devices/e1000/e1000_main-3.0-orig.c
author "Dave Page <dave.page@gleeble.com>"
Mon, 16 Mar 2015 14:18:55 -0400
changeset 2608 ec0b5d9a2ff1
parent 2395 f7451c2c274f
permissions -rw-r--r--
Reduce frequency of DC Sync debug messages
2395
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include "e1000.h"
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#include <net/ip6_checksum.h>
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#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[] = "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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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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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("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_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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/**
f7451c2c274f Added e1000 driver for kernel 3.0.
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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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	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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	free_irq(adapter->pdev->irq, netdev);
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}
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/**
f7451c2c274f Added e1000 driver for kernel 3.0.
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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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f7451c2c274f Added e1000 driver for kernel 3.0.
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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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/**
f7451c2c274f 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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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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	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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   333
	if (adapter->vlgrp) {
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   334
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
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   335
			if (hw->mng_cookie.status &
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   336
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
f7451c2c274f Added e1000 driver for kernel 3.0.
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				e1000_vlan_rx_add_vid(netdev, vid);
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				adapter->mng_vlan_id = vid;
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   339
			} else
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				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   341
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			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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					(vid != old_vid) &&
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			    !vlan_group_get_device(adapter->vlgrp, old_vid))
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				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   346
		} else
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			adapter->mng_vlan_id = vid;
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   348
	}
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   349
}
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static void e1000_init_manageability(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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   354
f7451c2c274f Added e1000 driver for kernel 3.0.
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   355
	if (adapter->en_mng_pt) {
f7451c2c274f Added e1000 driver for kernel 3.0.
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   356
		u32 manc = er32(MANC);
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   357
f7451c2c274f Added e1000 driver for kernel 3.0.
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		/* disable hardware interception of ARP */
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   359
		manc &= ~(E1000_MANC_ARP_EN);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   360
f7451c2c274f Added e1000 driver for kernel 3.0.
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   361
		ew32(MANC, manc);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   362
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
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   363
}
f7451c2c274f Added e1000 driver for kernel 3.0.
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   364
f7451c2c274f Added e1000 driver for kernel 3.0.
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   365
static void e1000_release_manageability(struct e1000_adapter *adapter)
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   366
{
f7451c2c274f Added e1000 driver for kernel 3.0.
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   367
	struct e1000_hw *hw = &adapter->hw;
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   368
f7451c2c274f Added e1000 driver for kernel 3.0.
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   369
	if (adapter->en_mng_pt) {
f7451c2c274f Added e1000 driver for kernel 3.0.
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   370
		u32 manc = er32(MANC);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   371
f7451c2c274f Added e1000 driver for kernel 3.0.
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   372
		/* re-enable hardware interception of ARP */
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   373
		manc |= E1000_MANC_ARP_EN;
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   374
f7451c2c274f Added e1000 driver for kernel 3.0.
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   375
		ew32(MANC, manc);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   376
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
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   377
}
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   378
f7451c2c274f Added e1000 driver for kernel 3.0.
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   379
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
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   380
 * e1000_configure - configure the hardware for RX and TX
f7451c2c274f Added e1000 driver for kernel 3.0.
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   381
 * @adapter = private board structure
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 **/
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   383
static void e1000_configure(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
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   384
{
f7451c2c274f Added e1000 driver for kernel 3.0.
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   385
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
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   386
	int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
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   387
f7451c2c274f Added e1000 driver for kernel 3.0.
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   388
	e1000_set_rx_mode(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   389
f7451c2c274f Added e1000 driver for kernel 3.0.
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   390
	e1000_restore_vlan(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   391
	e1000_init_manageability(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   392
f7451c2c274f Added e1000 driver for kernel 3.0.
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   393
	e1000_configure_tx(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   394
	e1000_setup_rctl(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
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   395
	e1000_configure_rx(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
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diff changeset
   396
	/* call E1000_DESC_UNUSED which always leaves
f7451c2c274f Added e1000 driver for kernel 3.0.
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   397
	 * at least 1 descriptor unused to make sure
f7451c2c274f Added e1000 driver for kernel 3.0.
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diff changeset
   398
	 * next_to_use != next_to_clean */
f7451c2c274f Added e1000 driver for kernel 3.0.
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diff changeset
   399
	for (i = 0; i < adapter->num_rx_queues; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
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   400
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
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parents:
diff changeset
   401
		adapter->alloc_rx_buf(adapter, ring,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		                      E1000_DESC_UNUSED(ring));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
int e1000_up(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	/* hardware has been reset, we need to reload some things */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	e1000_configure(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	clear_bit(__E1000_DOWN, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	napi_enable(&adapter->napi);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	e1000_irq_enable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	netif_wake_queue(adapter->netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	/* fire a link change interrupt to start the watchdog */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	ew32(ICS, E1000_ICS_LSC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
 * e1000_power_up_phy - restore link in case the phy was powered down
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
 * @adapter: address of board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 * The phy may be powered down to save power and turn off link when the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 * driver is unloaded and wake on lan is not enabled (among others)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
 * *** this routine MUST be followed by a call to e1000_reset ***
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
void e1000_power_up_phy(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	u16 mii_reg = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	/* Just clear the power down bit to wake the phy back up */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	if (hw->media_type == e1000_media_type_copper) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
		/* according to the manual, the phy will retain its
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		 * settings across a power-down/up cycle */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
		mii_reg &= ~MII_CR_POWER_DOWN;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
static void e1000_power_down_phy(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	/* Power down the PHY so no link is implied when interface is down *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	 * The PHY cannot be powered down if any of the following is true *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	 * (a) WoL is enabled
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	 * (b) AMT is active
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	 * (c) SoL/IDER session is active */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	   hw->media_type == e1000_media_type_copper) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		u16 mii_reg = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		case e1000_82540:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
		case e1000_82545:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		case e1000_82545_rev_3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		case e1000_82546:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		case e1000_ce4100:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		case e1000_82546_rev_3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		case e1000_82541:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		case e1000_82541_rev_2:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		case e1000_82547:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		case e1000_82547_rev_2:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
				goto out;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
			goto out;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		mii_reg |= MII_CR_POWER_DOWN;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		mdelay(1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
out:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
void e1000_down(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	u32 rctl, tctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	/* disable receives in the hardware */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
	/* flush and sleep below */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	netif_tx_disable(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	/* disable transmits in the hardware */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	tctl = er32(TCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	tctl &= ~E1000_TCTL_EN;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	ew32(TCTL, tctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	/* flush both disables and wait for them to finish */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	msleep(10);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	napi_disable(&adapter->napi);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	e1000_irq_disable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	 * Setting DOWN must be after irq_disable to prevent
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	 * a screaming interrupt.  Setting DOWN also prevents
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	 * timers and tasks from rescheduling.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	set_bit(__E1000_DOWN, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	del_timer_sync(&adapter->tx_fifo_stall_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	del_timer_sync(&adapter->watchdog_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	del_timer_sync(&adapter->phy_info_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	adapter->link_speed = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	adapter->link_duplex = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	netif_carrier_off(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	e1000_clean_all_tx_rings(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	e1000_clean_all_rx_rings(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
static void e1000_reinit_safe(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		msleep(1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	rtnl_lock();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	e1000_down(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	e1000_up(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	rtnl_unlock();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	clear_bit(__E1000_RESETTING, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
void e1000_reinit_locked(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	/* if rtnl_lock is not held the call path is bogus */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	ASSERT_RTNL();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	WARN_ON(in_interrupt());
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
		msleep(1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	e1000_down(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	e1000_up(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	clear_bit(__E1000_RESETTING, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
void e1000_reset(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	bool legacy_pba_adjust = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	u16 hwm;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	/* Repartition Pba for greater than 9k mtu
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	 * To take effect CTRL.RST is required.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	case e1000_82542_rev2_0:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	case e1000_82542_rev2_1:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	case e1000_82543:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	case e1000_82544:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	case e1000_82540:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	case e1000_82541:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	case e1000_82541_rev_2:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
		legacy_pba_adjust = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
		pba = E1000_PBA_48K;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	case e1000_82545:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	case e1000_82545_rev_3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	case e1000_82546:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	case e1000_ce4100:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	case e1000_82546_rev_3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		pba = E1000_PBA_48K;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	case e1000_82547:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	case e1000_82547_rev_2:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		legacy_pba_adjust = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		pba = E1000_PBA_30K;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	case e1000_undefined:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	case e1000_num_macs:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	if (legacy_pba_adjust) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
			pba -= 8; /* allocate more FIFO for Tx */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		if (hw->mac_type == e1000_82547) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
			adapter->tx_fifo_head = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
			adapter->tx_fifo_size =
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			atomic_set(&adapter->tx_fifo_stall, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		/* adjust PBA for jumbo frames */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		ew32(PBA, pba);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		/* To maintain wire speed transmits, the Tx FIFO should be
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		 * large enough to accommodate two full transmit packets,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		 * the Rx FIFO should be large enough to accommodate at least
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		 * one full receive packet and is similarly rounded up and
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		 * expressed in KB. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		pba = er32(PBA);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		/* upper 16 bits has Tx packet buffer allocation size in KB */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
		tx_space = pba >> 16;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		/* lower 16 bits has Rx packet buffer allocation size in KB */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		pba &= 0xffff;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		 * the tx fifo also stores 16 bytes of information about the tx
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		 * but don't include ethernet FCS because hardware appends it
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		min_tx_space = (hw->max_frame_size +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		                sizeof(struct e1000_tx_desc) -
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		                ETH_FCS_LEN) * 2;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		min_tx_space = ALIGN(min_tx_space, 1024);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		min_tx_space >>= 10;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		/* software strips receive CRC, so leave room for it */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		min_rx_space = hw->max_frame_size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		min_rx_space = ALIGN(min_rx_space, 1024);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		min_rx_space >>= 10;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		/* If current Tx allocation is less than the min Tx FIFO size,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		 * and the min Tx FIFO size is less than the current Rx FIFO
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		 * allocation, take space away from current Rx allocation */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		if (tx_space < min_tx_space &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		    ((min_tx_space - tx_space) < pba)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			pba = pba - (min_tx_space - tx_space);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
			/* PCI/PCIx hardware has PBA alignment constraints */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
			switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
			case e1000_82545 ... e1000_82546_rev_3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
				pba &= ~(E1000_PBA_8K - 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
			default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			/* if short on rx space, rx wins and must trump tx
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			 * adjustment or use Early Receive if available */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			if (pba < min_rx_space)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
				pba = min_rx_space;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	ew32(PBA, pba);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	 * flow control settings:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	 * The high water mark must be low enough to fit one full frame
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	 * (or the size used for early receive) above it in the Rx FIFO.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	 * Set it to the lower of:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	 * - 90% of the Rx FIFO size, and
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	 * - the full Rx FIFO size minus the early receive size (for parts
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	 * - the full Rx FIFO size minus one full frame
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	hwm = min(((pba << 10) * 9 / 10),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		  ((pba << 10) - hw->max_frame_size));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	hw->fc_low_water = hw->fc_high_water - 8;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	hw->fc_send_xon = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	hw->fc = hw->original_fc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	/* Allow time for pending master requests to run */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	e1000_reset_hw(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	if (hw->mac_type >= e1000_82544)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		ew32(WUC, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	if (e1000_init_hw(hw))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		e_dev_err("Hardware Error\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	e1000_update_mng_vlan(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	if (hw->mac_type >= e1000_82544 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	    hw->autoneg == 1 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		u32 ctrl = er32(CTRL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		/* clear phy power management bit if we are in gig only mode,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		 * which if enabled will attempt negotiation to 100Mb, which
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		 * can cause a loss of link at power off or driver unload */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		ctrl &= ~E1000_CTRL_SWDPIN3;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		ew32(CTRL, ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	e1000_reset_adaptive(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	e1000_phy_get_info(hw, &adapter->phy_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	e1000_release_manageability(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
 *  Dump the eeprom for users having checksum issues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	struct ethtool_eeprom eeprom;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	const struct ethtool_ops *ops = netdev->ethtool_ops;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	u8 *data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	u16 csum_old, csum_new = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	eeprom.len = ops->get_eeprom_len(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	eeprom.offset = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	data = kmalloc(eeprom.len, GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	if (!data) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		pr_err("Unable to allocate memory to dump EEPROM data\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	ops->get_eeprom(netdev, &eeprom, data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		csum_new += data[i] + (data[i + 1] << 8);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	csum_new = EEPROM_SUM - csum_new;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	pr_err("/*********************/\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	pr_err("Calculated              : 0x%04x\n", csum_new);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	pr_err("Offset    Values\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	pr_err("========  ======\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	pr_err("Include this output when contacting your support provider.\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	pr_err("This is not a software error! Something bad happened to\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	pr_err("result in further problems, possibly loss of data,\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	pr_err("corruption or system hangs!\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	pr_err("which is invalid and requires you to set the proper MAC\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	pr_err("address manually before continuing to enable this network\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	pr_err("device. Please inspect the EEPROM dump and report the\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	pr_err("/*********************/\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	kfree(data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
 * @pdev: PCI device information struct
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
 * Return true if an adapter needs ioport resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
static int e1000_is_need_ioport(struct pci_dev *pdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	switch (pdev->device) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	case E1000_DEV_ID_82540EM:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	case E1000_DEV_ID_82540EM_LOM:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	case E1000_DEV_ID_82540EP:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	case E1000_DEV_ID_82540EP_LOM:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	case E1000_DEV_ID_82540EP_LP:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	case E1000_DEV_ID_82541EI:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	case E1000_DEV_ID_82541EI_MOBILE:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	case E1000_DEV_ID_82541ER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	case E1000_DEV_ID_82541ER_LOM:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	case E1000_DEV_ID_82541GI:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	case E1000_DEV_ID_82541GI_LF:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	case E1000_DEV_ID_82541GI_MOBILE:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	case E1000_DEV_ID_82544EI_COPPER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	case E1000_DEV_ID_82544EI_FIBER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	case E1000_DEV_ID_82544GC_COPPER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	case E1000_DEV_ID_82544GC_LOM:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	case E1000_DEV_ID_82545EM_COPPER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	case E1000_DEV_ID_82545EM_FIBER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	case E1000_DEV_ID_82546EB_COPPER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	case E1000_DEV_ID_82546EB_FIBER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		return true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		return false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
static const struct net_device_ops e1000_netdev_ops = {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	.ndo_open		= e1000_open,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	.ndo_stop		= e1000_close,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	.ndo_start_xmit		= e1000_xmit_frame,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	.ndo_get_stats		= e1000_get_stats,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	.ndo_set_rx_mode	= e1000_set_rx_mode,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	.ndo_set_mac_address	= e1000_set_mac,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	.ndo_tx_timeout 	= e1000_tx_timeout,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	.ndo_change_mtu		= e1000_change_mtu,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	.ndo_do_ioctl		= e1000_ioctl,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	.ndo_validate_addr	= eth_validate_addr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
#ifdef CONFIG_NET_POLL_CONTROLLER
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	.ndo_poll_controller	= e1000_netpoll,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
#endif
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
};
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
 * e1000_init_hw_struct - initialize members of hw struct
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
 * @adapter: board private struct
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
 * @hw: structure used by e1000_hw.c
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
 * Factors out initialization of the e1000_hw struct to its own function
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
 * that can be called very early at init (just after struct allocation).
