminating buffers within evenly-aligned
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3109
			 * dwords. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3110
			if (unlikely(adapter->pcix_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3111
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3112
			   size > 4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3113
				size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3114
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3115
			buffer_info->length = size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3116
			buffer_info->dma = map[f] + offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3117
			buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3118
			buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3119
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3120
			len -= size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3121
			offset += size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3122
			count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3123
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3124
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3125
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3126
	tx_ring->buffer_info[i].skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3127
	tx_ring->buffer_info[first].next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3128
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3129
	return count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3130
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3131
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3132
static void e1000_tx_queue(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3133
			   struct e1000_tx_ring *tx_ring, int tx_flags,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3134
			   int count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3135
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3136
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3137
	struct e1000_tx_desc *tx_desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3138
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3139
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3140
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3141
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3142
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3143
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3144
		             E1000_TXD_CMD_TSE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3145
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3146
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3147
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3148
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3149
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3150
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3151
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3152
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3153
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3154
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3155
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3156
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3157
		txd_lower |= E1000_TXD_CMD_VLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3158
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3159
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3160
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3161
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3162
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3163
	while (count--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3164
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3165
		tx_desc = E1000_TX_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3166
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3167
		tx_desc->lower.data =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3168
			cpu_to_le32(txd_lower | buffer_info->length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3169
		tx_desc->upper.data = cpu_to_le32(txd_upper);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3170
		if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3171
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3172
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3173
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3174
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3175
	/* Force memory writes to complete before letting h/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3176
	 * know there are new descriptors to fetch.  (Only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3177
	 * applicable for weak-ordered memory model archs,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3178
	 * such as IA-64). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3179
	wmb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3180
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3181
	tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3182
	writel(i, hw->hw_addr + tx_ring->tdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3183
	/* we need this if more than one processor can write to our tail
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3184
	 * at a time, it syncronizes IO on IA64/Altix systems */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3185
	mmiowb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3186
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3187
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3188
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3189
 * 82547 workaround to avoid controller hang in half-duplex environment.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3190
 * The workaround is to avoid queuing a large packet that would span
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3191
 * the internal Tx FIFO ring boundary by notifying the stack to resend
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3192
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3193
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3194
 * to the beginning of the Tx FIFO.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3195
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3196
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3197
#define E1000_FIFO_HDR			0x10
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3198
#define E1000_82547_PAD_LEN		0x3E0
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3199
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3200
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3201
				       struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3202
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3203
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3204
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3205
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3206
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3207
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3208
	if (adapter->link_duplex != HALF_DUPLEX)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3209
		goto no_fifo_stall_required;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3210
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3211
	if (atomic_read(&adapter->tx_fifo_stall))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3212
		return 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3213
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3214
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3215
		atomic_set(&adapter->tx_fifo_stall, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3216
		return 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3217
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3218
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3219
no_fifo_stall_required:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3220
	adapter->tx_fifo_head += skb_fifo_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3221
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3222
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3223
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3224
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3225
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3226
#define MINIMUM_DHCP_PACKET_SIZE 282
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3227
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3228
				    struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3229
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3230
	struct e1000_hw *hw =  &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3231
	u16 length, offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3232
	if (vlan_tx_tag_present(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3233
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3234
			( hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3235
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3236
			return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3237
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3238
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3239
		struct ethhdr *eth = (struct ethhdr *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3240
		if ((htons(ETH_P_IP) == eth->h_proto)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3241
			const struct iphdr *ip =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3242
				(struct iphdr *)((u8 *)skb->data+14);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3243
			if (IPPROTO_UDP == ip->protocol) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3244
				struct udphdr *udp =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3245
					(struct udphdr *)((u8 *)ip +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3246
						(ip->ihl << 2));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3247
				if (ntohs(udp->dest) == 67) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3248
					offset = (u8 *)udp + 8 - skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3249
					length = skb->len - offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3250
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3251
					return e1000_mng_write_dhcp_info(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3252
							(u8 *)udp + 8,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3253
							length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3254
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3255
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3256
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3257
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3258
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3259
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3260
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3261
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3262
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3263
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3264
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3265
2471
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3266
	if (adapter->ecdev) {
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3267
		return -EBUSY;
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3268
	}
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3269
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3270
	netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3271
	/* Herbert's original patch had:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3272
	 *  smp_mb__after_netif_stop_queue();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3273
	 * but since that doesn't exist yet, just open code it. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3274
	smp_mb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3275
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3276
	/* We need to check again in a case another CPU has just
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3277
	 * made room available. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3278
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3279
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3280
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3281
	/* A reprieve! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3282
	netif_start_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3283
	++adapter->restart_queue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3284
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3285
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3286
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3287
static int e1000_maybe_stop_tx(struct net_device *netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3288
                               struct e1000_tx_ring *tx_ring, int size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3289
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3290
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3291
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3292
	return __e1000_maybe_stop_tx(netdev, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3293
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3294
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3295
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3296
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3297
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3298
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3299
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3300
	struct e1000_tx_ring *tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3301
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3302
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3303
	unsigned int tx_flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3304
	unsigned int len = skb->len - skb->data_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3305
	unsigned int nr_frags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3306
	unsigned int mss = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3307
	int count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3308
	int tso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3309
	unsigned int f;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3310
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3311
	/* This goes back to the question of how to logically map a tx queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3312
	 * to a flow.  Right now, performance is impacted slightly negatively
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3313
	 * if using multiple tx queues.  If the stack breaks away from a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3314
	 * single qdisc implementation, we can look at this again. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3315
	tx_ring = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3316
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3317
	if (unlikely(skb->len <= 0)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3318
		if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3319
			dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3320
		return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3321
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3322
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3323
	/* 82571 and newer doesn't need the workaround that limited descriptor
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3324
	 * length to 4kB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3325
	if (hw->mac_type >= e1000_82571)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3326
		max_per_txd = 8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3327
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3328
	mss = skb_shinfo(skb)->gso_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3329
	/* The controller does a simple calculation to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3330
	 * make sure there is enough room in the FIFO before
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3331
	 * initiating the DMA for each buffer.  The calc is:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3332
	 * 4 = ceil(buffer len/mss).  To make sure we don't
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3333
	 * overrun the FIFO, adjust the max buffer len if mss
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3334
	 * drops. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3335
	if (mss) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3336
		u8 hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3337
		max_per_txd = min(mss << 2, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3338
		max_txd_pwr = fls(max_per_txd) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3339
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3340
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3341
		* points to just header, pull a few bytes of payload from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3342
		* frags into skb->data */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3343
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3344
