devices/e1000/e1000_main-3.0-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 05 Feb 2013 16:45:34 +0100
branchstable-1.5
changeset 2505 5ef3197e5e1f
parent 2471 fc64a4b1ec1a
child 2582 87e502828b3f
permissions -rw-r--r--
Added ecrt_slave_config_reg_so_entry_pos() to register non-unique entries.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#include "e1000-3.0-ethercat.h"
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#include <net/ip6_checksum.h>
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#include <linux/io.h>
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#include <linux/prefetch.h>
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/* Intel Media SOC GbE MDIO physical base address */
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static unsigned long ce4100_gbe_mdio_base_phy;
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/* Intel Media SOC GbE MDIO virtual base address */
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void __iomem *ce4100_gbe_mdio_base_virt;
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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-k8-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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	INTEL_E1000_ETHERNET_DEVICE(0x2E6E),
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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_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_update_phy_info_task(struct work_struct *work);
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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 void e1000_82547_tx_fifo_stall_task(struct work_struct *work);
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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 Management 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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	}
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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(probe, "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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	}
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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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	}
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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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/**
6742f8751872 Added e1000 driver for kernel 3.0.
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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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   334
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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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   339
	if (adapter->ecdev) {
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		return;
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	}
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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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   353
	if (adapter->vlgrp) {
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   354
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
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   355
			if (hw->mng_cookie.status &
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   356
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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				e1000_vlan_rx_add_vid(netdev, vid);
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   358
				adapter->mng_vlan_id = vid;
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   359
			} else
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   360
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   361
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   362
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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   363
					(vid != old_vid) &&
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   364
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
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   365
				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   366
		} else
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   367
			adapter->mng_vlan_id = vid;
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   368
	}
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   369
}
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   370
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   371
static void e1000_init_manageability(struct e1000_adapter *adapter)
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   372
{
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   373
	struct e1000_hw *hw = &adapter->hw;
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   374
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   375
	if (adapter->en_mng_pt) {
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   376
		u32 manc = er32(MANC);
6742f8751872 Added e1000 driver for kernel 3.0.
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   377
6742f8751872 Added e1000 driver for kernel 3.0.
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   378
		/* disable hardware interception of ARP */
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   379
		manc &= ~(E1000_MANC_ARP_EN);
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   380
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   381
		ew32(MANC, manc);
6742f8751872 Added e1000 driver for kernel 3.0.
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   382
	}
6742f8751872 Added e1000 driver for kernel 3.0.
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   383
}
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   384
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   385
static void e1000_release_manageability(struct e1000_adapter *adapter)
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   386
{
6742f8751872 Added e1000 driver for kernel 3.0.
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   387
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
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   388
6742f8751872 Added e1000 driver for kernel 3.0.
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   389
	if (adapter->en_mng_pt) {
6742f8751872 Added e1000 driver for kernel 3.0.
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   390
		u32 manc = er32(MANC);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   391
6742f8751872 Added e1000 driver for kernel 3.0.
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   392
		/* re-enable hardware interception of ARP */
6742f8751872 Added e1000 driver for kernel 3.0.
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   393
		manc |= E1000_MANC_ARP_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
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   394
6742f8751872 Added e1000 driver for kernel 3.0.
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   395
		ew32(MANC, manc);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   396
	}
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   397
}
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   398
6742f8751872 Added e1000 driver for kernel 3.0.
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   399
/**
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   400
 * e1000_configure - configure the hardware for RX and TX
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   401
 * @adapter = private board structure
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   402
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   403
static void e1000_configure(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   404
{
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   405
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   406
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   407
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   408
	e1000_set_rx_mode(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   409
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   410
	e1000_restore_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   411
	e1000_init_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   412
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   413
	e1000_configure_tx(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   414
	e1000_setup_rctl(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   415
	e1000_configure_rx(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
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diff changeset
   416
	/* call E1000_DESC_UNUSED which always leaves
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	 * at least 1 descriptor unused to make sure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	 * next_to_use != next_to_clean */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	for (i = 0; i < adapter->num_rx_queues; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
			/* fill rx ring completely! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
			adapter->alloc_rx_buf(adapter, ring, ring->count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			/* this one leaves the last ring element unallocated! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			adapter->alloc_rx_buf(adapter, ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
					E1000_DESC_UNUSED(ring));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
int e1000_up(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	/* hardware has been reset, we need to reload some things */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	e1000_configure(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	clear_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		napi_enable(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
		netif_wake_queue(adapter->netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		/* fire a link change interrupt to start the watchdog */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		ew32(ICS, E1000_ICS_LSC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
 * e1000_power_up_phy - restore link in case the phy was powered down
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 * The phy may be powered down to save power and turn off link when the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 * driver is unloaded and wake on lan is not enabled (among others)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 * *** this routine MUST be followed by a call to e1000_reset ***
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
void e1000_power_up_phy(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	u16 mii_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	/* Just clear the power down bit to wake the phy back up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		/* according to the manual, the phy will retain its
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		 * settings across a power-down/up cycle */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		mii_reg &= ~MII_CR_POWER_DOWN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
static void e1000_power_down_phy(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	/* Power down the PHY so no link is implied when interface is down *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	 * The PHY cannot be powered down if any of the following is true *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	 * (a) WoL is enabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	 * (b) AMT is active
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	 * (c) SoL/IDER session is active */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	   hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		u16 mii_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
				goto out;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
			goto out;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		mii_reg |= MII_CR_POWER_DOWN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		mdelay(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
out:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
void e1000_down(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	u32 rctl, tctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* disable receives in the hardware */	
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		/* flush and sleep below */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		netif_tx_disable(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	/* disable transmits in the hardware */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	tctl &= ~E1000_TCTL_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	/* flush both disables and wait for them to finish */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
		napi_disable(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	 * Setting DOWN must be after irq_disable to prevent
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	 * a screaming interrupt.  Setting DOWN also prevents
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	 * timers and tasks from rescheduling.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	set_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
		del_timer_sync(&adapter->tx_fifo_stall_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		del_timer_sync(&adapter->watchdog_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		del_timer_sync(&adapter->phy_info_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	adapter->link_speed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	adapter->link_duplex = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	e1000_clean_all_tx_rings(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	e1000_clean_all_rx_rings(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
static void e1000_reinit_safe(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	rtnl_lock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	rtnl_unlock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	clear_bit(__E1000_RESETTING, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
void e1000_reinit_locked(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	/* if rtnl_lock is not held the call path is bogus */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	ASSERT_RTNL();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	WARN_ON(in_interrupt());
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	clear_bit(__E1000_RESETTING, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
void e1000_reset(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	bool legacy_pba_adjust = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	u16 hwm;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	/* Repartition Pba for greater than 9k mtu
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	 * To take effect CTRL.RST is required.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		legacy_pba_adjust = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		pba = E1000_PBA_48K;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		pba = E1000_PBA_48K;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		legacy_pba_adjust = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		pba = E1000_PBA_30K;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	case e1000_undefined:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	case e1000_num_macs:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	if (legacy_pba_adjust) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			pba -= 8; /* allocate more FIFO for Tx */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		if (hw->mac_type == e1000_82547) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
			adapter->tx_fifo_head = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			adapter->tx_fifo_size =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			atomic_set(&adapter->tx_fifo_stall, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		/* adjust PBA for jumbo frames */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		ew32(PBA, pba);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		/* To maintain wire speed transmits, the Tx FIFO should be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		 * large enough to accommodate two full transmit packets,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		 * the Rx FIFO should be large enough to accommodate at least
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		 * one full receive packet and is similarly rounded up and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		 * expressed in KB. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		pba = er32(PBA);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
		/* upper 16 bits has Tx packet buffer allocation size in KB */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		tx_space = pba >> 16;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		/* lower 16 bits has Rx packet buffer allocation size in KB */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		pba &= 0xffff;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		 * the tx fifo also stores 16 bytes of information about the tx
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		 * but don't include ethernet FCS because hardware appends it
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		min_tx_space = (hw->max_frame_size +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		                sizeof(struct e1000_tx_desc) -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		                ETH_FCS_LEN) * 2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		min_tx_space = ALIGN(min_tx_space, 1024);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		min_tx_space >>= 10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		/* software strips receive CRC, so leave room for it */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		min_rx_space = hw->max_frame_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		min_rx_space = ALIGN(min_rx_space, 1024);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		min_rx_space >>= 10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		/* If current Tx allocation is less than the min Tx FIFO size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		 * and the min Tx FIFO size is less than the current Rx FIFO
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		 * allocation, take space away from current Rx allocation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		if (tx_space < min_tx_space &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		    ((min_tx_space - tx_space) < pba)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
			pba = pba - (min_tx_space - tx_space);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
			/* PCI/PCIx hardware has PBA alignment constraints */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
			switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
			case e1000_82545 ... e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
				pba &= ~(E1000_PBA_8K - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
			default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
			/* if short on rx space, rx wins and must trump tx
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
			 * adjustment or use Early Receive if available */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			if (pba < min_rx_space)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
				pba = min_rx_space;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	ew32(PBA, pba);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	 * flow control settings:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	 * The high water mark must be low enough to fit one full frame
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	 * (or the size used for early receive) above it in the Rx FIFO.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	 * Set it to the lower of:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	 * - 90% of the Rx FIFO size, and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	 * - the full Rx FIFO size minus the early receive size (for parts
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	 * - the full Rx FIFO size minus one full frame
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	hwm = min(((pba << 10) * 9 / 10),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		  ((pba << 10) - hw->max_frame_size));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	hw->fc_low_water = hw->fc_high_water - 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	hw->fc_send_xon = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	hw->fc = hw->original_fc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	/* Allow time for pending master requests to run */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	e1000_reset_hw(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	if (hw->mac_type >= e1000_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		ew32(WUC, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	if (e1000_init_hw(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		e_dev_err("Hardware Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	e1000_update_mng_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	if (hw->mac_type >= e1000_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	    hw->autoneg == 1 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		u32 ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		/* clear phy power management bit if we are in gig only mode,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		 * which if enabled will attempt negotiation to 100Mb, which
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		 * can cause a loss of link at power off or driver unload */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		ctrl &= ~E1000_CTRL_SWDPIN3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	e1000_reset_adaptive(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	e1000_phy_get_info(hw, &adapter->phy_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	e1000_release_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
 *  Dump the eeprom for users having checksum issues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	struct ethtool_eeprom eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	const struct ethtool_ops *ops = netdev->ethtool_ops;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	u8 *data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	u16 csum_old, csum_new = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	eeprom.len = ops->get_eeprom_len(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	eeprom.offset = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	data = kmalloc(eeprom.len, GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	if (!data) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		pr_err("Unable to allocate memory to dump EEPROM data\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	ops->get_eeprom(netdev, &eeprom, data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		csum_new += data[i] + (data[i + 1] << 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	csum_new = EEPROM_SUM - csum_new;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	pr_err("/*********************/\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	pr_err("Calculated              : 0x%04x\n", csum_new);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	pr_err("Offset    Values\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	pr_err("========  ======\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	pr_err("Include this output when contacting your support provider.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	pr_err("This is not a software error! Something bad happened to\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	pr_err("result in further problems, possibly loss of data,\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	pr_err("corruption or system hangs!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	pr_err("which is invalid and requires you to set the proper MAC\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	pr_err("address manually before continuing to enable this network\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	pr_err("device. Please inspect the EEPROM dump and report the\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	pr_err("/*********************/\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	kfree(data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
