devices/e1000/e1000_main-2.6.35-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 04 Dec 2012 12:09:42 +0100
branchstable-1.5
changeset 2457 30a6df891e7d
parent 2421 bc2d4bf9cbe5
child 2469 634ba3b1eb95
permissions -rw-r--r--
Mark processing SDO request as invalid if config is cleared.
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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 "e1000-2.6.35-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-k6-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 DEFINE_PCI_DEVICE_TABLE(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 netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
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				    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 bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static bool e1000_clean_jumbo_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 void e1000_alloc_jumbo_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_get_hw_dev - return device
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 * used by hardware layer to print debugging information
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 *
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 **/
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struct net_device *e1000_get_hw_dev(struct e1000_hw *hw)
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{
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	struct e1000_adapter *adapter = hw->back;
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	return adapter->netdev;
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}
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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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	pr_info("%s - version %s\n", e1000_driver_string, e1000_driver_version);
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	pr_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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			pr_info("copybreak disabled\n");
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		else
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			pr_info("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 net_device *netdev = adapter->netdev;
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	irq_handler_t handler = e1000_intr;
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	int irq_flags = IRQF_SHARED;
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	int err;
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	if (adapter->ecdev)
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		return 0;
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	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
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	                  netdev);
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	if (err) {
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		e_err("Unable to allocate interrupt Error: %d\n", err);
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	}
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	return err;
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}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	if (adapter->ecdev)
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		return;
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	free_irq(adapter->pdev->irq, netdev);
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}
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/**
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 * e1000_irq_disable - Mask off interrupt generation on the NIC
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 * @adapter: board private structure
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 **/
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static void e1000_irq_disable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->ecdev)
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		return;
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	ew32(IMC, ~0);
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	E1000_WRITE_FLUSH();
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	synchronize_irq(adapter->pdev->irq);
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}
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/**
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 * e1000_irq_enable - Enable default interrupt generation settings
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 * @adapter: board private structure
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 **/
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static void e1000_irq_enable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	if (adapter->ecdev)
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		return;
2421
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   329
2287
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	ew32(IMS, IMS_ENABLE_MASK);
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	E1000_WRITE_FLUSH();
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}
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static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	struct net_device *netdev = adapter->netdev;
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	u16 vid = hw->mng_cookie.vlan_id;
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	u16 old_vid = adapter->mng_vlan_id;
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   340
	if (adapter->vlgrp) {
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   341
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
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   342
			if (hw->mng_cookie.status &
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				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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				e1000_vlan_rx_add_vid(netdev, vid);
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				adapter->mng_vlan_id = vid;
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   346
			} else
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				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   348
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			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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					(vid != old_vid) &&
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			    !vlan_group_get_device(adapter->vlgrp, old_vid))
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   352
				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   353
		} else
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   354
			adapter->mng_vlan_id = vid;
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   355
	}
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   356
}
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   357
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static void e1000_init_manageability(struct e1000_adapter *adapter)
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   359
{
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   360
	struct e1000_hw *hw = &adapter->hw;
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   361
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   362
	if (adapter->en_mng_pt) {
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   363
		u32 manc = er32(MANC);
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   364
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   365
		/* disable hardware interception of ARP */
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   366
		manc &= ~(E1000_MANC_ARP_EN);
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   367
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   368
		ew32(MANC, manc);
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   369
	}
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   370
}
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   371
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   372
static void e1000_release_manageability(struct e1000_adapter *adapter)
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   373
{
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   374
	struct e1000_hw *hw = &adapter->hw;
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   375
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   376
	if (adapter->en_mng_pt) {
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   377
		u32 manc = er32(MANC);
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   378
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   379
		/* re-enable hardware interception of ARP */
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   380
		manc |= E1000_MANC_ARP_EN;
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   381
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   382
		ew32(MANC, manc);
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parents:
diff changeset
   383
	}
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   384
}
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   385
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   386
/**
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   387
 * e1000_configure - configure the hardware for RX and TX
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   388
 * @adapter = private board structure
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   389
 **/
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   390
static void e1000_configure(struct e1000_adapter *adapter)
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   391
{
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   392
	struct net_device *netdev = adapter->netdev;
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parents:
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   393
	int i;
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   394
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   395
	e1000_set_rx_mode(netdev);
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parents:
diff changeset
   396
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parents:
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   397
	e1000_restore_vlan(adapter);
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parents:
diff changeset
   398
	e1000_init_manageability(adapter);
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   399
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   400
	e1000_configure_tx(adapter);
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parents:
diff changeset
   401
	e1000_setup_rctl(adapter);
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	e1000_configure_rx(adapter);
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
	/* call E1000_DESC_UNUSED which always leaves
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	 * at least 1 descriptor unused to make sure
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	 * next_to_use != next_to_clean */
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	for (i = 0; i < adapter->num_rx_queues; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
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parents:
diff changeset
   408
		if (adapter->ecdev) {
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
			/* fill rx ring completely! */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
			adapter->alloc_rx_buf(adapter, ring, ring->count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
			/* this one leaves the last ring element unallocated! */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
			adapter->alloc_rx_buf(adapter, ring,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
					E1000_DESC_UNUSED(ring));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
int e1000_up(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	/* hardware has been reset, we need to reload some things */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	e1000_configure(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	clear_bit(__E1000_DOWN, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		napi_enable(&adapter->napi);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		e1000_irq_enable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		netif_wake_queue(adapter->netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		/* fire a link change interrupt to start the watchdog */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		ew32(ICS, E1000_ICS_LSC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
 * e1000_power_up_phy - restore link in case the phy was powered down
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 * @adapter: address of board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
 * The phy may be powered down to save power and turn off link when the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
 * driver is unloaded and wake on lan is not enabled (among others)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
 * *** this routine MUST be followed by a call to e1000_reset ***
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
void e1000_power_up_phy(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	u16 mii_reg = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	/* Just clear the power down bit to wake the phy back up */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	if (hw->media_type == e1000_media_type_copper) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		/* according to the manual, the phy will retain its
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		 * settings across a power-down/up cycle */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		mii_reg &= ~MII_CR_POWER_DOWN;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
static void e1000_power_down_phy(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	/* Power down the PHY so no link is implied when interface is down *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	 * The PHY cannot be powered down if any of the following is true *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	 * (a) WoL is enabled
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	 * (b) AMT is active
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	 * (c) SoL/IDER session is active */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	   hw->media_type == e1000_media_type_copper) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		u16 mii_reg = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		case e1000_82540:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		case e1000_82545:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		case e1000_82545_rev_3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		case e1000_82546:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		case e1000_82546_rev_3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		case e1000_82541:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		case e1000_82541_rev_2:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		case e1000_82547:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		case e1000_82547_rev_2:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
				goto out;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
			goto out;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		mii_reg |= MII_CR_POWER_DOWN;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		mdelay(1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
out:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
void e1000_down(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	u32 rctl, tctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	/* signal that we're down so the interrupt handler does not
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	 * reschedule our watchdog timer */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	set_bit(__E1000_DOWN, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	/* disable receives in the hardware */	
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		/* flush and sleep below */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		netif_tx_disable(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	/* disable transmits in the hardware */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	tctl = er32(TCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	tctl &= ~E1000_TCTL_EN;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	ew32(TCTL, tctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	/* flush both disables and wait for them to finish */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	msleep(10);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		napi_disable(&adapter->napi);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
		e1000_irq_disable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		del_timer_sync(&adapter->tx_fifo_stall_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		del_timer_sync(&adapter->watchdog_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
		del_timer_sync(&adapter->phy_info_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	adapter->link_speed = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	adapter->link_duplex = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		netif_carrier_off(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	e1000_clean_all_tx_rings(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	e1000_clean_all_rx_rings(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
void e1000_reinit_locked(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	WARN_ON(in_interrupt());
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		msleep(1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	e1000_down(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	e1000_up(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	clear_bit(__E1000_RESETTING, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
void e1000_reset(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	bool legacy_pba_adjust = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	u16 hwm;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	/* Repartition Pba for greater than 9k mtu
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	 * To take effect CTRL.RST is required.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	case e1000_82542_rev2_0:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	case e1000_82542_rev2_1:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	case e1000_82543:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	case e1000_82544:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	case e1000_82540:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	case e1000_82541:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	case e1000_82541_rev_2:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		legacy_pba_adjust = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		pba = E1000_PBA_48K;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	case e1000_82545:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	case e1000_82545_rev_3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	case e1000_82546:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	case e1000_82546_rev_3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		pba = E1000_PBA_48K;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	case e1000_82547:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	case e1000_82547_rev_2:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		legacy_pba_adjust = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		pba = E1000_PBA_30K;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	case e1000_undefined:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	case e1000_num_macs:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	if (legacy_pba_adjust) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
			pba -= 8; /* allocate more FIFO for Tx */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		if (hw->mac_type == e1000_82547) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			adapter->tx_fifo_head = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
			adapter->tx_fifo_size =
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
			atomic_set(&adapter->tx_fifo_stall, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		/* adjust PBA for jumbo frames */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		ew32(PBA, pba);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		/* To maintain wire speed transmits, the Tx FIFO should be
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		 * large enough to accommodate two full transmit packets,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		 * the Rx FIFO should be large enough to accommodate at least
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
		 * one full receive packet and is similarly rounded up and
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		 * expressed in KB. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		pba = er32(PBA);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		/* upper 16 bits has Tx packet buffer allocation size in KB */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		tx_space = pba >> 16;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		/* lower 16 bits has Rx packet buffer allocation size in KB */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		pba &= 0xffff;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		 * the tx fifo also stores 16 bytes of information about the tx
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		 * but don't include ethernet FCS because hardware appends it
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		min_tx_space = (hw->max_frame_size +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		                sizeof(struct e1000_tx_desc) -
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		                ETH_FCS_LEN) * 2;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		min_tx_space = ALIGN(min_tx_space, 1024);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		min_tx_space >>= 10;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		/* software strips receive CRC, so leave room for it */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		min_rx_space = hw->max_frame_size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		min_rx_space = ALIGN(min_rx_space, 1024);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		min_rx_space >>= 10;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		/* If current Tx allocation is less than the min Tx FIFO size,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		 * and the min Tx FIFO size is less than the current Rx FIFO
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		 * allocation, take space away from current Rx allocation */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		if (tx_space < min_tx_space &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		    ((min_tx_space - tx_space) < pba)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
			pba = pba - (min_tx_space - tx_space);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			/* PCI/PCIx hardware has PBA alignment constraints */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
			switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			case e1000_82545 ... e1000_82546_rev_3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
				pba &= ~(E1000_PBA_8K - 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
			/* if short on rx space, rx wins and must trump tx
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			 * adjustment or use Early Receive if available */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
			if (pba < min_rx_space)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
				pba = min_rx_space;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	ew32(PBA, pba);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	 * flow control settings:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	 * The high water mark must be low enough to fit one full frame
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	 * (or the size used for early receive) above it in the Rx FIFO.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	 * Set it to the lower of:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	 * - 90% of the Rx FIFO size, and
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	 * - the full Rx FIFO size minus the early receive size (for parts
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	 * - the full Rx FIFO size minus one full frame