		if (skb->data_len && hdr_len == len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3345
			switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3346
				unsigned int pull_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3347
			case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3348
				/* Make sure we have room to chop off 4 bytes,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3349
				 * and that the end alignment will work out to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3350
				 * this hardware's requirements
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3351
				 * NOTE: this is a TSO only workaround
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3352
				 * if end byte alignment not correct move us
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3353
				 * into the next dword */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3354
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3355
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3356
				/* fall through */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3357
			case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3358
			case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3359
			case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3360
			case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3361
				pull_size = min((unsigned int)4, skb->data_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3362
				if (!__pskb_pull_tail(skb, pull_size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3363
					DPRINTK(DRV, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3364
						"__pskb_pull_tail failed.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3365
					dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3366
					return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3367
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3368
				len = skb->len - skb->data_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3369
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3370
			default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3371
				/* do nothing */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3372
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3373
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3374
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3375
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3376
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3377
	/* reserve a descriptor for the offload context */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3378
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3379
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3380
	count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3381
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3382
	/* Controller Erratum workaround */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3383
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3384
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3385
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3386
	count += TXD_USE_COUNT(len, max_txd_pwr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3387
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3388
	if (adapter->pcix_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3389
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3390
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3391
	/* work-around for errata 10 and it applies to all controllers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3392
	 * in PCI-X mode, so add one more descriptor to the count
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3393
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3394
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3395
			(len > 2015)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3396
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3397
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3398
	nr_frags = skb_shinfo(skb)->nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3399
	for (f = 0; f < nr_frags; f++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3400
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3401
				       max_txd_pwr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3402
	if (adapter->pcix_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3403
		count += nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3404
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3405
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3406
	if (hw->tx_pkt_filtering &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3407
	    (hw->mac_type == e1000_82573))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3408
		e1000_transfer_dhcp_info(adapter, skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3409
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3410
	/* need: count + 2 desc gap to keep tail from touching
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3411
	 * head, otherwise try next time */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3412
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3413
		return NETDEV_TX_BUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3414
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3415
	if (unlikely(hw->mac_type == e1000_82547)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3416
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3417
			if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3418
				netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3419
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3420
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3421
			return NETDEV_TX_BUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3422
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3423
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3424
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3425
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3426
		tx_flags |= E1000_TX_FLAGS_VLAN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3427
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3428
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3429
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3430
	first = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3431
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3432
	tso = e1000_tso(adapter, tx_ring, skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3433
	if (tso < 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3434
		if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3435
			dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3436
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3437
		return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3438
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3439
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3440
	if (likely(tso)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3441
		tx_ring->last_tx_tso = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3442
		tx_flags |= E1000_TX_FLAGS_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3443
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3444
		tx_flags |= E1000_TX_FLAGS_CSUM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3445
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3446
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3447
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3448
	 * no longer assume, we must. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3449
	if (likely(skb->protocol == htons(ETH_P_IP)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3450
		tx_flags |= E1000_TX_FLAGS_IPV4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3451
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3452
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3453
	                     nr_frags, mss);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3454
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3455
	if (count) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3456
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3457
		if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3458
			/* Make sure there is space in the ring for the next send. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3459
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3460
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3461
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3462
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3463
		if (!adapter->ecdev) dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3464
		tx_ring->buffer_info[first].time_stamp = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3465
		tx_ring->next_to_use = first;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3466
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3467
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3468
	return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3469
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3470
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3471
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3472
 * e1000_tx_timeout - Respond to a Tx Hang
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3473
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3474
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3475
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3476
static void e1000_tx_timeout(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3477
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3478
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3479
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3480
	/* Do the reset outside of interrupt context */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3481
	adapter->tx_timeout_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3482
	schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3483
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3484
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3485
static void e1000_reset_task(struct work_struct *work)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3486
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3487
	struct e1000_adapter *adapter =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3488
		container_of(work, struct e1000_adapter, reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3489
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3490
	e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3491
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3492
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3493
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3494
 * e1000_get_stats - Get System Network Statistics
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3495
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3496
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3497
 * Returns the address of the device statistics structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3498
 * The statistics are actually updated from the timer callback.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3499
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3500
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3501
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3502
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3503
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3504
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3505
	/* only return the current stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3506
	return &adapter->net_stats;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3507
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3508
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3509
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3510
 * e1000_change_mtu - Change the Maximum Transfer Unit
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3511
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3512
 * @new_mtu: new value for maximum frame size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3513
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3514
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3515
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3516
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3517
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3518
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3519
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3520
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3521
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3522
	u16 eeprom_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3523
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3524
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3525
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3526
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3527
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3528
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3529
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3530
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3531
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3532
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3533
	/* Adapter-specific max frame size limits. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3534
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3535
	case e1000_undefined ... e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3536
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3537
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3538
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3539
			return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3540
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3541
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3542
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3543
		/* Jumbo Frames not supported if:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3544
		 * - this is not an 82573L device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3545
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3546
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3547
		                  &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3548
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3549
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3550
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3551
				DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3552
			            	"Jumbo Frames not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3553
				return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3554
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3555
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3556
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3557
		/* ERT will be enabled later to enable wire speed receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3558
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3559
		/* fall through to get support */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3560
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3561
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3562
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3563
#define MAX_STD_JUMBO_FRAME_SIZE 9234
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3564
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3565
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3566
			return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3567
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3568
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3569
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3570
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3571
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3572
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3573
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3574
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3575
	 * means we reserve 2 more, this pushes us to allocate from the next
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3576
	 * larger slab size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3577
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3578
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3579
	if (max_frame <= E1000_RXBUFFER_256)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3580
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3581
	else if (max_frame <= E1000_RXBUFFER_512)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3582
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3583
	else if (max_frame <= E1000_RXBUFFER_1024)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3584
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3585
	else if (max_frame <= E1000_RXBUFFER_2048)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3586
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3587
	else if (max_frame <= E1000_RXBUFFER_4096)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3588
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3589
	else if (max_frame <= E1000_RXBUFFER_8192)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3590