 * @pdev: PCI device information struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
 * Return true if an adapter needs ioport resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
static int e1000_is_need_ioport(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	switch (pdev->device) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	case E1000_DEV_ID_82540EM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	case E1000_DEV_ID_82540EM_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	case E1000_DEV_ID_82540EP:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	case E1000_DEV_ID_82540EP_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	case E1000_DEV_ID_82540EP_LP:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	case E1000_DEV_ID_82541EI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	case E1000_DEV_ID_82541EI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	case E1000_DEV_ID_82541ER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	case E1000_DEV_ID_82541ER_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	case E1000_DEV_ID_82541GI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	case E1000_DEV_ID_82541GI_LF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	case E1000_DEV_ID_82541GI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	case E1000_DEV_ID_82544EI_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	case E1000_DEV_ID_82544EI_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	case E1000_DEV_ID_82544GC_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	case E1000_DEV_ID_82544GC_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	case E1000_DEV_ID_82545EM_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	case E1000_DEV_ID_82545EM_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	case E1000_DEV_ID_82546EB_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	case E1000_DEV_ID_82546EB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
static const struct net_device_ops e1000_netdev_ops = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	.ndo_open		= e1000_open,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	.ndo_stop		= e1000_close,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	.ndo_start_xmit		= e1000_xmit_frame,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	.ndo_get_stats		= e1000_get_stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	.ndo_set_rx_mode	= e1000_set_rx_mode,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	.ndo_set_mac_address	= e1000_set_mac,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	.ndo_tx_timeout 	= e1000_tx_timeout,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	.ndo_change_mtu		= e1000_change_mtu,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	.ndo_do_ioctl		= e1000_ioctl,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	.ndo_validate_addr	= eth_validate_addr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
#ifdef CONFIG_NET_POLL_CONTROLLER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	.ndo_poll_controller	= e1000_netpoll,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
 * e1000_init_hw_struct - initialize members of hw struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
 * @adapter: board private struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
 * @hw: structure used by e1000_hw.c
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
 * Factors out initialization of the e1000_hw struct to its own function
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
 * that can be called very early at init (just after struct allocation).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
 * Fields are initialized based on PCI device information and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
 * OS network device settings (MTU size).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
 * Returns negative error codes if MAC type setup fails.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
				struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	/* PCI config space info */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	hw->vendor_id = pdev->vendor;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	hw->device_id = pdev->device;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	hw->subsystem_id = pdev->subsystem_device;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	hw->revision_id = pdev->revision;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	hw->max_frame_size = adapter->netdev->mtu +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	/* identify the MAC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	if (e1000_set_mac_type(hw)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		e_err(probe, "Unknown MAC Type\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		hw->phy_init_script = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	e1000_set_media_type(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	e1000_get_bus_info(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	hw->wait_autoneg_complete = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	hw->tbi_compatibility_en = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	hw->adaptive_ifs = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	/* Copper options */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		hw->mdix = AUTO_ALL_MODES;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		hw->disable_polarity_correction = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
		hw->master_slave = E1000_MASTER_SLAVE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
 * e1000_probe - Device Initialization Routine
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
 * @pdev: PCI device information struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
 * @ent: entry in e1000_pci_tbl
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 * e1000_probe initializes an adapter identified by a pci_dev structure.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 * The OS initialization, configuring of the adapter private structure,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 * and a hardware reset occur.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
static int __devinit e1000_probe(struct pci_dev *pdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
				 const struct pci_device_id *ent)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	struct net_device *netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	struct e1000_adapter *adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	struct e1000_hw *hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	static int cards_found = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	int i, err, pci_using_dac;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	u16 eeprom_data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	u16 tmp = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	int bars, need_ioport;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	/* do not allocate ioport bars when not needed */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	need_ioport = e1000_is_need_ioport(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	if (need_ioport) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		err = pci_enable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		err = pci_enable_device_mem(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		goto err_pci_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	pci_set_master(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	err = pci_save_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		goto err_alloc_etherdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	err = -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	if (!netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		goto err_alloc_etherdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	SET_NETDEV_DEV(netdev, &pdev->dev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	pci_set_drvdata(pdev, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	adapter->netdev = netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	adapter->pdev = pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	adapter->msg_enable = (1 << debug) - 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	adapter->bars = bars;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	adapter->need_ioport = need_ioport;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	hw->back = adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	err = -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	if (!hw->hw_addr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		goto err_ioremap;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	if (adapter->need_ioport) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		for (i = BAR_1; i <= BAR_5; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
			if (pci_resource_len(pdev, i) == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
				continue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
				hw->io_base = pci_resource_start(pdev, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	/* make ready for any if (hw->...) below */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	err = e1000_init_hw_struct(adapter, hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		goto err_sw_init;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	 * there is a workaround being applied below that limits
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	pci_using_dac = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	if ((hw->bus_type == e1000_bus_type_pcix) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		 * according to DMA-API-HOWTO, coherent calls will always
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		 * succeed if the set call did
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		pci_using_dac = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
			pr_err("No usable DMA config, aborting\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
			goto err_dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	netdev->netdev_ops = &e1000_netdev_ops;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	e1000_set_ethtool_ops(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	netdev->watchdog_timeo = 5 * HZ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	adapter->bd_number = cards_found;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	/* setup the private structure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	err = e1000_sw_init(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		goto err_sw_init;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	err = -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		ce4100_gbe_mdio_base_phy = pci_resource_start(pdev, BAR_1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		ce4100_gbe_mdio_base_virt = ioremap(ce4100_gbe_mdio_base_phy,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		                                pci_resource_len(pdev, BAR_1));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		if (!ce4100_gbe_mdio_base_virt)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
			goto err_mdio_ioremap;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		netdev->features = NETIF_F_SG |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
				   NETIF_F_HW_CSUM |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
				   NETIF_F_HW_VLAN_TX |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
				   NETIF_F_HW_VLAN_RX |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
				   NETIF_F_HW_VLAN_FILTER;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	if ((hw->mac_type >= e1000_82544) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	   (hw->mac_type != e1000_82547))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		netdev->features |= NETIF_F_TSO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	if (pci_using_dac) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		netdev->features |= NETIF_F_HIGHDMA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		netdev->vlan_features |= NETIF_F_HIGHDMA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	netdev->vlan_features |= NETIF_F_TSO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	netdev->vlan_features |= NETIF_F_HW_CSUM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	netdev->vlan_features |= NETIF_F_SG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	/* initialize eeprom parameters */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	if (e1000_init_eeprom_params(hw)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		e_err(probe, "EEPROM initialization failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		goto err_eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	/* before reading the EEPROM, reset the controller to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	 * put the device in a known good starting state */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	e1000_reset_hw(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	/* make sure the EEPROM is good */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	if (e1000_validate_eeprom_checksum(hw) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		e1000_dump_eeprom(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		 * set MAC address to all zeroes to invalidate and temporary
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		 * disable this device for the user. This blocks regular
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		 * traffic while still permitting ethtool ioctls from reaching
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		 * the hardware as well as allowing the user to run the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		 * interface after manually setting a hw addr using
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		 * `ip set address`
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		memset(hw->mac_addr, 0, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		/* copy the MAC address out of the EEPROM */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		if (e1000_read_mac_addr(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
			e_err(probe, "EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	/* don't block initalization here due to bad MAC address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	if (!is_valid_ether_addr(netdev->perm_addr))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		e_err(probe, "Invalid MAC Address\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	init_timer(&adapter->tx_fifo_stall_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	adapter->tx_fifo_stall_timer.function = e1000_82547_tx_fifo_stall;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	init_timer(&adapter->watchdog_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	adapter->watchdog_timer.function = e1000_watchdog;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	adapter->watchdog_timer.data = (unsigned long) adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	init_timer(&adapter->phy_info_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	adapter->phy_info_timer.function = e1000_update_phy_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	adapter->phy_info_timer.data = (unsigned long)adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	INIT_WORK(&adapter->fifo_stall_task, e1000_82547_tx_fifo_stall_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	INIT_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	e1000_check_options(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	/* Initial Wake on LAN setting
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	 * If APM wake is enabled in the EEPROM,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	 * enable the ACPI Magic Packet filter
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		e1000_read_eeprom(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			e1000_read_eeprom(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		/* Fall Through */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		e1000_read_eeprom(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	if (eeprom_data & eeprom_apme_mask)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		adapter->eeprom_wol |= E1000_WUFC_MAG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	/* now that we have the eeprom settings, apply the special cases
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	 * where the eeprom may be wrong or the board simply won't support
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	 * wake on lan on a particular port */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	switch (pdev->device) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	case E1000_DEV_ID_82546GB_PCIE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		adapter->eeprom_wol = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	case E1000_DEV_ID_82546EB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	case E1000_DEV_ID_82546GB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		/* Wake events only supported on port A for dual fiber
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		 * regardless of eeprom setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			adapter->eeprom_wol = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		/* if quad port adapter, disable WoL on all but port A */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		if (global_quad_port_a != 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
			adapter->eeprom_wol = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			adapter->quad_port_a = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		/* Reset for multiple quad port adapters */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		if (++global_quad_port_a == 4)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			global_quad_port_a = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	/* initialize the wol settings based on the eeprom settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	adapter->wol = adapter->eeprom_wol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	/* Auto detect PHY address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		for (i = 0; i < 32; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			hw->phy_addr = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			if (tmp == 0 || tmp == 0xFF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
				if (i == 31)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
					goto err_eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
				continue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			} else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	/* reset the hardware with the new settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
 	// offer device to EtherCAT master module
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		if (ecdev_open(adapter->ecdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
			ecdev_withdraw(adapter->ecdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
			goto err_register;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		strcpy(netdev->name, "eth%d");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		err = register_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			goto err_register;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	/* print bus type/speed/width info */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	       netdev->dev_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		/* carrier off reporting is important to ethtool even BEFORE open */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	cards_found++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
err_register:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
err_eeprom:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	e1000_phy_hw_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	if (hw->flash_address)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		iounmap(hw->flash_address);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	kfree(adapter->tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	kfree(adapter->rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
err_dma:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
err_sw_init:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
err_mdio_ioremap:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	iounmap(ce4100_gbe_mdio_base_virt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	iounmap(hw->hw_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
err_ioremap:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	free_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
err_alloc_etherdev:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	pci_release_selected_regions(pdev, bars);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
err_pci_reg:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * e1000_remove - Device Removal Routine
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * @pdev: PCI device information struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 * e1000_remove is called by the PCI subsystem to alert the driver
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
 * that it should release a PCI device.  The could be caused by a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
 * Hot-Plug event, or because the driver is going to be removed from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
 * memory.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
static void __devexit e1000_remove(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	set_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		del_timer_sync(&adapter->tx_fifo_stall_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		del_timer_sync(&adapter->watchdog_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		del_timer_sync(&adapter->phy_info_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	cancel_work_sync(&adapter->reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	e1000_release_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		ecdev_close(adapter->ecdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		ecdev_withdraw(adapter->ecdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		unregister_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	e1000_phy_hw_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	kfree(adapter->tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	kfree(adapter->rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	iounmap(hw->hw_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	if (hw->flash_address)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		iounmap(hw->flash_address);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	pci_release_selected_regions(pdev, adapter->bars);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	free_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 * @adapter: board private structure to initialize
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
 * e1000_sw_init initializes the Adapter private data structure.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
 * e1000_init_hw_struct MUST be called before this function
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	adapter->num_tx_queues = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	adapter->num_rx_queues = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	if (e1000_alloc_queues(adapter)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		e_err(probe, "Unable to allocate memory for queues\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	/* Explicitly disable IRQ since the NIC can be in any state. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	spin_lock_init(&adapter->stats_lock);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	set_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
 * e1000_alloc_queues - Allocate memory for all rings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
 * @adapter: board private structure to initialize
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
 * We allocate one ring per queue at run-time since we don't know the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
 * number of queues at compile-time.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	if (!adapter->tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	if (!adapter->rx_ring) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		kfree(adapter->tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
 * e1000_open - Called when a network interface is made active
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
 * Returns 0 on success, negative value on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