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	hwm = min(((pba << 10) * 9 / 10),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		  ((pba << 10) - hw->max_frame_size));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	hw->fc_low_water = hw->fc_high_water - 8;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	hw->fc_send_xon = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	hw->fc = hw->original_fc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	/* Allow time for pending master requests to run */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	e1000_reset_hw(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	if (hw->mac_type >= e1000_82544)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		ew32(WUC, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	if (e1000_init_hw(hw))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		e_err("Hardware Error\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	e1000_update_mng_vlan(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	if (hw->mac_type >= e1000_82544 &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	    hw->autoneg == 1 &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		u32 ctrl = er32(CTRL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		/* clear phy power management bit if we are in gig only mode,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		 * which if enabled will attempt negotiation to 100Mb, which
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		 * can cause a loss of link at power off or driver unload */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		ctrl &= ~E1000_CTRL_SWDPIN3;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		ew32(CTRL, ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	e1000_reset_adaptive(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	e1000_phy_get_info(hw, &adapter->phy_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	e1000_release_manageability(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
 *  Dump the eeprom for users having checksum issues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	struct ethtool_eeprom eeprom;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	const struct ethtool_ops *ops = netdev->ethtool_ops;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	u8 *data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	u16 csum_old, csum_new = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	eeprom.len = ops->get_eeprom_len(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	eeprom.offset = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	data = kmalloc(eeprom.len, GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	if (!data) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		pr_err("Unable to allocate memory to dump EEPROM data\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	ops->get_eeprom(netdev, &eeprom, data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		csum_new += data[i] + (data[i + 1] << 8);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	csum_new = EEPROM_SUM - csum_new;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	pr_err("/*********************/\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	pr_err("Calculated              : 0x%04x\n", csum_new);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	pr_err("Offset    Values\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	pr_err("========  ======\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	pr_err("Include this output when contacting your support provider.\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	pr_err("This is not a software error! Something bad happened to\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	pr_err("result in further problems, possibly loss of data,\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	pr_err("corruption or system hangs!\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	pr_err("which is invalid and requires you to set the proper MAC\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	pr_err("address manually before continuing to enable this network\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	pr_err("device. Please inspect the EEPROM dump and report the\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	pr_err("/*********************/\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	kfree(data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
 * @pdev: PCI device information struct
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
 * Return true if an adapter needs ioport resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
static int e1000_is_need_ioport(struct pci_dev *pdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	switch (pdev->device) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	case E1000_DEV_ID_82540EM:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	case E1000_DEV_ID_82540EM_LOM:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	case E1000_DEV_ID_82540EP:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	case E1000_DEV_ID_82540EP_LOM:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	case E1000_DEV_ID_82540EP_LP:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	case E1000_DEV_ID_82541EI:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	case E1000_DEV_ID_82541EI_MOBILE:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	case E1000_DEV_ID_82541ER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	case E1000_DEV_ID_82541ER_LOM:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	case E1000_DEV_ID_82541GI:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	case E1000_DEV_ID_82541GI_LF:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	case E1000_DEV_ID_82541GI_MOBILE:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	case E1000_DEV_ID_82544EI_COPPER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	case E1000_DEV_ID_82544EI_FIBER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	case E1000_DEV_ID_82544GC_COPPER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	case E1000_DEV_ID_82544GC_LOM:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	case E1000_DEV_ID_82545EM_COPPER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	case E1000_DEV_ID_82545EM_FIBER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	case E1000_DEV_ID_82546EB_COPPER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	case E1000_DEV_ID_82546EB_FIBER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		return true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		return false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
static const struct net_device_ops e1000_netdev_ops = {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	.ndo_open		= e1000_open,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	.ndo_stop		= e1000_close,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	.ndo_start_xmit		= e1000_xmit_frame,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	.ndo_get_stats		= e1000_get_stats,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	.ndo_set_rx_mode	= e1000_set_rx_mode,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	.ndo_set_mac_address	= e1000_set_mac,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	.ndo_tx_timeout 	= e1000_tx_timeout,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	.ndo_change_mtu		= e1000_change_mtu,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	.ndo_do_ioctl		= e1000_ioctl,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	.ndo_validate_addr	= eth_validate_addr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
#ifdef CONFIG_NET_POLL_CONTROLLER
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	.ndo_poll_controller	= e1000_netpoll,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
#endif
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
};
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
 * e1000_probe - Device Initialization Routine
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
 * @pdev: PCI device information struct
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
 * @ent: entry in e1000_pci_tbl
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
 * Returns 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
 * e1000_probe initializes an adapter identified by a pci_dev structure.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
 * The OS initialization, configuring of the adapter private structure,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
 * and a hardware reset occur.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
static int __devinit e1000_probe(struct pci_dev *pdev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
				 const struct pci_device_id *ent)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	struct net_device *netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	struct e1000_adapter *adapter;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	struct e1000_hw *hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	static int cards_found = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	int i, err, pci_using_dac;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	u16 eeprom_data = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	int bars, need_ioport;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	/* do not allocate ioport bars when not needed */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	need_ioport = e1000_is_need_ioport(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	if (need_ioport) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		err = pci_enable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		err = pci_enable_device_mem(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	    !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		pci_using_dac = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		if (err) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
			err = dma_set_coherent_mask(&pdev->dev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
						    DMA_BIT_MASK(32));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
			if (err) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
				pr_err("No usable DMA config, aborting\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
				goto err_dma;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		pci_using_dac = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		goto err_pci_reg;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	pci_set_master(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	err = pci_save_state(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		goto err_alloc_etherdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	err = -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	if (!netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		goto err_alloc_etherdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	SET_NETDEV_DEV(netdev, &pdev->dev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	pci_set_drvdata(pdev, netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	adapter->netdev = netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	adapter->pdev = pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	adapter->msg_enable = (1 << debug) - 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	adapter->bars = bars;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	adapter->need_ioport = need_ioport;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	hw->back = adapter;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	err = -EIO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	if (!hw->hw_addr)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		goto err_ioremap;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	if (adapter->need_ioport) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		for (i = BAR_1; i <= BAR_5; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
			if (pci_resource_len(pdev, i) == 0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
				continue;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
				hw->io_base = pci_resource_start(pdev, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	netdev->netdev_ops = &e1000_netdev_ops;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	e1000_set_ethtool_ops(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	netdev->watchdog_timeo = 5 * HZ;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	adapter->bd_number = cards_found;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	/* setup the private structure */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	err = e1000_sw_init(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		goto err_sw_init;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	err = -EIO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	if (hw->mac_type >= e1000_82543) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
		netdev->features = NETIF_F_SG |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
				   NETIF_F_HW_CSUM |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
				   NETIF_F_HW_VLAN_TX |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
				   NETIF_F_HW_VLAN_RX |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
				   NETIF_F_HW_VLAN_FILTER;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	if ((hw->mac_type >= e1000_82544) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	   (hw->mac_type != e1000_82547))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		netdev->features |= NETIF_F_TSO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	if (pci_using_dac)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		netdev->features |= NETIF_F_HIGHDMA;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	netdev->vlan_features |= NETIF_F_TSO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	netdev->vlan_features |= NETIF_F_HW_CSUM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	netdev->vlan_features |= NETIF_F_SG;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	/* initialize eeprom parameters */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	if (e1000_init_eeprom_params(hw)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		e_err("EEPROM initialization failed\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		goto err_eeprom;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	/* before reading the EEPROM, reset the controller to
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	 * put the device in a known good starting state */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	e1000_reset_hw(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	/* make sure the EEPROM is good */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	if (e1000_validate_eeprom_checksum(hw) < 0) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		e_err("The EEPROM Checksum Is Not Valid\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		e1000_dump_eeprom(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		 * set MAC address to all zeroes to invalidate and temporary
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		 * disable this device for the user. This blocks regular
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		 * traffic while still permitting ethtool ioctls from reaching
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		 * the hardware as well as allowing the user to run the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		 * interface after manually setting a hw addr using
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		 * `ip set address`
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		memset(hw->mac_addr, 0, netdev->addr_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		/* copy the MAC address out of the EEPROM */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		if (e1000_read_mac_addr(hw))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
			e_err("EEPROM Read Error\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	/* don't block initalization here due to bad MAC address */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	if (!is_valid_ether_addr(netdev->perm_addr))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		e_err("Invalid MAC Address\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	e1000_get_bus_info(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	init_timer(&adapter->tx_fifo_stall_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	init_timer(&adapter->watchdog_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	adapter->watchdog_timer.function = &e1000_watchdog;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	adapter->watchdog_timer.data = (unsigned long) adapter;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	init_timer(&adapter->phy_info_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	adapter->phy_info_timer.function = &e1000_update_phy_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	adapter->phy_info_timer.data = (unsigned long)adapter;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	e1000_check_options(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	/* Initial Wake on LAN setting
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	 * If APM wake is enabled in the EEPROM,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	 * enable the ACPI Magic Packet filter
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	case e1000_82542_rev2_0:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	case e1000_82542_rev2_1:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	case e1000_82543:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	case e1000_82544:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		e1000_read_eeprom(hw,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	case e1000_82546:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	case e1000_82546_rev_3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
			e1000_read_eeprom(hw,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		/* Fall Through */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		e1000_read_eeprom(hw,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	if (eeprom_data & eeprom_apme_mask)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		adapter->eeprom_wol |= E1000_WUFC_MAG;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	/* now that we have the eeprom settings, apply the special cases
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	 * where the eeprom may be wrong or the board simply won't support
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	 * wake on lan on a particular port */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	switch (pdev->device) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	case E1000_DEV_ID_82546GB_PCIE:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		adapter->eeprom_wol = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	case E1000_DEV_ID_82546EB_FIBER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	case E1000_DEV_ID_82546GB_FIBER:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		/* Wake events only supported on port A for dual fiber
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		 * regardless of eeprom setting */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
			adapter->eeprom_wol = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		/* if quad port adapter, disable WoL on all but port A */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		if (global_quad_port_a != 0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
			adapter->eeprom_wol = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
			adapter->quad_port_a = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		/* Reset for multiple quad port adapters */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		if (++global_quad_port_a == 4)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
			global_quad_port_a = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	/* initialize the wol settings based on the eeprom settings */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	adapter->wol = adapter->eeprom_wol;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	/* reset the hardware with the new settings */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	// offer device to EtherCAT master module
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		if (ecdev_open(adapter->ecdev)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
			ecdev_withdraw(adapter->ecdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
			goto err_register;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		strcpy(netdev->name, "eth%d");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		err = register_netdev(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
		if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
			goto err_register;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	/* print bus type/speed/width info */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	e_info("(PCI%s:%dMHz:%d-bit) %pM\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	       netdev->dev_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		/* carrier off reporting is important to ethtool even BEFORE open */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		netif_carrier_off(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	e_info("Intel(R) PRO/1000 Network Connection\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	cards_found++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
err_register:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
err_eeprom:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	e1000_phy_hw_reset(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	if (hw->flash_address)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		iounmap(hw->flash_address);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	kfree(adapter->tx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	kfree(adapter->rx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
err_sw_init:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	iounmap(hw->hw_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
err_ioremap:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	free_netdev(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
err_alloc_etherdev:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	pci_release_selected_regions(pdev, bars);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
err_pci_reg:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
err_dma:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	pci_disable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
 * e1000_remove - Device Removal Routine
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
 * @pdev: PCI device information struct
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
 * e1000_remove is called by the PCI subsystem to alert the driver
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
 * that it should release a PCI device.  The could be caused by a
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
 * Hot-Plug event, or because the driver is going to be removed from
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
 * memory.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
static void __devexit e1000_remove(struct pci_dev *pdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	struct net_device *netdev = pci_get_drvdata(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	set_bit(__E1000_DOWN, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		del_timer_sync(&adapter->tx_fifo_stall_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		del_timer_sync(&adapter->watchdog_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		del_timer_sync(&adapter->phy_info_timer);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	cancel_work_sync(&adapter->reset_task);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	e1000_release_manageability(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		ecdev_close(adapter->ecdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		ecdev_withdraw(adapter->ecdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		unregister_netdev(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	e1000_phy_hw_reset(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	kfree(adapter->tx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	kfree(adapter->rx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	iounmap(hw->hw_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	if (hw->flash_address)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		iounmap(hw->flash_address);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	pci_release_selected_regions(pdev, adapter->bars);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	free_netdev(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	pci_disable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
 * @adapter: board private structure to initialize
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
 * e1000_sw_init initializes the Adapter private data structure.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
 * Fields are initialized based on PCI device information and
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
 * OS network device settings (MTU size).