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3591
	else if (max_frame <= E1000_RXBUFFER_16384)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3592
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3593
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3594
	/* adjust allocation if LPE protects us, and we aren't using SBP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3595
	if (!hw->tbi_compatibility_on &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3596
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3597
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3598
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3599
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3600
	netdev->mtu = new_mtu;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3601
	hw->max_frame_size = max_frame;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3602
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3603
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3604
		e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3605
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3606
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3607
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3608
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3609
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3610
 * e1000_update_stats - Update the board statistics counters
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3611
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3612
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3613
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3614
void e1000_update_stats(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3615
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3616
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3617
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3618
	unsigned long flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3619
	u16 phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3620
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3621
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3622
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3623
	/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3624
	 * Prevent stats update while adapter is being reset, or if the pci
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3625
	 * connection is down.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3626
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3627
	if (adapter->link_speed == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3628
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3629
	if (pci_channel_offline(pdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3630
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3631
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3632
	if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3633
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3634
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3635
	/* these counters are modified from e1000_tbi_adjust_stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3636
	 * called from the interrupt context, so they must only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3637
	 * be written while holding adapter->stats_lock
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3638
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3639
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3640
	adapter->stats.crcerrs += er32(CRCERRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3641
	adapter->stats.gprc += er32(GPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3642
	adapter->stats.gorcl += er32(GORCL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3643
	adapter->stats.gorch += er32(GORCH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3644
	adapter->stats.bprc += er32(BPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3645
	adapter->stats.mprc += er32(MPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3646
	adapter->stats.roc += er32(ROC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3647
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3648
	if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3649
		adapter->stats.prc64 += er32(PRC64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3650
		adapter->stats.prc127 += er32(PRC127);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3651
		adapter->stats.prc255 += er32(PRC255);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3652
		adapter->stats.prc511 += er32(PRC511);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3653
		adapter->stats.prc1023 += er32(PRC1023);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3654
		adapter->stats.prc1522 += er32(PRC1522);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3655
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3656
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3657
	adapter->stats.symerrs += er32(SYMERRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3658
	adapter->stats.mpc += er32(MPC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3659
	adapter->stats.scc += er32(SCC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3660
	adapter->stats.ecol += er32(ECOL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3661
	adapter->stats.mcc += er32(MCC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3662
	adapter->stats.latecol += er32(LATECOL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3663
	adapter->stats.dc += er32(DC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3664
	adapter->stats.sec += er32(SEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3665
	adapter->stats.rlec += er32(RLEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3666
	adapter->stats.xonrxc += er32(XONRXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3667
	adapter->stats.xontxc += er32(XONTXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3668
	adapter->stats.xoffrxc += er32(XOFFRXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3669
	adapter->stats.xofftxc += er32(XOFFTXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3670
	adapter->stats.fcruc += er32(FCRUC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3671
	adapter->stats.gptc += er32(GPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3672
	adapter->stats.gotcl += er32(GOTCL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3673
	adapter->stats.gotch += er32(GOTCH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3674
	adapter->stats.rnbc += er32(RNBC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3675
	adapter->stats.ruc += er32(RUC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3676
	adapter->stats.rfc += er32(RFC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3677
	adapter->stats.rjc += er32(RJC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3678
	adapter->stats.torl += er32(TORL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3679
	adapter->stats.torh += er32(TORH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3680
	adapter->stats.totl += er32(TOTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3681
	adapter->stats.toth += er32(TOTH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3682
	adapter->stats.tpr += er32(TPR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3683
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3684
	if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3685
		adapter->stats.ptc64 += er32(PTC64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3686
		adapter->stats.ptc127 += er32(PTC127);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3687
		adapter->stats.ptc255 += er32(PTC255);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3688
		adapter->stats.ptc511 += er32(PTC511);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3689
		adapter->stats.ptc1023 += er32(PTC1023);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3690
		adapter->stats.ptc1522 += er32(PTC1522);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3691
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3692
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3693
	adapter->stats.mptc += er32(MPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3694
	adapter->stats.bptc += er32(BPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3695
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3696
	/* used for adaptive IFS */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3697
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3698
	hw->tx_packet_delta = er32(TPT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3699
	adapter->stats.tpt += hw->tx_packet_delta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3700
	hw->collision_delta = er32(COLC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3701
	adapter->stats.colc += hw->collision_delta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3702
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3703
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3704
		adapter->stats.algnerrc += er32(ALGNERRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3705
		adapter->stats.rxerrc += er32(RXERRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3706
		adapter->stats.tncrs += er32(TNCRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3707
		adapter->stats.cexterr += er32(CEXTERR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3708
		adapter->stats.tsctc += er32(TSCTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3709
		adapter->stats.tsctfc += er32(TSCTFC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3710
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3711
	if (hw->mac_type > e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3712
		adapter->stats.iac += er32(IAC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3713
		adapter->stats.icrxoc += er32(ICRXOC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3714
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3715
		if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3716
			adapter->stats.icrxptc += er32(ICRXPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3717
			adapter->stats.icrxatc += er32(ICRXATC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3718
			adapter->stats.ictxptc += er32(ICTXPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3719
			adapter->stats.ictxatc += er32(ICTXATC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3720
			adapter->stats.ictxqec += er32(ICTXQEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3721
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3722
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3723
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3724
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3725
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3726
	/* Fill out the OS statistics structure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3727
	adapter->net_stats.multicast = adapter->stats.mprc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3728
	adapter->net_stats.collisions = adapter->stats.colc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3729
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3730
	/* Rx Errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3731
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3732
	/* RLEC on some newer hardware can be incorrect so build
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3733
	* our own version based on RUC and ROC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3734
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3735
		adapter->stats.crcerrs + adapter->stats.algnerrc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3736
		adapter->stats.ruc + adapter->stats.roc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3737
		adapter->stats.cexterr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3738
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3739
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3740
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3741
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3742
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3743
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3744
	/* Tx Errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3745
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3746
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3747
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3748
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3749
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3750
	if (hw->bad_tx_carr_stats_fd &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3751
	    adapter->link_duplex == FULL_DUPLEX) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3752
		adapter->net_stats.tx_carrier_errors = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3753
		adapter->stats.tncrs = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3754
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3755
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3756
	/* Tx Dropped needs to be maintained elsewhere */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3757
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3758
	/* Phy Stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3759
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3760
		if ((adapter->link_speed == SPEED_1000) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3761
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3762
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3763
			adapter->phy_stats.idle_errors += phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3764
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3765
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3766
		if ((hw->mac_type <= e1000_82546) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3767
		   (hw->phy_type == e1000_phy_m88) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3768
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3769
			adapter->phy_stats.receive_errors += phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3770
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3771
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3772
	/* Management Stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3773
	if (hw->has_smbus) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3774
		adapter->stats.mgptc += er32(MGTPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3775
		adapter->stats.mgprc += er32(MGTPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3776
		adapter->stats.mgpdc += er32(MGTPDC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3777
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3778
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3779
	if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3780
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3781
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3782
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3783
void ec_poll(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3784
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3785
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3786
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3787
		e1000_watchdog((unsigned long) adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3788
		adapter->ec_watchdog_jiffies = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3789
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3790
#ifdef CONFIG_PCI_MSI
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3791
	e1000_intr_msi(0, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3792
#else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3793
	e1000_intr(0, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3794
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3795
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3796
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3797
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3798
 * e1000_intr_msi - Interrupt Handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3799
 * @irq: interrupt number
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3800
 * @data: pointer to a network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3801
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3802
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3803
static irqreturn_t e1000_intr_msi(int irq, void *data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3804
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3805
	struct net_device *netdev = data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3806
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3807
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3808
	u32 icr = er32(ICR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3809
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3810
	if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3811
		int i, ec_work_done = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3812
		for (i = 0; i < E1000_MAX_INTR; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3813
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
2203
0e85057a70fb Fixed accidentially used operator & by using &&.