 * The open entry point is called when a network interface is made
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
 * active by the system (IFF_UP).  At this point all resources needed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
 * for transmit and receive operations are allocated, the interrupt
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
 * handler is registered with the OS, the watchdog timer is started,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
 * and the stack is notified that the interface is ready.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
static int e1000_open(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	/* disallow open during test */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (test_bit(__E1000_TESTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	/* allocate transmit descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	err = e1000_setup_all_tx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		goto err_setup_tx;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	/* allocate receive descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	err = e1000_setup_all_rx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		goto err_setup_rx;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	e1000_power_up_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	if ((hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		e1000_update_mng_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	/* before we allocate an interrupt, we must be ready to handle it.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	 * as soon as we call pci_request_irq, so we have to setup our
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	 * clean_rx handler before we do so.  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	e1000_configure(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	err = e1000_request_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		goto err_req_irq;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	/* From here on the code is the same as e1000_up() */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	clear_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
2469
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1426
	if (!adapter->ecdev) {
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1427
		napi_enable(&adapter->napi);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1428
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1429
		e1000_irq_enable(adapter);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1430
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1431
		netif_start_queue(netdev);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2386
diff changeset
  1432
	}
2386
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	/* fire a link status change interrupt to start the watchdog */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	ew32(ICS, E1000_ICS_LSC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
err_req_irq:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	e1000_power_down_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	e1000_free_all_rx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
err_setup_rx:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	e1000_free_all_tx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
err_setup_tx:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
 * e1000_close - Disables a network interface
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
 * Returns 0, this is not allowed to fail
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
 * The close entry point is called when an interface is de-activated
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
 * by the OS.  The hardware is still under the drivers control, but
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
 * needs to be disabled.  A global MAC reset is issued to stop the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
 * hardware, and all transmit and receive resources are freed.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
static int e1000_close(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	e1000_power_down_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	e1000_free_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	e1000_free_all_tx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	e1000_free_all_rx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	/* kill manageability vlan ID if supported, but not if a vlan with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	 * the same ID is registered on the host OS (let 8021q kill it) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	if ((hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	     !(adapter->vlgrp &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
 * @start: address of beginning of memory
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
 * @len: length of memory
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
				  unsigned long len)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	unsigned long begin = (unsigned long)start;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	unsigned long end = begin + len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	/* First rev 82545 and 82546 need to not allow any memory
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	 * write location to cross 64k boundary due to errata 23 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	if (hw->mac_type == e1000_82545 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	    hw->mac_type == e1000_ce4100 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	    hw->mac_type == e1000_82546) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
 * @txdr:    tx descriptor ring (for a specific queue) to setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
 * Return 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
				    struct e1000_tx_ring *txdr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	int size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	size = sizeof(struct e1000_buffer) * txdr->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	txdr->buffer_info = vzalloc(size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	if (!txdr->buffer_info) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	/* round up to nearest 4K */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	txdr->size = ALIGN(txdr->size, 4096);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
					GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	if (!txdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
setup_tx_desc_die:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		vfree(txdr->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		void *olddesc = txdr->desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		dma_addr_t olddma = txdr->dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		      txdr->size, txdr->desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
						&txdr->dma, GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		if (!txdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
			goto setup_tx_desc_die;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
			/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
					  txdr->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
			e_err(probe, "Unable to allocate aligned memory "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
			      "for the transmit descriptor ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
			vfree(txdr->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
			return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
			/* Free old allocation, new allocation was successful */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	memset(txdr->desc, 0, txdr->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	txdr->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	txdr->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
 * 				  (Descriptors) for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
 * Return 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	int i, err = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	for (i = 0; i < adapter->num_tx_queues; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
			for (i-- ; i >= 0; i--)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
				e1000_free_tx_resources(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
							&adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
 * Configure the Tx unit of the MAC after a reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
static void e1000_configure_tx(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	u64 tdba;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	u32 tdlen, tctl, tipg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	u32 ipgr1, ipgr2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	/* Setup the HW Tx Head and Tail descriptor pointers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	switch (adapter->num_tx_queues) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		tdba = adapter->tx_ring[0].dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		tdlen = adapter->tx_ring[0].count *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
			sizeof(struct e1000_tx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		ew32(TDLEN, tdlen);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		ew32(TDBAH, (tdba >> 32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		ew32(TDT, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		ew32(TDH, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	/* Set the default values for the Tx Inter Packet Gap timer */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	if ((hw->media_type == e1000_media_type_fiber ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	     hw->media_type == e1000_media_type_internal_serdes))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		tipg = DEFAULT_82542_TIPG_IPGT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	ew32(TIPG, tipg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	/* Set the Tx Interrupt Delay register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	ew32(TIDV, adapter->tx_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	if (hw->mac_type >= e1000_82540)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		ew32(TADV, adapter->tx_abs_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	/* Program the Transmit Control Register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	tctl &= ~E1000_TCTL_CT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	/* Setup Transmit Descriptor Settings for eop descriptor */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	/* only set IDE if we are delaying interrupts using the timers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	if (adapter->tx_int_delay)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	if (hw->mac_type < e1000_82543)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	/* Cache if we're 82544 running in PCI-X because we'll
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	 * need this to apply a workaround later in the send path. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	if (hw->mac_type == e1000_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	    hw->bus_type == e1000_bus_type_pcix)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		adapter->pcix_82544 = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
				    struct e1000_rx_ring *rxdr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	int size, desc_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	size = sizeof(struct e1000_buffer) * rxdr->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	rxdr->buffer_info = vzalloc(size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	if (!rxdr->buffer_info) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	desc_len = sizeof(struct e1000_rx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	/* Round up to nearest 4K */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	rxdr->size = rxdr->count * desc_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	rxdr->size = ALIGN(rxdr->size, 4096);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
					GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	if (!rxdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
setup_rx_desc_die:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		vfree(rxdr->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		void *olddesc = rxdr->desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		dma_addr_t olddma = rxdr->dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		      rxdr->size, rxdr->desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
						&rxdr->dma, GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		if (!rxdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
			e_err(probe, "Unable to allocate memory for the Rx "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			      "descriptor ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			goto setup_rx_desc_die;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
			/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
					  rxdr->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
			e_err(probe, "Unable to allocate aligned memory for "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
			      "the Rx descriptor ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
			goto setup_rx_desc_die;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
			/* Free old allocation, new allocation was successful */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	memset(rxdr->desc, 0, rxdr->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	rxdr->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	rxdr->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	rxdr->rx_skb_top = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
 * 				  (Descriptors) for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
 * Return 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	int i, err = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	for (i = 0; i < adapter->num_rx_queues; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
			for (i-- ; i >= 0; i--)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
				e1000_free_rx_resources(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
							&adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
 * e1000_setup_rctl - configure the receive control registers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
 * @adapter: Board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
static void e1000_setup_rctl(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	if (hw->tbi_compatibility_on == 1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		rctl |= E1000_RCTL_SBP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		rctl &= ~E1000_RCTL_SBP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
		rctl &= ~E1000_RCTL_LPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
		rctl |= E1000_RCTL_LPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	/* Setup buffer sizes */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	rctl &= ~E1000_RCTL_SZ_4096;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	rctl |= E1000_RCTL_BSEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	switch (adapter->rx_buffer_len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		case E1000_RXBUFFER_2048:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			rctl |= E1000_RCTL_SZ_2048;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			rctl &= ~E1000_RCTL_BSEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		case E1000_RXBUFFER_4096:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			rctl |= E1000_RCTL_SZ_4096;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		case E1000_RXBUFFER_8192:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
			rctl |= E1000_RCTL_SZ_8192;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		case E1000_RXBUFFER_16384:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			rctl |= E1000_RCTL_SZ_16384;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
 * Configure the Rx unit of the MAC after a reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
static void e1000_configure_rx(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	u64 rdba;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	u32 rdlen, rctl, rxcsum;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		rdlen = adapter->rx_ring[0].count *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		        sizeof(struct e1000_rx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		rdlen = adapter->rx_ring[0].count *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		        sizeof(struct e1000_rx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		adapter->clean_rx = e1000_clean_rx_irq;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	/* disable receives while setting up the descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	/* set the Receive Delay Timer Register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	ew32(RDTR, adapter->rx_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	if (hw->mac_type >= e1000_82540) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		ew32(RADV, adapter->rx_abs_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		if (adapter->itr_setting != 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
			ew32(ITR, 1000000000 / (adapter->itr * 256));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	 * the Base and Length of the Rx Descriptor Ring */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	switch (adapter->num_rx_queues) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		rdba = adapter->rx_ring[0].dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
		ew32(RDLEN, rdlen);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
		ew32(RDBAH, (rdba >> 32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		ew32(RDT, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		ew32(RDH, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		rxcsum = er32(RXCSUM);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		if (adapter->rx_csum)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			rxcsum |= E1000_RXCSUM_TUOFL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
			/* don't need to clear IPPCSE as it defaults to 0 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
			rxcsum &= ~E1000_RXCSUM_TUOFL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		ew32(RXCSUM, rxcsum);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	/* Enable Receives */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
 * e1000_free_tx_resources - Free Tx Resources per Queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
 * @tx_ring: Tx descriptor ring for a specific queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
 * Free all transmit software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
				    struct e1000_tx_ring *tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	e1000_clean_tx_ring(adapter, tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	vfree(tx_ring->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	tx_ring->buffer_info = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
			  tx_ring->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	tx_ring->desc = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 * Free all transmit software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	for (i = 0; i < adapter->num_tx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
					     struct e1000_buffer *buffer_info)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	if (buffer_info->dma) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		if (buffer_info->mapped_as_page)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
				       buffer_info->length, DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
					 buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
					 DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	if (buffer_info->skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		dev_kfree_skb_any(buffer_info->skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	buffer_info->time_stamp = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	/* buffer_info must be completely set up in the transmit path */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * e1000_clean_tx_ring - Free Tx Buffers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
 * @tx_ring: ring to be cleaned
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
				struct e1000_tx_ring *tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	unsigned long size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	/* Free all the Tx ring sk_buffs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	for (i = 0; i < tx_ring->count; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	size = sizeof(struct e1000_buffer) * tx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	memset(tx_ring->buffer_info, 0, size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	/* Zero out the descriptor ring */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	memset(tx_ring->desc, 0, tx_ring->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	tx_ring->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	tx_ring->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	tx_ring->last_tx_tso = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	writel(0, hw->hw_addr + tx_ring->tdh);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	writel(0, hw->hw_addr + tx_ring->tdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	for (i = 0; i < adapter->num_tx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 * e1000_free_rx_resources - Free Rx Resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
 * @rx_ring: ring to clean the resources from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
 * Free all receive software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
				    struct e1000_rx_ring *rx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	e1000_clean_rx_ring(adapter, rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	vfree(rx_ring->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	rx_ring->buffer_info = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
			  rx_ring->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	rx_ring->desc = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 * Free all receive software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	for (i = 0; i < adapter->num_rx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
 * @rx_ring: ring to free buffers from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
				struct e1000_rx_ring *rx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	unsigned long size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	/* Free all the Rx ring sk_buffs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	for (i = 0; i < rx_ring->count; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		if (buffer_info->dma &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
		    adapter->clean_rx == e1000_clean_rx_irq) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
			dma_unmap_single(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
			                 buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
					 DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
		} else if (buffer_info->dma &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
			dma_unmap_page(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
				       buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
				       DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
		if (buffer_info->page) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			put_page(buffer_info->page);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
			buffer_info->page = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
		if (buffer_info->skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
			dev_kfree_skb(buffer_info->skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	/* there also may be some cached data from a chained receive */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	if (rx_ring->rx_skb_top) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
		dev_kfree_skb(rx_ring->rx_skb_top);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