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	/* PCI config space info */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	hw->vendor_id = pdev->vendor;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	hw->device_id = pdev->device;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	hw->subsystem_id = pdev->subsystem_device;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	hw->revision_id = pdev->revision;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	hw->max_frame_size = netdev->mtu +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	/* identify the MAC */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	if (e1000_set_mac_type(hw)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		e_err("Unknown MAC Type\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		return -EIO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	case e1000_82541:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	case e1000_82547:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	case e1000_82541_rev_2:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	case e1000_82547_rev_2:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		hw->phy_init_script = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	e1000_set_media_type(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	hw->wait_autoneg_complete = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	hw->tbi_compatibility_en = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	hw->adaptive_ifs = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	/* Copper options */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	if (hw->media_type == e1000_media_type_copper) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		hw->mdix = AUTO_ALL_MODES;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		hw->disable_polarity_correction = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		hw->master_slave = E1000_MASTER_SLAVE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	adapter->num_tx_queues = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	adapter->num_rx_queues = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	if (e1000_alloc_queues(adapter)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		e_err("Unable to allocate memory for queues\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	/* Explicitly disable IRQ since the NIC can be in any state. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	e1000_irq_disable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	spin_lock_init(&adapter->stats_lock);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	set_bit(__E1000_DOWN, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 * e1000_alloc_queues - Allocate memory for all rings
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 * @adapter: board private structure to initialize
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 * We allocate one ring per queue at run-time since we don't know the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * number of queues at compile-time.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	if (!adapter->tx_ring)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	if (!adapter->rx_ring) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		kfree(adapter->tx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	return E1000_SUCCESS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
 * e1000_open - Called when a network interface is made active
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
 * Returns 0 on success, negative value on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
 * The open entry point is called when a network interface is made
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
 * active by the system (IFF_UP).  At this point all resources needed
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
 * for transmit and receive operations are allocated, the interrupt
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 * handler is registered with the OS, the watchdog timer is started,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 * and the stack is notified that the interface is ready.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
static int e1000_open(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	int err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	/* disallow open during test */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	if (test_bit(__E1000_TESTING, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		return -EBUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	netif_carrier_off(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	/* allocate transmit descriptors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	err = e1000_setup_all_tx_resources(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
		goto err_setup_tx;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	/* allocate receive descriptors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	err = e1000_setup_all_rx_resources(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		goto err_setup_rx;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	e1000_power_up_phy(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	if ((hw->mng_cookie.status &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		e1000_update_mng_vlan(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	/* before we allocate an interrupt, we must be ready to handle it.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	 * as soon as we call pci_request_irq, so we have to setup our
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	 * clean_rx handler before we do so.  */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	e1000_configure(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	err = e1000_request_irq(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		goto err_req_irq;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	/* From here on the code is the same as e1000_up() */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	clear_bit(__E1000_DOWN, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	napi_enable(&adapter->napi);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	e1000_irq_enable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	netif_start_queue(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	/* fire a link status change interrupt to start the watchdog */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	ew32(ICS, E1000_ICS_LSC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	return E1000_SUCCESS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
err_req_irq:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	e1000_power_down_phy(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	e1000_free_all_rx_resources(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
err_setup_rx:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	e1000_free_all_tx_resources(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
err_setup_tx:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
 * e1000_close - Disables a network interface
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
 * Returns 0, this is not allowed to fail
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
 * The close entry point is called when an interface is de-activated
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
 * by the OS.  The hardware is still under the drivers control, but
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
 * needs to be disabled.  A global MAC reset is issued to stop the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
 * hardware, and all transmit and receive resources are freed.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
static int e1000_close(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	e1000_down(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	e1000_power_down_phy(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	e1000_free_irq(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	e1000_free_all_tx_resources(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	e1000_free_all_rx_resources(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	/* kill manageability vlan ID if supported, but not if a vlan with
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	 * the same ID is registered on the host OS (let 8021q kill it) */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if ((hw->mng_cookie.status &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	     !(adapter->vlgrp &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 * @adapter: address of board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
 * @start: address of beginning of memory
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
 * @len: length of memory
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
				  unsigned long len)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	unsigned long begin = (unsigned long)start;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	unsigned long end = begin + len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	/* First rev 82545 and 82546 need to not allow any memory
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	 * write location to cross 64k boundary due to errata 23 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	if (hw->mac_type == e1000_82545 ||
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	    hw->mac_type == e1000_82546) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	return true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
 * @txdr:    tx descriptor ring (for a specific queue) to setup
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
 * Return 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
				    struct e1000_tx_ring *txdr)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	int size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	size = sizeof(struct e1000_buffer) * txdr->count;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	txdr->buffer_info = vmalloc(size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	if (!txdr->buffer_info) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		e_err("Unable to allocate memory for the Tx descriptor ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	memset(txdr->buffer_info, 0, size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	/* round up to nearest 4K */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	txdr->size = ALIGN(txdr->size, 4096);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
					GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	if (!txdr->desc) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
setup_tx_desc_die:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
		vfree(txdr->buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		e_err("Unable to allocate memory for the Tx descriptor ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	/* Fix for errata 23, can't cross 64kB boundary */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		void *olddesc = txdr->desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		dma_addr_t olddma = txdr->dma;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		e_err("txdr align check failed: %u bytes at %p\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		      txdr->size, txdr->desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		/* Try again, without freeing the previous */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
						&txdr->dma, GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		/* Failed allocation, critical failure */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		if (!txdr->desc) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
					  olddma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
			goto setup_tx_desc_die;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
			/* give up */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
					  txdr->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
					  olddma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
			e_err("Unable to allocate aligned memory "
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
			      "for the transmit descriptor ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
			vfree(txdr->buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
			return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
			/* Free old allocation, new allocation was successful */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
					  olddma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	memset(txdr->desc, 0, txdr->size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	txdr->next_to_use = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	txdr->next_to_clean = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 * 				  (Descriptors) for all queues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
 * Return 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	int i, err = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	for (i = 0; i < adapter->num_tx_queues; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		if (err) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			e_err("Allocation for Tx Queue %u failed\n", i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			for (i-- ; i >= 0; i--)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
				e1000_free_tx_resources(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
							&adapter->tx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 * Configure the Tx unit of the MAC after a reset.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
static void e1000_configure_tx(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	u64 tdba;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	u32 tdlen, tctl, tipg;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	u32 ipgr1, ipgr2;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	/* Setup the HW Tx Head and Tail descriptor pointers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	switch (adapter->num_tx_queues) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	case 1:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		tdba = adapter->tx_ring[0].dma;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		tdlen = adapter->tx_ring[0].count *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
			sizeof(struct e1000_tx_desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		ew32(TDLEN, tdlen);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		ew32(TDBAH, (tdba >> 32));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		ew32(TDT, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		ew32(TDH, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	/* Set the default values for the Tx Inter Packet Gap timer */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	if ((hw->media_type == e1000_media_type_fiber ||
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	     hw->media_type == e1000_media_type_internal_serdes))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	case e1000_82542_rev2_0:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	case e1000_82542_rev2_1:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		tipg = DEFAULT_82542_TIPG_IPGT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	ew32(TIPG, tipg);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	/* Set the Tx Interrupt Delay register */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	ew32(TIDV, adapter->tx_int_delay);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	if (hw->mac_type >= e1000_82540)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		ew32(TADV, adapter->tx_abs_int_delay);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	/* Program the Transmit Control Register */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	tctl = er32(TCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	tctl &= ~E1000_TCTL_CT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	e1000_config_collision_dist(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	/* Setup Transmit Descriptor Settings for eop descriptor */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	/* only set IDE if we are delaying interrupts using the timers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	if (adapter->tx_int_delay)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	if (hw->mac_type < e1000_82543)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	/* Cache if we're 82544 running in PCI-X because we'll
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	 * need this to apply a workaround later in the send path. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	if (hw->mac_type == e1000_82544 &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	    hw->bus_type == e1000_bus_type_pcix)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		adapter->pcix_82544 = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	ew32(TCTL, tctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
 * Returns 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
				    struct e1000_rx_ring *rxdr)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	int size, desc_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	size = sizeof(struct e1000_buffer) * rxdr->count;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	rxdr->buffer_info = vmalloc(size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	if (!rxdr->buffer_info) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		e_err("Unable to allocate memory for the Rx descriptor ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	memset(rxdr->buffer_info, 0, size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	desc_len = sizeof(struct e1000_rx_desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	/* Round up to nearest 4K */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	rxdr->size = rxdr->count * desc_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	rxdr->size = ALIGN(rxdr->size, 4096);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
					GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	if (!rxdr->desc) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		e_err("Unable to allocate memory for the Rx descriptor ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
setup_rx_desc_die:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		vfree(rxdr->buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		return -ENOMEM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	/* Fix for errata 23, can't cross 64kB boundary */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		void *olddesc = rxdr->desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		dma_addr_t olddma = rxdr->dma;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		e_err("rxdr align check failed: %u bytes at %p\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		      rxdr->size, rxdr->desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		/* Try again, without freeing the previous */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
						&rxdr->dma, GFP_KERNEL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
		/* Failed allocation, critical failure */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		if (!rxdr->desc) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
					  olddma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
			e_err("Unable to allocate memory for the Rx descriptor "
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
			      "ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			goto setup_rx_desc_die;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
			/* give up */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
					  rxdr->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
					  olddma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
			e_err("Unable to allocate aligned memory for the Rx "
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
			      "descriptor ring\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			goto setup_rx_desc_die;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
			/* Free old allocation, new allocation was successful */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
					  olddma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	memset(rxdr->desc, 0, rxdr->size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	rxdr->next_to_clean = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	rxdr->next_to_use = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	rxdr->rx_skb_top = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
 * 				  (Descriptors) for all queues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
 * Return 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	int i, err = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	for (i = 0; i < adapter->num_rx_queues; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		if (err) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
			e_err("Allocation for Rx Queue %u failed\n", i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
			for (i-- ; i >= 0; i--)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
				e1000_free_rx_resources(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
							&adapter->rx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
 * e1000_setup_rctl - configure the receive control registers
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
 * @adapter: Board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
static void e1000_setup_rctl(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	u32 rctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	if (hw->tbi_compatibility_on == 1)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		rctl |= E1000_RCTL_SBP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		rctl &= ~E1000_RCTL_SBP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		rctl &= ~E1000_RCTL_LPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		rctl |= E1000_RCTL_LPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	/* Setup buffer sizes */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	rctl &= ~E1000_RCTL_SZ_4096;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	rctl |= E1000_RCTL_BSEX;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	switch (adapter->rx_buffer_len) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		case E1000_RXBUFFER_2048:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			rctl |= E1000_RCTL_SZ_2048;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
			rctl &= ~E1000_RCTL_BSEX;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		case E1000_RXBUFFER_4096:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			rctl |= E1000_RCTL_SZ_4096;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		case E1000_RXBUFFER_8192:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
			rctl |= E1000_RCTL_SZ_8192;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		case E1000_RXBUFFER_16384:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
			rctl |= E1000_RCTL_SZ_16384;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
 * Configure the Rx unit of the MAC after a reset.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
static void e1000_configure_rx(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	u64 rdba;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	u32 rdlen, rctl, rxcsum;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		rdlen = adapter->rx_ring[0].count *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		        sizeof(struct e1000_rx_desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		rdlen = adapter->rx_ring[0].count *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		        sizeof(struct e1000_rx_desc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		adapter->clean_rx = e1000_clean_rx_irq;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	/* disable receives while setting up the descriptors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	/* set the Receive Delay Timer Register */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	ew32(RDTR, adapter->rx_int_delay);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	if (hw->mac_type >= e1000_82540) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		ew32(RADV, adapter->rx_abs_int_delay);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		if (adapter->itr_setting != 0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
			ew32(ITR, 1000000000 / (adapter->itr * 256));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	 * the Base and Length of the Rx Descriptor Ring */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	switch (adapter->num_rx_queues) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	case 1:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		rdba = adapter->rx_ring[0].dma;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		ew32(RDLEN, rdlen);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		ew32(RDBAH, (rdba >> 32));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
		ew32(RDT, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
		ew32(RDH, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	if (hw->mac_type >= e1000_82543) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		rxcsum = er32(RXCSUM);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		if (adapter->rx_csum)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
			rxcsum |= E1000_RXCSUM_TUOFL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
			/* don't need to clear IPPCSE as it defaults to 0 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
			rxcsum &= ~E1000_RXCSUM_TUOFL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		ew32(RXCSUM, rxcsum);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	/* Enable Receives */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
 * e1000_free_tx_resources - Free Tx Resources per Queue
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 * @tx_ring: Tx descriptor ring for a specific queue
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
 * Free all transmit software resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
				    struct e1000_tx_ring *tx_ring)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	e1000_clean_tx_ring(adapter, tx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	vfree(tx_ring->buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	tx_ring->buffer_info = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
			  tx_ring->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	tx_ring->desc = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
 * Free all transmit software resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	for (i = 0; i < adapter->num_tx_queues; i++)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
					     struct e1000_buffer *buffer_info)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	if (adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	if (buffer_info->dma) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		if (buffer_info->mapped_as_page)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
				       buffer_info->length, DMA_TO_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
					 buffer_info->length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
					 DMA_TO_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	if (buffer_info->skb) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		dev_kfree_skb_any(buffer_info->skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		buffer_info->skb = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	buffer_info->time_stamp = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	/* buffer_info must be completely set up in the transmit path */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 * e1000_clean_tx_ring - Free Tx Buffers
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 * @tx_ring: ring to be cleaned
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
				struct e1000_tx_ring *tx_ring)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	unsigned long size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	/* Free all the Tx ring sk_buffs */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	for (i = 0; i < tx_ring->count; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	size = sizeof(struct e1000_buffer) * tx_ring->count;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	memset(tx_ring->buffer_info, 0, size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	/* Zero out the descriptor ring */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	memset(tx_ring->desc, 0, tx_ring->size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	tx_ring->next_to_use = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	tx_ring->next_to_clean = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	tx_ring->last_tx_tso = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	writel(0, hw->hw_addr + tx_ring->tdh);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	writel(0, hw->hw_addr + tx_ring->tdt);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	for (i = 0; i < adapter->num_tx_queues; i++)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
 * e1000_free_rx_resources - Free Rx Resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
 * @rx_ring: ring to clean the resources from
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
 * Free all receive software resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