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
 * Fields are initialized based on PCI device information and
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
 * OS network device settings (MTU size).
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
 * Returns negative error codes if MAC type setup fails.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
				struct e1000_hw *hw)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	/* PCI config space info */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	hw->vendor_id = pdev->vendor;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	hw->device_id = pdev->device;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	hw->subsystem_id = pdev->subsystem_device;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	hw->revision_id = pdev->revision;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	hw->max_frame_size = adapter->netdev->mtu +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	/* identify the MAC */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	if (e1000_set_mac_type(hw)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		e_err(probe, "Unknown MAC Type\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		return -EIO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	case e1000_82541:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	case e1000_82547:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	case e1000_82541_rev_2:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	case e1000_82547_rev_2:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		hw->phy_init_script = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	e1000_set_media_type(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	e1000_get_bus_info(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	hw->wait_autoneg_complete = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	hw->tbi_compatibility_en = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	hw->adaptive_ifs = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	/* Copper options */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	if (hw->media_type == e1000_media_type_copper) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		hw->mdix = AUTO_ALL_MODES;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		hw->disable_polarity_correction = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		hw->master_slave = E1000_MASTER_SLAVE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
 * e1000_probe - Device Initialization Routine
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
 * @pdev: PCI device information struct
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
 * @ent: entry in e1000_pci_tbl
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
 * Returns 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
 * e1000_probe initializes an adapter identified by a pci_dev structure.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
 * The OS initialization, configuring of the adapter private structure,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
 * and a hardware reset occur.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
static int __devinit e1000_probe(struct pci_dev *pdev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
				 const struct pci_device_id *ent)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	struct net_device *netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	struct e1000_adapter *adapter;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	struct e1000_hw *hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	static int cards_found = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	int i, err, pci_using_dac;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	u16 eeprom_data = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	u16 tmp = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	int bars, need_ioport;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	/* do not allocate ioport bars when not needed */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	need_ioport = e1000_is_need_ioport(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	if (need_ioport) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
		err = pci_enable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
		err = pci_enable_device_mem(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		goto err_pci_reg;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	pci_set_master(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	err = pci_save_state(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
		goto err_alloc_etherdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	err = -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	if (!netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		goto err_alloc_etherdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	SET_NETDEV_DEV(netdev, &pdev->dev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	pci_set_drvdata(pdev, netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	adapter->netdev = netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	adapter->pdev = pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	adapter->msg_enable = (1 << debug) - 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	adapter->bars = bars;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	adapter->need_ioport = need_ioport;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	hw->back = adapter;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	err = -EIO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	if (!hw->hw_addr)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		goto err_ioremap;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	if (adapter->need_ioport) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		for (i = BAR_1; i <= BAR_5; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
			if (pci_resource_len(pdev, i) == 0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
				continue;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
				hw->io_base = pci_resource_start(pdev, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	/* make ready for any if (hw->...) below */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	err = e1000_init_hw_struct(adapter, hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		goto err_sw_init;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	 * there is a workaround being applied below that limits
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	pci_using_dac = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	if ((hw->bus_type == e1000_bus_type_pcix) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		 * according to DMA-API-HOWTO, coherent calls will always
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		 * succeed if the set call did
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		pci_using_dac = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		if (err) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
			pr_err("No usable DMA config, aborting\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
			goto err_dma;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	netdev->netdev_ops = &e1000_netdev_ops;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	e1000_set_ethtool_ops(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	netdev->watchdog_timeo = 5 * HZ;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	adapter->bd_number = cards_found;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	/* setup the private structure */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	err = e1000_sw_init(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
		goto err_sw_init;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	err = -EIO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	if (hw->mac_type == e1000_ce4100) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
		ce4100_gbe_mdio_base_phy = pci_resource_start(pdev, BAR_1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		ce4100_gbe_mdio_base_virt = ioremap(ce4100_gbe_mdio_base_phy,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		                                pci_resource_len(pdev, BAR_1));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		if (!ce4100_gbe_mdio_base_virt)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
			goto err_mdio_ioremap;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	if (hw->mac_type >= e1000_82543) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		netdev->features = NETIF_F_SG |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
				   NETIF_F_HW_CSUM |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
				   NETIF_F_HW_VLAN_TX |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
				   NETIF_F_HW_VLAN_RX |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
				   NETIF_F_HW_VLAN_FILTER;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	if ((hw->mac_type >= e1000_82544) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	   (hw->mac_type != e1000_82547))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		netdev->features |= NETIF_F_TSO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	if (pci_using_dac) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		netdev->features |= NETIF_F_HIGHDMA;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		netdev->vlan_features |= NETIF_F_HIGHDMA;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	netdev->vlan_features |= NETIF_F_TSO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	netdev->vlan_features |= NETIF_F_HW_CSUM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	netdev->vlan_features |= NETIF_F_SG;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	/* initialize eeprom parameters */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	if (e1000_init_eeprom_params(hw)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		e_err(probe, "EEPROM initialization failed\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		goto err_eeprom;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	/* before reading the EEPROM, reset the controller to
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	 * put the device in a known good starting state */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	e1000_reset_hw(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	/* make sure the EEPROM is good */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	if (e1000_validate_eeprom_checksum(hw) < 0) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		e1000_dump_eeprom(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		 * set MAC address to all zeroes to invalidate and temporary
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		 * disable this device for the user. This blocks regular
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		 * traffic while still permitting ethtool ioctls from reaching
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		 * the hardware as well as allowing the user to run the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		 * interface after manually setting a hw addr using
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		 * `ip set address`
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		memset(hw->mac_addr, 0, netdev->addr_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		/* copy the MAC address out of the EEPROM */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		if (e1000_read_mac_addr(hw))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
			e_err(probe, "EEPROM Read Error\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	/* don't block initalization here due to bad MAC address */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	if (!is_valid_ether_addr(netdev->perm_addr))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		e_err(probe, "Invalid MAC Address\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	init_timer(&adapter->tx_fifo_stall_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	adapter->tx_fifo_stall_timer.function = e1000_82547_tx_fifo_stall;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	init_timer(&adapter->watchdog_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	adapter->watchdog_timer.function = e1000_watchdog;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	adapter->watchdog_timer.data = (unsigned long) adapter;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	init_timer(&adapter->phy_info_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	adapter->phy_info_timer.function = e1000_update_phy_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	adapter->phy_info_timer.data = (unsigned long)adapter;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	INIT_WORK(&adapter->fifo_stall_task, e1000_82547_tx_fifo_stall_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	INIT_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	e1000_check_options(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	/* Initial Wake on LAN setting
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	 * If APM wake is enabled in the EEPROM,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	 * enable the ACPI Magic Packet filter
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	case e1000_82542_rev2_0:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	case e1000_82542_rev2_1:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	case e1000_82543:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	case e1000_82544:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		e1000_read_eeprom(hw,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	case e1000_82546:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	case e1000_82546_rev_3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
			e1000_read_eeprom(hw,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		/* Fall Through */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		e1000_read_eeprom(hw,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	if (eeprom_data & eeprom_apme_mask)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		adapter->eeprom_wol |= E1000_WUFC_MAG;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	/* now that we have the eeprom settings, apply the special cases
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	 * where the eeprom may be wrong or the board simply won't support
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	 * wake on lan on a particular port */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	switch (pdev->device) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	case E1000_DEV_ID_82546GB_PCIE:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		adapter->eeprom_wol = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	case E1000_DEV_ID_82546EB_FIBER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	case E1000_DEV_ID_82546GB_FIBER:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		/* Wake events only supported on port A for dual fiber
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		 * regardless of eeprom setting */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
			adapter->eeprom_wol = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		/* if quad port adapter, disable WoL on all but port A */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		if (global_quad_port_a != 0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			adapter->eeprom_wol = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			adapter->quad_port_a = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		/* Reset for multiple quad port adapters */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		if (++global_quad_port_a == 4)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
			global_quad_port_a = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	/* initialize the wol settings based on the eeprom settings */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	adapter->wol = adapter->eeprom_wol;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	/* Auto detect PHY address */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	if (hw->mac_type == e1000_ce4100) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		for (i = 0; i < 32; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			hw->phy_addr = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
			if (tmp == 0 || tmp == 0xFF) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
				if (i == 31)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
					goto err_eeprom;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
				continue;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
			} else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	/* reset the hardware with the new settings */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	strcpy(netdev->name, "eth%d");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	err = register_netdev(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		goto err_register;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	/* print bus type/speed/width info */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	       netdev->dev_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	/* carrier off reporting is important to ethtool even BEFORE open */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	netif_carrier_off(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	cards_found++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
err_register:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
err_eeprom:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	e1000_phy_hw_reset(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	if (hw->flash_address)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		iounmap(hw->flash_address);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	kfree(adapter->tx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	kfree(adapter->rx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
err_dma:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
err_sw_init:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
err_mdio_ioremap:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	iounmap(ce4100_gbe_mdio_base_virt);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	iounmap(hw->hw_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
err_ioremap:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	free_netdev(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
err_alloc_etherdev:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	pci_release_selected_regions(pdev, bars);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
err_pci_reg:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	pci_disable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
 * e1000_remove - Device Removal Routine
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
 * @pdev: PCI device information struct
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
 * e1000_remove is called by the PCI subsystem to alert the driver
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
 * that it should release a PCI device.  The could be caused by a
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
 * Hot-Plug event, or because the driver is going to be removed from
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
 * memory.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
static void __devexit e1000_remove(struct pci_dev *pdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	struct net_device *netdev = pci_get_drvdata(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	set_bit(__E1000_DOWN, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	del_timer_sync(&adapter->tx_fifo_stall_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	del_timer_sync(&adapter->watchdog_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	del_timer_sync(&adapter->phy_info_timer);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	cancel_work_sync(&adapter->reset_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	e1000_release_manageability(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	unregister_netdev(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	e1000_phy_hw_reset(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	kfree(adapter->tx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	kfree(adapter->rx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	iounmap(hw->hw_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	if (hw->flash_address)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		iounmap(hw->flash_address);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	pci_release_selected_regions(pdev, adapter->bars);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	free_netdev(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	pci_disable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 * @adapter: board private structure to initialize
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 * e1000_sw_init initializes the Adapter private data structure.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * e1000_init_hw_struct MUST be called before this function
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	adapter->num_tx_queues = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	adapter->num_rx_queues = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	if (e1000_alloc_queues(adapter)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		e_err(probe, "Unable to allocate memory for queues\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	/* Explicitly disable IRQ since the NIC can be in any state. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	e1000_irq_disable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	spin_lock_init(&adapter->stats_lock);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	set_bit(__E1000_DOWN, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
 * e1000_alloc_queues - Allocate memory for all rings
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
 * @adapter: board private structure to initialize
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 * We allocate one ring per queue at run-time since we don't know the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 * number of queues at compile-time.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	if (!adapter->tx_ring)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	if (!adapter->rx_ring) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		kfree(adapter->tx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	return E1000_SUCCESS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * e1000_open - Called when a network interface is made active
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
 * Returns 0 on success, negative value on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
 * The open entry point is called when a network interface is made
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
 * active by the system (IFF_UP).  At this point all resources needed
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
 * for transmit and receive operations are allocated, the interrupt
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
 * handler is registered with the OS, the watchdog timer is started,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
 * and the stack is notified that the interface is ready.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
static int e1000_open(struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	int err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	/* disallow open during test */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	if (test_bit(__E1000_TESTING, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		return -EBUSY;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	netif_carrier_off(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	/* allocate transmit descriptors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	err = e1000_setup_all_tx_resources(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
		goto err_setup_tx;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	/* allocate receive descriptors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	err = e1000_setup_all_rx_resources(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		goto err_setup_rx;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	e1000_power_up_phy(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	if ((hw->mng_cookie.status &
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
		e1000_update_mng_vlan(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	/* before we allocate an interrupt, we must be ready to handle it.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	 * as soon as we call pci_request_irq, so we have to setup our
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	 * clean_rx handler before we do so.  */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	e1000_configure(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	err = e1000_request_irq(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		goto err_req_irq;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	/* From here on the code is the same as e1000_up() */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	clear_bit(__E1000_DOWN, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	napi_enable(&adapter->napi);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	e1000_irq_enable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	netif_start_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	/* fire a link status change interrupt to start the watchdog */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	ew32(ICS, E1000_ICS_LSC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	return E1000_SUCCESS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
err_req_irq:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	e1000_power_down_phy(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	e1000_free_all_rx_resources(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
err_setup_rx:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	e1000_free_all_tx_resources(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