		rx_ring->rx_skb_top = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	size = sizeof(struct e1000_buffer) * rx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	memset(rx_ring->buffer_info, 0, size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	/* Zero out the descriptor ring */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	memset(rx_ring->desc, 0, rx_ring->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	rx_ring->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	rx_ring->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	writel(0, hw->hw_addr + rx_ring->rdh);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	writel(0, hw->hw_addr + rx_ring->rdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	for (i = 0; i < adapter->num_rx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
 * and memory write and invalidate disabled for certain operations
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	e1000_pci_clear_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	rctl |= E1000_RCTL_RST;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	mdelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	if (!adapter->ecdev && netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
		e1000_clean_all_rx_rings(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	rctl &= ~E1000_RCTL_RST;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	mdelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
		e1000_pci_set_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	if (!adapter->netdev && netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		/* No need to loop, because 82542 supports only 1 queue */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		e1000_configure_rx(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
			/* fill rx ring completely! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			adapter->alloc_rx_buf(adapter, ring, ring->count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
			/* this one leaves the last ring element unallocated! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
 * e1000_set_mac - Change the Ethernet Address of the NIC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
 * @p: pointer to an address structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
static int e1000_set_mac(struct net_device *netdev, void *p)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	struct sockaddr *addr = p;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	if (!is_valid_ether_addr(addr->sa_data))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
		return -EADDRNOTAVAIL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	/* 82542 2.0 needs to be in reset to write receive address registers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		e1000_enter_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	e1000_rar_set(hw, hw->mac_addr, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		e1000_leave_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 * The set_rx_mode entry point is called whenever the unicast or multicast
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 * address lists or the network interface flags are updated. This routine is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 * responsible for configuring the hardware for proper unicast, multicast,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
 * promiscuous mode, and all-multi behavior.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
static void e1000_set_rx_mode(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	struct netdev_hw_addr *ha;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	bool use_uc = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	u32 hash_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	int i, rar_entries = E1000_RAR_ENTRIES;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	if (!mcarray) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
		e_err(probe, "memory allocation failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	/* Check for Promiscuous and All Multicast modes */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	if (netdev->flags & IFF_PROMISC) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		rctl &= ~E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		if (netdev->flags & IFF_ALLMULTI)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
			rctl |= E1000_RCTL_MPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
			rctl &= ~E1000_RCTL_MPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		/* Enable VLAN filter if there is a VLAN */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		if (adapter->vlgrp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			rctl |= E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	if (netdev_uc_count(netdev) > rar_entries - 1) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		rctl |= E1000_RCTL_UPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	} else if (!(netdev->flags & IFF_PROMISC)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		rctl &= ~E1000_RCTL_UPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
		use_uc = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	/* 82542 2.0 needs to be in reset to write receive address registers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
		e1000_enter_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	/* load the first 14 addresses into the exact filters 1-14. Unicast
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	 * addresses take precedence to avoid disabling unicast filtering
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	 * when possible.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	 * RAR 0 is used for the station MAC address
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	 * if there are not 14 addresses, go ahead and clear the filters
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	i = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	if (use_uc)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
		netdev_for_each_uc_addr(ha, netdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			if (i == rar_entries)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
			e1000_rar_set(hw, ha->addr, i++);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	netdev_for_each_mc_addr(ha, netdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		if (i == rar_entries) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			/* load any remaining addresses into the hash table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
			u32 hash_reg, hash_bit, mta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
			hash_reg = (hash_value >> 5) & 0x7F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			hash_bit = hash_value & 0x1F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
			mta = (1 << hash_bit);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			mcarray[hash_reg] |= mta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
			e1000_rar_set(hw, ha->addr, i++);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	for (; i < rar_entries; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	/* write the hash table completely, write from bottom to avoid
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	 * both stupid write combining chipsets, and flushing each write */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		 * If we are on an 82544 has an errata where writing odd
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		 * offsets overwrites the previous even offset, but writing
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
		 * backwards over the range solves the issue by always
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		 * writing the odd offset first
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		e1000_leave_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	kfree(mcarray);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
/* Need to wait a few seconds after link up to get diagnostic information from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
 * the phy */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
static void e1000_update_phy_info(unsigned long data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	schedule_work(&adapter->phy_info_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
static void e1000_update_phy_info_task(struct work_struct *work)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	struct e1000_adapter *adapter = container_of(work,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	                                             struct e1000_adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	                                             phy_info_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	rtnl_lock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	e1000_phy_get_info(hw, &adapter->phy_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	rtnl_unlock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
 * e1000_82547_tx_fifo_stall - Timer Call-back
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
 * @data: pointer to adapter cast into an unsigned long
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
static void e1000_82547_tx_fifo_stall(unsigned long data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	schedule_work(&adapter->fifo_stall_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
 * e1000_82547_tx_fifo_stall_task - task to complete work
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
 * @work: work struct contained inside adapter struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	struct e1000_adapter *adapter = container_of(work,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	                                             struct e1000_adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	                                             fifo_stall_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	u32 tctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	rtnl_lock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
	if (atomic_read(&adapter->tx_fifo_stall)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		if ((er32(TDT) == er32(TDH)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		   (er32(TDFT) == er32(TDFH)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		   (er32(TDFTS) == er32(TDFHS))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
			tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			ew32(TDFT, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			ew32(TDFH, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			ew32(TDFTS, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			ew32(TDFHS, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
			ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
			E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
			adapter->tx_fifo_head = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			atomic_set(&adapter->tx_fifo_stall, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
				netif_wake_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	rtnl_unlock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
bool e1000_has_link(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	bool link_active = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	/* get_link_status is set on LSC (link status) interrupt or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	 * rx sequence error interrupt.  get_link_status will stay
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 * false until the e1000_check_for_link establishes link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	 * for copper adapters ONLY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	switch (hw->media_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	case e1000_media_type_copper:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		if (hw->get_link_status) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			link_active = !hw->get_link_status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
			link_active = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	case e1000_media_type_fiber:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	case e1000_media_type_internal_serdes:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		link_active = hw->serdes_has_link;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	return link_active;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
 * e1000_watchdog - Timer Call-back
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
 * @data: pointer to adapter cast into an unsigned long
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
static void e1000_watchdog(unsigned long data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	struct e1000_tx_ring *txdr = adapter->tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	u32 link, tctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	link = e1000_has_link(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		goto link_up;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	if (link) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
			u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
			bool txb2b __attribute__ ((unused)) = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
			/* update snapshot of PHY registers on LSC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			e1000_get_speed_and_duplex(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
			                           &adapter->link_speed,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			                           &adapter->link_duplex);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
			ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
			pr_info("%s NIC Link is Up %d Mbps %s, "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
				"Flow Control: %s\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
				netdev->name,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
				adapter->link_speed,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
				adapter->link_duplex == FULL_DUPLEX ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
				"Full Duplex" : "Half Duplex",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
				E1000_CTRL_TFCE) ? "TX" : "None")));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			/* adjust timeout factor according to speed/duplex */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			adapter->tx_timeout_factor = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
			switch (adapter->link_speed) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			case SPEED_10:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
				txb2b = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
				adapter->tx_timeout_factor = 16;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
			case SPEED_100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
				txb2b = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
				/* maybe add some timeout factor ? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
			/* enable transmits in the hardware */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
			tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
			tctl |= E1000_TCTL_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
			ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
			if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
				ecdev_set_link(adapter->ecdev, 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
				netif_carrier_on(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
				if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
					mod_timer(&adapter->phy_info_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
							round_jiffies(jiffies + 2 * HZ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			adapter->smartspeed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			adapter->link_speed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			adapter->link_duplex = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			pr_info("%s NIC Link is Down\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
				netdev->name);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
				ecdev_set_link(adapter->ecdev, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
				netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
				if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
					mod_timer(&adapter->phy_info_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
							round_jiffies(jiffies + 2 * HZ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		e1000_smartspeed(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
link_up:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	e1000_update_stats(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	adapter->tpt_old = adapter->stats.tpt;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	adapter->colc_old = adapter->stats.colc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	adapter->gorcl_old = adapter->stats.gorcl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	adapter->gotcl_old = adapter->stats.gotcl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	e1000_update_adaptive(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
			/* We've lost link, so the controller stops DMA,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
			 * but we've got queued Tx work that's never going
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			 * to get done, so reset controller to flush Tx.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			 * (Do the reset outside of interrupt context). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			adapter->tx_timeout_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			schedule_work(&adapter->reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			/* return immediately since reset is imminent */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	/* Simple mode for Interrupt Throttle Rate (ITR) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		 * Total asymmetrical Tx or Rx gets ITR=8000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		 * everyone else is between 2000-8000.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		u32 dif = (adapter->gotcl > adapter->gorcl ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			    adapter->gotcl - adapter->gorcl :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			    adapter->gorcl - adapter->gotcl) / 10000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
		ew32(ITR, 1000000000 / (itr * 256));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	/* Cause software interrupt to ensure rx ring is cleaned */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	ew32(ICS, E1000_ICS_RXDMT0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	/* Force detection of hung controller every watchdog period */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		adapter->detect_tx_hung = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	/* Reset the timer */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
			mod_timer(&adapter->watchdog_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
			          round_jiffies(jiffies + 2 * HZ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
enum latency_range {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	lowest_latency = 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	low_latency = 1,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	bulk_latency = 2,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	latency_invalid = 255
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
 * e1000_update_itr - update the dynamic ITR value based on statistics
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
 * @adapter: pointer to adapter
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
 * @itr_setting: current adapter->itr
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
 * @packets: the number of packets during this measurement interval
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
 * @bytes: the number of bytes during this measurement interval
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
 *      Stores a new ITR value based on packets and byte
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
 *      counts during the last interrupt.  The advantage of per interrupt
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 *      computation is faster updates and more accurate ITR for the current
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 *      traffic pattern.  Constants in this function were computed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *      based on theoretical maximum wire speed and thresholds were set based
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 *      on testing data as well as attempting to minimize response time
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 *      while increasing bulk throughput.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 *      this functionality is controlled by the InterruptThrottleRate module
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
 *      parameter (see e1000_param.c)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
				     u16 itr_setting, int packets, int bytes)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	unsigned int retval = itr_setting;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	if (unlikely(hw->mac_type < e1000_82540))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		goto update_itr_done;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	if (packets == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		goto update_itr_done;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	switch (itr_setting) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	case lowest_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		/* jumbo frames get bulk treatment*/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		if (bytes/packets > 8000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		else if ((packets < 5) && (bytes > 512))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
			retval = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	case low_latency:  /* 50 usec aka 20000 ints/s */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		if (bytes > 10000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			/* jumbo frames need bulk latency setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			if (bytes/packets > 8000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
				retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			else if ((packets < 10) || ((bytes/packets) > 1200))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
				retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
			else if ((packets > 35))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
				retval = lowest_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		} else if (bytes/packets > 2000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
		else if (packets <= 2 && bytes < 512)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
			retval = lowest_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	case bulk_latency: /* 250 usec aka 4000 ints/s */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		if (bytes > 25000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
			if (packets > 35)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
				retval = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		} else if (bytes < 6000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
			retval = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
update_itr_done:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
static void e1000_set_itr(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	u16 current_itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	u32 new_itr = adapter->itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	if (unlikely(hw->mac_type < e1000_82540))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	if (unlikely(adapter->link_speed != SPEED_1000)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		current_itr = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		new_itr = 4000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		goto set_itr_now;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	adapter->tx_itr = e1000_update_itr(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	                            adapter->tx_itr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	                            adapter->total_tx_packets,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	                            adapter->total_tx_bytes);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		adapter->tx_itr = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	adapter->rx_itr = e1000_update_itr(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	                            adapter->rx_itr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	                            adapter->total_rx_packets,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	                            adapter->total_rx_bytes);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		adapter->rx_itr = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	switch (current_itr) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	/* counts and packets in update_itr are dependent on these numbers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	case lowest_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		new_itr = 70000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	case low_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		new_itr = 20000; /* aka hwitr = ~200 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	case bulk_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		new_itr = 4000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