				    struct e1000_rx_ring *rx_ring)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	e1000_clean_rx_ring(adapter, rx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	vfree(rx_ring->buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	rx_ring->buffer_info = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			  rx_ring->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	rx_ring->desc = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
 * Free all receive software resources
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	for (i = 0; i < adapter->num_rx_queues; i++)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 * @rx_ring: ring to free buffers from
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
				struct e1000_rx_ring *rx_ring)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	unsigned long size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	/* Free all the Rx ring sk_buffs */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	for (i = 0; i < rx_ring->count; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		if (buffer_info->dma &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		    adapter->clean_rx == e1000_clean_rx_irq) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
			dma_unmap_single(&pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
			                 buffer_info->length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
					 DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		} else if (buffer_info->dma &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
			dma_unmap_page(&pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
				       buffer_info->length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
				       DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		if (buffer_info->page) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
			put_page(buffer_info->page);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			buffer_info->page = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		if (buffer_info->skb) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
			dev_kfree_skb(buffer_info->skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
			buffer_info->skb = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	/* there also may be some cached data from a chained receive */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	if (rx_ring->rx_skb_top) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		dev_kfree_skb(rx_ring->rx_skb_top);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		rx_ring->rx_skb_top = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	size = sizeof(struct e1000_buffer) * rx_ring->count;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	memset(rx_ring->buffer_info, 0, size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	/* Zero out the descriptor ring */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	memset(rx_ring->desc, 0, rx_ring->size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	rx_ring->next_to_clean = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	rx_ring->next_to_use = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	writel(0, hw->hw_addr + rx_ring->rdh);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	writel(0, hw->hw_addr + rx_ring->rdt);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	for (i = 0; i < adapter->num_rx_queues; i++)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 * and memory write and invalidate disabled for certain operations
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	u32 rctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	e1000_pci_clear_mwi(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	rctl |= E1000_RCTL_RST;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	mdelay(5);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	if (!adapter->ecdev && netif_running(netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		e1000_clean_all_rx_rings(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	u32 rctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	rctl &= ~E1000_RCTL_RST;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	mdelay(5);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		e1000_pci_set_mwi(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	if (!adapter->netdev && netif_running(netdev)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
		/* No need to loop, because 82542 supports only 1 queue */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		e1000_configure_rx(adapter);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2288
diff changeset
  2107
		if (adapter->ecdev) {
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			/* fill rx ring completely! */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
			adapter->alloc_rx_buf(adapter, ring, ring->count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
			/* this one leaves the last ring element unallocated! */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
 * e1000_set_mac - Change the Ethernet Address of the NIC
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
 * @p: pointer to an address structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
 * Returns 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
static int e1000_set_mac(struct net_device *netdev, void *p)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	struct sockaddr *addr = p;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	if (!is_valid_ether_addr(addr->sa_data))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		return -EADDRNOTAVAIL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	/* 82542 2.0 needs to be in reset to write receive address registers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	if (hw->mac_type == e1000_82542_rev2_0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
		e1000_enter_82542_rst(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	e1000_rar_set(hw, hw->mac_addr, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	if (hw->mac_type == e1000_82542_rev2_0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
		e1000_leave_82542_rst(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 * The set_rx_mode entry point is called whenever the unicast or multicast
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
 * address lists or the network interface flags are updated. This routine is
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
 * responsible for configuring the hardware for proper unicast, multicast,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
 * promiscuous mode, and all-multi behavior.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
static void e1000_set_rx_mode(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	struct netdev_hw_addr *ha;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	bool use_uc = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	u32 rctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	u32 hash_value;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	int i, rar_entries = E1000_RAR_ENTRIES;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	if (!mcarray) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		e_err("memory allocation failed\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	/* Check for Promiscuous and All Multicast modes */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	if (netdev->flags & IFF_PROMISC) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
		rctl &= ~E1000_RCTL_VFE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		if (netdev->flags & IFF_ALLMULTI)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
			rctl |= E1000_RCTL_MPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
			rctl &= ~E1000_RCTL_MPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
		/* Enable VLAN filter if there is a VLAN */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
		if (adapter->vlgrp)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
			rctl |= E1000_RCTL_VFE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	if (netdev_uc_count(netdev) > rar_entries - 1) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
		rctl |= E1000_RCTL_UPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	} else if (!(netdev->flags & IFF_PROMISC)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		rctl &= ~E1000_RCTL_UPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		use_uc = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	/* 82542 2.0 needs to be in reset to write receive address registers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	if (hw->mac_type == e1000_82542_rev2_0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		e1000_enter_82542_rst(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	/* load the first 14 addresses into the exact filters 1-14. Unicast
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	 * addresses take precedence to avoid disabling unicast filtering
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	 * when possible.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	 * RAR 0 is used for the station MAC adddress
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	 * if there are not 14 addresses, go ahead and clear the filters
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	i = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	if (use_uc)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
		netdev_for_each_uc_addr(ha, netdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
			if (i == rar_entries)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
			e1000_rar_set(hw, ha->addr, i++);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	netdev_for_each_mc_addr(ha, netdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
		if (i == rar_entries) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
			/* load any remaining addresses into the hash table */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
			u32 hash_reg, hash_bit, mta;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
			hash_reg = (hash_value >> 5) & 0x7F;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
			hash_bit = hash_value & 0x1F;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
			mta = (1 << hash_bit);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
			mcarray[hash_reg] |= mta;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
			e1000_rar_set(hw, ha->addr, i++);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	for (; i < rar_entries; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	/* write the hash table completely, write from bottom to avoid
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	 * both stupid write combining chipsets, and flushing each write */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
		 * If we are on an 82544 has an errata where writing odd
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
		 * offsets overwrites the previous even offset, but writing
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
		 * backwards over the range solves the issue by always
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		 * writing the odd offset first
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	if (hw->mac_type == e1000_82542_rev2_0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		e1000_leave_82542_rst(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	kfree(mcarray);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
/* Need to wait a few seconds after link up to get diagnostic information from
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
 * the phy */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
static void e1000_update_phy_info(unsigned long data)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	e1000_phy_get_info(hw, &adapter->phy_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 * e1000_82547_tx_fifo_stall - Timer Call-back
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 * @data: pointer to adapter cast into an unsigned long
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
static void e1000_82547_tx_fifo_stall(unsigned long data)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	u32 tctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	if (atomic_read(&adapter->tx_fifo_stall)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		if ((er32(TDT) == er32(TDH)) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
		   (er32(TDFT) == er32(TDFH)) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		   (er32(TDFTS) == er32(TDFHS))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
			tctl = er32(TCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
			ew32(TDFT, adapter->tx_head_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
			ew32(TDFH, adapter->tx_head_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
			ew32(TDFTS, adapter->tx_head_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
			ew32(TDFHS, adapter->tx_head_addr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
			ew32(TCTL, tctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
			E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
			adapter->tx_fifo_head = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
			atomic_set(&adapter->tx_fifo_stall, 0);
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  2301
			if (!adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  2302
				netif_wake_queue(netdev);
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2288
diff changeset
  2304
			if (!adapter->ecdev)
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
bool e1000_has_link(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	bool link_active = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	/* get_link_status is set on LSC (link status) interrupt or
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	 * rx sequence error interrupt.  get_link_status will stay
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	 * false until the e1000_check_for_link establishes link
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	 * for copper adapters ONLY
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	switch (hw->media_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	case e1000_media_type_copper:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		if (hw->get_link_status) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			e1000_check_for_link(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
			link_active = !hw->get_link_status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			link_active = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	case e1000_media_type_fiber:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		e1000_check_for_link(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	case e1000_media_type_internal_serdes:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		e1000_check_for_link(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		link_active = hw->serdes_has_link;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	return link_active;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
 * e1000_watchdog - Timer Call-back
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
 * @data: pointer to adapter cast into an unsigned long
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
static void e1000_watchdog(unsigned long data)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	struct e1000_tx_ring *txdr = adapter->tx_ring;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	u32 link, tctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	link = e1000_has_link(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		goto link_up;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	if (link) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
			u32 ctrl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
			bool txb2b __attribute__ ((unused)) = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
			/* update snapshot of PHY registers on LSC */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
			e1000_get_speed_and_duplex(hw,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
			                           &adapter->link_speed,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			                           &adapter->link_duplex);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			ctrl = er32(CTRL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			pr_info("%s NIC Link is Up %d Mbps %s, "
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
				"Flow Control: %s\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
				netdev->name,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
				adapter->link_speed,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
				adapter->link_duplex == FULL_DUPLEX ?
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
				"Full Duplex" : "Half Duplex",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
				E1000_CTRL_TFCE) ? "TX" : "None")));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
			/* adjust timeout factor according to speed/duplex */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			adapter->tx_timeout_factor = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			switch (adapter->link_speed) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			case SPEED_10:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
				txb2b = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
				adapter->tx_timeout_factor = 16;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
			case SPEED_100:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
				txb2b = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
				/* maybe add some timeout factor ? */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			/* enable transmits in the hardware */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
			tctl = er32(TCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
			tctl |= E1000_TCTL_EN;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
			ew32(TCTL, tctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
			if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
				ecdev_set_link(adapter->ecdev, 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
			} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
				netif_carrier_on(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
				if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
					mod_timer(&adapter->phy_info_timer,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
							round_jiffies(jiffies + 2 * HZ));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			adapter->smartspeed = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
			adapter->link_speed = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			adapter->link_duplex = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			pr_info("%s NIC Link is Down\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
				netdev->name);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
			if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
				ecdev_set_link(adapter->ecdev, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
			} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
				netif_carrier_off(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
				if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
					mod_timer(&adapter->phy_info_timer,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
							round_jiffies(jiffies + 2 * HZ));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		e1000_smartspeed(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
link_up:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	e1000_update_stats(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	adapter->tpt_old = adapter->stats.tpt;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	adapter->colc_old = adapter->stats.colc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	adapter->gorcl_old = adapter->stats.gorcl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	adapter->gotcl_old = adapter->stats.gotcl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	e1000_update_adaptive(hw);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
			/* We've lost link, so the controller stops DMA,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
			 * but we've got queued Tx work that's never going
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
			 * to get done, so reset controller to flush Tx.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
			 * (Do the reset outside of interrupt context). */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
			adapter->tx_timeout_count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
			schedule_work(&adapter->reset_task);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
			/* return immediately since reset is imminent */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
			return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	/* Simple mode for Interrupt Throttle Rate (ITR) */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		 * Total asymmetrical Tx or Rx gets ITR=8000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		 * everyone else is between 2000-8000.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
		u32 dif = (adapter->gotcl > adapter->gorcl ?
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			    adapter->gotcl - adapter->gorcl :
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			    adapter->gorcl - adapter->gotcl) / 10000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		ew32(ITR, 1000000000 / (itr * 256));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	/* Cause software interrupt to ensure rx ring is cleaned */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	ew32(ICS, E1000_ICS_RXDMT0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	/* Force detection of hung controller every watchdog period */
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  2479
	if (!adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  2480
		adapter->detect_tx_hung = true;
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	/* Reset the timer */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			mod_timer(&adapter->watchdog_timer,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
			          round_jiffies(jiffies + 2 * HZ));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
enum latency_range {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	lowest_latency = 0,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	low_latency = 1,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	bulk_latency = 2,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	latency_invalid = 255
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
};
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
 * e1000_update_itr - update the dynamic ITR value based on statistics
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
 * @adapter: pointer to adapter
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
 * @itr_setting: current adapter->itr
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
 * @packets: the number of packets during this measurement interval
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
 * @bytes: the number of bytes during this measurement interval
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
 *      Stores a new ITR value based on packets and byte
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
 *      counts during the last interrupt.  The advantage of per interrupt
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
 *      computation is faster updates and more accurate ITR for the current
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
 *      traffic pattern.  Constants in this function were computed
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
 *      based on theoretical maximum wire speed and thresholds were set based
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
 *      on testing data as well as attempting to minimize response time
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
 *      while increasing bulk throughput.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
 *      this functionality is controlled by the InterruptThrottleRate module
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
 *      parameter (see e1000_param.c)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
				     u16 itr_setting, int packets, int bytes)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	unsigned int retval = itr_setting;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	if (unlikely(hw->mac_type < e1000_82540))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
		goto update_itr_done;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	if (packets == 0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		goto update_itr_done;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	switch (itr_setting) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	case lowest_latency:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		/* jumbo frames get bulk treatment*/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		if (bytes/packets > 8000)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			retval = bulk_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		else if ((packets < 5) && (bytes > 512))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			retval = low_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	case low_latency:  /* 50 usec aka 20000 ints/s */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		if (bytes > 10000) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			/* jumbo frames need bulk latency setting */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			if (bytes/packets > 8000)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
				retval = bulk_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
			else if ((packets < 10) || ((bytes/packets) > 1200))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
				retval = bulk_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
			else if ((packets > 35))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
				retval = lowest_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		} else if (bytes/packets > 2000)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			retval = bulk_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		else if (packets <= 2 && bytes < 512)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			retval = lowest_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	case bulk_latency: /* 250 usec aka 4000 ints/s */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
		if (bytes > 25000) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
			if (packets > 35)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
				retval = low_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
		} else if (bytes < 6000) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
			retval = low_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
update_itr_done:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	return retval;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
static void e1000_set_itr(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	u16 current_itr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	u32 new_itr = adapter->itr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	if (unlikely(hw->mac_type < e1000_82540))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	if (unlikely(adapter->link_speed != SPEED_1000)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		current_itr = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		new_itr = 4000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		goto set_itr_now;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	adapter->tx_itr = e1000_update_itr(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	                            adapter->tx_itr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	                            adapter->total_tx_packets,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	                            adapter->total_tx_bytes);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		adapter->tx_itr = low_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	adapter->rx_itr = e1000_update_itr(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	                            adapter->rx_itr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	                            adapter->total_rx_packets,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	                            adapter->total_rx_bytes);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
		adapter->rx_itr = low_latency;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	switch (current_itr) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	/* counts and packets in update_itr are dependent on these numbers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	case lowest_latency:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
		new_itr = 70000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	case low_latency:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		new_itr = 20000; /* aka hwitr = ~200 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	case bulk_latency:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
		new_itr = 4000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
set_itr_now:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	if (new_itr != adapter->itr) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		/* this attempts to bias the interrupt rate towards Bulk
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
		 * by adding intermediate steps when interrupt rate is
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
		 * increasing */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
		new_itr = new_itr > adapter->itr ?