err_setup_tx:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 * e1000_close - Disables a network interface
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 * Returns 0, this is not allowed to fail
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 * The close entry point is called when an interface is de-activated
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 * by the OS.  The hardware is still under the drivers control, but
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
 * needs to be disabled.  A global MAC reset is issued to stop the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 * hardware, and all transmit and receive resources are freed.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
static int e1000_close(struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	e1000_down(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	e1000_power_down_phy(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	e1000_free_irq(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	e1000_free_all_tx_resources(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	e1000_free_all_rx_resources(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	/* kill manageability vlan ID if supported, but not if a vlan with
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	 * the same ID is registered on the host OS (let 8021q kill it) */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	if ((hw->mng_cookie.status &
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	     !(adapter->vlgrp &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
 * @adapter: address of board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 * @start: address of beginning of memory
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 * @len: length of memory
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
				  unsigned long len)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	unsigned long begin = (unsigned long)start;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	unsigned long end = begin + len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	/* First rev 82545 and 82546 need to not allow any memory
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	 * write location to cross 64k boundary due to errata 23 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	if (hw->mac_type == e1000_82545 ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	    hw->mac_type == e1000_ce4100 ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	    hw->mac_type == e1000_82546) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	return true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
 * @txdr:    tx descriptor ring (for a specific queue) to setup
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
 * Return 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
				    struct e1000_tx_ring *txdr)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	int size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	size = sizeof(struct e1000_buffer) * txdr->count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	txdr->buffer_info = vzalloc(size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	if (!txdr->buffer_info) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		      "ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	/* round up to nearest 4K */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	txdr->size = ALIGN(txdr->size, 4096);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
					GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	if (!txdr->desc) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
setup_tx_desc_die:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		vfree(txdr->buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		      "ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	/* Fix for errata 23, can't cross 64kB boundary */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		void *olddesc = txdr->desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		dma_addr_t olddma = txdr->dma;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
		      txdr->size, txdr->desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		/* Try again, without freeing the previous */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
						&txdr->dma, GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		/* Failed allocation, critical failure */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		if (!txdr->desc) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
					  olddma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
			goto setup_tx_desc_die;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
			/* give up */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
					  txdr->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
					  olddma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
			e_err(probe, "Unable to allocate aligned memory "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			      "for the transmit descriptor ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			vfree(txdr->buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
			return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
			/* Free old allocation, new allocation was successful */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
					  olddma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	memset(txdr->desc, 0, txdr->size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	txdr->next_to_use = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	txdr->next_to_clean = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 * 				  (Descriptors) for all queues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
 * Return 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	int i, err = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	for (i = 0; i < adapter->num_tx_queues; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		if (err) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
			for (i-- ; i >= 0; i--)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
				e1000_free_tx_resources(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
							&adapter->tx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
 * Configure the Tx unit of the MAC after a reset.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
static void e1000_configure_tx(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	u64 tdba;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	u32 tdlen, tctl, tipg;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	u32 ipgr1, ipgr2;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	/* Setup the HW Tx Head and Tail descriptor pointers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	switch (adapter->num_tx_queues) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	case 1:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		tdba = adapter->tx_ring[0].dma;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		tdlen = adapter->tx_ring[0].count *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
			sizeof(struct e1000_tx_desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		ew32(TDLEN, tdlen);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		ew32(TDBAH, (tdba >> 32));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		ew32(TDT, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		ew32(TDH, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	/* Set the default values for the Tx Inter Packet Gap timer */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	if ((hw->media_type == e1000_media_type_fiber ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	     hw->media_type == e1000_media_type_internal_serdes))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	case e1000_82542_rev2_0:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	case e1000_82542_rev2_1:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		tipg = DEFAULT_82542_TIPG_IPGT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	ew32(TIPG, tipg);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	/* Set the Tx Interrupt Delay register */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	ew32(TIDV, adapter->tx_int_delay);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	if (hw->mac_type >= e1000_82540)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		ew32(TADV, adapter->tx_abs_int_delay);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	/* Program the Transmit Control Register */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	tctl = er32(TCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	tctl &= ~E1000_TCTL_CT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	e1000_config_collision_dist(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	/* Setup Transmit Descriptor Settings for eop descriptor */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	/* only set IDE if we are delaying interrupts using the timers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	if (adapter->tx_int_delay)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	if (hw->mac_type < e1000_82543)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	/* Cache if we're 82544 running in PCI-X because we'll
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	 * need this to apply a workaround later in the send path. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	if (hw->mac_type == e1000_82544 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	    hw->bus_type == e1000_bus_type_pcix)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		adapter->pcix_82544 = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	ew32(TCTL, tctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
 * Returns 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
				    struct e1000_rx_ring *rxdr)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	int size, desc_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	size = sizeof(struct e1000_buffer) * rxdr->count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	rxdr->buffer_info = vzalloc(size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	if (!rxdr->buffer_info) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		      "ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	desc_len = sizeof(struct e1000_rx_desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	/* Round up to nearest 4K */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	rxdr->size = rxdr->count * desc_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	rxdr->size = ALIGN(rxdr->size, 4096);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
					GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	if (!rxdr->desc) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		      "ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
setup_rx_desc_die:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		vfree(rxdr->buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		return -ENOMEM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	/* Fix for errata 23, can't cross 64kB boundary */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		void *olddesc = rxdr->desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		dma_addr_t olddma = rxdr->dma;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		      rxdr->size, rxdr->desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
		/* Try again, without freeing the previous */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
						&rxdr->dma, GFP_KERNEL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		/* Failed allocation, critical failure */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		if (!rxdr->desc) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
					  olddma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
			e_err(probe, "Unable to allocate memory for the Rx "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
			      "descriptor ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
			goto setup_rx_desc_die;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
			/* give up */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
					  rxdr->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
					  olddma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
			e_err(probe, "Unable to allocate aligned memory for "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
			      "the Rx descriptor ring\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
			goto setup_rx_desc_die;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
			/* Free old allocation, new allocation was successful */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
					  olddma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	memset(rxdr->desc, 0, rxdr->size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	rxdr->next_to_clean = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	rxdr->next_to_use = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	rxdr->rx_skb_top = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
 * 				  (Descriptors) for all queues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
 * Return 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	int i, err = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	for (i = 0; i < adapter->num_rx_queues; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		if (err) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
			for (i-- ; i >= 0; i--)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
				e1000_free_rx_resources(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
							&adapter->rx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
 * e1000_setup_rctl - configure the receive control registers
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
 * @adapter: Board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
static void e1000_setup_rctl(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	u32 rctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	if (hw->tbi_compatibility_on == 1)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		rctl |= E1000_RCTL_SBP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		rctl &= ~E1000_RCTL_SBP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		rctl &= ~E1000_RCTL_LPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		rctl |= E1000_RCTL_LPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	/* Setup buffer sizes */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	rctl &= ~E1000_RCTL_SZ_4096;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	rctl |= E1000_RCTL_BSEX;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	switch (adapter->rx_buffer_len) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		case E1000_RXBUFFER_2048:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
			rctl |= E1000_RCTL_SZ_2048;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
			rctl &= ~E1000_RCTL_BSEX;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		case E1000_RXBUFFER_4096:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
			rctl |= E1000_RCTL_SZ_4096;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		case E1000_RXBUFFER_8192:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
			rctl |= E1000_RCTL_SZ_8192;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		case E1000_RXBUFFER_16384:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
			rctl |= E1000_RCTL_SZ_16384;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
 * Configure the Rx unit of the MAC after a reset.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
static void e1000_configure_rx(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	u64 rdba;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	u32 rdlen, rctl, rxcsum;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
		rdlen = adapter->rx_ring[0].count *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
		        sizeof(struct e1000_rx_desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		rdlen = adapter->rx_ring[0].count *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		        sizeof(struct e1000_rx_desc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
		adapter->clean_rx = e1000_clean_rx_irq;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	/* disable receives while setting up the descriptors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	/* set the Receive Delay Timer Register */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	ew32(RDTR, adapter->rx_int_delay);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	if (hw->mac_type >= e1000_82540) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		ew32(RADV, adapter->rx_abs_int_delay);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		if (adapter->itr_setting != 0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
			ew32(ITR, 1000000000 / (adapter->itr * 256));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	 * the Base and Length of the Rx Descriptor Ring */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	switch (adapter->num_rx_queues) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	case 1:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		rdba = adapter->rx_ring[0].dma;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		ew32(RDLEN, rdlen);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		ew32(RDBAH, (rdba >> 32));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		ew32(RDT, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		ew32(RDH, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	if (hw->mac_type >= e1000_82543) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		rxcsum = er32(RXCSUM);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		if (adapter->rx_csum)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			rxcsum |= E1000_RXCSUM_TUOFL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			/* don't need to clear IPPCSE as it defaults to 0 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
			rxcsum &= ~E1000_RXCSUM_TUOFL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		ew32(RXCSUM, rxcsum);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	/* Enable Receives */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
 * e1000_free_tx_resources - Free Tx Resources per Queue
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 * @tx_ring: Tx descriptor ring for a specific queue
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 * Free all transmit software resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
				    struct e1000_tx_ring *tx_ring)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	e1000_clean_tx_ring(adapter, tx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	vfree(tx_ring->buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	tx_ring->buffer_info = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
			  tx_ring->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	tx_ring->desc = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 * Free all transmit software resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	for (i = 0; i < adapter->num_tx_queues; i++)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
					     struct e1000_buffer *buffer_info)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	if (buffer_info->dma) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		if (buffer_info->mapped_as_page)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
				       buffer_info->length, DMA_TO_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
		else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
					 buffer_info->length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
					 DMA_TO_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	if (buffer_info->skb) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		dev_kfree_skb_any(buffer_info->skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
		buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	buffer_info->time_stamp = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	/* buffer_info must be completely set up in the transmit path */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 * e1000_clean_tx_ring - Free Tx Buffers
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
 * @tx_ring: ring to be cleaned
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
				struct e1000_tx_ring *tx_ring)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	unsigned long size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	/* Free all the Tx ring sk_buffs */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	for (i = 0; i < tx_ring->count; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	size = sizeof(struct e1000_buffer) * tx_ring->count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	memset(tx_ring->buffer_info, 0, size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	/* Zero out the descriptor ring */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	memset(tx_ring->desc, 0, tx_ring->size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	tx_ring->next_to_use = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	tx_ring->next_to_clean = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	tx_ring->last_tx_tso = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	writel(0, hw->hw_addr + tx_ring->tdh);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	writel(0, hw->hw_addr + tx_ring->tdt);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	for (i = 0; i < adapter->num_tx_queues; i++)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
 * e1000_free_rx_resources - Free Rx Resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
 * @rx_ring: ring to clean the resources from
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
 * Free all receive software resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
				    struct e1000_rx_ring *rx_ring)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	e1000_clean_rx_ring(adapter, rx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	vfree(rx_ring->buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	rx_ring->buffer_info = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
			  rx_ring->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	rx_ring->desc = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 * Free all receive software resources
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	for (i = 0; i < adapter->num_rx_queues; i++)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
 * @rx_ring: ring to free buffers from
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
				struct e1000_rx_ring *rx_ring)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	unsigned long size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	/* Free all the Rx ring sk_buffs */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	for (i = 0; i < rx_ring->count; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		if (buffer_info->dma &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		    adapter->clean_rx == e1000_clean_rx_irq) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			dma_unmap_single(&pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
			                 buffer_info->length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
					 DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
		} else if (buffer_info->dma &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
			dma_unmap_page(&pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
				       buffer_info->length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
				       DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		if (buffer_info->page) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
			put_page(buffer_info->page);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
			buffer_info->page = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		if (buffer_info->skb) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			dev_kfree_skb(buffer_info->skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	/* there also may be some cached data from a chained receive */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	if (rx_ring->rx_skb_top) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
		dev_kfree_skb(rx_ring->rx_skb_top);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
		rx_ring->rx_skb_top = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	size = sizeof(struct e1000_buffer) * rx_ring->count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	memset(rx_ring->buffer_info, 0, size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	/* Zero out the descriptor ring */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	memset(rx_ring->desc, 0, rx_ring->size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	rx_ring->next_to_clean = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	rx_ring->next_to_use = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	writel(0, hw->hw_addr + rx_ring->rdh);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	writel(0, hw->hw_addr + rx_ring->rdt);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	for (i = 0; i < adapter->num_rx_queues; i++)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
 * and memory write and invalidate disabled for certain operations
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	u32 rctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	e1000_pci_clear_mwi(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	rctl |= E1000_RCTL_RST;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	mdelay(5);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	if (netif_running(netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		e1000_clean_all_rx_rings(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	u32 rctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	rctl &= ~E1000_RCTL_RST;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	mdelay(5);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
		e1000_pci_set_mwi(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	if (netif_running(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		/* No need to loop, because 82542 supports only 1 queue */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