set_itr_now:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	if (new_itr != adapter->itr) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		/* this attempts to bias the interrupt rate towards Bulk
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		 * by adding intermediate steps when interrupt rate is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		 * increasing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		new_itr = new_itr > adapter->itr ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
		             min(adapter->itr + (new_itr >> 2), new_itr) :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		             new_itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		adapter->itr = new_itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		ew32(ITR, 1000000000 / (new_itr * 256));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
#define E1000_TX_FLAGS_CSUM		0x00000001
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
#define E1000_TX_FLAGS_VLAN		0x00000002
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
#define E1000_TX_FLAGS_TSO		0x00000004
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
#define E1000_TX_FLAGS_IPV4		0x00000008
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
#define E1000_TX_FLAGS_VLAN_SHIFT	16
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
static int e1000_tso(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	struct e1000_context_desc *context_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	u32 cmd_length = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	u16 ipcse = 0, tucse, mss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	if (skb_is_gso(skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		if (skb_header_cloned(skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
			if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
				return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		mss = skb_shinfo(skb)->gso_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		if (skb->protocol == htons(ETH_P_IP)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			struct iphdr *iph = ip_hdr(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			iph->tot_len = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
			iph->check = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
								 iph->daddr, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
								 IPPROTO_TCP,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
								 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
			cmd_length = E1000_TXD_CMD_IP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
			ipcse = skb_transport_offset(skb) - 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
			ipv6_hdr(skb)->payload_len = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
			tcp_hdr(skb)->check =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
						 &ipv6_hdr(skb)->daddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
						 0, IPPROTO_TCP, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
			ipcse = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		ipcss = skb_network_offset(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		tucss = skb_transport_offset(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		tucse = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		context_desc->upper_setup.tcp_fields.tucss = tucss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		context_desc->upper_setup.tcp_fields.tucso = tucso;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		if (++i == tx_ring->count) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		tx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
static bool e1000_tx_csum(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	struct e1000_context_desc *context_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	u8 css;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	u32 cmd_len = E1000_TXD_CMD_DEXT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	if (skb->ip_summed != CHECKSUM_PARTIAL)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	switch (skb->protocol) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	case cpu_to_be16(ETH_P_IP):
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
			cmd_len |= E1000_TXD_CMD_TCP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	case cpu_to_be16(ETH_P_IPV6):
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		/* XXX not handling all IPV6 headers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
			cmd_len |= E1000_TXD_CMD_TCP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		if (unlikely(net_ratelimit()))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
			e_warn(drv, "checksum_partial proto=%x!\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
			       skb->protocol);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	css = skb_checksum_start_offset(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	context_desc->lower_setup.ip_config = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	context_desc->upper_setup.tcp_fields.tucss = css;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	context_desc->upper_setup.tcp_fields.tucso =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		css + skb->csum_offset;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	context_desc->upper_setup.tcp_fields.tucse = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	context_desc->tcp_seg_setup.data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	if (unlikely(++i == tx_ring->count)) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	tx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
#define E1000_MAX_TXD_PWR	12
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
static int e1000_tx_map(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			struct e1000_tx_ring *tx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
			struct sk_buff *skb, unsigned int first,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
			unsigned int max_per_txd, unsigned int nr_frags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
			unsigned int mss)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	unsigned int len = skb_headlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	unsigned int offset = 0, size, count = 0, i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	unsigned int f;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	while (len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		size = min(len, max_per_txd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		/* Workaround for Controller erratum --
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		 * descriptor for non-tso packet in a linear SKB that follows a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		 * tso gets written back prematurely before the data is fully
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		 * DMA'd to the controller */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		if (!skb->data_len && tx_ring->last_tx_tso &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		    !skb_is_gso(skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			tx_ring->last_tx_tso = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
			size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		/* Workaround for premature desc write-backs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		 * in TSO mode.  Append 4-byte sentinel desc */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		if (unlikely(mss && !nr_frags && size == len && size > 8))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		/* work-around for errata 10 and it applies
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		 * to all controllers in PCI-X mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		 * The fix is to make sure that the first descriptor of a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		                (size > 2015) && count == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		        size = 2015;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		 * terminating buffers within evenly-aligned dwords. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		if (unlikely(adapter->pcix_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		   size > 4))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
			size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		buffer_info->length = size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		/* set time_stamp *before* dma to help avoid a possible race */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		buffer_info->mapped_as_page = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		buffer_info->dma = dma_map_single(&pdev->dev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
						  skb->data + offset,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
						  size,	DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
			goto dma_error;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		len -= size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		offset += size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		if (len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
			i++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
			if (unlikely(i == tx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
				i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	for (f = 0; f < nr_frags; f++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		struct skb_frag_struct *frag;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		frag = &skb_shinfo(skb)->frags[f];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		len = frag->size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		offset = frag->page_offset;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		while (len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
			i++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			if (unlikely(i == tx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
				i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
			buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
			size = min(len, max_per_txd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
			/* Workaround for premature desc write-backs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
			 * in TSO mode.  Append 4-byte sentinel desc */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
				size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
			/* Workaround for potential 82544 hang in PCI-X.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
			 * Avoid terminating buffers within evenly-aligned
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
			 * dwords. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
			if (unlikely(adapter->pcix_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
			    !((unsigned long)(page_to_phys(frag->page) + offset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
			                      + size - 1) & 4) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
			    size > 4))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
				size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
			buffer_info->length = size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
			buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
			buffer_info->mapped_as_page = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
							offset,	size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
							DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
				goto dma_error;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
			buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
			len -= size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
			offset += size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
			count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	tx_ring->buffer_info[i].skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	tx_ring->buffer_info[first].next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	return count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
dma_error:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	dev_err(&pdev->dev, "TX DMA map failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	if (count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
		count--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	while (count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		if (i==0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
			i += tx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
		i--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
static void e1000_tx_queue(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
			   struct e1000_tx_ring *tx_ring, int tx_flags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
			   int count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	struct e1000_tx_desc *tx_desc = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		             E1000_TXD_CMD_TSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		txd_lower |= E1000_TXD_CMD_VLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	while (count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		tx_desc = E1000_TX_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		tx_desc->lower.data =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
			cpu_to_le32(txd_lower | buffer_info->length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		tx_desc->upper.data = cpu_to_le32(txd_upper);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		if (unlikely(++i == tx_ring->count)) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	/* Force memory writes to complete before letting h/w
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	 * know there are new descriptors to fetch.  (Only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	 * applicable for weak-ordered memory model archs,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	 * such as IA-64). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	wmb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	tx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	writel(i, hw->hw_addr + tx_ring->tdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	/* we need this if more than one processor can write to our tail
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	 * at a time, it syncronizes IO on IA64/Altix systems */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	mmiowb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
 * 82547 workaround to avoid controller hang in half-duplex environment.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
 * The workaround is to avoid queuing a large packet that would span
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
 * the internal Tx FIFO ring boundary by notifying the stack to resend
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
 * to the beginning of the Tx FIFO.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
#define E1000_FIFO_HDR			0x10
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
#define E1000_82547_PAD_LEN		0x3E0
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
				       struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	if (adapter->link_duplex != HALF_DUPLEX)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		goto no_fifo_stall_required;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	if (atomic_read(&adapter->tx_fifo_stall))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
		return 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		atomic_set(&adapter->tx_fifo_stall, 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		return 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
no_fifo_stall_required:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	adapter->tx_fifo_head += skb_fifo_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
2471
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3109
	if (adapter->ecdev) {
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3110
		return -EBUSY;
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3111
	}
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3112
2386
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	netif_stop_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	/* Herbert's original patch had:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	 *  smp_mb__after_netif_stop_queue();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	 * but since that doesn't exist yet, just open code it. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	smp_mb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	/* We need to check again in a case another CPU has just
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	 * made room available. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	/* A reprieve! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	netif_start_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	++adapter->restart_queue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
static int e1000_maybe_stop_tx(struct net_device *netdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
                               struct e1000_tx_ring *tx_ring, int size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	return __e1000_maybe_stop_tx(netdev, size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
				    struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	struct e1000_tx_ring *tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	unsigned int tx_flags = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	unsigned int len = skb_headlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	unsigned int nr_frags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	unsigned int mss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	int count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	int tso;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	unsigned int f;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	/* This goes back to the question of how to logically map a tx queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	 * to a flow.  Right now, performance is impacted slightly negatively
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	 * if using multiple tx queues.  If the stack breaks away from a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	 * single qdisc implementation, we can look at this again. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	tx_ring = adapter->tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	if (unlikely(skb->len <= 0)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
			dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
		return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	mss = skb_shinfo(skb)->gso_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	/* The controller does a simple calculation to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	 * make sure there is enough room in the FIFO before
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	 * initiating the DMA for each buffer.  The calc is:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	 * 4 = ceil(buffer len/mss).  To make sure we don't
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	 * overrun the FIFO, adjust the max buffer len if mss
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	 * drops. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	if (mss) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		u8 hdr_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
		max_per_txd = min(mss << 2, max_per_txd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		max_txd_pwr = fls(max_per_txd) - 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
		if (skb->data_len && hdr_len == len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
			switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
				unsigned int pull_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
			case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
				/* Make sure we have room to chop off 4 bytes,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
				 * and that the end alignment will work out to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
				 * this hardware's requirements
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
				 * NOTE: this is a TSO only workaround
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
				 * if end byte alignment not correct move us
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
				 * into the next dword */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
				/* fall through */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
				pull_size = min((unsigned int)4, skb->data_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
				if (!__pskb_pull_tail(skb, pull_size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
					e_err(drv, "__pskb_pull_tail "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
					      "failed.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
					dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
					return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
				len = skb_headlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
			default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
				/* do nothing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	/* reserve a descriptor for the offload context */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	/* Controller Erratum workaround */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	count += TXD_USE_COUNT(len, max_txd_pwr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (adapter->pcix_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	/* work-around for errata 10 and it applies to all controllers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	 * in PCI-X mode, so add one more descriptor to the count
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
			(len > 2015)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	nr_frags = skb_shinfo(skb)->nr_frags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	for (f = 0; f < nr_frags; f++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
				       max_txd_pwr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	if (adapter->pcix_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		count += nr_frags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	/* need: count + 2 desc gap to keep tail from touching
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	 * head, otherwise try next time */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		return NETDEV_TX_BUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	if (unlikely(hw->mac_type == e1000_82547)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
				netif_stop_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
				if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
					mod_timer(&adapter->tx_fifo_stall_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
					          jiffies + 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
			return NETDEV_TX_BUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	if (unlikely(vlan_tx_tag_present(skb))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
		tx_flags |= E1000_TX_FLAGS_VLAN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	first = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	tso = e1000_tso(adapter, tx_ring, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	if (tso < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
			dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	if (likely(tso)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
		if (likely(hw->mac_type != e1000_82544))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