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		             min(adapter->itr + (new_itr >> 2), new_itr) :
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		             new_itr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		adapter->itr = new_itr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
		ew32(ITR, 1000000000 / (new_itr * 256));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
#define E1000_TX_FLAGS_CSUM		0x00000001
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
#define E1000_TX_FLAGS_VLAN		0x00000002
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
#define E1000_TX_FLAGS_TSO		0x00000004
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
#define E1000_TX_FLAGS_IPV4		0x00000008
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
#define E1000_TX_FLAGS_VLAN_SHIFT	16
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
static int e1000_tso(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	struct e1000_context_desc *context_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	u32 cmd_length = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	u16 ipcse = 0, tucse, mss;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	int err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	if (skb_is_gso(skb)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		if (skb_header_cloned(skb)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
			if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
				return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		mss = skb_shinfo(skb)->gso_size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		if (skb->protocol == htons(ETH_P_IP)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			struct iphdr *iph = ip_hdr(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
			iph->tot_len = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			iph->check = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
								 iph->daddr, 0,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
								 IPPROTO_TCP,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
								 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
			cmd_length = E1000_TXD_CMD_IP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
			ipcse = skb_transport_offset(skb) - 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			ipv6_hdr(skb)->payload_len = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
			tcp_hdr(skb)->check =
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
						 &ipv6_hdr(skb)->daddr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
						 0, IPPROTO_TCP, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
			ipcse = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		ipcss = skb_network_offset(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
		tucss = skb_transport_offset(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		tucse = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		i = tx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		context_desc->upper_setup.tcp_fields.tucss = tucss;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		context_desc->upper_setup.tcp_fields.tucso = tucso;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		buffer_info->time_stamp = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		buffer_info->next_to_watch = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		if (++i == tx_ring->count) i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		tx_ring->next_to_use = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
		return true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	return false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
static bool e1000_tx_csum(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	struct e1000_context_desc *context_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	u8 css;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	u32 cmd_len = E1000_TXD_CMD_DEXT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	if (skb->ip_summed != CHECKSUM_PARTIAL)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		return false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	switch (skb->protocol) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	case cpu_to_be16(ETH_P_IP):
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
			cmd_len |= E1000_TXD_CMD_TCP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	case cpu_to_be16(ETH_P_IPV6):
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		/* XXX not handling all IPV6 headers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
			cmd_len |= E1000_TXD_CMD_TCP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		if (unlikely(net_ratelimit()))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
			e_warn("checksum_partial proto=%x!\n", skb->protocol);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	css = skb_transport_offset(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	i = tx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	context_desc->lower_setup.ip_config = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	context_desc->upper_setup.tcp_fields.tucss = css;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	context_desc->upper_setup.tcp_fields.tucso =
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		css + skb->csum_offset;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	context_desc->upper_setup.tcp_fields.tucse = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	context_desc->tcp_seg_setup.data = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	buffer_info->time_stamp = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	buffer_info->next_to_watch = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	if (unlikely(++i == tx_ring->count)) i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	tx_ring->next_to_use = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	return true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
#define E1000_MAX_TXD_PWR	12
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
static int e1000_tx_map(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
			struct e1000_tx_ring *tx_ring,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
			struct sk_buff *skb, unsigned int first,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
			unsigned int max_per_txd, unsigned int nr_frags,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
			unsigned int mss)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	unsigned int len = skb_headlen(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	unsigned int offset = 0, size, count = 0, i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	unsigned int f;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	i = tx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	while (len) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		size = min(len, max_per_txd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		/* Workaround for Controller erratum --
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		 * descriptor for non-tso packet in a linear SKB that follows a
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		 * tso gets written back prematurely before the data is fully
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		 * DMA'd to the controller */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		if (!skb->data_len && tx_ring->last_tx_tso &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		    !skb_is_gso(skb)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
			tx_ring->last_tx_tso = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
			size -= 4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		/* Workaround for premature desc write-backs
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		 * in TSO mode.  Append 4-byte sentinel desc */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		if (unlikely(mss && !nr_frags && size == len && size > 8))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
			size -= 4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		/* work-around for errata 10 and it applies
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		 * to all controllers in PCI-X mode
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		 * The fix is to make sure that the first descriptor of a
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		                (size > 2015) && count == 0))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		        size = 2015;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		 * terminating buffers within evenly-aligned dwords. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		if (unlikely(adapter->pcix_82544 &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		   size > 4))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
			size -= 4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		buffer_info->length = size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		/* set time_stamp *before* dma to help avoid a possible race */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		buffer_info->time_stamp = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		buffer_info->mapped_as_page = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		buffer_info->dma = dma_map_single(&pdev->dev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
						  skb->data + offset,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
						  size,	DMA_TO_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
			goto dma_error;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		buffer_info->next_to_watch = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		len -= size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
		offset += size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		if (len) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
			i++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
			if (unlikely(i == tx_ring->count))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
				i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	for (f = 0; f < nr_frags; f++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		struct skb_frag_struct *frag;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		frag = &skb_shinfo(skb)->frags[f];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		len = frag->size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		offset = frag->page_offset;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		while (len) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
			i++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
			if (unlikely(i == tx_ring->count))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
				i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
			buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
			size = min(len, max_per_txd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
			/* Workaround for premature desc write-backs
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
			 * in TSO mode.  Append 4-byte sentinel desc */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
				size -= 4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
			/* Workaround for potential 82544 hang in PCI-X.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
			 * Avoid terminating buffers within evenly-aligned
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
			 * dwords. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
			if (unlikely(adapter->pcix_82544 &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
			    !((unsigned long)(page_to_phys(frag->page) + offset
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
			                      + size - 1) & 4) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
			    size > 4))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
				size -= 4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
			buffer_info->length = size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
			buffer_info->time_stamp = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
			buffer_info->mapped_as_page = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
							offset,	size,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
							DMA_TO_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
				goto dma_error;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
			buffer_info->next_to_watch = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
			len -= size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
			offset += size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
			count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	tx_ring->buffer_info[i].skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	tx_ring->buffer_info[first].next_to_watch = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	return count;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
dma_error:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	dev_err(&pdev->dev, "TX DMA map failed\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	if (count)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		count--;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	while (count--) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		if (i==0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
			i += tx_ring->count;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		i--;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
static void e1000_tx_queue(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			   struct e1000_tx_ring *tx_ring, int tx_flags,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
			   int count)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	struct e1000_tx_desc *tx_desc = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		             E1000_TXD_CMD_TSE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		txd_lower |= E1000_TXD_CMD_VLE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	i = tx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	while (count--) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		tx_desc = E1000_TX_DESC(*tx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		tx_desc->lower.data =
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
			cpu_to_le32(txd_lower | buffer_info->length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		tx_desc->upper.data = cpu_to_le32(txd_upper);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		if (unlikely(++i == tx_ring->count)) i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	/* Force memory writes to complete before letting h/w
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	 * know there are new descriptors to fetch.  (Only
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	 * applicable for weak-ordered memory model archs,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	 * such as IA-64). */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	wmb();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	tx_ring->next_to_use = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	writel(i, hw->hw_addr + tx_ring->tdt);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	/* we need this if more than one processor can write to our tail
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	 * at a time, it syncronizes IO on IA64/Altix systems */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	mmiowb();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
 * 82547 workaround to avoid controller hang in half-duplex environment.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
 * The workaround is to avoid queuing a large packet that would span
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
 * the internal Tx FIFO ring boundary by notifying the stack to resend
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
 * to the beginning of the Tx FIFO.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
#define E1000_FIFO_HDR			0x10
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
#define E1000_82547_PAD_LEN		0x3E0
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
				       struct sk_buff *skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
	if (adapter->link_duplex != HALF_DUPLEX)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		goto no_fifo_stall_required;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	if (atomic_read(&adapter->tx_fifo_stall))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		return 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		atomic_set(&adapter->tx_fifo_stall, 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		return 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
no_fifo_stall_required:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	adapter->tx_fifo_head += skb_fifo_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
	netif_stop_queue(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	/* Herbert's original patch had:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	 *  smp_mb__after_netif_stop_queue();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	 * but since that doesn't exist yet, just open code it. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	smp_mb();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	/* We need to check again in a case another CPU has just
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	 * made room available. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		return -EBUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	/* A reprieve! */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	netif_start_queue(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	++adapter->restart_queue;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
static int e1000_maybe_stop_tx(struct net_device *netdev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
                               struct e1000_tx_ring *tx_ring, int size)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	return __e1000_maybe_stop_tx(netdev, size);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
				    struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	struct e1000_tx_ring *tx_ring;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	unsigned int tx_flags = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	unsigned int len = skb_headlen(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	unsigned int nr_frags;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	unsigned int mss;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	int count = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	int tso;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	unsigned int f;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	/* This goes back to the question of how to logically map a tx queue
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	 * to a flow.  Right now, performance is impacted slightly negatively
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	 * if using multiple tx queues.  If the stack breaks away from a
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	 * single qdisc implementation, we can look at this again. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	tx_ring = adapter->tx_ring;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	if (unlikely(skb->len <= 0)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		if (!adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
			dev_kfree_skb_any(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		return NETDEV_TX_OK;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	mss = skb_shinfo(skb)->gso_size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	/* The controller does a simple calculation to
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	 * make sure there is enough room in the FIFO before
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	 * initiating the DMA for each buffer.  The calc is:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	 * 4 = ceil(buffer len/mss).  To make sure we don't
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	 * overrun the FIFO, adjust the max buffer len if mss
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	 * drops. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	if (mss) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		u8 hdr_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
		max_per_txd = min(mss << 2, max_per_txd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		max_txd_pwr = fls(max_per_txd) - 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		if (skb->data_len && hdr_len == len) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
			switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
				unsigned int pull_size;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
			case e1000_82544:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
				/* Make sure we have room to chop off 4 bytes,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
				 * and that the end alignment will work out to
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
				 * this hardware's requirements
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
				 * NOTE: this is a TSO only workaround
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
				 * if end byte alignment not correct move us
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
				 * into the next dword */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
					break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
				/* fall through */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
				pull_size = min((unsigned int)4, skb->data_len);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
				if (!__pskb_pull_tail(skb, pull_size)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
					e_err("__pskb_pull_tail failed.\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
					dev_kfree_skb_any(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
					return NETDEV_TX_OK;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
				}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
				len = skb_headlen(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
			default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
				/* do nothing */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	/* reserve a descriptor for the offload context */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	/* Controller Erratum workaround */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	count += TXD_USE_COUNT(len, max_txd_pwr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	if (adapter->pcix_82544)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	/* work-around for errata 10 and it applies to all controllers
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	 * in PCI-X mode, so add one more descriptor to the count
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
			(len > 2015)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	nr_frags = skb_shinfo(skb)->nr_frags;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	for (f = 0; f < nr_frags; f++)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
				       max_txd_pwr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	if (adapter->pcix_82544)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		count += nr_frags;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	/* need: count + 2 desc gap to keep tail from touching
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	 * head, otherwise try next time */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		return NETDEV_TX_BUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	if (unlikely(hw->mac_type == e1000_82547)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
			if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
				netif_stop_queue(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
				if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
					mod_timer(&adapter->tx_fifo_stall_timer,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
					          jiffies + 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
			return NETDEV_TX_BUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		tx_flags |= E1000_TX_FLAGS_VLAN;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	first = tx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	tso = e1000_tso(adapter, tx_ring, skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	if (tso < 0) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
			dev_kfree_skb_any(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		return NETDEV_TX_OK;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	if (likely(tso)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
		if (likely(hw->mac_type != e1000_82544))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
			tx_ring->last_tx_tso = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		tx_flags |= E1000_TX_FLAGS_TSO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		tx_flags |= E1000_TX_FLAGS_CSUM;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	if (likely(skb->protocol == htons(ETH_P_IP)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		tx_flags |= E1000_TX_FLAGS_IPV4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	                     nr_frags, mss);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	if (count) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
			/* Make sure there is space in the ring for the next send. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	} else {
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  3166
		if (!adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  3167
			dev_kfree_skb_any(skb);
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		tx_ring->buffer_info[first].time_stamp = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		tx_ring->next_to_use = first;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	return NETDEV_TX_OK;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
 * e1000_tx_timeout - Respond to a Tx Hang
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
static void e1000_tx_timeout(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	/* Do the reset outside of interrupt context */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	adapter->tx_timeout_count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	schedule_work(&adapter->reset_task);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
static void e1000_reset_task(struct work_struct *work)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	struct e1000_adapter *adapter =
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		container_of(work, struct e1000_adapter, reset_task);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	e1000_reinit_locked(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
 * e1000_get_stats - Get System Network Statistics
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
 * Returns the address of the device statistics structure.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
 * The statistics are actually updated from the timer callback.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	/* only return the current stats */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	return &netdev->stats;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
 * e1000_change_mtu - Change the Maximum Transfer Unit
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
 * @netdev: network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
 * @new_mtu: new value for maximum frame size
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
 * Returns 0 on success, negative on failure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	if (adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		return -EBUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		e_err("Invalid MTU setting\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		return -EINVAL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	/* Adapter-specific max frame size limits. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	switch (hw->mac_type) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	case e1000_undefined ... e1000_82542_rev2_1:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