		e1000_configure_rx(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 * e1000_set_mac - Change the Ethernet Address of the NIC
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 * @p: pointer to an address structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 * Returns 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
static int e1000_set_mac(struct net_device *netdev, void *p)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	struct sockaddr *addr = p;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	if (!is_valid_ether_addr(addr->sa_data))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
		return -EADDRNOTAVAIL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	/* 82542 2.0 needs to be in reset to write receive address registers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	if (hw->mac_type == e1000_82542_rev2_0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
		e1000_enter_82542_rst(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	e1000_rar_set(hw, hw->mac_addr, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	if (hw->mac_type == e1000_82542_rev2_0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
		e1000_leave_82542_rst(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
 * The set_rx_mode entry point is called whenever the unicast or multicast
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
 * address lists or the network interface flags are updated. This routine is
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
 * responsible for configuring the hardware for proper unicast, multicast,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
 * promiscuous mode, and all-multi behavior.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
static void e1000_set_rx_mode(struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	struct netdev_hw_addr *ha;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	bool use_uc = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	u32 rctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	u32 hash_value;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	int i, rar_entries = E1000_RAR_ENTRIES;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	if (!mcarray) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		e_err(probe, "memory allocation failed\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	/* Check for Promiscuous and All Multicast modes */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	if (netdev->flags & IFF_PROMISC) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		rctl &= ~E1000_RCTL_VFE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		if (netdev->flags & IFF_ALLMULTI)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
			rctl |= E1000_RCTL_MPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
		else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
			rctl &= ~E1000_RCTL_MPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
		/* Enable VLAN filter if there is a VLAN */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
		if (adapter->vlgrp)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
			rctl |= E1000_RCTL_VFE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	if (netdev_uc_count(netdev) > rar_entries - 1) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
		rctl |= E1000_RCTL_UPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	} else if (!(netdev->flags & IFF_PROMISC)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
		rctl &= ~E1000_RCTL_UPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
		use_uc = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	/* 82542 2.0 needs to be in reset to write receive address registers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	if (hw->mac_type == e1000_82542_rev2_0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
		e1000_enter_82542_rst(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	/* load the first 14 addresses into the exact filters 1-14. Unicast
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	 * addresses take precedence to avoid disabling unicast filtering
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	 * when possible.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	 * RAR 0 is used for the station MAC address
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	 * if there are not 14 addresses, go ahead and clear the filters
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	i = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	if (use_uc)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		netdev_for_each_uc_addr(ha, netdev) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
			if (i == rar_entries)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
			e1000_rar_set(hw, ha->addr, i++);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	netdev_for_each_mc_addr(ha, netdev) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		if (i == rar_entries) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
			/* load any remaining addresses into the hash table */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
			u32 hash_reg, hash_bit, mta;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
			hash_reg = (hash_value >> 5) & 0x7F;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			hash_bit = hash_value & 0x1F;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
			mta = (1 << hash_bit);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
			mcarray[hash_reg] |= mta;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
		} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
			e1000_rar_set(hw, ha->addr, i++);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	for (; i < rar_entries; i++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
		E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	/* write the hash table completely, write from bottom to avoid
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	 * both stupid write combining chipsets, and flushing each write */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		 * If we are on an 82544 has an errata where writing odd
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
		 * offsets overwrites the previous even offset, but writing
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
		 * backwards over the range solves the issue by always
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		 * writing the odd offset first
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	if (hw->mac_type == e1000_82542_rev2_0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		e1000_leave_82542_rst(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	kfree(mcarray);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
/* Need to wait a few seconds after link up to get diagnostic information from
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
 * the phy */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
static void e1000_update_phy_info(unsigned long data)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	schedule_work(&adapter->phy_info_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
static void e1000_update_phy_info_task(struct work_struct *work)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	struct e1000_adapter *adapter = container_of(work,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	                                             struct e1000_adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	                                             phy_info_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	rtnl_lock();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	e1000_phy_get_info(hw, &adapter->phy_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	rtnl_unlock();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
 * e1000_82547_tx_fifo_stall - Timer Call-back
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
 * @data: pointer to adapter cast into an unsigned long
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
static void e1000_82547_tx_fifo_stall(unsigned long data)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	schedule_work(&adapter->fifo_stall_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
 * e1000_82547_tx_fifo_stall_task - task to complete work
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
 * @work: work struct contained inside adapter struct
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	struct e1000_adapter *adapter = container_of(work,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	                                             struct e1000_adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	                                             fifo_stall_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	u32 tctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	rtnl_lock();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	if (atomic_read(&adapter->tx_fifo_stall)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		if ((er32(TDT) == er32(TDH)) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		   (er32(TDFT) == er32(TDFH)) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		   (er32(TDFTS) == er32(TDFHS))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
			tctl = er32(TCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
			ew32(TDFT, adapter->tx_head_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
			ew32(TDFH, adapter->tx_head_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
			ew32(TDFTS, adapter->tx_head_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
			ew32(TDFHS, adapter->tx_head_addr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
			ew32(TCTL, tctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
			E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
			adapter->tx_fifo_head = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
			atomic_set(&adapter->tx_fifo_stall, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
			netif_wake_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	rtnl_unlock();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
bool e1000_has_link(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	bool link_active = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	/* get_link_status is set on LSC (link status) interrupt or
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	 * rx sequence error interrupt.  get_link_status will stay
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	 * false until the e1000_check_for_link establishes link
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	 * for copper adapters ONLY
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	switch (hw->media_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	case e1000_media_type_copper:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		if (hw->get_link_status) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			e1000_check_for_link(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
			link_active = !hw->get_link_status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			link_active = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	case e1000_media_type_fiber:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		e1000_check_for_link(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	case e1000_media_type_internal_serdes:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
		e1000_check_for_link(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		link_active = hw->serdes_has_link;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	return link_active;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
 * e1000_watchdog - Timer Call-back
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
 * @data: pointer to adapter cast into an unsigned long
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
static void e1000_watchdog(unsigned long data)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	struct e1000_tx_ring *txdr = adapter->tx_ring;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	u32 link, tctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	link = e1000_has_link(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	if ((netif_carrier_ok(netdev)) && link)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		goto link_up;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	if (link) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		if (!netif_carrier_ok(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			u32 ctrl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			bool txb2b = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			/* update snapshot of PHY registers on LSC */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
			e1000_get_speed_and_duplex(hw,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
			                           &adapter->link_speed,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
			                           &adapter->link_duplex);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			ctrl = er32(CTRL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			pr_info("%s NIC Link is Up %d Mbps %s, "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
				"Flow Control: %s\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
				netdev->name,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
				adapter->link_speed,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
				adapter->link_duplex == FULL_DUPLEX ?
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
				"Full Duplex" : "Half Duplex",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
				E1000_CTRL_TFCE) ? "TX" : "None")));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
			/* adjust timeout factor according to speed/duplex */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
			adapter->tx_timeout_factor = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
			switch (adapter->link_speed) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
			case SPEED_10:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
				txb2b = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
				adapter->tx_timeout_factor = 16;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
			case SPEED_100:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
				txb2b = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
				/* maybe add some timeout factor ? */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
			/* enable transmits in the hardware */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			tctl = er32(TCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			tctl |= E1000_TCTL_EN;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
			ew32(TCTL, tctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
			netif_carrier_on(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
			if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
				mod_timer(&adapter->phy_info_timer,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
				          round_jiffies(jiffies + 2 * HZ));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
			adapter->smartspeed = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		if (netif_carrier_ok(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
			adapter->link_speed = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
			adapter->link_duplex = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
			pr_info("%s NIC Link is Down\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
				netdev->name);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
			netif_carrier_off(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
			if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
				mod_timer(&adapter->phy_info_timer,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
				          round_jiffies(jiffies + 2 * HZ));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		e1000_smartspeed(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
link_up:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	e1000_update_stats(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	adapter->tpt_old = adapter->stats.tpt;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	adapter->colc_old = adapter->stats.colc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	adapter->gorcl_old = adapter->stats.gorcl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	adapter->gotcl_old = adapter->stats.gotcl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	e1000_update_adaptive(hw);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	if (!netif_carrier_ok(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			/* We've lost link, so the controller stops DMA,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
			 * but we've got queued Tx work that's never going
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			 * to get done, so reset controller to flush Tx.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
			 * (Do the reset outside of interrupt context). */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
			adapter->tx_timeout_count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
			schedule_work(&adapter->reset_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
			/* return immediately since reset is imminent */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	/* Simple mode for Interrupt Throttle Rate (ITR) */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
		/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		 * Total asymmetrical Tx or Rx gets ITR=8000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		 * everyone else is between 2000-8000.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		u32 dif = (adapter->gotcl > adapter->gorcl ?
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
			    adapter->gotcl - adapter->gorcl :
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
			    adapter->gorcl - adapter->gotcl) / 10000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		ew32(ITR, 1000000000 / (itr * 256));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	/* Cause software interrupt to ensure rx ring is cleaned */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	ew32(ICS, E1000_ICS_RXDMT0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	/* Force detection of hung controller every watchdog period */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	adapter->detect_tx_hung = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	/* Reset the timer */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		mod_timer(&adapter->watchdog_timer,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		          round_jiffies(jiffies + 2 * HZ));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
enum latency_range {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	lowest_latency = 0,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
	low_latency = 1,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	bulk_latency = 2,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	latency_invalid = 255
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
};
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
 * e1000_update_itr - update the dynamic ITR value based on statistics
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
 * @adapter: pointer to adapter
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
 * @itr_setting: current adapter->itr
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
 * @packets: the number of packets during this measurement interval
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
 * @bytes: the number of bytes during this measurement interval
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
 *      Stores a new ITR value based on packets and byte
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
 *      counts during the last interrupt.  The advantage of per interrupt
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
 *      computation is faster updates and more accurate ITR for the current
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
 *      traffic pattern.  Constants in this function were computed
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
 *      based on theoretical maximum wire speed and thresholds were set based
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
 *      on testing data as well as attempting to minimize response time
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
 *      while increasing bulk throughput.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
 *      this functionality is controlled by the InterruptThrottleRate module
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
 *      parameter (see e1000_param.c)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
				     u16 itr_setting, int packets, int bytes)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	unsigned int retval = itr_setting;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	if (unlikely(hw->mac_type < e1000_82540))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		goto update_itr_done;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	if (packets == 0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		goto update_itr_done;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	switch (itr_setting) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	case lowest_latency:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		/* jumbo frames get bulk treatment*/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		if (bytes/packets > 8000)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
			retval = bulk_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		else if ((packets < 5) && (bytes > 512))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
			retval = low_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	case low_latency:  /* 50 usec aka 20000 ints/s */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		if (bytes > 10000) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			/* jumbo frames need bulk latency setting */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			if (bytes/packets > 8000)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
				retval = bulk_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			else if ((packets < 10) || ((bytes/packets) > 1200))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
				retval = bulk_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
			else if ((packets > 35))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
				retval = lowest_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		} else if (bytes/packets > 2000)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			retval = bulk_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		else if (packets <= 2 && bytes < 512)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			retval = lowest_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	case bulk_latency: /* 250 usec aka 4000 ints/s */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		if (bytes > 25000) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			if (packets > 35)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
				retval = low_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		} else if (bytes < 6000) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			retval = low_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
update_itr_done:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	return retval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
static void e1000_set_itr(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	u16 current_itr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	u32 new_itr = adapter->itr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	if (unlikely(hw->mac_type < e1000_82540))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	if (unlikely(adapter->link_speed != SPEED_1000)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
		current_itr = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		new_itr = 4000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
		goto set_itr_now;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	adapter->tx_itr = e1000_update_itr(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	                            adapter->tx_itr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	                            adapter->total_tx_packets,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	                            adapter->total_tx_bytes);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
		adapter->tx_itr = low_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	adapter->rx_itr = e1000_update_itr(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	                            adapter->rx_itr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	                            adapter->total_rx_packets,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	                            adapter->total_rx_bytes);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		adapter->rx_itr = low_latency;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	switch (current_itr) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	/* counts and packets in update_itr are dependent on these numbers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	case lowest_latency:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
		new_itr = 70000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	case low_latency:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		new_itr = 20000; /* aka hwitr = ~200 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	case bulk_latency:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		new_itr = 4000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
set_itr_now:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	if (new_itr != adapter->itr) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		/* this attempts to bias the interrupt rate towards Bulk
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		 * by adding intermediate steps when interrupt rate is
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		 * increasing */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		new_itr = new_itr > adapter->itr ?