Florian Pose <fp@igh-essen.com>
parents: 2198
diff changeset
  3814
						&ec_work_done, 100) &&
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3815
					!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3816
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3817
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3818
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3819
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3820
		/* in NAPI mode read ICR disables interrupts using IAM */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3821
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3822
		if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3823
			hw->get_link_status = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3824
			/* 80003ES2LAN workaround-- For packet buffer work-around on
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3825
			 * link down event; disable receives here in the ISR and reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3826
			 * adapter in watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3827
			if (netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3828
			    (hw->mac_type == e1000_80003es2lan)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3829
				/* disable receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3830
				u32 rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3831
				ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3832
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3833
			/* guard against interrupt when we're going down */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3834
			if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3835
				mod_timer(&adapter->watchdog_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3836
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3837
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3838
		if (likely(napi_schedule_prep(&adapter->napi))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3839
			adapter->total_tx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3840
			adapter->total_tx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3841
			adapter->total_rx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3842
			adapter->total_rx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3843
			__napi_schedule(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3844
		} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3845
			e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3846
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3847
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3848
	return IRQ_HANDLED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3849
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3850
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3851
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3852
 * e1000_intr - Interrupt Handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3853
 * @irq: interrupt number
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3854
 * @data: pointer to a network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3855
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3856
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3857
static irqreturn_t e1000_intr(int irq, void *data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3858
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3859
	struct net_device *netdev = data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3860
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3861
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3862
	u32 rctl, icr = er32(ICR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3863
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3864
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3865
		return IRQ_NONE;  /* Not our interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3866
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3867
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3868
	 * not set, then the adapter didn't send an interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3869
	if (unlikely(hw->mac_type >= e1000_82571 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3870
	             !(icr & E1000_ICR_INT_ASSERTED)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3871
		return IRQ_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3872
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3873
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3874
	 * need for the IMC write */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3875
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3876
	if (!adapter->ecdev && unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3877
		hw->get_link_status = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3878
		/* 80003ES2LAN workaround--
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3879
		 * For packet buffer work-around on link down event;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3880
		 * disable receives here in the ISR and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3881
		 * reset adapter in watchdog
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3882
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3883
		if (netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3884
		    (hw->mac_type == e1000_80003es2lan)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3885
			/* disable receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3886
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3887
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3888
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3889
		/* guard against interrupt when we're going down */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3890
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3891
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3892
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3893
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3894
	if (adapter->ecdev) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3895
		int i, ec_work_done = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3896
		for (i = 0; i < E1000_MAX_INTR; i++) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3897
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3898
							&ec_work_done, 100) &&
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3899
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3900
				break;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3901
			}
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3902
		}
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3903
	} else {
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3904
		if (unlikely(hw->mac_type < e1000_82571)) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3905
			/* disable interrupts, without the synchronize_irq bit */
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3906
			ew32(IMC, ~0);
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3907
			E1000_WRITE_FLUSH();
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3908
		}
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3909
		if (likely(napi_schedule_prep(&adapter->napi))) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3910
			adapter->total_tx_bytes = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3911
			adapter->total_tx_packets = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3912
			adapter->total_rx_bytes = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3913
			adapter->total_rx_packets = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3914
			__napi_schedule(&adapter->napi);
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3915
		} else {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3916
			/* this really should not happen! if it does it is basically a
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3917
			 * bug, but not a hard error, so enable ints and continue */
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3918
			if (!test_bit(__E1000_DOWN, &adapter->flags))
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3919
				e1000_irq_enable(adapter);
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3920
		}
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3921
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3922
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3923
	return IRQ_HANDLED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3924
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3925
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3926
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3927
 * e1000_clean - NAPI Rx polling callback
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3928
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3929
 * EtherCAT: never called
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3930
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3931
static int e1000_clean(struct napi_struct *napi, int budget)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3932
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3933
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3934
	struct net_device *poll_dev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3935
	int tx_cleaned = 0, work_done = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3936
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3937
	adapter = netdev_priv(poll_dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3938
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3939
	tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3940
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3941
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3942
	                  &work_done, budget);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3943
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3944
	if (!tx_cleaned)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3945
		work_done = budget;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3946
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3947
	/* If budget not fully consumed, exit the polling mode */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3948
	if (work_done < budget) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3949
		if (likely(adapter->itr_setting & 3))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3950
			e1000_set_itr(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3951
		napi_complete(napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3952
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3953
			e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3954
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3955
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3956
	return work_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3957
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3958
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3959
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3960
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3961
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3962
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3963
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3964
			       struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3965
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3966
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3967
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3968
	struct e1000_tx_desc *tx_desc, *eop_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3969
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3970
	unsigned int i, eop;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3971
	unsigned int count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3972
	unsigned int total_tx_bytes=0, total_tx_packets=0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3973
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3974
	i = tx_ring->next_to_clean;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3975
	eop = tx_ring->buffer_info[i].next_to_watch;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3976
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3977
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3978
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3979
	       (count < tx_ring->count)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3980
		bool cleaned = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3981
		for ( ; !cleaned; count++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3982
			tx_desc = E1000_TX_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3983
			buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3984
			cleaned = (i == eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3985
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3986
			if (cleaned) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3987
				struct sk_buff *skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3988
				unsigned int segs, bytecount;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3989
				segs = skb_shinfo(skb)->gso_segs ?: 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3990
				/* multiply data chunks by size of headers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3991
				bytecount = ((segs - 1) * skb_headlen(skb)) +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3992
				            skb->len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3993
				total_tx_packets += segs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3994
				total_tx_bytes += bytecount;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3995
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3996
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3997
			tx_desc->upper.data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3998
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3999
			if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4000
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4001
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4002
		eop = tx_ring->buffer_info[i].next_to_watch;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4003
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4004
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4005
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4006
	tx_ring->next_to_clean = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4007
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4008
#define TX_WAKE_THRESHOLD 32
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4009
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4010
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4011
		/* Make sure that anybody stopping the queue after this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4012
		 * sees the new next_to_clean.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4013
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4014
		smp_mb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4015
		if (netif_queue_stopped(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4016
			netif_wake_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4017
			++adapter->restart_queue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4018
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4019
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4020
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4021
	if (!adapter->ecdev && adapter->detect_tx_hung) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4022
		/* Detect a transmit hang in hardware, this serializes the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4023
		 * check with the clearing of time_stamp and movement of i */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4024
		adapter->detect_tx_hung = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4025
		if (tx_ring->buffer_info[i].time_stamp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4026
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4027
		               (adapter->tx_timeout_factor * HZ))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4028
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4029
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4030
			/* detected Tx unit hang */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4031
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4032
					"  Tx Queue             <%lu>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4033
					"  TDH                  <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4034
					"  TDT                  <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4035
					"  next_to_use          <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4036
					"  next_to_clean        <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4037
					"buffer_info[next_to_clean]\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4038
					"  time_stamp           <%lx>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4039
					"  next_to_watch        <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4040
					"  jiffies              <%lx>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4041
					"  next_to_watch.status <%x>\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4042
				(unsigned long)((tx_ring - adapter->tx_ring) /
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4043
					sizeof(struct e1000_tx_ring)),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4044