			tx_ring->last_tx_tso = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
		tx_flags |= E1000_TX_FLAGS_TSO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		tx_flags |= E1000_TX_FLAGS_CSUM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	if (likely(skb->protocol == htons(ETH_P_IP)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		tx_flags |= E1000_TX_FLAGS_IPV4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	                     nr_frags, mss);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	if (count) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
			/* Make sure there is space in the ring for the next send. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
			dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		tx_ring->buffer_info[first].time_stamp = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
		tx_ring->next_to_use = first;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
 * e1000_tx_timeout - Respond to a Tx Hang
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
static void e1000_tx_timeout(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	/* Do the reset outside of interrupt context */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	adapter->tx_timeout_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	schedule_work(&adapter->reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
static void e1000_reset_task(struct work_struct *work)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	struct e1000_adapter *adapter =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
		container_of(work, struct e1000_adapter, reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	e1000_reinit_safe(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
 * e1000_get_stats - Get System Network Statistics
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
 * Returns the address of the device statistics structure.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
 * The statistics are actually updated from the timer callback.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	/* only return the current stats */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	return &netdev->stats;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
 * e1000_change_mtu - Change the Maximum Transfer Unit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
 * @new_mtu: new value for maximum frame size
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		e_err(probe, "Invalid MTU setting\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		return -EINVAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	/* Adapter-specific max frame size limits. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	case e1000_undefined ... e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
			e_err(probe, "Jumbo Frames not supported.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
			return -EINVAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	/* e1000_down has a dependency on max_frame_size */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	hw->max_frame_size = max_frame;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	 * means we reserve 2 more, this pushes us to allocate from the next
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	 * larger slab size.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	 * i.e. RXBUFFER_2048 --> size-4096 slab
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	 *  fragmented skbs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	if (max_frame <= E1000_RXBUFFER_2048)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		adapter->rx_buffer_len = PAGE_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	/* adjust allocation if LPE protects us, and we aren't using SBP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	if (!hw->tbi_compatibility_on &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	pr_info("%s changing MTU from %d to %d\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		netdev->name, netdev->mtu, new_mtu);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	netdev->mtu = new_mtu;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	clear_bit(__E1000_RESETTING, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
 * e1000_update_stats - Update the board statistics counters
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
void e1000_update_stats(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	unsigned long flags = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	u16 phy_tmp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	 * Prevent stats update while adapter is being reset, or if the pci
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	 * connection is down.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	if (adapter->link_speed == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	if (pci_channel_offline(pdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	/* these counters are modified from e1000_tbi_adjust_stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	 * called from the interrupt context, so they must only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 * be written while holding adapter->stats_lock
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	adapter->stats.crcerrs += er32(CRCERRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	adapter->stats.gprc += er32(GPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	adapter->stats.gorcl += er32(GORCL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	adapter->stats.gorch += er32(GORCH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	adapter->stats.bprc += er32(BPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	adapter->stats.mprc += er32(MPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	adapter->stats.roc += er32(ROC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	adapter->stats.prc64 += er32(PRC64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	adapter->stats.prc127 += er32(PRC127);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	adapter->stats.prc255 += er32(PRC255);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	adapter->stats.prc511 += er32(PRC511);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	adapter->stats.prc1023 += er32(PRC1023);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	adapter->stats.prc1522 += er32(PRC1522);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	adapter->stats.symerrs += er32(SYMERRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	adapter->stats.mpc += er32(MPC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	adapter->stats.scc += er32(SCC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	adapter->stats.ecol += er32(ECOL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	adapter->stats.mcc += er32(MCC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	adapter->stats.latecol += er32(LATECOL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	adapter->stats.dc += er32(DC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	adapter->stats.sec += er32(SEC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	adapter->stats.rlec += er32(RLEC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	adapter->stats.xonrxc += er32(XONRXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	adapter->stats.xontxc += er32(XONTXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	adapter->stats.xoffrxc += er32(XOFFRXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	adapter->stats.xofftxc += er32(XOFFTXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	adapter->stats.fcruc += er32(FCRUC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	adapter->stats.gptc += er32(GPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	adapter->stats.gotcl += er32(GOTCL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	adapter->stats.gotch += er32(GOTCH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	adapter->stats.rnbc += er32(RNBC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	adapter->stats.ruc += er32(RUC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	adapter->stats.rfc += er32(RFC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	adapter->stats.rjc += er32(RJC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	adapter->stats.torl += er32(TORL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	adapter->stats.torh += er32(TORH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	adapter->stats.totl += er32(TOTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	adapter->stats.toth += er32(TOTH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	adapter->stats.tpr += er32(TPR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	adapter->stats.ptc64 += er32(PTC64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	adapter->stats.ptc127 += er32(PTC127);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	adapter->stats.ptc255 += er32(PTC255);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	adapter->stats.ptc511 += er32(PTC511);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	adapter->stats.ptc1023 += er32(PTC1023);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	adapter->stats.ptc1522 += er32(PTC1522);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	adapter->stats.mptc += er32(MPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	adapter->stats.bptc += er32(BPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	/* used for adaptive IFS */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	hw->tx_packet_delta = er32(TPT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	adapter->stats.tpt += hw->tx_packet_delta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	hw->collision_delta = er32(COLC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	adapter->stats.colc += hw->collision_delta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		adapter->stats.algnerrc += er32(ALGNERRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		adapter->stats.rxerrc += er32(RXERRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
		adapter->stats.tncrs += er32(TNCRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		adapter->stats.cexterr += er32(CEXTERR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		adapter->stats.tsctc += er32(TSCTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		adapter->stats.tsctfc += er32(TSCTFC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	/* Fill out the OS statistics structure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	netdev->stats.multicast = adapter->stats.mprc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	netdev->stats.collisions = adapter->stats.colc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	/* Rx Errors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	/* RLEC on some newer hardware can be incorrect so build
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	* our own version based on RUC and ROC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	netdev->stats.rx_errors = adapter->stats.rxerrc +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		adapter->stats.crcerrs + adapter->stats.algnerrc +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		adapter->stats.ruc + adapter->stats.roc +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		adapter->stats.cexterr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	/* Tx Errors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	netdev->stats.tx_errors = adapter->stats.txerrc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	netdev->stats.tx_window_errors = adapter->stats.latecol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	if (hw->bad_tx_carr_stats_fd &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	    adapter->link_duplex == FULL_DUPLEX) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
		netdev->stats.tx_carrier_errors = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		adapter->stats.tncrs = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	/* Tx Dropped needs to be maintained elsewhere */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	/* Phy Stats */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		if ((adapter->link_speed == SPEED_1000) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
			adapter->phy_stats.idle_errors += phy_tmp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
		if ((hw->mac_type <= e1000_82546) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
		   (hw->phy_type == e1000_phy_m88) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
			adapter->phy_stats.receive_errors += phy_tmp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	/* Management Stats */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	if (hw->has_smbus) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		adapter->stats.mgptc += er32(MGTPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		adapter->stats.mgprc += er32(MGTPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		adapter->stats.mgpdc += er32(MGTPDC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
void ec_poll(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
		e1000_watchdog((unsigned long) adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		adapter->ec_watchdog_jiffies = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	e1000_intr(0, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
 * e1000_intr - Interrupt Handler
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
 * @irq: interrupt number
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
 * @data: pointer to a network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
static irqreturn_t e1000_intr(int irq, void *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	struct net_device *netdev = data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	u32 icr = er32(ICR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	if (unlikely((!icr)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		return IRQ_NONE;  /* Not our interrupt */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	 * we might have caused the interrupt, but the above
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	 * read cleared it, and just in case the driver is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	 * down there is nothing to do so return handled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		return IRQ_HANDLED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		hw->get_link_status = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		/* guard against interrupt when we're going down */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		int i, ec_work_done = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		for (i = 0; i < E1000_MAX_INTR; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
							&ec_work_done, 100) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		/* disable interrupts, without the synchronize_irq bit */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		ew32(IMC, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		if (likely(napi_schedule_prep(&adapter->napi))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
			adapter->total_tx_bytes = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
			adapter->total_tx_packets = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
			adapter->total_rx_bytes = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
			adapter->total_rx_packets = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
			__napi_schedule(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
			/* this really should not happen! if it does it is basically a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
			 * bug, but not a hard error, so enable ints and continue */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
			if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
				e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	return IRQ_HANDLED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
 * e1000_clean - NAPI Rx polling callback
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
 * EtherCAT: never called
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
static int e1000_clean(struct napi_struct *napi, int budget)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	int tx_clean_complete = 0, work_done = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	if (!tx_clean_complete)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		work_done = budget;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	/* If budget not fully consumed, exit the polling mode */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	if (work_done < budget) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		if (likely(adapter->itr_setting & 3))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
			e1000_set_itr(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		napi_complete(napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
			e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	return work_done;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
			       struct e1000_tx_ring *tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	struct e1000_tx_desc *tx_desc, *eop_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	unsigned int i, eop;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	unsigned int count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	unsigned int total_tx_bytes=0, total_tx_packets=0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	i = tx_ring->next_to_clean;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	eop = tx_ring->buffer_info[i].next_to_watch;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	       (count < tx_ring->count)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		bool cleaned = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		rmb();	/* read buffer_info after eop_desc */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		for ( ; !cleaned; count++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
			tx_desc = E1000_TX_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
			cleaned = (i == eop);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
			if (cleaned) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
				struct sk_buff *skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
				unsigned int segs, bytecount;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
				segs = skb_shinfo(skb)->gso_segs ?: 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
				/* multiply data chunks by size of headers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
				bytecount = ((segs - 1) * skb_headlen(skb)) +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
				            skb->len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
				total_tx_packets += segs;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
				total_tx_bytes += bytecount;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
			tx_desc->upper.data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			if (unlikely(++i == tx_ring->count)) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
		eop = tx_ring->buffer_info[i].next_to_watch;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	tx_ring->next_to_clean = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
#define TX_WAKE_THRESHOLD 32
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		/* Make sure that anybody stopping the queue after this
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		 * sees the new next_to_clean.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		smp_mb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		if (netif_queue_stopped(netdev) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
			netif_wake_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
			++adapter->restart_queue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	if (!adapter->ecdev && adapter->detect_tx_hung) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
		/* Detect a transmit hang in hardware, this serializes the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		 * check with the clearing of time_stamp and movement of i */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		adapter->detect_tx_hung = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		if (tx_ring->buffer_info[eop].time_stamp &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		               (adapter->tx_timeout_factor * HZ)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
			/* detected Tx unit hang */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
			e_err(drv, "Detected Tx Unit Hang\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
			      "  Tx Queue             <%lu>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
			      "  TDH                  <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
			      "  TDT                  <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
			      "  next_to_use          <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
			      "  next_to_clean        <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
			      "buffer_info[next_to_clean]\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
			      "  time_stamp           <%lx>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
			      "  next_to_watch        <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			      "  jiffies              <%lx>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
			      "  next_to_watch.status <%x>\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
				(unsigned long)((tx_ring - adapter->tx_ring) /
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
					sizeof(struct e1000_tx_ring)),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
				readl(hw->hw_addr + tx_ring->tdh),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
				readl(hw->hw_addr + tx_ring->tdt),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
				tx_ring->next_to_use,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
				tx_ring->next_to_clean,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
				tx_ring->buffer_info[eop].time_stamp,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
				eop,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
				jiffies,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
				eop_desc->upper.fields.status);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
			netif_stop_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	adapter->total_tx_bytes += total_tx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	adapter->total_tx_packets += total_tx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	netdev->stats.tx_bytes += total_tx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	netdev->stats.tx_packets += total_tx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	return count < tx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
 * e1000_rx_checksum - Receive Checksum Offload for 82543
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
 * @adapter:     board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
 * @status_err:  receive descriptor status and error fields
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
 * @csum:        receive descriptor csum field
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
 * @sk_buff:     socket buffer with received data
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
			      u32 csum, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	u16 status = (u16)status_err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	u8 errors = (u8)(status_err >> 24);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	skb_checksum_none_assert(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	/* 82543 or newer only */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	if (unlikely(hw->mac_type < e1000_82543)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	/* Ignore Checksum bit is set */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	/* TCP/UDP checksum error bit is set */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		/* let the stack verify checksum errors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		adapter->hw_csum_err++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	/* TCP/UDP Checksum has not been calculated */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	if (!(status & E1000_RXD_STAT_TCPCS))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	/* It must be a TCP or UDP packet with a valid checksum */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		/* TCP checksum is good */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		skb->ip_summed = CHECKSUM_UNNECESSARY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	adapter->hw_csum_good++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
 * e1000_consume_page - helper function