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		             min(adapter->itr + (new_itr >> 2), new_itr) :
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		             new_itr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		adapter->itr = new_itr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		ew32(ITR, 1000000000 / (new_itr * 256));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
#define E1000_TX_FLAGS_CSUM		0x00000001
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
#define E1000_TX_FLAGS_VLAN		0x00000002
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
#define E1000_TX_FLAGS_TSO		0x00000004
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
#define E1000_TX_FLAGS_IPV4		0x00000008
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
#define E1000_TX_FLAGS_VLAN_SHIFT	16
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
static int e1000_tso(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	struct e1000_context_desc *context_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	u32 cmd_length = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	u16 ipcse = 0, tucse, mss;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	int err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	if (skb_is_gso(skb)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		if (skb_header_cloned(skb)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
			if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
				return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		mss = skb_shinfo(skb)->gso_size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		if (skb->protocol == htons(ETH_P_IP)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
			struct iphdr *iph = ip_hdr(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
			iph->tot_len = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
			iph->check = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
								 iph->daddr, 0,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
								 IPPROTO_TCP,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
								 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
			cmd_length = E1000_TXD_CMD_IP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
			ipcse = skb_transport_offset(skb) - 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
			ipv6_hdr(skb)->payload_len = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
			tcp_hdr(skb)->check =
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
						 &ipv6_hdr(skb)->daddr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
						 0, IPPROTO_TCP, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
			ipcse = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		ipcss = skb_network_offset(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		tucss = skb_transport_offset(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		tucse = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		i = tx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		context_desc->upper_setup.tcp_fields.tucss = tucss;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		context_desc->upper_setup.tcp_fields.tucso = tucso;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		buffer_info->time_stamp = jiffies;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		buffer_info->next_to_watch = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		if (++i == tx_ring->count) i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		tx_ring->next_to_use = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		return true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	return false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
static bool e1000_tx_csum(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	struct e1000_context_desc *context_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	u8 css;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	u32 cmd_len = E1000_TXD_CMD_DEXT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	if (skb->ip_summed != CHECKSUM_PARTIAL)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		return false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	switch (skb->protocol) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	case cpu_to_be16(ETH_P_IP):
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
			cmd_len |= E1000_TXD_CMD_TCP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	case cpu_to_be16(ETH_P_IPV6):
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		/* XXX not handling all IPV6 headers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
			cmd_len |= E1000_TXD_CMD_TCP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		if (unlikely(net_ratelimit()))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
			e_warn(drv, "checksum_partial proto=%x!\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
			       skb->protocol);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	css = skb_checksum_start_offset(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	i = tx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	context_desc->lower_setup.ip_config = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	context_desc->upper_setup.tcp_fields.tucss = css;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	context_desc->upper_setup.tcp_fields.tucso =
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		css + skb->csum_offset;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	context_desc->upper_setup.tcp_fields.tucse = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	context_desc->tcp_seg_setup.data = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	buffer_info->time_stamp = jiffies;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	buffer_info->next_to_watch = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	if (unlikely(++i == tx_ring->count)) i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	tx_ring->next_to_use = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	return true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
#define E1000_MAX_TXD_PWR	12
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
static int e1000_tx_map(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
			struct e1000_tx_ring *tx_ring,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
			struct sk_buff *skb, unsigned int first,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
			unsigned int max_per_txd, unsigned int nr_frags,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
			unsigned int mss)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	unsigned int len = skb_headlen(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	unsigned int offset = 0, size, count = 0, i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	unsigned int f;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	i = tx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	while (len) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		size = min(len, max_per_txd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		/* Workaround for Controller erratum --
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		 * descriptor for non-tso packet in a linear SKB that follows a
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		 * tso gets written back prematurely before the data is fully
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		 * DMA'd to the controller */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		if (!skb->data_len && tx_ring->last_tx_tso &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		    !skb_is_gso(skb)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
			tx_ring->last_tx_tso = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
			size -= 4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		/* Workaround for premature desc write-backs
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		 * in TSO mode.  Append 4-byte sentinel desc */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		if (unlikely(mss && !nr_frags && size == len && size > 8))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
			size -= 4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		/* work-around for errata 10 and it applies
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		 * to all controllers in PCI-X mode
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		 * The fix is to make sure that the first descriptor of a
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		                (size > 2015) && count == 0))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		        size = 2015;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		 * terminating buffers within evenly-aligned dwords. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		if (unlikely(adapter->pcix_82544 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		   size > 4))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
			size -= 4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		buffer_info->length = size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		/* set time_stamp *before* dma to help avoid a possible race */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		buffer_info->time_stamp = jiffies;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		buffer_info->mapped_as_page = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		buffer_info->dma = dma_map_single(&pdev->dev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
						  skb->data + offset,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
						  size,	DMA_TO_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
			goto dma_error;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		buffer_info->next_to_watch = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		len -= size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		offset += size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		if (len) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
			i++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
			if (unlikely(i == tx_ring->count))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
				i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	for (f = 0; f < nr_frags; f++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		struct skb_frag_struct *frag;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		frag = &skb_shinfo(skb)->frags[f];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		len = frag->size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		offset = frag->page_offset;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		while (len) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
			i++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
			if (unlikely(i == tx_ring->count))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
				i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
			buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
			size = min(len, max_per_txd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
			/* Workaround for premature desc write-backs
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
			 * in TSO mode.  Append 4-byte sentinel desc */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
				size -= 4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			/* Workaround for potential 82544 hang in PCI-X.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
			 * Avoid terminating buffers within evenly-aligned
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
			 * dwords. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
			if (unlikely(adapter->pcix_82544 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
			    !((unsigned long)(page_to_phys(frag->page) + offset
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
			                      + size - 1) & 4) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
			    size > 4))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
				size -= 4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
			buffer_info->length = size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
			buffer_info->time_stamp = jiffies;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
			buffer_info->mapped_as_page = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
							offset,	size,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
							DMA_TO_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
				goto dma_error;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
			buffer_info->next_to_watch = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
			len -= size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
			offset += size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	tx_ring->buffer_info[i].skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	tx_ring->buffer_info[first].next_to_watch = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	return count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
dma_error:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	dev_err(&pdev->dev, "TX DMA map failed\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	if (count)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		count--;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	while (count--) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		if (i==0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			i += tx_ring->count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		i--;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
static void e1000_tx_queue(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
			   struct e1000_tx_ring *tx_ring, int tx_flags,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
			   int count)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	struct e1000_tx_desc *tx_desc = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		             E1000_TXD_CMD_TSE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		txd_lower |= E1000_TXD_CMD_VLE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	i = tx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	while (count--) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
		tx_desc = E1000_TX_DESC(*tx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		tx_desc->lower.data =
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
			cpu_to_le32(txd_lower | buffer_info->length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		tx_desc->upper.data = cpu_to_le32(txd_upper);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		if (unlikely(++i == tx_ring->count)) i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
	/* Force memory writes to complete before letting h/w
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	 * know there are new descriptors to fetch.  (Only
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
	 * applicable for weak-ordered memory model archs,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	 * such as IA-64). */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	wmb();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	tx_ring->next_to_use = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	writel(i, hw->hw_addr + tx_ring->tdt);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	/* we need this if more than one processor can write to our tail
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	 * at a time, it syncronizes IO on IA64/Altix systems */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	mmiowb();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
 * 82547 workaround to avoid controller hang in half-duplex environment.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
 * The workaround is to avoid queuing a large packet that would span
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
 * the internal Tx FIFO ring boundary by notifying the stack to resend
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
 * to the beginning of the Tx FIFO.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
#define E1000_FIFO_HDR			0x10
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
#define E1000_82547_PAD_LEN		0x3E0
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
				       struct sk_buff *skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	if (adapter->link_duplex != HALF_DUPLEX)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		goto no_fifo_stall_required;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	if (atomic_read(&adapter->tx_fifo_stall))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		return 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		atomic_set(&adapter->tx_fifo_stall, 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		return 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
no_fifo_stall_required:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	adapter->tx_fifo_head += skb_fifo_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	netif_stop_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	/* Herbert's original patch had:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	 *  smp_mb__after_netif_stop_queue();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	 * but since that doesn't exist yet, just open code it. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	smp_mb();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	/* We need to check again in a case another CPU has just
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	 * made room available. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		return -EBUSY;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	/* A reprieve! */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	netif_start_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	++adapter->restart_queue;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
static int e1000_maybe_stop_tx(struct net_device *netdev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
                               struct e1000_tx_ring *tx_ring, int size)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	return __e1000_maybe_stop_tx(netdev, size);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
				    struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	struct e1000_tx_ring *tx_ring;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	unsigned int tx_flags = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	unsigned int len = skb_headlen(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	unsigned int nr_frags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	unsigned int mss;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	int count = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	int tso;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	unsigned int f;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	/* This goes back to the question of how to logically map a tx queue
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	 * to a flow.  Right now, performance is impacted slightly negatively
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	 * if using multiple tx queues.  If the stack breaks away from a
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	 * single qdisc implementation, we can look at this again. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	tx_ring = adapter->tx_ring;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	if (unlikely(skb->len <= 0)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		dev_kfree_skb_any(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		return NETDEV_TX_OK;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	mss = skb_shinfo(skb)->gso_size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	/* The controller does a simple calculation to
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	 * make sure there is enough room in the FIFO before
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	 * initiating the DMA for each buffer.  The calc is:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	 * 4 = ceil(buffer len/mss).  To make sure we don't
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	 * overrun the FIFO, adjust the max buffer len if mss
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	 * drops. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	if (mss) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		u8 hdr_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		max_per_txd = min(mss << 2, max_per_txd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
		max_txd_pwr = fls(max_per_txd) - 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
		if (skb->data_len && hdr_len == len) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
			switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
				unsigned int pull_size;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
			case e1000_82544:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
				/* Make sure we have room to chop off 4 bytes,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
				 * and that the end alignment will work out to
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
				 * this hardware's requirements
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
				 * NOTE: this is a TSO only workaround
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
				 * if end byte alignment not correct move us
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
				 * into the next dword */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
					break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
				/* fall through */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
				pull_size = min((unsigned int)4, skb->data_len);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
				if (!__pskb_pull_tail(skb, pull_size)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
					e_err(drv, "__pskb_pull_tail "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
					      "failed.\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
					dev_kfree_skb_any(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
					return NETDEV_TX_OK;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
				}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
				len = skb_headlen(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
			default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
				/* do nothing */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	/* reserve a descriptor for the offload context */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	/* Controller Erratum workaround */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	count += TXD_USE_COUNT(len, max_txd_pwr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	if (adapter->pcix_82544)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	/* work-around for errata 10 and it applies to all controllers
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	 * in PCI-X mode, so add one more descriptor to the count
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
			(len > 2015)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	nr_frags = skb_shinfo(skb)->nr_frags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	for (f = 0; f < nr_frags; f++)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
				       max_txd_pwr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	if (adapter->pcix_82544)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		count += nr_frags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	/* need: count + 2 desc gap to keep tail from touching
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	 * head, otherwise try next time */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		return NETDEV_TX_BUSY;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	if (unlikely(hw->mac_type == e1000_82547)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
			netif_stop_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
			if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
				mod_timer(&adapter->tx_fifo_stall_timer,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
				          jiffies + 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
			return NETDEV_TX_BUSY;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	if (unlikely(vlan_tx_tag_present(skb))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		tx_flags |= E1000_TX_FLAGS_VLAN;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	first = tx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	tso = e1000_tso(adapter, tx_ring, skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	if (tso < 0) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		dev_kfree_skb_any(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		return NETDEV_TX_OK;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	if (likely(tso)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		if (likely(hw->mac_type != e1000_82544))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
			tx_ring->last_tx_tso = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
		tx_flags |= E1000_TX_FLAGS_TSO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		tx_flags |= E1000_TX_FLAGS_CSUM;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	if (likely(skb->protocol == htons(ETH_P_IP)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
		tx_flags |= E1000_TX_FLAGS_IPV4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	                     nr_frags, mss);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	if (count) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		/* Make sure there is space in the ring for the next send. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
		dev_kfree_skb_any(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
		tx_ring->buffer_info[first].time_stamp = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
		tx_ring->next_to_use = first;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	return NETDEV_TX_OK;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
 * e1000_tx_timeout - Respond to a Tx Hang
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
static void e1000_tx_timeout(struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	/* Do the reset outside of interrupt context */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	adapter->tx_timeout_count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	schedule_work(&adapter->reset_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
static void e1000_reset_task(struct work_struct *work)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	struct e1000_adapter *adapter =
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
		container_of(work, struct e1000_adapter, reset_task);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	e1000_reinit_safe(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
 * e1000_get_stats - Get System Network Statistics
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
 * Returns the address of the device statistics structure.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
 * The statistics are actually updated from the timer callback.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	/* only return the current stats */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	return &netdev->stats;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
 * e1000_change_mtu - Change the Maximum Transfer Unit
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
 * @netdev: network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
 * @new_mtu: new value for maximum frame size
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