				readl(hw->hw_addr + tx_ring->tdh),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4045
				readl(hw->hw_addr + tx_ring->tdt),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4046
				tx_ring->next_to_use,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4047
				tx_ring->next_to_clean,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4048
				tx_ring->buffer_info[i].time_stamp,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4049
				eop,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4050
				jiffies,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4051
				eop_desc->upper.fields.status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4052
			netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4053
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4054
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4055
	adapter->total_tx_bytes += total_tx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4056
	adapter->total_tx_packets += total_tx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4057
	adapter->net_stats.tx_bytes += total_tx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4058
	adapter->net_stats.tx_packets += total_tx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4059
	return (count < tx_ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4060
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4061
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4062
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4063
 * e1000_rx_checksum - Receive Checksum Offload for 82543
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4064
 * @adapter:     board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4065
 * @status_err:  receive descriptor status and error fields
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4066
 * @csum:        receive descriptor csum field
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4067
 * @sk_buff:     socket buffer with received data
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4068
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4069
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4070
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4071
			      u32 csum, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4072
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4073
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4074
	u16 status = (u16)status_err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4075
	u8 errors = (u8)(status_err >> 24);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4076
	skb->ip_summed = CHECKSUM_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4077
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4078
	/* 82543 or newer only */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4079
	if (unlikely(hw->mac_type < e1000_82543)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4080
	/* Ignore Checksum bit is set */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4081
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4082
	/* TCP/UDP checksum error bit is set */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4083
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4084
		/* let the stack verify checksum errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4085
		adapter->hw_csum_err++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4086
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4087
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4088
	/* TCP/UDP Checksum has not been calculated */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4089
	if (hw->mac_type <= e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4090
		if (!(status & E1000_RXD_STAT_TCPCS))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4091
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4092
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4093
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4094
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4095
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4096
	/* It must be a TCP or UDP packet with a valid checksum */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4097
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4098
		/* TCP checksum is good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4099
		skb->ip_summed = CHECKSUM_UNNECESSARY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4100
	} else if (hw->mac_type > e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4101
		/* IP fragment with UDP payload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4102
		/* Hardware complements the payload checksum, so we undo it
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4103
		 * and then put the value in host order for further stack use.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4104
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4105
		__sum16 sum = (__force __sum16)htons(csum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4106
		skb->csum = csum_unfold(~sum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4107
		skb->ip_summed = CHECKSUM_COMPLETE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4108
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4109
	adapter->hw_csum_good++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4110
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4111
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4112
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4113
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4114
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4115
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4116
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4117
			       struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4118
			       int *work_done, int work_to_do)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4119
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4120
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4121
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4122
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4123
	struct e1000_rx_desc *rx_desc, *next_rxd;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4124
	struct e1000_buffer *buffer_info, *next_buffer;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4125
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4126
	u32 length;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4127
	u8 last_byte;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4128
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4129
	int cleaned_count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4130
	bool cleaned = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4131
	unsigned int total_rx_bytes=0, total_rx_packets=0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4132
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4133
	i = rx_ring->next_to_clean;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4134
	rx_desc = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4135
	buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4136
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4137
	while (rx_desc->status & E1000_RXD_STAT_DD) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4138
		struct sk_buff *skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4139
		u8 status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4140
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4141
		if (*work_done >= work_to_do)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4142
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4143
		(*work_done)++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4144
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4145
		status = rx_desc->status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4146
		skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4147
		if (!adapter->ecdev) buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4148
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4149
		prefetch(skb->data - NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4150
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4151
		if (++i == rx_ring->count) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4152
		next_rxd = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4153
		prefetch(next_rxd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4154
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4155
		next_buffer = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4156
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4157
		cleaned = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4158
		cleaned_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4159
		pci_unmap_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4160
		                 buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4161
		                 buffer_info->length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4162
		                 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4163
		buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4164
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4165
		length = le16_to_cpu(rx_desc->length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4166
		/* !EOP means multiple descriptors were used to store a single
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4167
		 * packet, also make sure the frame isn't just CRC only */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4168
		if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4169
			/* All receives must fit into a single buffer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4170
			E1000_DBG("%s: Receive packet consumed multiple"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4171
				  " buffers\n", netdev->name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4172
			/* recycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4173
			buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4174
			goto next_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4175
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4176
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4177
		if (!adapter->ecdev &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4178
				unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4179
			last_byte = *(skb->data + length - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4180
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4181
				       last_byte)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4182
				spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4183
				e1000_tbi_adjust_stats(hw, &adapter->stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4184
				                       length, skb->data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4185
				spin_unlock_irqrestore(&adapter->stats_lock,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4186
				                       flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4187
				length--;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4188
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4189
				/* recycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4190
				buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4191
				goto next_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4192
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4193
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4194
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4195
		/* adjust length to remove Ethernet CRC, this must be
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4196
		 * done after the TBI_ACCEPT workaround above */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4197
		length -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4199
		/* probably a little skewed due to removing CRC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4200
		total_rx_bytes += length;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4201
		total_rx_packets++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4202
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4203
		/* code added for copybreak, this should improve
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4204
		 * performance for small packets with large amounts
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4205
		 * of reassembly being done in the stack */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4206
		if (!adapter->ecdev && length < copybreak) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4207
			struct sk_buff *new_skb =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4208
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4209
			if (new_skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4210
				skb_reserve(new_skb, NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4211
				skb_copy_to_linear_data_offset(new_skb,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4212
							       -NET_IP_ALIGN,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4213
							       (skb->data -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4214
							        NET_IP_ALIGN),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4215
							       (length +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4216
							        NET_IP_ALIGN));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4217
				/* save the skb in buffer_info as good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4218
				buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4219
				skb = new_skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4220
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4221
			/* else just continue with the old one */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4222
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4223
		/* end copybreak code */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4224
		skb_put(skb, length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4225
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4226
		/* Receive Checksum Offload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4227
		e1000_rx_checksum(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4228
				  (u32)(status) |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4229
				  ((u32)(rx_desc->errors) << 24),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4230
				  le16_to_cpu(rx_desc->csum), skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4231
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4232
		if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4233
			ecdev_receive(adapter->ecdev, skb->data, length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4234
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4235
			// No need to detect link status as
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4236
			// long as frames are received: Reset watchdog.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4237
			adapter->ec_watchdog_jiffies = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4238
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4239
			skb->protocol = eth_type_trans(skb, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4240
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4241
			if (unlikely(adapter->vlgrp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4242
				    (status & E1000_RXD_STAT_VP))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4243
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4244
							 le16_to_cpu(rx_desc->special));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4245
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4246
				netif_receive_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4247
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4248
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4249
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4250
next_desc:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4251
		rx_desc->status = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4252
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4253
		/* return some buffers to hardware, one at a time is too slow */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4254
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4255
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4256
			cleaned_count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4257
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4258
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4259
		/* use prefetched values */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4260
		rx_desc = next_rxd;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4261
		buffer_info = next_buffer;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4262
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4263
	rx_ring->next_to_clean = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4264
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4265
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4266
	if (cleaned_count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4267
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4268
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4269
	adapter->total_rx_packets += total_rx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4270
	adapter->total_rx_bytes += total_rx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4271
	adapter->net_stats.rx_bytes += total_rx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4272
	adapter->net_stats.rx_packets += total_rx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4273