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
                               u16 length)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	bi->page = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	skb->len += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	skb->data_len += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	skb->truesize += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
 * e1000_receive_skb - helper function to handle rx indications
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
 * @status: descriptor status field as written by hardware
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
 * @skb: pointer to sk_buff to be indicated to stack
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
			      __le16 vlan, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	skb->protocol = eth_type_trans(skb, adapter->netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	if ((unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
				 le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
				 skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		napi_gro_receive(&adapter->napi, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
 * @rx_ring: ring to clean
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
 * @work_done: amount of napi work completed this call
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
 * @work_to_do: max amount of work allowed for this call to do
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
 * the return value indicates whether actual cleaning was done, there
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
 * is no guarantee that everything was cleaned
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
				     struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
				     int *work_done, int work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	struct e1000_rx_desc *rx_desc, *next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	struct e1000_buffer *buffer_info, *next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	unsigned long irq_flags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	u32 length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	int cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	bool cleaned = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	unsigned int total_rx_bytes=0, total_rx_packets=0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	i = rx_ring->next_to_clean;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	while (rx_desc->status & E1000_RXD_STAT_DD) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		u8 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		if (*work_done >= work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		(*work_done)++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		rmb(); /* read descriptor and rx_buffer_info after status DD */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		status = rx_desc->status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		if (++i == rx_ring->count) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		next_rxd = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
		prefetch(next_rxd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		next_buffer = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		cleaned = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		cleaned_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		dma_unmap_page(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
			       buffer_info->length, DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		length = le16_to_cpu(rx_desc->length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		/* errors is only valid for DD + EOP descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
		if (!adapter->ecdev &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		    unlikely((status & E1000_RXD_STAT_EOP) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
			u8 last_byte = *(skb->data + length - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
				       last_byte)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
				spin_lock_irqsave(&adapter->stats_lock,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
				                  irq_flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
				e1000_tbi_adjust_stats(hw, &adapter->stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
				                       length, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
				spin_unlock_irqrestore(&adapter->stats_lock,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
				                       irq_flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
				length--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
				/* recycle both page and skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
				/* an error means any chain goes out the window
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
				 * too */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
				if (rx_ring->rx_skb_top)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
					dev_kfree_skb(rx_ring->rx_skb_top);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
				rx_ring->rx_skb_top = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
				goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
#define rxtop rx_ring->rx_skb_top
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		if (!(status & E1000_RXD_STAT_EOP)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
			/* this descriptor is only the beginning (or middle) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
			if (!rxtop) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
				/* this is the beginning of a chain */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
				rxtop = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
				                   0, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
				/* this is the middle of a chain */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
				skb_fill_page_desc(rxtop,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
				    skb_shinfo(rxtop)->nr_frags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
				    buffer_info->page, 0, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
				/* re-use the skb, only consumed the page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
			e1000_consume_page(buffer_info, rxtop, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
			goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
			if (rxtop) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
				/* end of the chain */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
				skb_fill_page_desc(rxtop,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
				    skb_shinfo(rxtop)->nr_frags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
				    buffer_info->page, 0, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
				/* re-use the current skb, we only consumed the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
				 * page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
				skb = rxtop;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
				rxtop = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
				e1000_consume_page(buffer_info, skb, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
				/* no chain, got EOP, this buf is the packet
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
				 * copybreak to save the put_page/alloc_page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
				if (length <= copybreak &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
				    skb_tailroom(skb) >= length) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
					u8 *vaddr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
					vaddr = kmap_atomic(buffer_info->page,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
					                    KM_SKB_DATA_SOFTIRQ);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
					memcpy(skb_tail_pointer(skb), vaddr, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
					kunmap_atomic(vaddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
					              KM_SKB_DATA_SOFTIRQ);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
					/* re-use the page, so don't erase
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
					 * buffer_info->page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
					skb_put(skb, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
				} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
					skb_fill_page_desc(skb, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
					                   buffer_info->page, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
				                           length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
					e1000_consume_page(buffer_info, skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
					                   length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		e1000_rx_checksum(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		                  (u32)(status) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		                  ((u32)(rx_desc->errors) << 24),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		                  le16_to_cpu(rx_desc->csum), skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		pskb_trim(skb, skb->len - 4);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		/* probably a little skewed due to removing CRC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		total_rx_bytes += skb->len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		total_rx_packets++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		/* eth type trans needs skb->data to point to something */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		if (!pskb_may_pull(skb, ETH_HLEN)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			e_err(drv, "pskb_may_pull failed.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
			goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			ecdev_receive(adapter->ecdev, skb->data, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
			// No need to detect link status as
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
			// long as frames are received: Reset watchdog.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
			adapter->ec_watchdog_jiffies = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
next_desc:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		rx_desc->status = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		/* return some buffers to hardware, one at a time is too slow */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
			cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		/* use prefetched values */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		rx_desc = next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		buffer_info = next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	rx_ring->next_to_clean = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	if (cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	adapter->total_rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	adapter->total_rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	netdev->stats.rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	netdev->stats.rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	return cleaned;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
 * this should improve performance for small packets with large amounts
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
 * of reassembly being done in the stack
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
static void e1000_check_copybreak(struct net_device *netdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
				 struct e1000_buffer *buffer_info,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
				 u32 length, struct sk_buff **skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	struct sk_buff *new_skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	if (adapter->ecdev || length > copybreak)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	if (!new_skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
				       (*skb)->data - NET_IP_ALIGN,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
				       length + NET_IP_ALIGN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	/* save the skb in buffer_info as good */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	buffer_info->skb = *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	*skb = new_skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
 * @rx_ring: ring to clean
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
 * @work_done: amount of napi work completed this call
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
 * @work_to_do: max amount of work allowed for this call to do
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
			       struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
			       int *work_done, int work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	struct e1000_rx_desc *rx_desc, *next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	struct e1000_buffer *buffer_info, *next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	unsigned long flags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	u32 length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	int cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	bool cleaned = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	unsigned int total_rx_bytes=0, total_rx_packets=0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	i = rx_ring->next_to_clean;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	while (rx_desc->status & E1000_RXD_STAT_DD) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		u8 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		if (*work_done >= work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		(*work_done)++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		rmb(); /* read descriptor and rx_buffer_info after status DD */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		status = rx_desc->status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
		prefetch(skb->data - NET_IP_ALIGN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
		if (++i == rx_ring->count) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		next_rxd = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
		prefetch(next_rxd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
		next_buffer = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		cleaned = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		cleaned_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
		dma_unmap_single(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
				 buffer_info->length, DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		length = le16_to_cpu(rx_desc->length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
		/* !EOP means multiple descriptors were used to store a single
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
		 * packet, if thats the case we need to toss it.  In fact, we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		 * to toss every packet with the EOP bit clear and the next
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		 * frame that _does_ have the EOP bit set, as it is by
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
		 * definition only a frame fragment
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
			adapter->discarding = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		if (adapter->discarding) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
			/* All receives must fit into a single buffer */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
			e_dbg("Receive packet consumed multiple buffers\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
			/* recycle */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
			buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
			if (status & E1000_RXD_STAT_EOP)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
				adapter->discarding = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
			goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		if (!adapter->ecdev &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
			u8 last_byte = *(skb->data + length - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
				       last_byte)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
				spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
				e1000_tbi_adjust_stats(hw, &adapter->stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
				                       length, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
				spin_unlock_irqrestore(&adapter->stats_lock,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
				                       flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
				length--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
				/* recycle */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
				goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		/* adjust length to remove Ethernet CRC, this must be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		 * done after the TBI_ACCEPT workaround above */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		length -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		/* probably a little skewed due to removing CRC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		total_rx_bytes += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		total_rx_packets++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		skb_put(skb, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		/* Receive Checksum Offload */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
		e1000_rx_checksum(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
				  (u32)(status) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
				  ((u32)(rx_desc->errors) << 24),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
				  le16_to_cpu(rx_desc->csum), skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
			ecdev_receive(adapter->ecdev, skb->data, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
			// No need to detect link status as
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
			// long as frames are received: Reset watchdog.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
			adapter->ec_watchdog_jiffies = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
next_desc:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		rx_desc->status = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		/* return some buffers to hardware, one at a time is too slow */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
			cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		/* use prefetched values */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
		rx_desc = next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
		buffer_info = next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	rx_ring->next_to_clean = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	if (cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	adapter->total_rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	adapter->total_rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	netdev->stats.rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	netdev->stats.rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	return cleaned;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
 * @rx_ring: pointer to receive ring structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
 * @cleaned_count: number of buffers to allocate this pass
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
static void
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	struct e1000_rx_desc *rx_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	i = rx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	while (cleaned_count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		if (skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
			skb_trim(skb, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			goto check_page;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		if (unlikely(!skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
			/* Better luck next round */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			struct sk_buff *oldskb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			e_err(rx_err, "skb align check failed: %u bytes at "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
			      "%p\n", bufsz, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
			/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
			/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			if (!skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
				/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
				break; /* while (cleaned_count--) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
			/* Use new allocation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
			dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		buffer_info->length = adapter->rx_buffer_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
check_page:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
		/* allocate a new page if necessary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		if (!buffer_info->page) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
			buffer_info->page = alloc_page(GFP_ATOMIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
			if (unlikely(!buffer_info->page)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		if (!buffer_info->dma) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			buffer_info->dma = dma_map_page(&pdev->dev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
			                                buffer_info->page, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
							buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
							DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
				put_page(buffer_info->page);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
				buffer_info->page = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
				buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
				buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
				break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		if (unlikely(++i == rx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
			i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
	if (likely(rx_ring->next_to_use != i)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		rx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		if (unlikely(i-- == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			i = (rx_ring->count - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		/* Force memory writes to complete before letting h/w
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		 * know there are new descriptors to fetch.  (Only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		 * applicable for weak-ordered memory model archs,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		 * such as IA-64). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		wmb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
				   struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
				   int cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	struct e1000_rx_desc *rx_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	unsigned int bufsz = adapter->rx_buffer_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	i = rx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	while (cleaned_count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		if (skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
			skb_trim(skb, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			goto map_skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		if (unlikely(!skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
			/* Better luck next round */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
			struct sk_buff *oldskb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
			e_err(rx_err, "skb align check failed: %u bytes at "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
			      "%p\n", bufsz, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
			/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
			/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
			if (!skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
				/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
				break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			/* Use new allocation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		buffer_info->length = adapter->rx_buffer_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