 * Returns 0 on success, negative on failure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		e_err(probe, "Invalid MTU setting\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
		return -EINVAL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	/* Adapter-specific max frame size limits. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	switch (hw->mac_type) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	case e1000_undefined ... e1000_82542_rev2_1:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
			e_err(probe, "Jumbo Frames not supported.\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
			return -EINVAL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
		msleep(1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	/* e1000_down has a dependency on max_frame_size */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	hw->max_frame_size = max_frame;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	if (netif_running(netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		e1000_down(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	 * means we reserve 2 more, this pushes us to allocate from the next
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	 * larger slab size.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	 * i.e. RXBUFFER_2048 --> size-4096 slab
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	 *  fragmented skbs */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	if (max_frame <= E1000_RXBUFFER_2048)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
		adapter->rx_buffer_len = PAGE_SIZE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
#endif
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	/* adjust allocation if LPE protects us, and we aren't using SBP */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	if (!hw->tbi_compatibility_on &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	pr_info("%s changing MTU from %d to %d\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
		netdev->name, netdev->mtu, new_mtu);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	netdev->mtu = new_mtu;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	if (netif_running(netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		e1000_up(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	clear_bit(__E1000_RESETTING, &adapter->flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
 * e1000_update_stats - Update the board statistics counters
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
void e1000_update_stats(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	unsigned long flags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	u16 phy_tmp;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	 * Prevent stats update while adapter is being reset, or if the pci
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	 * connection is down.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	if (adapter->link_speed == 0)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	if (pci_channel_offline(pdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	spin_lock_irqsave(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	/* these counters are modified from e1000_tbi_adjust_stats,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	 * called from the interrupt context, so they must only
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	 * be written while holding adapter->stats_lock
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	adapter->stats.crcerrs += er32(CRCERRS);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	adapter->stats.gprc += er32(GPRC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	adapter->stats.gorcl += er32(GORCL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	adapter->stats.gorch += er32(GORCH);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	adapter->stats.bprc += er32(BPRC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	adapter->stats.mprc += er32(MPRC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	adapter->stats.roc += er32(ROC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	adapter->stats.prc64 += er32(PRC64);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	adapter->stats.prc127 += er32(PRC127);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	adapter->stats.prc255 += er32(PRC255);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	adapter->stats.prc511 += er32(PRC511);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	adapter->stats.prc1023 += er32(PRC1023);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	adapter->stats.prc1522 += er32(PRC1522);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	adapter->stats.symerrs += er32(SYMERRS);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	adapter->stats.mpc += er32(MPC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	adapter->stats.scc += er32(SCC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	adapter->stats.ecol += er32(ECOL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	adapter->stats.mcc += er32(MCC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	adapter->stats.latecol += er32(LATECOL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	adapter->stats.dc += er32(DC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	adapter->stats.sec += er32(SEC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	adapter->stats.rlec += er32(RLEC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	adapter->stats.xonrxc += er32(XONRXC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	adapter->stats.xontxc += er32(XONTXC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	adapter->stats.xoffrxc += er32(XOFFRXC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	adapter->stats.xofftxc += er32(XOFFTXC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	adapter->stats.fcruc += er32(FCRUC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	adapter->stats.gptc += er32(GPTC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	adapter->stats.gotcl += er32(GOTCL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	adapter->stats.gotch += er32(GOTCH);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	adapter->stats.rnbc += er32(RNBC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	adapter->stats.ruc += er32(RUC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	adapter->stats.rfc += er32(RFC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	adapter->stats.rjc += er32(RJC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	adapter->stats.torl += er32(TORL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	adapter->stats.torh += er32(TORH);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	adapter->stats.totl += er32(TOTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	adapter->stats.toth += er32(TOTH);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	adapter->stats.tpr += er32(TPR);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	adapter->stats.ptc64 += er32(PTC64);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	adapter->stats.ptc127 += er32(PTC127);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	adapter->stats.ptc255 += er32(PTC255);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	adapter->stats.ptc511 += er32(PTC511);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	adapter->stats.ptc1023 += er32(PTC1023);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	adapter->stats.ptc1522 += er32(PTC1522);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	adapter->stats.mptc += er32(MPTC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	adapter->stats.bptc += er32(BPTC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	/* used for adaptive IFS */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	hw->tx_packet_delta = er32(TPT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	adapter->stats.tpt += hw->tx_packet_delta;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	hw->collision_delta = er32(COLC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	adapter->stats.colc += hw->collision_delta;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	if (hw->mac_type >= e1000_82543) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		adapter->stats.algnerrc += er32(ALGNERRC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		adapter->stats.rxerrc += er32(RXERRC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		adapter->stats.tncrs += er32(TNCRS);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		adapter->stats.cexterr += er32(CEXTERR);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		adapter->stats.tsctc += er32(TSCTC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		adapter->stats.tsctfc += er32(TSCTFC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	/* Fill out the OS statistics structure */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	netdev->stats.multicast = adapter->stats.mprc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	netdev->stats.collisions = adapter->stats.colc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	/* Rx Errors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	/* RLEC on some newer hardware can be incorrect so build
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	* our own version based on RUC and ROC */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	netdev->stats.rx_errors = adapter->stats.rxerrc +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
		adapter->stats.crcerrs + adapter->stats.algnerrc +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		adapter->stats.ruc + adapter->stats.roc +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		adapter->stats.cexterr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	/* Tx Errors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	netdev->stats.tx_errors = adapter->stats.txerrc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	netdev->stats.tx_window_errors = adapter->stats.latecol;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	if (hw->bad_tx_carr_stats_fd &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	    adapter->link_duplex == FULL_DUPLEX) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		netdev->stats.tx_carrier_errors = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		adapter->stats.tncrs = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	/* Tx Dropped needs to be maintained elsewhere */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	/* Phy Stats */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	if (hw->media_type == e1000_media_type_copper) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		if ((adapter->link_speed == SPEED_1000) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
			adapter->phy_stats.idle_errors += phy_tmp;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		if ((hw->mac_type <= e1000_82546) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
		   (hw->phy_type == e1000_phy_m88) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
			adapter->phy_stats.receive_errors += phy_tmp;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	/* Management Stats */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	if (hw->has_smbus) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		adapter->stats.mgptc += er32(MGTPTC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		adapter->stats.mgprc += er32(MGTPRC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		adapter->stats.mgpdc += er32(MGTPDC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
 * e1000_intr - Interrupt Handler
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
 * @irq: interrupt number
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
 * @data: pointer to a network interface device structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
static irqreturn_t e1000_intr(int irq, void *data)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	struct net_device *netdev = data;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	u32 icr = er32(ICR);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	if (unlikely((!icr)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		return IRQ_NONE;  /* Not our interrupt */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	 * we might have caused the interrupt, but the above
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	 * read cleared it, and just in case the driver is
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	 * down there is nothing to do so return handled
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
		return IRQ_HANDLED;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
		hw->get_link_status = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
		/* guard against interrupt when we're going down */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
		if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	/* disable interrupts, without the synchronize_irq bit */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	ew32(IMC, ~0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	E1000_WRITE_FLUSH();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	if (likely(napi_schedule_prep(&adapter->napi))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		adapter->total_tx_bytes = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		adapter->total_tx_packets = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		adapter->total_rx_bytes = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		adapter->total_rx_packets = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		__napi_schedule(&adapter->napi);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		/* this really should not happen! if it does it is basically a
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		 * bug, but not a hard error, so enable ints and continue */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
		if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
			e1000_irq_enable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	return IRQ_HANDLED;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
 * e1000_clean - NAPI Rx polling callback
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
static int e1000_clean(struct napi_struct *napi, int budget)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	int tx_clean_complete = 0, work_done = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	if (!tx_clean_complete)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		work_done = budget;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	/* If budget not fully consumed, exit the polling mode */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	if (work_done < budget) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		if (likely(adapter->itr_setting & 3))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
			e1000_set_itr(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		napi_complete(napi);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
			e1000_irq_enable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	return work_done;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
			       struct e1000_tx_ring *tx_ring)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	struct e1000_tx_desc *tx_desc, *eop_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	unsigned int i, eop;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	unsigned int count = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	unsigned int total_tx_bytes=0, total_tx_packets=0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	i = tx_ring->next_to_clean;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	eop = tx_ring->buffer_info[i].next_to_watch;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	       (count < tx_ring->count)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		bool cleaned = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		rmb();	/* read buffer_info after eop_desc */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		for ( ; !cleaned; count++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
			tx_desc = E1000_TX_DESC(*tx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
			buffer_info = &tx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
			cleaned = (i == eop);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
			if (cleaned) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
				struct sk_buff *skb = buffer_info->skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
				unsigned int segs, bytecount;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
				segs = skb_shinfo(skb)->gso_segs ?: 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
				/* multiply data chunks by size of headers */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
				bytecount = ((segs - 1) * skb_headlen(skb)) +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
				            skb->len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
				total_tx_packets += segs;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
				total_tx_bytes += bytecount;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
			tx_desc->upper.data = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
			if (unlikely(++i == tx_ring->count)) i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
		eop = tx_ring->buffer_info[i].next_to_watch;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	tx_ring->next_to_clean = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
#define TX_WAKE_THRESHOLD 32
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	if (unlikely(count && netif_carrier_ok(netdev) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		/* Make sure that anybody stopping the queue after this
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		 * sees the new next_to_clean.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		smp_mb();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		if (netif_queue_stopped(netdev) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
			netif_wake_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
			++adapter->restart_queue;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	if (adapter->detect_tx_hung) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		/* Detect a transmit hang in hardware, this serializes the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		 * check with the clearing of time_stamp and movement of i */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		adapter->detect_tx_hung = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		if (tx_ring->buffer_info[eop].time_stamp &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		               (adapter->tx_timeout_factor * HZ)) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
			/* detected Tx unit hang */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
			e_err(drv, "Detected Tx Unit Hang\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
			      "  Tx Queue             <%lu>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
			      "  TDH                  <%x>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
			      "  TDT                  <%x>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
			      "  next_to_use          <%x>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
			      "  next_to_clean        <%x>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
			      "buffer_info[next_to_clean]\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
			      "  time_stamp           <%lx>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
			      "  next_to_watch        <%x>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
			      "  jiffies              <%lx>\n"
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
			      "  next_to_watch.status <%x>\n",
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
				(unsigned long)((tx_ring - adapter->tx_ring) /
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
					sizeof(struct e1000_tx_ring)),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
				readl(hw->hw_addr + tx_ring->tdh),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
				readl(hw->hw_addr + tx_ring->tdt),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
				tx_ring->next_to_use,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
				tx_ring->next_to_clean,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
				tx_ring->buffer_info[eop].time_stamp,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
				eop,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
				jiffies,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
				eop_desc->upper.fields.status);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
			netif_stop_queue(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	adapter->total_tx_bytes += total_tx_bytes;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	adapter->total_tx_packets += total_tx_packets;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	netdev->stats.tx_bytes += total_tx_bytes;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	netdev->stats.tx_packets += total_tx_packets;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	return count < tx_ring->count;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
 * e1000_rx_checksum - Receive Checksum Offload for 82543
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
 * @adapter:     board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
 * @status_err:  receive descriptor status and error fields
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
 * @csum:        receive descriptor csum field
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
 * @sk_buff:     socket buffer with received data
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
			      u32 csum, struct sk_buff *skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	u16 status = (u16)status_err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	u8 errors = (u8)(status_err >> 24);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	skb_checksum_none_assert(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	/* 82543 or newer only */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	if (unlikely(hw->mac_type < e1000_82543)) return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	/* Ignore Checksum bit is set */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	/* TCP/UDP checksum error bit is set */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
		/* let the stack verify checksum errors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
		adapter->hw_csum_err++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	/* TCP/UDP Checksum has not been calculated */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	if (!(status & E1000_RXD_STAT_TCPCS))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	/* It must be a TCP or UDP packet with a valid checksum */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
		/* TCP checksum is good */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
		skb->ip_summed = CHECKSUM_UNNECESSARY;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	adapter->hw_csum_good++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
 * e1000_consume_page - helper function
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
                               u16 length)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	bi->page = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	skb->len += length;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	skb->data_len += length;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	skb->truesize += length;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
 * e1000_receive_skb - helper function to handle rx indications
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
 * @status: descriptor status field as written by hardware
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
 * @skb: pointer to sk_buff to be indicated to stack
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
			      __le16 vlan, struct sk_buff *skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	skb->protocol = eth_type_trans(skb, adapter->netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	if ((unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
				 le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
				 skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
		napi_gro_receive(&adapter->napi, skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
 * @rx_ring: ring to clean
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
 * @work_done: amount of napi work completed this call
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
 * @work_to_do: max amount of work allowed for this call to do
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
 * the return value indicates whether actual cleaning was done, there
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
 * is no guarantee that everything was cleaned
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
				     struct e1000_rx_ring *rx_ring,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
				     int *work_done, int work_to_do)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	struct e1000_rx_desc *rx_desc, *next_rxd;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	struct e1000_buffer *buffer_info, *next_buffer;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	unsigned long irq_flags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	u32 length;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	int cleaned_count = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	bool cleaned = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	unsigned int total_rx_bytes=0, total_rx_packets=0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	i = rx_ring->next_to_clean;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	rx_desc = E1000_RX_DESC(*rx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	while (rx_desc->status & E1000_RXD_STAT_DD) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		struct sk_buff *skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		u8 status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
		if (*work_done >= work_to_do)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		(*work_done)++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		rmb(); /* read descriptor and rx_buffer_info after status DD */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		status = rx_desc->status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
		skb = buffer_info->skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
		buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		if (++i == rx_ring->count) i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		next_rxd = E1000_RX_DESC(*rx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		prefetch(next_rxd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		next_buffer = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
		cleaned = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
		cleaned_count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		dma_unmap_page(&pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
			       buffer_info->length, DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		length = le16_to_cpu(rx_desc->length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		/* errors is only valid for DD + EOP descriptors */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		if (unlikely((status & E1000_RXD_STAT_EOP) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
			u8 last_byte = *(skb->data + length - 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
				       last_byte)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