			e_err("Jumbo Frames not supported.\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
			return -EINVAL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
		msleep(1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	/* e1000_down has a dependency on max_frame_size */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	hw->max_frame_size = max_frame;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	if (netif_running(netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
		e1000_down(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	 * means we reserve 2 more, this pushes us to allocate from the next
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	 * larger slab size.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	 * i.e. RXBUFFER_2048 --> size-4096 slab
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	 *  fragmented skbs */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	if (max_frame <= E1000_RXBUFFER_2048)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		adapter->rx_buffer_len = PAGE_SIZE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
#endif
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	/* adjust allocation if LPE protects us, and we aren't using SBP */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	if (!hw->tbi_compatibility_on &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	pr_info("%s changing MTU from %d to %d\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		netdev->name, netdev->mtu, new_mtu);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	netdev->mtu = new_mtu;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	if (netif_running(netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		e1000_up(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
		e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	clear_bit(__E1000_RESETTING, &adapter->flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
 * e1000_update_stats - Update the board statistics counters
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
void e1000_update_stats(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	unsigned long flags = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	u16 phy_tmp;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	 * Prevent stats update while adapter is being reset, or if the pci
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	 * connection is down.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	if (adapter->link_speed == 0)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	if (pci_channel_offline(pdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	if (!adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		spin_lock_irqsave(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	/* these counters are modified from e1000_tbi_adjust_stats,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	 * called from the interrupt context, so they must only
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	 * be written while holding adapter->stats_lock
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	adapter->stats.crcerrs += er32(CRCERRS);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	adapter->stats.gprc += er32(GPRC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	adapter->stats.gorcl += er32(GORCL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	adapter->stats.gorch += er32(GORCH);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	adapter->stats.bprc += er32(BPRC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	adapter->stats.mprc += er32(MPRC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	adapter->stats.roc += er32(ROC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	adapter->stats.prc64 += er32(PRC64);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	adapter->stats.prc127 += er32(PRC127);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	adapter->stats.prc255 += er32(PRC255);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	adapter->stats.prc511 += er32(PRC511);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	adapter->stats.prc1023 += er32(PRC1023);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	adapter->stats.prc1522 += er32(PRC1522);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	adapter->stats.symerrs += er32(SYMERRS);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	adapter->stats.mpc += er32(MPC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	adapter->stats.scc += er32(SCC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	adapter->stats.ecol += er32(ECOL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	adapter->stats.mcc += er32(MCC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	adapter->stats.latecol += er32(LATECOL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	adapter->stats.dc += er32(DC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	adapter->stats.sec += er32(SEC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	adapter->stats.rlec += er32(RLEC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	adapter->stats.xonrxc += er32(XONRXC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	adapter->stats.xontxc += er32(XONTXC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	adapter->stats.xoffrxc += er32(XOFFRXC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	adapter->stats.xofftxc += er32(XOFFTXC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	adapter->stats.fcruc += er32(FCRUC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	adapter->stats.gptc += er32(GPTC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	adapter->stats.gotcl += er32(GOTCL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	adapter->stats.gotch += er32(GOTCH);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	adapter->stats.rnbc += er32(RNBC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	adapter->stats.ruc += er32(RUC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	adapter->stats.rfc += er32(RFC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	adapter->stats.rjc += er32(RJC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	adapter->stats.torl += er32(TORL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	adapter->stats.torh += er32(TORH);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	adapter->stats.totl += er32(TOTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	adapter->stats.toth += er32(TOTH);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	adapter->stats.tpr += er32(TPR);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	adapter->stats.ptc64 += er32(PTC64);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	adapter->stats.ptc127 += er32(PTC127);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	adapter->stats.ptc255 += er32(PTC255);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	adapter->stats.ptc511 += er32(PTC511);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	adapter->stats.ptc1023 += er32(PTC1023);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	adapter->stats.ptc1522 += er32(PTC1522);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	adapter->stats.mptc += er32(MPTC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	adapter->stats.bptc += er32(BPTC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	/* used for adaptive IFS */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	hw->tx_packet_delta = er32(TPT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	adapter->stats.tpt += hw->tx_packet_delta;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	hw->collision_delta = er32(COLC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	adapter->stats.colc += hw->collision_delta;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	if (hw->mac_type >= e1000_82543) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		adapter->stats.algnerrc += er32(ALGNERRC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		adapter->stats.rxerrc += er32(RXERRC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
		adapter->stats.tncrs += er32(TNCRS);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
		adapter->stats.cexterr += er32(CEXTERR);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		adapter->stats.tsctc += er32(TSCTC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		adapter->stats.tsctfc += er32(TSCTFC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	/* Fill out the OS statistics structure */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	netdev->stats.multicast = adapter->stats.mprc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	netdev->stats.collisions = adapter->stats.colc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	/* Rx Errors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	/* RLEC on some newer hardware can be incorrect so build
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	* our own version based on RUC and ROC */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	netdev->stats.rx_errors = adapter->stats.rxerrc +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		adapter->stats.crcerrs + adapter->stats.algnerrc +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		adapter->stats.ruc + adapter->stats.roc +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		adapter->stats.cexterr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	/* Tx Errors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	netdev->stats.tx_errors = adapter->stats.txerrc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	netdev->stats.tx_window_errors = adapter->stats.latecol;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	if (hw->bad_tx_carr_stats_fd &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	    adapter->link_duplex == FULL_DUPLEX) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		netdev->stats.tx_carrier_errors = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		adapter->stats.tncrs = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	/* Tx Dropped needs to be maintained elsewhere */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	/* Phy Stats */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	if (hw->media_type == e1000_media_type_copper) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		if ((adapter->link_speed == SPEED_1000) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
			adapter->phy_stats.idle_errors += phy_tmp;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		if ((hw->mac_type <= e1000_82546) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		   (hw->phy_type == e1000_phy_m88) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
			adapter->phy_stats.receive_errors += phy_tmp;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	/* Management Stats */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	if (hw->has_smbus) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		adapter->stats.mgptc += er32(MGTPTC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		adapter->stats.mgprc += er32(MGTPRC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		adapter->stats.mgpdc += er32(MGTPDC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	if (!adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
void ec_poll(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
		e1000_watchdog((unsigned long) adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		adapter->ec_watchdog_jiffies = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	e1000_intr(0, netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
 * e1000_intr - Interrupt Handler
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
 * @irq: interrupt number
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
 * @data: pointer to a network interface device structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
static irqreturn_t e1000_intr(int irq, void *data)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	struct net_device *netdev = data;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	u32 icr = er32(ICR);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
		return IRQ_NONE;  /* Not our interrupt */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		hw->get_link_status = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
		/* guard against interrupt when we're going down */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		int i, ec_work_done = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
		for (i = 0; i < E1000_MAX_INTR; i++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
							&ec_work_done, 100) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
		/* disable interrupts, without the synchronize_irq bit */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		ew32(IMC, ~0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
		E1000_WRITE_FLUSH();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
		if (likely(napi_schedule_prep(&adapter->napi))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
			adapter->total_tx_bytes = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
			adapter->total_tx_packets = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
			adapter->total_rx_bytes = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
			adapter->total_rx_packets = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
			__napi_schedule(&adapter->napi);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
			/* this really should not happen! if it does it is basically a
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
			 * bug, but not a hard error, so enable ints and continue */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
			if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
				e1000_irq_enable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	return IRQ_HANDLED;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
 * e1000_clean - NAPI Rx polling callback
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
 * EtherCAT: never called
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
static int e1000_clean(struct napi_struct *napi, int budget)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	int tx_clean_complete = 0, work_done = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	if (!tx_clean_complete)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		work_done = budget;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	/* If budget not fully consumed, exit the polling mode */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	if (work_done < budget) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		if (likely(adapter->itr_setting & 3))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
			e1000_set_itr(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		napi_complete(napi);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
			e1000_irq_enable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	return work_done;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
			       struct e1000_tx_ring *tx_ring)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	struct e1000_tx_desc *tx_desc, *eop_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	unsigned int i, eop;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	unsigned int count = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	unsigned int total_tx_bytes=0, total_tx_packets=0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	i = tx_ring->next_to_clean;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	eop = tx_ring->buffer_info[i].next_to_watch;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	       (count < tx_ring->count)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
		bool cleaned = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		rmb();	/* read buffer_info after eop_desc */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		for ( ; !cleaned; count++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
			tx_desc = E1000_TX_DESC(*tx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
			buffer_info = &tx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
			cleaned = (i == eop);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
			if (cleaned) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
				struct sk_buff *skb = buffer_info->skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
				unsigned int segs, bytecount;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
				segs = skb_shinfo(skb)->gso_segs ?: 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
				/* multiply data chunks by size of headers */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
				bytecount = ((segs - 1) * skb_headlen(skb)) +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
				            skb->len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
				total_tx_packets += segs;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
				total_tx_bytes += bytecount;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
			tx_desc->upper.data = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
			if (unlikely(++i == tx_ring->count)) i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		eop = tx_ring->buffer_info[i].next_to_watch;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	tx_ring->next_to_clean = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
#define TX_WAKE_THRESHOLD 32
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		/* Make sure that anybody stopping the queue after this
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		 * sees the new next_to_clean.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
		smp_mb();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		if (netif_queue_stopped(netdev) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
			netif_wake_queue(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
			++adapter->restart_queue;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	if (!adapter->ecdev && adapter->detect_tx_hung) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		/* Detect a transmit hang in hardware, this serializes the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		 * check with the clearing of time_stamp and movement of i */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		adapter->detect_tx_hung = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		if (tx_ring->buffer_info[eop].time_stamp &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		               (adapter->tx_timeout_factor * HZ)) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
			/* detected Tx unit hang */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
			e_err("Detected Tx Unit Hang\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
			      "  Tx Queue             <%lu>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
			      "  TDH                  <%x>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
			      "  TDT                  <%x>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
			      "  next_to_use          <%x>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
			      "  next_to_clean        <%x>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
			      "buffer_info[next_to_clean]\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
			      "  time_stamp           <%lx>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
			      "  next_to_watch        <%x>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
			      "  jiffies              <%lx>\n"
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
			      "  next_to_watch.status <%x>\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
				(unsigned long)((tx_ring - adapter->tx_ring) /
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
					sizeof(struct e1000_tx_ring)),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
				readl(hw->hw_addr + tx_ring->tdh),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
				readl(hw->hw_addr + tx_ring->tdt),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
				tx_ring->next_to_use,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
				tx_ring->next_to_clean,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
				tx_ring->buffer_info[eop].time_stamp,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
				eop,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
				jiffies,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
				eop_desc->upper.fields.status);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
			netif_stop_queue(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	adapter->total_tx_bytes += total_tx_bytes;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	adapter->total_tx_packets += total_tx_packets;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	netdev->stats.tx_bytes += total_tx_bytes;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	netdev->stats.tx_packets += total_tx_packets;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	return (count < tx_ring->count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
 * e1000_rx_checksum - Receive Checksum Offload for 82543
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
 * @adapter:     board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
 * @status_err:  receive descriptor status and error fields
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
 * @csum:        receive descriptor csum field
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
 * @sk_buff:     socket buffer with received data
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
			      u32 csum, struct sk_buff *skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	u16 status = (u16)status_err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	u8 errors = (u8)(status_err >> 24);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	skb->ip_summed = CHECKSUM_NONE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	/* 82543 or newer only */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	if (unlikely(hw->mac_type < e1000_82543)) return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	/* Ignore Checksum bit is set */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	/* TCP/UDP checksum error bit is set */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
		/* let the stack verify checksum errors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		adapter->hw_csum_err++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	/* TCP/UDP Checksum has not been calculated */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	if (!(status & E1000_RXD_STAT_TCPCS))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	/* It must be a TCP or UDP packet with a valid checksum */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
		/* TCP checksum is good */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
		skb->ip_summed = CHECKSUM_UNNECESSARY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	adapter->hw_csum_good++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
 * e1000_consume_page - helper function
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
                               u16 length)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	bi->page = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	skb->len += length;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	skb->data_len += length;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	skb->truesize += length;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
 * e1000_receive_skb - helper function to handle rx indications
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
 * @status: descriptor status field as written by hardware
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
 * @skb: pointer to sk_buff to be indicated to stack
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
			      __le16 vlan, struct sk_buff *skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	if (unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
		                         le16_to_cpu(vlan) &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
		                         E1000_RXD_SPC_VLAN_MASK);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
		netif_receive_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
 * @rx_ring: ring to clean
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
 * @work_done: amount of napi work completed this call
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
 * @work_to_do: max amount of work allowed for this call to do
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
 * the return value indicates whether actual cleaning was done, there
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
 * is no guarantee that everything was cleaned
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
				     struct e1000_rx_ring *rx_ring,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
				     int *work_done, int work_to_do)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	struct e1000_rx_desc *rx_desc, *next_rxd;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	struct e1000_buffer *buffer_info, *next_buffer;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	unsigned long irq_flags;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	u32 length;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	int cleaned_count = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	bool cleaned = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	unsigned int total_rx_bytes=0, total_rx_packets=0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	i = rx_ring->next_to_clean;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	rx_desc = E1000_RX_DESC(*rx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	while (rx_desc->status & E1000_RXD_STAT_DD) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		struct sk_buff *skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		u8 status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		if (*work_done >= work_to_do)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		(*work_done)++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		rmb(); /* read descriptor and rx_buffer_info after status DD */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		status = rx_desc->status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		skb = buffer_info->skb;
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  3757
		if (!adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  3758
			buffer_info->skb = NULL;
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		if (++i == rx_ring->count) i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		next_rxd = E1000_RX_DESC(*rx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
		prefetch(next_rxd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
		next_buffer = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
		cleaned = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		cleaned_count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		dma_unmap_page(&pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
			       buffer_info->length, DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
		length = le16_to_cpu(rx_desc->length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
		/* errors is only valid for DD + EOP descriptors */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		if (!adapter->ecdev &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		    unlikely((status & E1000_RXD_STAT_EOP) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
			u8 last_byte = *(skb->data + length - 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
				       last_byte)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
				spin_lock_irqsave(&adapter->stats_lock,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
				                  irq_flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
				e1000_tbi_adjust_stats(hw, &adapter->stats,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