map_skb:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		buffer_info->dma = dma_map_single(&pdev->dev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
						  skb->data,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
						  buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
						  DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
			dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
			break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		 * XXX if it was allocated cleanly it will never map to a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		 * boundary crossing
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		if (!e1000_check_64k_bound(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
					(void *)(unsigned long)buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
					adapter->rx_buffer_len)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
			e_err(rx_err, "dma align check failed: %u bytes at "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
			      "%p\n", adapter->rx_buffer_len,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
			      (void *)(unsigned long)buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
			dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			dma_unmap_single(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
					 adapter->rx_buffer_len,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
					 DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
			buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
			break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		if (unlikely(++i == rx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
			i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	if (likely(rx_ring->next_to_use != i)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		rx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		if (unlikely(i-- == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			i = (rx_ring->count - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		/* Force memory writes to complete before letting h/w
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
		 * know there are new descriptors to fetch.  (Only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		 * applicable for weak-ordered memory model archs,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		 * such as IA-64). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
		wmb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		writel(i, hw->hw_addr + rx_ring->rdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
 * @adapter:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
static void e1000_smartspeed(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	u16 phy_status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	u16 phy_ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	if (adapter->smartspeed == 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		/* If Master/Slave config fault is asserted twice,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		 * we assume back-to-back */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
					    phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
			adapter->smartspeed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
			if (!e1000_phy_setup_autoneg(hw) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
			   !e1000_read_phy_reg(hw, PHY_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
				   	       &phy_ctrl)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
					     MII_CR_RESTART_AUTO_NEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
				e1000_write_phy_reg(hw, PHY_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
						    phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		/* If still no link, perhaps using 2/3 pair cable */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		phy_ctrl |= CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		if (!e1000_phy_setup_autoneg(hw) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
				     MII_CR_RESTART_AUTO_NEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		adapter->smartspeed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
 * e1000_ioctl -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
 * @netdev:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
 * @ifreq:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
 * @cmd:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	switch (cmd) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	case SIOCGMIIPHY:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	case SIOCGMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	case SIOCSMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		return e1000_mii_ioctl(netdev, ifr, cmd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
		return -EOPNOTSUPP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
 * e1000_mii_ioctl -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
 * @netdev:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
 * @ifreq:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
 * @cmd:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			   int cmd)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	struct mii_ioctl_data *data = if_mii(ifr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	int retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	u16 mii_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	unsigned long flags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	if (hw->media_type != e1000_media_type_copper)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		return -EOPNOTSUPP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	switch (cmd) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	case SIOCGMIIPHY:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		data->phy_id = hw->phy_addr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	case SIOCGMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
			return -EPERM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
				   &data->val_out)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
			return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	case SIOCSMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
			return -EPERM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
		if (data->reg_num & ~(0x1F))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
			return -EFAULT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
		mii_reg = data->val_in;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
		spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		if (e1000_write_phy_reg(hw, data->reg_num,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
					mii_reg)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
			return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
			switch (data->reg_num) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
			case PHY_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
				if (mii_reg & MII_CR_POWER_DOWN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
					hw->autoneg = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
					hw->autoneg_advertised = 0x2F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
				} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
					u32 speed;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
					if (mii_reg & 0x40)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
						speed = SPEED_1000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
					else if (mii_reg & 0x2000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
						speed = SPEED_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
					else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
						speed = SPEED_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
					retval = e1000_set_spd_dplx(
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
						adapter, speed,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
						((mii_reg & 0x100)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
						 ? DUPLEX_FULL :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
						 DUPLEX_HALF));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
					if (retval)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
						return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
				if (netif_running(adapter->netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
					e1000_reinit_locked(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
				else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
					e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
			case M88E1000_PHY_SPEC_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
			case M88E1000_EXT_PHY_SPEC_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
				if (e1000_phy_reset(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
					return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
			switch (data->reg_num) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
			case PHY_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
				if (mii_reg & MII_CR_POWER_DOWN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
				if (netif_running(adapter->netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
					e1000_reinit_locked(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
				else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
					e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		return -EOPNOTSUPP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
void e1000_pci_set_mwi(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	int ret_val = pci_set_mwi(adapter->pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
		e_err(probe, "Error in setting MWI\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
void e1000_pci_clear_mwi(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	pci_clear_mwi(adapter->pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	return pcix_get_mmrbc(adapter->pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	pcix_set_mmrbc(adapter->pdev, mmrbc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	outl(value, port);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
static void e1000_vlan_rx_register(struct net_device *netdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
				   struct vlan_group *grp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	u32 ctrl, rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
	adapter->vlgrp = grp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	if (grp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		/* enable VLAN tag insert/strip */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		ctrl |= E1000_CTRL_VME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		/* enable VLAN receive filtering */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
		rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		rctl &= ~E1000_RCTL_CFIEN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		if (!(netdev->flags & IFF_PROMISC))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
			rctl |= E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		e1000_update_mng_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		/* disable VLAN tag insert/strip */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		ctrl &= ~E1000_CTRL_VME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		/* disable VLAN receive filtering */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		rctl &= ~E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
		e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	u32 vfta, index;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	if ((hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	    (vid == adapter->mng_vlan_id))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	/* add VID to filter table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	index = (vid >> 5) & 0x7F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	vfta |= (1 << (vid & 0x1F));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	e1000_write_vfta(hw, index, vfta);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	u32 vfta, index;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	/* remove VID from filter table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	index = (vid >> 5) & 0x7F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	vfta &= ~(1 << (vid & 0x1F));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	e1000_write_vfta(hw, index, vfta);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
static void e1000_restore_vlan(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	if (adapter->vlgrp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
		u16 vid;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
		for (vid = 0; vid < VLAN_N_VID; vid++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
			if (!vlan_group_get_device(adapter->vlgrp, vid))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
				continue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	hw->autoneg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	 * for the switch() below to work */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	if ((spd & 1) || (dplx & ~1))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		goto err_inval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	/* Fiber NICs only allow 1000 gbps Full duplex */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	if ((hw->media_type == e1000_media_type_fiber) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	    spd != SPEED_1000 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	    dplx != DUPLEX_FULL)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		goto err_inval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	switch (spd + dplx) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	case SPEED_10 + DUPLEX_HALF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		hw->forced_speed_duplex = e1000_10_half;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	case SPEED_10 + DUPLEX_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		hw->forced_speed_duplex = e1000_10_full;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	case SPEED_100 + DUPLEX_HALF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		hw->forced_speed_duplex = e1000_100_half;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	case SPEED_100 + DUPLEX_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		hw->forced_speed_duplex = e1000_100_full;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	case SPEED_1000 + DUPLEX_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		hw->autoneg = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
		goto err_inval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
err_inval:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	return -EINVAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	u32 ctrl, ctrl_ext, rctl, status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	u32 wufc = adapter->wol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	int retval = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	netif_device_detach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	if (netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	retval = pci_save_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	if (retval)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	if (status & E1000_STATUS_LU)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		wufc &= ~E1000_WUFC_LNKC;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	if (wufc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		e1000_setup_rctl(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
		e1000_set_rx_mode(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
		/* turn on all-multi mode if wake on multicast is enabled */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
		if (wufc & E1000_WUFC_MC) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
			rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
			rctl |= E1000_RCTL_MPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
			ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		if (hw->mac_type >= e1000_82540) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
			ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
			/* advertise wake from D3Cold */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
			#define E1000_CTRL_ADVD3WUC 0x00100000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
			/* phy power management enable */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			ctrl |= E1000_CTRL_ADVD3WUC |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
				E1000_CTRL_EN_PHY_PWR_MGMT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
			ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		if (hw->media_type == e1000_media_type_fiber ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		    hw->media_type == e1000_media_type_internal_serdes) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
			/* keep the laser running in D3 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
			ctrl_ext = er32(CTRL_EXT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
			ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		ew32(WUC, E1000_WUC_PME_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		ew32(WUFC, wufc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		ew32(WUC, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		ew32(WUFC, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
	e1000_release_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	*enable_wake = !!wufc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	/* make sure adapter isn't asleep if manageability is enabled */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	if (adapter->en_mng_pt)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
		*enable_wake = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
		e1000_free_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	int retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	bool wake;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	retval = __e1000_shutdown(pdev, &wake);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	if (retval)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
		return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	if (wake) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		pci_prepare_to_sleep(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
		pci_wake_from_d3(pdev, false);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
		pci_set_power_state(pdev, PCI_D3hot);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
static int e1000_resume(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	u32 err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	pci_set_power_state(pdev, PCI_D0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	pci_restore_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	pci_save_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	if (adapter->need_ioport)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
		err = pci_enable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
		err = pci_enable_device_mem(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
		pr_err("Cannot enable PCI device from suspend\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	pci_set_master(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	pci_enable_wake(pdev, PCI_D3hot, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	pci_enable_wake(pdev, PCI_D3cold, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	if (netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		err = e1000_request_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
			return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	e1000_power_up_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	ew32(WUS, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
	e1000_init_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		netif_device_attach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
static void e1000_shutdown(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
	bool wake;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	__e1000_shutdown(pdev, &wake);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	if (system_state == SYSTEM_POWER_OFF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		pci_wake_from_d3(pdev, wake);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
		pci_set_power_state(pdev, PCI_D3hot);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
#ifdef CONFIG_NET_POLL_CONTROLLER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
 * Polling 'interrupt' - used by things like netconsole to send skbs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
 * without having to re-enable interrupts. It's not called while
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
 * the interrupt routine is executing.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
static void e1000_netpoll(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	disable_irq(adapter->pdev->irq);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	e1000_intr(adapter->pdev->irq, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
	enable_irq(adapter->pdev->irq);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
 * e1000_io_error_detected - called when PCI error is detected
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
 * @pdev: Pointer to PCI device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
 * @state: The current pci connection state
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
 * This function is called after a PCI bus error affecting
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
 * this device has been detected.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
						pci_channel_state_t state)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	netif_device_detach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	if (state == pci_channel_io_perm_failure)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		return PCI_ERS_RESULT_DISCONNECT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
		e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	/* Request a slot slot reset. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	return PCI_ERS_RESULT_NEED_RESET;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
 * e1000_io_slot_reset - called after the pci bus has been reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
 * @pdev: Pointer to PCI device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
 * Restart the card from scratch, as if from a cold-boot. Implementation
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
 * resembles the first-half of the e1000_resume routine.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	if (adapter->need_ioport)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
		err = pci_enable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
		err = pci_enable_device_mem(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
		pr_err("Cannot re-enable PCI device after reset.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
		return PCI_ERS_RESULT_DISCONNECT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	pci_set_master(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	pci_enable_wake(pdev, PCI_D3hot, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	pci_enable_wake(pdev, PCI_D3cold, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	ew32(WUS, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	return PCI_ERS_RESULT_RECOVERED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
 * e1000_io_resume - called when traffic can start flowing again.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
 * @pdev: Pointer to PCI device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
 * This callback is called when the error recovery driver tells us that
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
 * its OK to resume normal operation. Implementation resembles the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
 * second-half of the e1000_resume routine.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
static void e1000_io_resume(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	e1000_init_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	if (netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
		if (e1000_up(adapter)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
			pr_info("can't bring device back up after reset\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
			return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	netif_device_attach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
/* e1000_main.c */