	return cleaned;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4274
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4275
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4276
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4277
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4278
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4279
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4280
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4281
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4282
				   struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4283
				   int cleaned_count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4284
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4285
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4286
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4287
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4288
	struct e1000_rx_desc *rx_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4289
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4290
	struct sk_buff *skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4291
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4292
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4293
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4294
	i = rx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4295
	buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4296
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4297
	while (cleaned_count--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4298
		skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4299
		if (skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4300
			skb_trim(skb, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4301
			goto map_skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4302
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4303
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4304
		skb = netdev_alloc_skb(netdev, bufsz);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4305
		if (unlikely(!skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4306
			/* Better luck next round */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4307
			adapter->alloc_rx_buff_failed++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4308
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4309
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4310
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4311
		/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4312
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4313
			struct sk_buff *oldskb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4314
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4315
					     "at %p\n", bufsz, skb->data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4316
			/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4317
			skb = netdev_alloc_skb(netdev, bufsz);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4318
			/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4319
			if (!skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4320
				dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4321
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4322
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4323
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4324
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4325
				/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4326
				dev_kfree_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4327
				dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4328
				break; /* while !buffer_info->skb */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4329
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4330
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4331
			/* Use new allocation */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4332
			dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4333
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4334
		/* Make buffer alignment 2 beyond a 16 byte boundary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4335
		 * this will result in a 16 byte aligned IP header after
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4336
		 * the 14 byte MAC header is removed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4337
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4338
		skb_reserve(skb, NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4339
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4340
		buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4341
		buffer_info->length = adapter->rx_buffer_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4342
map_skb:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4343
		buffer_info->dma = pci_map_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4344
						  skb->data,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4345
						  adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4346
						  PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4348
		/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4349
		if (!e1000_check_64k_bound(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4350
					(void *)(unsigned long)buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4351
					adapter->rx_buffer_len)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4352
			DPRINTK(RX_ERR, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4353
				"dma align check failed: %u bytes at %p\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4354
				adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4355
				(void *)(unsigned long)buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4356
			if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4357
				dev_kfree_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4358
				buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4359
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4360
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4361
			pci_unmap_single(pdev, buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4362
					 adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4363
					 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4364
			buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4365
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4366
			break; /* while !buffer_info->skb */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4367
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4368
		rx_desc = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4369
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4370
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4371
		if (unlikely(++i == rx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4372
			i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4373
		buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4374
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4375
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4376
	if (likely(rx_ring->next_to_use != i)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4377
		rx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4378
		if (unlikely(i-- == 0))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4379
			i = (rx_ring->count - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4380
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4381
		/* Force memory writes to complete before letting h/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4382
		 * know there are new descriptors to fetch.  (Only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4383
		 * applicable for weak-ordered memory model archs,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4384
		 * such as IA-64). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4385
		wmb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4386
		writel(i, hw->hw_addr + rx_ring->rdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4387
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4388
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4389
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4390
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4391
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4392
 * @adapter:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4393
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4394
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4395
static void e1000_smartspeed(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4396
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4397
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4398
	u16 phy_status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4399
	u16 phy_ctrl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4400
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4401
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4402
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4403
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4404
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4405
	if (adapter->smartspeed == 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4406
		/* If Master/Slave config fault is asserted twice,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4407
		 * we assume back-to-back */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4408
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4409
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4410
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4411
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4412
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4413
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4414
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4415
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4416
					    phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4417
			adapter->smartspeed++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4418
			if (!e1000_phy_setup_autoneg(hw) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4419
			   !e1000_read_phy_reg(hw, PHY_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4420
				   	       &phy_ctrl)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4421
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4422
					     MII_CR_RESTART_AUTO_NEG);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4423
				e1000_write_phy_reg(hw, PHY_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4424
						    phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4425
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4426
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4427
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4428
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4429
		/* If still no link, perhaps using 2/3 pair cable */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4430
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4431
		phy_ctrl |= CR_1000T_MS_ENABLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4432
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4433
		if (!e1000_phy_setup_autoneg(hw) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4434
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4435
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4436
				     MII_CR_RESTART_AUTO_NEG);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4437
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4438
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4439
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4440
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4441
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4442
		adapter->smartspeed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4443
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4444
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4445
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4446
 * e1000_ioctl -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4447
 * @netdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4448
 * @ifreq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4449
 * @cmd:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4450
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4451
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4452
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4453
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4454
	switch (cmd) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4455
	case SIOCGMIIPHY:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4456
	case SIOCGMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4457
	case SIOCSMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4458
		return e1000_mii_ioctl(netdev, ifr, cmd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4459
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4460
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4461
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4462
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4463
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4464
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4465
 * e1000_mii_ioctl -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4466
 * @netdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4467
 * @ifreq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4468
 * @cmd:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4469
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4470
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4471
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4472
			   int cmd)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4473
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4474
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4475
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4476
	struct mii_ioctl_data *data = if_mii(ifr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4477
	int retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4478
	u16 mii_reg;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4479
	u16 spddplx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4480
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4481
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4482
	if (hw->media_type != e1000_media_type_copper)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4483
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4484
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4485
	switch (cmd) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4486
	case SIOCGMIIPHY:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4487
		data->phy_id = hw->phy_addr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4488
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4489
	case SIOCGMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4490
		if (!capable(CAP_NET_ADMIN) || adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4491
			return -EPERM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4492
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4493
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4494
				   &data->val_out)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4495
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4496
			return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4497
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4498
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4499
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4500
	case SIOCSMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4501
		if (!capable(CAP_NET_ADMIN) || adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4502
			return -EPERM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4503
		if (data->reg_num & ~(0x1F))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4504
			return -EFAULT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4505
		mii_reg = data->val_in;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4506
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4507
		if (e1000_write_phy_reg(hw, data->reg_num,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4508
					mii_reg)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4509
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4510
			return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4511
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4512
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4513
		if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4514
			switch (data->reg_num) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4515
			case PHY_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4516
				if (mii_reg & MII_CR_POWER_DOWN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4517
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4518
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4519
					hw->autoneg = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4520
					hw->autoneg_advertised = 0x2F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4521
				} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4522
					if (mii_reg & 0x40)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4523
						spddplx = SPEED_1000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4524
					else if (mii_reg & 0x2000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4525
						spddplx = SPEED_100;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4526
					else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4527