				                       length, skb->data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
				spin_unlock_irqrestore(&adapter->stats_lock,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
				                       irq_flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
				length--;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
			} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
				/* recycle both page and skb */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
				buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
				/* an error means any chain goes out the window
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
				 * too */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
				if (rx_ring->rx_skb_top)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
					dev_kfree_skb(rx_ring->rx_skb_top);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
				rx_ring->rx_skb_top = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
				goto next_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
#define rxtop rx_ring->rx_skb_top
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		if (!(status & E1000_RXD_STAT_EOP)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
			/* this descriptor is only the beginning (or middle) */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
			if (!rxtop) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
				/* this is the beginning of a chain */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
				rxtop = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
				                   0, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
			} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
				/* this is the middle of a chain */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
				skb_fill_page_desc(rxtop,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
				    skb_shinfo(rxtop)->nr_frags,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
				    buffer_info->page, 0, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
				/* re-use the skb, only consumed the page */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
				buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
			e1000_consume_page(buffer_info, rxtop, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
			goto next_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
			if (rxtop) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
				/* end of the chain */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
				skb_fill_page_desc(rxtop,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
				    skb_shinfo(rxtop)->nr_frags,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
				    buffer_info->page, 0, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
				/* re-use the current skb, we only consumed the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
				 * page */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
				buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
				skb = rxtop;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
				rxtop = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
				e1000_consume_page(buffer_info, skb, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
			} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
				/* no chain, got EOP, this buf is the packet
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
				 * copybreak to save the put_page/alloc_page */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
				if (length <= copybreak &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
				    skb_tailroom(skb) >= length) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
					u8 *vaddr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
					vaddr = kmap_atomic(buffer_info->page,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
					                    KM_SKB_DATA_SOFTIRQ);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
					memcpy(skb_tail_pointer(skb), vaddr, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
					kunmap_atomic(vaddr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
					              KM_SKB_DATA_SOFTIRQ);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
					/* re-use the page, so don't erase
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
					 * buffer_info->page */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
					skb_put(skb, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
				} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
					skb_fill_page_desc(skb, 0,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
					                   buffer_info->page, 0,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
				                           length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
					e1000_consume_page(buffer_info, skb,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
					                   length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
				}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		e1000_rx_checksum(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		                  (u32)(status) |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		                  ((u32)(rx_desc->errors) << 24),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		                  le16_to_cpu(rx_desc->csum), skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		pskb_trim(skb, skb->len - 4);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		/* probably a little skewed due to removing CRC */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		total_rx_bytes += skb->len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		total_rx_packets++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		/* eth type trans needs skb->data to point to something */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		if (!pskb_may_pull(skb, ETH_HLEN)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
			e_err("pskb_may_pull failed.\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
			if (!adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
				dev_kfree_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
			goto next_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		skb->protocol = eth_type_trans(skb, netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
			ecdev_receive(adapter->ecdev, skb->data, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
			// No need to detect link status as
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
			// long as frames are received: Reset watchdog.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
			adapter->ec_watchdog_jiffies = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
next_desc:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
		rx_desc->status = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		/* return some buffers to hardware, one at a time is too slow */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
			cleaned_count = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		/* use prefetched values */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		rx_desc = next_rxd;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		buffer_info = next_buffer;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	rx_ring->next_to_clean = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	if (cleaned_count)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	adapter->total_rx_packets += total_rx_packets;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	adapter->total_rx_bytes += total_rx_bytes;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	netdev->stats.rx_bytes += total_rx_bytes;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	netdev->stats.rx_packets += total_rx_packets;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
	return cleaned;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
 * this should improve performance for small packets with large amounts
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
 * of reassembly being done in the stack
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
static void e1000_check_copybreak(struct net_device *netdev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
				 struct e1000_buffer *buffer_info,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
				 u32 length, struct sk_buff **skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	struct sk_buff *new_skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	if (adapter->ecdev || length > copybreak)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	if (!new_skb)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
				       (*skb)->data - NET_IP_ALIGN,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
				       length + NET_IP_ALIGN);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	/* save the skb in buffer_info as good */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	buffer_info->skb = *skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	*skb = new_skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
 * @adapter: board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
 * @rx_ring: ring to clean
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
 * @work_done: amount of napi work completed this call
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
 * @work_to_do: max amount of work allowed for this call to do
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
			       struct e1000_rx_ring *rx_ring,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
			       int *work_done, int work_to_do)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	struct e1000_rx_desc *rx_desc, *next_rxd;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	struct e1000_buffer *buffer_info, *next_buffer;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	unsigned long flags;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	u32 length;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	int cleaned_count = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	bool cleaned = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	unsigned int total_rx_bytes=0, total_rx_packets=0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	i = rx_ring->next_to_clean;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	rx_desc = E1000_RX_DESC(*rx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	while (rx_desc->status & E1000_RXD_STAT_DD) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
		struct sk_buff *skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		u8 status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		if (*work_done >= work_to_do)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		(*work_done)++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		rmb(); /* read descriptor and rx_buffer_info after status DD */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		status = rx_desc->status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		skb = buffer_info->skb;
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  3977
		if (!adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  3978
			buffer_info->skb = NULL;
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		prefetch(skb->data - NET_IP_ALIGN);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		if (++i == rx_ring->count) i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		next_rxd = E1000_RX_DESC(*rx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		prefetch(next_rxd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		next_buffer = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		cleaned = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		cleaned_count++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		dma_unmap_single(&pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
				 buffer_info->length, DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		length = le16_to_cpu(rx_desc->length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		/* !EOP means multiple descriptors were used to store a single
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		 * packet, if thats the case we need to toss it.  In fact, we
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		 * to toss every packet with the EOP bit clear and the next
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		 * frame that _does_ have the EOP bit set, as it is by
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		 * definition only a frame fragment
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
			adapter->discarding = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		if (adapter->discarding) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
			/* All receives must fit into a single buffer */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			e_info("Receive packet consumed multiple buffers\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			/* recycle */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			if (status & E1000_RXD_STAT_EOP)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
				adapter->discarding = false;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
			goto next_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		if (!adapter->ecdev &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			u8 last_byte = *(skb->data + length - 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
				       last_byte)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
				spin_lock_irqsave(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
				e1000_tbi_adjust_stats(hw, &adapter->stats,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
				                       length, skb->data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
				spin_unlock_irqrestore(&adapter->stats_lock,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
				                       flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
				length--;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
				/* recycle */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
				buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
				goto next_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		/* adjust length to remove Ethernet CRC, this must be
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		 * done after the TBI_ACCEPT workaround above */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		length -= 4;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		/* probably a little skewed due to removing CRC */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		total_rx_bytes += length;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		total_rx_packets++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		skb_put(skb, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		/* Receive Checksum Offload */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
		e1000_rx_checksum(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
				  (u32)(status) |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
				  ((u32)(rx_desc->errors) << 24),
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
				  le16_to_cpu(rx_desc->csum), skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
		skb->protocol = eth_type_trans(skb, netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
		if (adapter->ecdev) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			ecdev_receive(adapter->ecdev, skb->data, length);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
			// No need to detect link status as
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
			// long as frames are received: Reset watchdog.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			adapter->ec_watchdog_jiffies = jiffies;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
next_desc:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		rx_desc->status = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
		/* return some buffers to hardware, one at a time is too slow */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
			cleaned_count = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		/* use prefetched values */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		rx_desc = next_rxd;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		buffer_info = next_buffer;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	rx_ring->next_to_clean = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	if (cleaned_count)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	adapter->total_rx_packets += total_rx_packets;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	adapter->total_rx_bytes += total_rx_bytes;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	netdev->stats.rx_bytes += total_rx_bytes;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	netdev->stats.rx_packets += total_rx_packets;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	return cleaned;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
 * @adapter: address of board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
 * @rx_ring: pointer to receive ring structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
 * @cleaned_count: number of buffers to allocate this pass
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
static void
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	struct e1000_rx_desc *rx_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	struct sk_buff *skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	i = rx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	while (cleaned_count--) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		skb = buffer_info->skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		if (skb) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			skb_trim(skb, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
			goto check_page;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		if (unlikely(!skb)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
			/* Better luck next round */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
			adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
		/* Fix for errata 23, can't cross 64kB boundary */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
			struct sk_buff *oldskb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
			e_err("skb align check failed: %u bytes at %p\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
			      bufsz, skb->data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
			/* Try again, without freeing the previous */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
			/* Failed allocation, critical failure */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
			if (!skb) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
				dev_kfree_skb(oldskb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
				adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
				/* give up */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
				dev_kfree_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
				dev_kfree_skb(oldskb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
				break; /* while (cleaned_count--) */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
			/* Use new allocation */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
			dev_kfree_skb(oldskb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
		buffer_info->length = adapter->rx_buffer_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
check_page:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
		/* allocate a new page if necessary */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		if (!buffer_info->page) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
			buffer_info->page = alloc_page(GFP_ATOMIC);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
			if (unlikely(!buffer_info->page)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
				adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		if (!buffer_info->dma) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
			buffer_info->dma = dma_map_page(&pdev->dev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
			                                buffer_info->page, 0,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
							buffer_info->length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
							DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
				put_page(buffer_info->page);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
				dev_kfree_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
				buffer_info->page = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
				buffer_info->skb = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
				buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
				adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
				break; /* while !buffer_info->skb */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		rx_desc = E1000_RX_DESC(*rx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
		if (unlikely(++i == rx_ring->count))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
			i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	if (likely(rx_ring->next_to_use != i)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		rx_ring->next_to_use = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		if (unlikely(i-- == 0))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
			i = (rx_ring->count - 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		/* Force memory writes to complete before letting h/w
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		 * know there are new descriptors to fetch.  (Only
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		 * applicable for weak-ordered memory model archs,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		 * such as IA-64). */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		wmb();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
 * @adapter: address of board private structure
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
				   struct e1000_rx_ring *rx_ring,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
				   int cleaned_count)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	struct net_device *netdev = adapter->netdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	struct pci_dev *pdev = adapter->pdev;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	struct e1000_rx_desc *rx_desc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	struct e1000_buffer *buffer_info;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	struct sk_buff *skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	unsigned int i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	unsigned int bufsz = adapter->rx_buffer_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	i = rx_ring->next_to_use;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	while (cleaned_count--) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		skb = buffer_info->skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
		if (skb) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
			skb_trim(skb, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
			goto map_skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		if (unlikely(!skb)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			/* Better luck next round */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
			adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
			break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		/* Fix for errata 23, can't cross 64kB boundary */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
			struct sk_buff *oldskb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
			e_err("skb align check failed: %u bytes at %p\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
			      bufsz, skb->data);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
			/* Try again, without freeing the previous */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
			/* Failed allocation, critical failure */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
			if (!skb) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
				dev_kfree_skb(oldskb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
				adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
				/* give up */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
				dev_kfree_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
				dev_kfree_skb(oldskb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
				adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
				break; /* while !buffer_info->skb */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
			/* Use new allocation */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
			dev_kfree_skb(oldskb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		buffer_info->skb = skb;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		buffer_info->length = adapter->rx_buffer_len;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
map_skb:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		buffer_info->dma = dma_map_single(&pdev->dev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
						  skb->data,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
						  buffer_info->length,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
						  DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
			dev_kfree_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
			buffer_info->skb = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
			buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
			break; /* while !buffer_info->skb */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		 * XXX if it was allocated cleanly it will never map to a
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
		 * boundary crossing
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		/* Fix for errata 23, can't cross 64kB boundary */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		if (!e1000_check_64k_bound(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
					(void *)(unsigned long)buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
					adapter->rx_buffer_len)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
			e_err("dma align check failed: %u bytes at %p\n",
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
			      adapter->rx_buffer_len,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
			      (void *)(unsigned long)buffer_info->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
			dev_kfree_skb(skb);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
			buffer_info->skb = NULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			dma_unmap_single(&pdev->dev, buffer_info->dma,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
					 adapter->rx_buffer_len,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
					 DMA_FROM_DEVICE);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
			buffer_info->dma = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
			adapter->alloc_rx_buff_failed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
			break; /* while !buffer_info->skb */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		rx_desc = E1000_RX_DESC(*rx_ring, i);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		if (unlikely(++i == rx_ring->count))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			i = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		buffer_info = &rx_ring->buffer_info[i];
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	if (likely(rx_ring->next_to_use != i)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		rx_ring->next_to_use = i;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		if (unlikely(i-- == 0))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
			i = (rx_ring->count - 1);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
		/* Force memory writes to complete before letting h/w
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		 * know there are new descriptors to fetch.  (Only