				spin_lock_irqsave(&adapter->stats_lock,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
				                  irq_flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
				e1000_tbi_adjust_stats(hw, &adapter->stats,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
				                       length, skb->data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
				spin_unlock_irqrestore(&adapter->stats_lock,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
				                       irq_flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
				length--;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
			} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
				/* recycle both page and skb */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
				buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
				/* an error means any chain goes out the window
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
				 * too */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
				if (rx_ring->rx_skb_top)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
					dev_kfree_skb(rx_ring->rx_skb_top);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
				rx_ring->rx_skb_top = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
				goto next_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
#define rxtop rx_ring->rx_skb_top
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		if (!(status & E1000_RXD_STAT_EOP)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
			/* this descriptor is only the beginning (or middle) */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
			if (!rxtop) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
				/* this is the beginning of a chain */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
				rxtop = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
				                   0, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
			} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
				/* this is the middle of a chain */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
				skb_fill_page_desc(rxtop,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
				    skb_shinfo(rxtop)->nr_frags,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
				    buffer_info->page, 0, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
				/* re-use the skb, only consumed the page */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
				buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
			e1000_consume_page(buffer_info, rxtop, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
			goto next_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
			if (rxtop) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
				/* end of the chain */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
				skb_fill_page_desc(rxtop,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
				    skb_shinfo(rxtop)->nr_frags,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
				    buffer_info->page, 0, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
				/* re-use the current skb, we only consumed the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
				 * page */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
				buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
				skb = rxtop;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
				rxtop = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
				e1000_consume_page(buffer_info, skb, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
			} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
				/* no chain, got EOP, this buf is the packet
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
				 * copybreak to save the put_page/alloc_page */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
				if (length <= copybreak &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
				    skb_tailroom(skb) >= length) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
					u8 *vaddr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
					vaddr = kmap_atomic(buffer_info->page,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
					                    KM_SKB_DATA_SOFTIRQ);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
					memcpy(skb_tail_pointer(skb), vaddr, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
					kunmap_atomic(vaddr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
					              KM_SKB_DATA_SOFTIRQ);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
					/* re-use the page, so don't erase
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
					 * buffer_info->page */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
					skb_put(skb, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
				} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
					skb_fill_page_desc(skb, 0,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
					                   buffer_info->page, 0,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
				                           length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
					e1000_consume_page(buffer_info, skb,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
					                   length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
				}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		e1000_rx_checksum(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		                  (u32)(status) |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		                  ((u32)(rx_desc->errors) << 24),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		                  le16_to_cpu(rx_desc->csum), skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		pskb_trim(skb, skb->len - 4);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		/* probably a little skewed due to removing CRC */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		total_rx_bytes += skb->len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		total_rx_packets++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		/* eth type trans needs skb->data to point to something */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		if (!pskb_may_pull(skb, ETH_HLEN)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
			e_err(drv, "pskb_may_pull failed.\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
			dev_kfree_skb(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
			goto next_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		e1000_receive_skb(adapter, status, rx_desc->special, skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
next_desc:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		rx_desc->status = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
		/* return some buffers to hardware, one at a time is too slow */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
			cleaned_count = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		/* use prefetched values */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		rx_desc = next_rxd;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		buffer_info = next_buffer;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	rx_ring->next_to_clean = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	if (cleaned_count)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	adapter->total_rx_packets += total_rx_packets;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	adapter->total_rx_bytes += total_rx_bytes;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	netdev->stats.rx_bytes += total_rx_bytes;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	netdev->stats.rx_packets += total_rx_packets;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	return cleaned;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
 * this should improve performance for small packets with large amounts
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
 * of reassembly being done in the stack
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
static void e1000_check_copybreak(struct net_device *netdev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
				 struct e1000_buffer *buffer_info,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
				 u32 length, struct sk_buff **skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	struct sk_buff *new_skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	if (length > copybreak)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	if (!new_skb)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
				       (*skb)->data - NET_IP_ALIGN,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
				       length + NET_IP_ALIGN);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	/* save the skb in buffer_info as good */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	buffer_info->skb = *skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	*skb = new_skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
 * @adapter: board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
 * @rx_ring: ring to clean
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
 * @work_done: amount of napi work completed this call
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
 * @work_to_do: max amount of work allowed for this call to do
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
			       struct e1000_rx_ring *rx_ring,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
			       int *work_done, int work_to_do)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	struct e1000_rx_desc *rx_desc, *next_rxd;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	struct e1000_buffer *buffer_info, *next_buffer;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	unsigned long flags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	u32 length;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	int cleaned_count = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	bool cleaned = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	unsigned int total_rx_bytes=0, total_rx_packets=0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	i = rx_ring->next_to_clean;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	rx_desc = E1000_RX_DESC(*rx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	while (rx_desc->status & E1000_RXD_STAT_DD) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		struct sk_buff *skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		u8 status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
		if (*work_done >= work_to_do)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
		(*work_done)++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		rmb(); /* read descriptor and rx_buffer_info after status DD */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		status = rx_desc->status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		skb = buffer_info->skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		prefetch(skb->data - NET_IP_ALIGN);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		if (++i == rx_ring->count) i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		next_rxd = E1000_RX_DESC(*rx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		prefetch(next_rxd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		next_buffer = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		cleaned = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		cleaned_count++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		dma_unmap_single(&pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
				 buffer_info->length, DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		length = le16_to_cpu(rx_desc->length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		/* !EOP means multiple descriptors were used to store a single
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		 * packet, if thats the case we need to toss it.  In fact, we
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		 * to toss every packet with the EOP bit clear and the next
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		 * frame that _does_ have the EOP bit set, as it is by
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		 * definition only a frame fragment
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
			adapter->discarding = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		if (adapter->discarding) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
			/* All receives must fit into a single buffer */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
			e_dbg("Receive packet consumed multiple buffers\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
			/* recycle */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
			buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
			if (status & E1000_RXD_STAT_EOP)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
				adapter->discarding = false;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
			goto next_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			u8 last_byte = *(skb->data + length - 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
				       last_byte)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
				spin_lock_irqsave(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
				e1000_tbi_adjust_stats(hw, &adapter->stats,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
				                       length, skb->data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
				spin_unlock_irqrestore(&adapter->stats_lock,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
				                       flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
				length--;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
				/* recycle */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
				buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
				goto next_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		/* adjust length to remove Ethernet CRC, this must be
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		 * done after the TBI_ACCEPT workaround above */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		length -= 4;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		/* probably a little skewed due to removing CRC */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		total_rx_bytes += length;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		total_rx_packets++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		skb_put(skb, length);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		/* Receive Checksum Offload */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		e1000_rx_checksum(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
				  (u32)(status) |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
				  ((u32)(rx_desc->errors) << 24),
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
				  le16_to_cpu(rx_desc->csum), skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		e1000_receive_skb(adapter, status, rx_desc->special, skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
next_desc:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		rx_desc->status = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
		/* return some buffers to hardware, one at a time is too slow */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
			cleaned_count = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
		/* use prefetched values */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
		rx_desc = next_rxd;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
		buffer_info = next_buffer;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	rx_ring->next_to_clean = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	if (cleaned_count)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	adapter->total_rx_packets += total_rx_packets;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	adapter->total_rx_bytes += total_rx_bytes;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
	netdev->stats.rx_bytes += total_rx_bytes;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	netdev->stats.rx_packets += total_rx_packets;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	return cleaned;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
 * @adapter: address of board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
 * @rx_ring: pointer to receive ring structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
 * @cleaned_count: number of buffers to allocate this pass
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
static void
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	struct e1000_rx_desc *rx_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	struct sk_buff *skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	i = rx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	while (cleaned_count--) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		skb = buffer_info->skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
		if (skb) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
			skb_trim(skb, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
			goto check_page;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		if (unlikely(!skb)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
			/* Better luck next round */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
			adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		/* Fix for errata 23, can't cross 64kB boundary */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
			struct sk_buff *oldskb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
			e_err(rx_err, "skb align check failed: %u bytes at "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
			      "%p\n", bufsz, skb->data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
			/* Try again, without freeing the previous */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
			/* Failed allocation, critical failure */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			if (!skb) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
				dev_kfree_skb(oldskb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
				adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
				/* give up */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
				dev_kfree_skb(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
				dev_kfree_skb(oldskb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
				break; /* while (cleaned_count--) */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
			/* Use new allocation */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
			dev_kfree_skb(oldskb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
		buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		buffer_info->length = adapter->rx_buffer_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
check_page:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
		/* allocate a new page if necessary */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		if (!buffer_info->page) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			buffer_info->page = alloc_page(GFP_ATOMIC);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
			if (unlikely(!buffer_info->page)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
				adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		if (!buffer_info->dma) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
			buffer_info->dma = dma_map_page(&pdev->dev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
			                                buffer_info->page, 0,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
							buffer_info->length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
							DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
				put_page(buffer_info->page);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
				dev_kfree_skb(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
				buffer_info->page = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
				buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
				buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
				adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
				break; /* while !buffer_info->skb */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		rx_desc = E1000_RX_DESC(*rx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		if (unlikely(++i == rx_ring->count))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
			i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
	if (likely(rx_ring->next_to_use != i)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		rx_ring->next_to_use = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		if (unlikely(i-- == 0))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
			i = (rx_ring->count - 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		/* Force memory writes to complete before letting h/w
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		 * know there are new descriptors to fetch.  (Only
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		 * applicable for weak-ordered memory model archs,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		 * such as IA-64). */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		wmb();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
 * @adapter: address of board private structure
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
				   struct e1000_rx_ring *rx_ring,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
				   int cleaned_count)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	struct net_device *netdev = adapter->netdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	struct pci_dev *pdev = adapter->pdev;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	struct e1000_rx_desc *rx_desc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	struct e1000_buffer *buffer_info;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	struct sk_buff *skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	unsigned int i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	unsigned int bufsz = adapter->rx_buffer_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
	i = rx_ring->next_to_use;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
	buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
	while (cleaned_count--) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
		skb = buffer_info->skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		if (skb) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
			skb_trim(skb, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
			goto map_skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		if (unlikely(!skb)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
			/* Better luck next round */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
			adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
			break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
		/* Fix for errata 23, can't cross 64kB boundary */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
			struct sk_buff *oldskb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
			e_err(rx_err, "skb align check failed: %u bytes at "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
			      "%p\n", bufsz, skb->data);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
			/* Try again, without freeing the previous */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
			/* Failed allocation, critical failure */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
			if (!skb) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
				dev_kfree_skb(oldskb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
				adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
				/* give up */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
				dev_kfree_skb(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
				dev_kfree_skb(oldskb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
				adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
				break; /* while !buffer_info->skb */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
			/* Use new allocation */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
			dev_kfree_skb(oldskb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		buffer_info->skb = skb;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
		buffer_info->length = adapter->rx_buffer_len;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
map_skb:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		buffer_info->dma = dma_map_single(&pdev->dev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
						  skb->data,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
						  buffer_info->length,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
						  DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			dev_kfree_skb(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
			buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
			buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
			adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			break; /* while !buffer_info->skb */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		 * XXX if it was allocated cleanly it will never map to a
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		 * boundary crossing
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		/* Fix for errata 23, can't cross 64kB boundary */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		if (!e1000_check_64k_bound(adapter,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
					(void *)(unsigned long)buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
					adapter->rx_buffer_len)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			e_err(rx_err, "dma align check failed: %u bytes at "
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			      "%p\n", adapter->rx_buffer_len,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
			      (void *)(unsigned long)buffer_info->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
			dev_kfree_skb(skb);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
			buffer_info->skb = NULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			dma_unmap_single(&pdev->dev, buffer_info->dma,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
					 adapter->rx_buffer_len,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
					 DMA_FROM_DEVICE);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
			buffer_info->dma = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			adapter->alloc_rx_buff_failed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			break; /* while !buffer_info->skb */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		rx_desc = E1000_RX_DESC(*rx_ring, i);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		if (unlikely(++i == rx_ring->count))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
			i = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		buffer_info = &rx_ring->buffer_info[i];
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	if (likely(rx_ring->next_to_use != i)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		rx_ring->next_to_use = i;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		if (unlikely(i-- == 0))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			i = (rx_ring->count - 1);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		/* Force memory writes to complete before letting h/w
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		 * know there are new descriptors to fetch.  (Only
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		 * applicable for weak-ordered memory model archs,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		 * such as IA-64). */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		wmb();