						spddplx = SPEED_10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4528
					spddplx += (mii_reg & 0x100)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4529
						   ? DUPLEX_FULL :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4530
						   DUPLEX_HALF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4531
					retval = e1000_set_spd_dplx(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4532
								    spddplx);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4533
					if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4534
						return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4535
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4536
				if (netif_running(adapter->netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4537
					e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4538
				else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4539
					e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4540
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4541
			case M88E1000_PHY_SPEC_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4542
			case M88E1000_EXT_PHY_SPEC_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4543
				if (e1000_phy_reset(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4544
					return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4545
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4546
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4547
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4548
			switch (data->reg_num) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4549
			case PHY_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4550
				if (mii_reg & MII_CR_POWER_DOWN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4551
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4552
				if (netif_running(adapter->netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4553
					e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4554
				else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4555
					e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4556
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4557
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4558
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4559
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4560
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4561
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4562
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4563
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4564
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4565
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4566
void e1000_pci_set_mwi(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4567
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4568
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4569
	int ret_val = pci_set_mwi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4570
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4571
	if (ret_val)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4572
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4573
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4574
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4575
void e1000_pci_clear_mwi(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4576
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4577
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4578
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4579
	pci_clear_mwi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4580
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4581
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4582
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4583
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4584
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4585
	return pcix_get_mmrbc(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4586
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4587
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4588
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4589
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4590
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4591
	pcix_set_mmrbc(adapter->pdev, mmrbc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4592
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4593
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4594
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4595
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4596
    struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4597
    u16 cap_offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4598
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4599
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4600
    if (!cap_offset)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4601
        return -E1000_ERR_CONFIG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4602
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4603
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4604
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4605
    return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4606
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4607
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4608
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4609
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4610
	outl(value, port);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4611
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4612
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4613
static void e1000_vlan_rx_register(struct net_device *netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4614
				   struct vlan_group *grp)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4615
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4616
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4617
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4618
	u32 ctrl, rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4619
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4620
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4621
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4622
	adapter->vlgrp = grp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4623
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4624
	if (grp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4625
		/* enable VLAN tag insert/strip */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4626
		ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4627
		ctrl |= E1000_CTRL_VME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4628
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4629
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4630
		if (adapter->hw.mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4631
			/* enable VLAN receive filtering */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4632
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4633
			rctl &= ~E1000_RCTL_CFIEN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4634
			ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4635
			e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4636
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4637
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4638
		/* disable VLAN tag insert/strip */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4639
		ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4640
		ctrl &= ~E1000_CTRL_VME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4641
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4642
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4643
		if (adapter->hw.mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4644
			if (adapter->mng_vlan_id !=
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4645
			    (u16)E1000_MNG_VLAN_NONE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4646
				e1000_vlan_rx_kill_vid(netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4647
				                       adapter->mng_vlan_id);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4648
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4649
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4650
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4651
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4652
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4653
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4654
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4655
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4656
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4657
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4658
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4659
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4660
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4661
	u32 vfta, index;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4662
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4663
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4664
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4665
	    (vid == adapter->mng_vlan_id))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4666
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4667
	/* add VID to filter table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4668
	index = (vid >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4669
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4670
	vfta |= (1 << (vid & 0x1F));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4671
	e1000_write_vfta(hw, index, vfta);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4672
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4673
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4674
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4675
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4676
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4677
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4678
	u32 vfta, index;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4679
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4680
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4681
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4682
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4683
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4684
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4685
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4686
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4687
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4688
	    (vid == adapter->mng_vlan_id)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4689
		/* release control to f/w */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4690
		e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4691
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4692
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4693
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4694
	/* remove VID from filter table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4695
	index = (vid >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4696
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4697
	vfta &= ~(1 << (vid & 0x1F));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4698
	e1000_write_vfta(hw, index, vfta);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4699
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4700
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4701
static void e1000_restore_vlan(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4702
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4703
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4704
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4705
	if (adapter->vlgrp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4706
		u16 vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4707
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4708
			if (!vlan_group_get_device(adapter->vlgrp, vid))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4709
				continue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4710
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4711
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4712
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4713
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4714
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4715
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4716
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4717
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4718
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4719
	hw->autoneg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4720
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4721
	/* Fiber NICs only allow 1000 gbps Full duplex */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4722
	if ((hw->media_type == e1000_media_type_fiber) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4723
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4724
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4725
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4726
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4727
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4728
	switch (spddplx) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4729
	case SPEED_10 + DUPLEX_HALF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4730
		hw->forced_speed_duplex = e1000_10_half;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4731
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4732
	case SPEED_10 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4733
		hw->forced_speed_duplex = e1000_10_full;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4734
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4735
	case SPEED_100 + DUPLEX_HALF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4736
		hw->forced_speed_duplex = e1000_100_half;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4737
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4738
	case SPEED_100 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4739
		hw->forced_speed_duplex = e1000_100_full;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4740
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4741
	case SPEED_1000 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4742
		hw->autoneg = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4743
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4744
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4745
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4746
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4747
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4748
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4749
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4750
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4751
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4752
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4753
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4754
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4755
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4756
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4757
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4758
	u32 ctrl, ctrl_ext, rctl, status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4759
	u32 wufc = adapter->wol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4760
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4761
	int retval = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4762
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4763
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4764
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4765
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4766
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4767
	netif_device_detach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4768
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4769
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4770
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4771
		e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4772
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4773
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4774
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4775
	retval = pci_save_state(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4776
	if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4777
		return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4778
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4779
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4780
	status = er32(STATUS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4781
	if (status & E1000_STATUS_LU)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4782
		wufc &= ~E1000_WUFC_LNKC;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4783
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4784
	if (wufc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4785
		e1000_setup_rctl(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4786
		e1000_set_rx_mode(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4787
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4788
		/* turn on all-multi mode if wake on multicast is enabled */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4789