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		 * applicable for weak-ordered memory model archs,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		 * such as IA-64). */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		wmb();
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		writel(i, hw->hw_addr + rx_ring->rdt);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
 * @adapter:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
static void e1000_smartspeed(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	u16 phy_status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	u16 phy_ctrl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	if (adapter->smartspeed == 0) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		/* If Master/Slave config fault is asserted twice,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		 * we assume back-to-back */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
					    phy_ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
			adapter->smartspeed++;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
			if (!e1000_phy_setup_autoneg(hw) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			   !e1000_read_phy_reg(hw, PHY_CTRL,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
				   	       &phy_ctrl)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
					     MII_CR_RESTART_AUTO_NEG);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
				e1000_write_phy_reg(hw, PHY_CTRL,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
						    phy_ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
		/* If still no link, perhaps using 2/3 pair cable */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
		phy_ctrl |= CR_1000T_MS_ENABLE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		if (!e1000_phy_setup_autoneg(hw) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
				     MII_CR_RESTART_AUTO_NEG);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		adapter->smartspeed = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
 * e1000_ioctl -
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
 * @netdev:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
 * @ifreq:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
 * @cmd:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	switch (cmd) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	case SIOCGMIIPHY:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	case SIOCGMIIREG:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	case SIOCSMIIREG:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		return e1000_mii_ioctl(netdev, ifr, cmd);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		return -EOPNOTSUPP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
 * e1000_mii_ioctl -
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
 * @netdev:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
 * @ifreq:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
 * @cmd:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
 **/
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
			   int cmd)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	struct mii_ioctl_data *data = if_mii(ifr);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	int retval;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	u16 mii_reg;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	u16 spddplx;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	unsigned long flags;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	if (hw->media_type != e1000_media_type_copper)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		return -EOPNOTSUPP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	switch (cmd) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	case SIOCGMIIPHY:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		data->phy_id = hw->phy_addr;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	case SIOCGMIIREG:
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  4418
		if (adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  4419
			return -EPERM;
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		spin_lock_irqsave(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
				   &data->val_out)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
			return -EIO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	case SIOCSMIIREG:
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  4429
		if (adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  4430
			return -EPERM;
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		if (data->reg_num & ~(0x1F))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
			return -EFAULT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		mii_reg = data->val_in;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		spin_lock_irqsave(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		if (e1000_write_phy_reg(hw, data->reg_num,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
					mii_reg)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
			return -EIO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		if (hw->media_type == e1000_media_type_copper) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
			switch (data->reg_num) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
			case PHY_CTRL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
				if (mii_reg & MII_CR_POWER_DOWN)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
					break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
					hw->autoneg = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
					hw->autoneg_advertised = 0x2F;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
				} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
					if (mii_reg & 0x40)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
						spddplx = SPEED_1000;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
					else if (mii_reg & 0x2000)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
						spddplx = SPEED_100;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
					else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
						spddplx = SPEED_10;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
					spddplx += (mii_reg & 0x100)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
						   ? DUPLEX_FULL :
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
						   DUPLEX_HALF;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
					retval = e1000_set_spd_dplx(adapter,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
								    spddplx);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
					if (retval)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
						return retval;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
				}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
				if (netif_running(adapter->netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
					e1000_reinit_locked(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
				else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
					e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			case M88E1000_PHY_SPEC_CTRL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			case M88E1000_EXT_PHY_SPEC_CTRL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
				if (e1000_phy_reset(hw))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
					return -EIO;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			switch (data->reg_num) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			case PHY_CTRL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
				if (mii_reg & MII_CR_POWER_DOWN)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
					break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
				if (netif_running(adapter->netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
					e1000_reinit_locked(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
				else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
					e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
				break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
			}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		return -EOPNOTSUPP;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	return E1000_SUCCESS;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
void e1000_pci_set_mwi(struct e1000_hw *hw)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	struct e1000_adapter *adapter = hw->back;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	int ret_val = pci_set_mwi(adapter->pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	if (ret_val)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
		e_err("Error in setting MWI\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
void e1000_pci_clear_mwi(struct e1000_hw *hw)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	struct e1000_adapter *adapter = hw->back;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	pci_clear_mwi(adapter->pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	struct e1000_adapter *adapter = hw->back;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	return pcix_get_mmrbc(adapter->pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	struct e1000_adapter *adapter = hw->back;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	pcix_set_mmrbc(adapter->pdev, mmrbc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	outl(value, port);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
static void e1000_vlan_rx_register(struct net_device *netdev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
				   struct vlan_group *grp)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	u32 ctrl, rctl;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		e1000_irq_disable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	adapter->vlgrp = grp;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	if (grp) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		/* enable VLAN tag insert/strip */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		ctrl = er32(CTRL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		ctrl |= E1000_CTRL_VME;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		ew32(CTRL, ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		/* enable VLAN receive filtering */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		rctl &= ~E1000_RCTL_CFIEN;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		if (!(netdev->flags & IFF_PROMISC))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
			rctl |= E1000_RCTL_VFE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		e1000_update_mng_vlan(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		/* disable VLAN tag insert/strip */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		ctrl = er32(CTRL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		ctrl &= ~E1000_CTRL_VME;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
		ew32(CTRL, ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		/* disable VLAN receive filtering */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		rctl &= ~E1000_RCTL_VFE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
		e1000_irq_enable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	u32 vfta, index;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	if ((hw->mng_cookie.status &
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	    (vid == adapter->mng_vlan_id))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	/* add VID to filter table */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	index = (vid >> 5) & 0x7F;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	vfta |= (1 << (vid & 0x1F));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	e1000_write_vfta(hw, index, vfta);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	u32 vfta, index;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
		e1000_irq_disable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	if (!test_bit(__E1000_DOWN, &adapter->flags))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		e1000_irq_enable(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	/* remove VID from filter table */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	index = (vid >> 5) & 0x7F;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	vfta &= ~(1 << (vid & 0x1F));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	e1000_write_vfta(hw, index, vfta);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
static void e1000_restore_vlan(struct e1000_adapter *adapter)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	if (adapter->vlgrp) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		u16 vid;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
			if (!vlan_group_get_device(adapter->vlgrp, vid))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
				continue;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	hw->autoneg = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	/* Fiber NICs only allow 1000 gbps Full duplex */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	if ((hw->media_type == e1000_media_type_fiber) &&
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		e_err("Unsupported Speed/Duplex configuration\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		return -EINVAL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	switch (spddplx) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	case SPEED_10 + DUPLEX_HALF:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		hw->forced_speed_duplex = e1000_10_half;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	case SPEED_10 + DUPLEX_FULL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		hw->forced_speed_duplex = e1000_10_full;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	case SPEED_100 + DUPLEX_HALF:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		hw->forced_speed_duplex = e1000_100_half;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	case SPEED_100 + DUPLEX_FULL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		hw->forced_speed_duplex = e1000_100_full;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	case SPEED_1000 + DUPLEX_FULL:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
		hw->autoneg = 1;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
		break;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	default:
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
		e_err("Unsupported Speed/Duplex configuration\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
		return -EINVAL;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	struct net_device *netdev = pci_get_drvdata(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	u32 ctrl, ctrl_ext, rctl, status;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	u32 wufc = adapter->wol;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
#ifdef CONFIG_PM
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	int retval = 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
#endif
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	if (adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		return -EBUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	netif_device_detach(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	if (netif_running(netdev)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		e1000_down(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
#ifdef CONFIG_PM
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	retval = pci_save_state(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	if (retval)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
		return retval;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
#endif
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	status = er32(STATUS);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	if (status & E1000_STATUS_LU)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		wufc &= ~E1000_WUFC_LNKC;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	if (wufc) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
		e1000_setup_rctl(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		e1000_set_rx_mode(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		/* turn on all-multi mode if wake on multicast is enabled */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		if (wufc & E1000_WUFC_MC) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
			rctl = er32(RCTL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
			rctl |= E1000_RCTL_MPE;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
			ew32(RCTL, rctl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		if (hw->mac_type >= e1000_82540) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
			ctrl = er32(CTRL);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
			/* advertise wake from D3Cold */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
			#define E1000_CTRL_ADVD3WUC 0x00100000
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
			/* phy power management enable */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
			ctrl |= E1000_CTRL_ADVD3WUC |
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
				E1000_CTRL_EN_PHY_PWR_MGMT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
			ew32(CTRL, ctrl);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		if (hw->media_type == e1000_media_type_fiber ||
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		    hw->media_type == e1000_media_type_internal_serdes) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
			/* keep the laser running in D3 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			ctrl_ext = er32(CTRL_EXT);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
			ew32(CTRL_EXT, ctrl_ext);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		ew32(WUC, E1000_WUC_PME_EN);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		ew32(WUFC, wufc);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		ew32(WUC, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		ew32(WUFC, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	e1000_release_manageability(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	*enable_wake = !!wufc;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	/* make sure adapter isn't asleep if manageability is enabled */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	if (adapter->en_mng_pt)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		*enable_wake = true;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	if (netif_running(netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		e1000_free_irq(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	pci_disable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
#ifdef CONFIG_PM
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	int retval;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	bool wake;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	retval = __e1000_shutdown(pdev, &wake);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	if (retval)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
		return retval;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	if (wake) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
		pci_prepare_to_sleep(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	} else {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		pci_wake_from_d3(pdev, false);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
		pci_set_power_state(pdev, PCI_D3hot);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
static int e1000_resume(struct pci_dev *pdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	struct net_device *netdev = pci_get_drvdata(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	u32 err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	if (adapter->ecdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
		return -EBUSY;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	pci_set_power_state(pdev, PCI_D0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	pci_restore_state(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	pci_save_state(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	if (adapter->need_ioport)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		err = pci_enable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		err = pci_enable_device_mem(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	if (err) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		pr_err("Cannot enable PCI device from suspend\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	pci_set_master(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	pci_enable_wake(pdev, PCI_D3hot, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	pci_enable_wake(pdev, PCI_D3cold, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	if (netif_running(netdev)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		err = e1000_request_irq(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
		if (err)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
			return err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	e1000_power_up_phy(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	ew32(WUS, ~0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	e1000_init_manageability(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	if (netif_running(netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
		e1000_up(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
2288
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  4806
	if (!adapter->ecdev)
af008c10823b Minor: Indentation.
Florian Pose <fp@igh-essen.com>
parents: 2287
diff changeset
  4807
		netif_device_attach(netdev);
2287
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	return 0;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
#endif
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
static void e1000_shutdown(struct pci_dev *pdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	bool wake;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	__e1000_shutdown(pdev, &wake);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	if (system_state == SYSTEM_POWER_OFF) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		pci_wake_from_d3(pdev, wake);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
		pci_set_power_state(pdev, PCI_D3hot);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
#ifdef CONFIG_NET_POLL_CONTROLLER
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
/*
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
 * Polling 'interrupt' - used by things like netconsole to send skbs
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
 * without having to re-enable interrupts. It's not called while
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
 * the interrupt routine is executing.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
static void e1000_netpoll(struct net_device *netdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	disable_irq(adapter->pdev->irq);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	e1000_intr(adapter->pdev->irq, netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	enable_irq(adapter->pdev->irq);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
#endif
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
 * e1000_io_error_detected - called when PCI error is detected
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
 * @pdev: Pointer to PCI device
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
 * @state: The current pci connection state
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
 * This function is called after a PCI bus error affecting
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
 * this device has been detected.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
						pci_channel_state_t state)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	struct net_device *netdev = pci_get_drvdata(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	netif_device_detach(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	if (state == pci_channel_io_perm_failure)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		return PCI_ERS_RESULT_DISCONNECT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	if (netif_running(netdev))
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		e1000_down(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	pci_disable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	/* Request a slot slot reset. */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	return PCI_ERS_RESULT_NEED_RESET;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
 * e1000_io_slot_reset - called after the pci bus has been reset.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
 * @pdev: Pointer to PCI device
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
 * Restart the card from scratch, as if from a cold-boot. Implementation
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
 * resembles the first-half of the e1000_resume routine.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	struct net_device *netdev = pci_get_drvdata(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	struct e1000_hw *hw = &adapter->hw;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	int err;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	if (adapter->need_ioport)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
		err = pci_enable_device(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	else
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
		err = pci_enable_device_mem(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
	if (err) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
		pr_err("Cannot re-enable PCI device after reset.\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
		return PCI_ERS_RESULT_DISCONNECT;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	pci_set_master(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	pci_enable_wake(pdev, PCI_D3hot, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	pci_enable_wake(pdev, PCI_D3cold, 0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	e1000_reset(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	ew32(WUS, ~0);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	return PCI_ERS_RESULT_RECOVERED;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
/**
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
 * e1000_io_resume - called when traffic can start flowing again.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
 * @pdev: Pointer to PCI device
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
 *
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
 * This callback is called when the error recovery driver tells us that
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
 * its OK to resume normal operation. Implementation resembles the
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
 * second-half of the e1000_resume routine.
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
 */
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
static void e1000_io_resume(struct pci_dev *pdev)
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
{
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	struct net_device *netdev = pci_get_drvdata(pdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	struct e1000_adapter *adapter = netdev_priv(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	e1000_init_manageability(adapter);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	if (netif_running(netdev)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		if (e1000_up(adapter)) {
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
			pr_info("can't bring device back up after reset\n");
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
			return;
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
		}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	netif_device_attach(netdev);
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
}
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
fda70486f179 Added e1000 driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
/* e1000_main.c */