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		writel(i, hw->hw_addr + rx_ring->rdt);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
 * @adapter:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
static void e1000_smartspeed(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
	u16 phy_status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	u16 phy_ctrl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	if (adapter->smartspeed == 0) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
		/* If Master/Slave config fault is asserted twice,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		 * we assume back-to-back */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
					    phy_ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			adapter->smartspeed++;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			if (!e1000_phy_setup_autoneg(hw) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
			   !e1000_read_phy_reg(hw, PHY_CTRL,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
				   	       &phy_ctrl)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
					     MII_CR_RESTART_AUTO_NEG);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
				e1000_write_phy_reg(hw, PHY_CTRL,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
						    phy_ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
		/* If still no link, perhaps using 2/3 pair cable */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		phy_ctrl |= CR_1000T_MS_ENABLE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
		if (!e1000_phy_setup_autoneg(hw) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
				     MII_CR_RESTART_AUTO_NEG);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		adapter->smartspeed = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
 * e1000_ioctl -
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
 * @netdev:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
 * @ifreq:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
 * @cmd:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	switch (cmd) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	case SIOCGMIIPHY:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	case SIOCGMIIREG:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	case SIOCSMIIREG:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		return e1000_mii_ioctl(netdev, ifr, cmd);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		return -EOPNOTSUPP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
 * e1000_mii_ioctl -
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
 * @netdev:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
 * @ifreq:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
 * @cmd:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
 **/
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
			   int cmd)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	struct mii_ioctl_data *data = if_mii(ifr);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	int retval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	u16 mii_reg;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	unsigned long flags;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
	if (hw->media_type != e1000_media_type_copper)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
		return -EOPNOTSUPP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	switch (cmd) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
	case SIOCGMIIPHY:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		data->phy_id = hw->phy_addr;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	case SIOCGMIIREG:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		spin_lock_irqsave(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
				   &data->val_out)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
			return -EIO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	case SIOCSMIIREG:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		if (data->reg_num & ~(0x1F))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
			return -EFAULT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		mii_reg = data->val_in;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		spin_lock_irqsave(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		if (e1000_write_phy_reg(hw, data->reg_num,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
					mii_reg)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			return -EIO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		if (hw->media_type == e1000_media_type_copper) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
			switch (data->reg_num) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
			case PHY_CTRL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
				if (mii_reg & MII_CR_POWER_DOWN)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
					break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
					hw->autoneg = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
					hw->autoneg_advertised = 0x2F;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
				} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
					u32 speed;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
					if (mii_reg & 0x40)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
						speed = SPEED_1000;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
					else if (mii_reg & 0x2000)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
						speed = SPEED_100;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
					else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
						speed = SPEED_10;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
					retval = e1000_set_spd_dplx(
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
						adapter, speed,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
						((mii_reg & 0x100)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
						 ? DUPLEX_FULL :
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
						 DUPLEX_HALF));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
					if (retval)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
						return retval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
				}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
				if (netif_running(adapter->netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
					e1000_reinit_locked(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
				else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
					e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
			case M88E1000_PHY_SPEC_CTRL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
			case M88E1000_EXT_PHY_SPEC_CTRL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
				if (e1000_phy_reset(hw))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
					return -EIO;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
		} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
			switch (data->reg_num) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
			case PHY_CTRL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
				if (mii_reg & MII_CR_POWER_DOWN)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
					break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
				if (netif_running(adapter->netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
					e1000_reinit_locked(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
				else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
					e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
				break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
			}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
		return -EOPNOTSUPP;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	return E1000_SUCCESS;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
void e1000_pci_set_mwi(struct e1000_hw *hw)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	struct e1000_adapter *adapter = hw->back;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	int ret_val = pci_set_mwi(adapter->pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	if (ret_val)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		e_err(probe, "Error in setting MWI\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
void e1000_pci_clear_mwi(struct e1000_hw *hw)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	struct e1000_adapter *adapter = hw->back;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	pci_clear_mwi(adapter->pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	struct e1000_adapter *adapter = hw->back;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	return pcix_get_mmrbc(adapter->pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	struct e1000_adapter *adapter = hw->back;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	pcix_set_mmrbc(adapter->pdev, mmrbc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	outl(value, port);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
static void e1000_vlan_rx_register(struct net_device *netdev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
				   struct vlan_group *grp)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	u32 ctrl, rctl;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
		e1000_irq_disable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	adapter->vlgrp = grp;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	if (grp) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		/* enable VLAN tag insert/strip */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		ctrl = er32(CTRL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
		ctrl |= E1000_CTRL_VME;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		ew32(CTRL, ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		/* enable VLAN receive filtering */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		rctl &= ~E1000_RCTL_CFIEN;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		if (!(netdev->flags & IFF_PROMISC))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			rctl |= E1000_RCTL_VFE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
		e1000_update_mng_vlan(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		/* disable VLAN tag insert/strip */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
		ctrl = er32(CTRL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		ctrl &= ~E1000_CTRL_VME;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		ew32(CTRL, ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		/* disable VLAN receive filtering */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		rctl &= ~E1000_RCTL_VFE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		e1000_irq_enable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	u32 vfta, index;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	if ((hw->mng_cookie.status &
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	    (vid == adapter->mng_vlan_id))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	/* add VID to filter table */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	index = (vid >> 5) & 0x7F;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	vfta |= (1 << (vid & 0x1F));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	e1000_write_vfta(hw, index, vfta);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	u32 vfta, index;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		e1000_irq_disable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	if (!test_bit(__E1000_DOWN, &adapter->flags))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		e1000_irq_enable(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	/* remove VID from filter table */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	index = (vid >> 5) & 0x7F;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	vfta &= ~(1 << (vid & 0x1F));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	e1000_write_vfta(hw, index, vfta);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
static void e1000_restore_vlan(struct e1000_adapter *adapter)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
	if (adapter->vlgrp) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		u16 vid;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		for (vid = 0; vid < VLAN_N_VID; vid++) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
			if (!vlan_group_get_device(adapter->vlgrp, vid))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
				continue;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	hw->autoneg = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	 * for the switch() below to work */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	if ((spd & 1) || (dplx & ~1))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		goto err_inval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	/* Fiber NICs only allow 1000 gbps Full duplex */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	if ((hw->media_type == e1000_media_type_fiber) &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	    spd != SPEED_1000 &&
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	    dplx != DUPLEX_FULL)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		goto err_inval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	switch (spd + dplx) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	case SPEED_10 + DUPLEX_HALF:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		hw->forced_speed_duplex = e1000_10_half;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	case SPEED_10 + DUPLEX_FULL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
		hw->forced_speed_duplex = e1000_10_full;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
	case SPEED_100 + DUPLEX_HALF:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		hw->forced_speed_duplex = e1000_100_half;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	case SPEED_100 + DUPLEX_FULL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		hw->forced_speed_duplex = e1000_100_full;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	case SPEED_1000 + DUPLEX_FULL:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		hw->autoneg = 1;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		break;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	default:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
		goto err_inval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
err_inval:
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	return -EINVAL;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	struct net_device *netdev = pci_get_drvdata(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
	u32 ctrl, ctrl_ext, rctl, status;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	u32 wufc = adapter->wol;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
#ifdef CONFIG_PM
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	int retval = 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
#endif
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	netif_device_detach(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	if (netif_running(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		e1000_down(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
#ifdef CONFIG_PM
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	retval = pci_save_state(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	if (retval)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		return retval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
#endif
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	status = er32(STATUS);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	if (status & E1000_STATUS_LU)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		wufc &= ~E1000_WUFC_LNKC;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	if (wufc) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		e1000_setup_rctl(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		e1000_set_rx_mode(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
		/* turn on all-multi mode if wake on multicast is enabled */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		if (wufc & E1000_WUFC_MC) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
			rctl = er32(RCTL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			rctl |= E1000_RCTL_MPE;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			ew32(RCTL, rctl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		if (hw->mac_type >= e1000_82540) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
			ctrl = er32(CTRL);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
			/* advertise wake from D3Cold */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
			#define E1000_CTRL_ADVD3WUC 0x00100000
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
			/* phy power management enable */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
			ctrl |= E1000_CTRL_ADVD3WUC |
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
				E1000_CTRL_EN_PHY_PWR_MGMT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			ew32(CTRL, ctrl);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		if (hw->media_type == e1000_media_type_fiber ||
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		    hw->media_type == e1000_media_type_internal_serdes) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
			/* keep the laser running in D3 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
			ctrl_ext = er32(CTRL_EXT);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
			ew32(CTRL_EXT, ctrl_ext);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		ew32(WUC, E1000_WUC_PME_EN);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		ew32(WUFC, wufc);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		ew32(WUC, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		ew32(WUFC, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	e1000_release_manageability(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	*enable_wake = !!wufc;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	/* make sure adapter isn't asleep if manageability is enabled */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	if (adapter->en_mng_pt)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		*enable_wake = true;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	if (netif_running(netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		e1000_free_irq(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	pci_disable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
#ifdef CONFIG_PM
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	int retval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	bool wake;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	retval = __e1000_shutdown(pdev, &wake);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	if (retval)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		return retval;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	if (wake) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		pci_prepare_to_sleep(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	} else {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		pci_wake_from_d3(pdev, false);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		pci_set_power_state(pdev, PCI_D3hot);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
static int e1000_resume(struct pci_dev *pdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	struct net_device *netdev = pci_get_drvdata(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	u32 err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	pci_set_power_state(pdev, PCI_D0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	pci_restore_state(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	pci_save_state(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	if (adapter->need_ioport)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		err = pci_enable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
		err = pci_enable_device_mem(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	if (err) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
		pr_err("Cannot enable PCI device from suspend\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
		return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	pci_set_master(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	pci_enable_wake(pdev, PCI_D3hot, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	pci_enable_wake(pdev, PCI_D3cold, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	if (netif_running(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		err = e1000_request_irq(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
		if (err)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
			return err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	e1000_power_up_phy(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	ew32(WUS, ~0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	e1000_init_manageability(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	if (netif_running(netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		e1000_up(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	netif_device_attach(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	return 0;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
#endif
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
static void e1000_shutdown(struct pci_dev *pdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	bool wake;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	__e1000_shutdown(pdev, &wake);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	if (system_state == SYSTEM_POWER_OFF) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
		pci_wake_from_d3(pdev, wake);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		pci_set_power_state(pdev, PCI_D3hot);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
#ifdef CONFIG_NET_POLL_CONTROLLER
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
/*
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
 * Polling 'interrupt' - used by things like netconsole to send skbs
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
 * without having to re-enable interrupts. It's not called while
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
 * the interrupt routine is executing.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
static void e1000_netpoll(struct net_device *netdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	disable_irq(adapter->pdev->irq);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	e1000_intr(adapter->pdev->irq, netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	enable_irq(adapter->pdev->irq);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
#endif
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
 * e1000_io_error_detected - called when PCI error is detected
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
 * @pdev: Pointer to PCI device
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
 * @state: The current pci connection state
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
 * This function is called after a PCI bus error affecting
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
 * this device has been detected.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
						pci_channel_state_t state)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	struct net_device *netdev = pci_get_drvdata(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	netif_device_detach(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	if (state == pci_channel_io_perm_failure)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		return PCI_ERS_RESULT_DISCONNECT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	if (netif_running(netdev))
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		e1000_down(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	pci_disable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	/* Request a slot slot reset. */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	return PCI_ERS_RESULT_NEED_RESET;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
 * e1000_io_slot_reset - called after the pci bus has been reset.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
 * @pdev: Pointer to PCI device
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
 * Restart the card from scratch, as if from a cold-boot. Implementation
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
 * resembles the first-half of the e1000_resume routine.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	struct net_device *netdev = pci_get_drvdata(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	struct e1000_hw *hw = &adapter->hw;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	int err;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	if (adapter->need_ioport)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		err = pci_enable_device(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	else
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		err = pci_enable_device_mem(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	if (err) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		pr_err("Cannot re-enable PCI device after reset.\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		return PCI_ERS_RESULT_DISCONNECT;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	pci_set_master(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	pci_enable_wake(pdev, PCI_D3hot, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	pci_enable_wake(pdev, PCI_D3cold, 0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	e1000_reset(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	ew32(WUS, ~0);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
	return PCI_ERS_RESULT_RECOVERED;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
/**
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
 * e1000_io_resume - called when traffic can start flowing again.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
 * @pdev: Pointer to PCI device
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
 *
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
 * This callback is called when the error recovery driver tells us that
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
 * its OK to resume normal operation. Implementation resembles the
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
 * second-half of the e1000_resume routine.
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
 */
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
static void e1000_io_resume(struct pci_dev *pdev)
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
{
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	struct net_device *netdev = pci_get_drvdata(pdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	struct e1000_adapter *adapter = netdev_priv(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	e1000_init_manageability(adapter);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	if (netif_running(netdev)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
		if (e1000_up(adapter)) {
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
			pr_info("can't bring device back up after reset\n");
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
			return;
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
		}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	netif_device_attach(netdev);
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
}
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
f7451c2c274f Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
/* e1000_main.c */