		if (wufc & E1000_WUFC_MC) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4790
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4791
			rctl |= E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4792
			ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4793
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4794
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4795
		if (hw->mac_type >= e1000_82540) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4796
			ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4797
			/* advertise wake from D3Cold */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4798
			#define E1000_CTRL_ADVD3WUC 0x00100000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4799
			/* phy power management enable */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4800
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4801
			ctrl |= E1000_CTRL_ADVD3WUC |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4802
				E1000_CTRL_EN_PHY_PWR_MGMT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4803
			ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4804
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4805
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4806
		if (hw->media_type == e1000_media_type_fiber ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4807
		   hw->media_type == e1000_media_type_internal_serdes) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4808
			/* keep the laser running in D3 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4809
			ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4810
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4811
			ew32(CTRL_EXT, ctrl_ext);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4812
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4813
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4814
		/* Allow time for pending master requests to run */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4815
		e1000_disable_pciex_master(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4816
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4817
		ew32(WUC, E1000_WUC_PME_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4818
		ew32(WUFC, wufc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4819
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4820
		ew32(WUC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4821
		ew32(WUFC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4822
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4823
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4824
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4825
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4826
	*enable_wake = !!wufc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4827
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4828
	/* make sure adapter isn't asleep if manageability is enabled */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4829
	if (adapter->en_mng_pt)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4830
		*enable_wake = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4831
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4832
	if (hw->phy_type == e1000_phy_igp_3)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4833
		e1000_phy_powerdown_workaround(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4834
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4835
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4836
		e1000_free_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4837
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4838
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4839
	 * would have already happened in close and is redundant. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4840
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4841
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4842
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4843
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4844
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4845
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4846
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4847
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4848
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4849
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4850
	int retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4851
	bool wake;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4852
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4853
	retval = __e1000_shutdown(pdev, &wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4854
	if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4855
		return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4856
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4857
	if (wake) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4858
		pci_prepare_to_sleep(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4859
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4860
		pci_wake_from_d3(pdev, false);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4861
		pci_set_power_state(pdev, PCI_D3hot);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4862
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4863
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4864
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4865
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4866
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4867
static int e1000_resume(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4868
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4869
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4870
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4871
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4872
	u32 err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4873
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4874
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4875
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4876
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4877
	pci_set_power_state(pdev, PCI_D0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4878
	pci_restore_state(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4879
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4880
	if (adapter->need_ioport)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4881
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4882
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4883
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4884
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4885
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4886
		return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4887
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4888
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4889
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4890
	pci_enable_wake(pdev, PCI_D3hot, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4891
	pci_enable_wake(pdev, PCI_D3cold, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4892
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4893
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4894
		err = e1000_request_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4895
		if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4896
			return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4897
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4898
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4899
	e1000_power_up_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4900
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4901
	ew32(WUS, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4902
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4903
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4904
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4905
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4906
		e1000_up(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4907
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4908
	if (!adapter->ecdev) netif_device_attach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4909
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4910
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4911
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4912
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4913
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4914
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4915
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4916
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4917
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4918
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4919
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4920
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4921
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4922
static void e1000_shutdown(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4923
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4924
	bool wake;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4925
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4926
	__e1000_shutdown(pdev, &wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4927
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4928
	if (system_state == SYSTEM_POWER_OFF) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4929
		pci_wake_from_d3(pdev, wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4930
		pci_set_power_state(pdev, PCI_D3hot);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4931
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4932
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4933
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4934
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4935
/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4936
 * Polling 'interrupt' - used by things like netconsole to send skbs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4937
 * without having to re-enable interrupts. It's not called while
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4938
 * the interrupt routine is executing.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4939
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4940
static void e1000_netpoll(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4941
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4942
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4943
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4944
	disable_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4945
	e1000_intr(adapter->pdev->irq, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4946
	enable_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4947
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4948
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4949
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4950
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4951
 * e1000_io_error_detected - called when PCI error is detected
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4952
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4953
 * @state: The current pci conneection state
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4954
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4955
 * This function is called after a PCI bus error affecting
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4956
 * this device has been detected.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4957
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4958
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4959
						pci_channel_state_t state)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4960
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4961
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4962
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4963
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4964
	netif_device_detach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4965
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4966
	if (state == pci_channel_io_perm_failure)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4967
		return PCI_ERS_RESULT_DISCONNECT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4968
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4969
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4970
		e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4971
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4972
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4973
	/* Request a slot slot reset. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4974
	return PCI_ERS_RESULT_NEED_RESET;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4975
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4976
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4977
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4978
 * e1000_io_slot_reset - called after the pci bus has been reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4979
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4980
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4981
 * Restart the card from scratch, as if from a cold-boot. Implementation
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4982
 * resembles the first-half of the e1000_resume routine.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4983
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4984
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4985
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4986
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4987
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4988
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4989
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4990
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4991
	if (adapter->need_ioport)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4992
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4993
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4994
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4995
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4996
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4997
		return PCI_ERS_RESULT_DISCONNECT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4998
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4999
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5001
	pci_enable_wake(pdev, PCI_D3hot, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5002
	pci_enable_wake(pdev, PCI_D3cold, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5003
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5004
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5005
	ew32(WUS, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5006
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5007
	return PCI_ERS_RESULT_RECOVERED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5008
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5009
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5010
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5011
 * e1000_io_resume - called when traffic can start flowing again.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5012
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5013
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5014
 * This callback is called when the error recovery driver tells us that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5015
 * its OK to resume normal operation. Implementation resembles the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5016
 * second-half of the e1000_resume routine.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5017
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5018
static void e1000_io_resume(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5019
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5020
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5021
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5022
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5023
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5024
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5025
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5026
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5027
		if (e1000_up(adapter)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5028
			printk("e1000: can't bring device back up after reset\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5029
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5030
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5031
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5032
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5033
	netif_device_attach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5034
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5035
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5036
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5037
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5038
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5039
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5040
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5041
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5042
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5043
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5044
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5045
/* e1000_main.c */