devices/e1000/e1000_main-3.8-orig.c
author Florian Pose <fp@igh-essen.com>
Thu, 19 Feb 2015 15:19:29 +0100
branchstable-1.5
changeset 2599 4b0b906df1b4
parent 2584 0e3d989ff233
permissions -rw-r--r--
Fixed bug concerning netdev_completed_queue(); thanks to B. Benner.
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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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#include <linux/bitops.h>
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#include <linux/if_vlan.h>
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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 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_task(struct work_struct *work);
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static void e1000_watchdog(struct work_struct *work);
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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 bool e1000_vlan_used(struct e1000_adapter *adapter);
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static void e1000_vlan_mode(struct net_device *netdev,
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			    netdev_features_t features);
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static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
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				     bool filter_on);
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static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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static int 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 const 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   = 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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#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
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static int debug = -1;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_get_hw_dev - return device
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 * used by hardware layer to print debugging information
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 *
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 **/
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struct net_device *e1000_get_hw_dev(struct e1000_hw *hw)
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{
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	struct e1000_adapter *adapter = hw->back;
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	return adapter->netdev;
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}
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	pr_info("%s - version %s\n", e1000_driver_string, e1000_driver_version);
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	pr_info("%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			pr_info("copybreak disabled\n");
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		else
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			pr_info("copybreak enabled for "
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				   "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	irq_handler_t handler = e1000_intr;
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	int irq_flags = IRQF_SHARED;
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	int err;
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	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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/**
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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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	ew32(IMC, ~0);
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	E1000_WRITE_FLUSH();
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	synchronize_irq(adapter->pdev->irq);
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}
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/**
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 * e1000_irq_enable - Enable default interrupt generation settings
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 * @adapter: board private structure
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 **/
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static void e1000_irq_enable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	ew32(IMS, IMS_ENABLE_MASK);
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	E1000_WRITE_FLUSH();
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}
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   326
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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
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	if (!e1000_vlan_used(adapter))
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		return;
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   336
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	if (!test_bit(vid, adapter->active_vlans)) {
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   338
		if (hw->mng_cookie.status &
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   339
		    E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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			e1000_vlan_rx_add_vid(netdev, vid);
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   341
			adapter->mng_vlan_id = vid;
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   342
		} else {
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			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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		}
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		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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   346
		    (vid != old_vid) &&
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   347
		    !test_bit(old_vid, adapter->active_vlans))
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			e1000_vlan_rx_kill_vid(netdev, old_vid);
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   349
	} else {
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   350
		adapter->mng_vlan_id = vid;
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   351
	}
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   352
}
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   353
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   354
static void e1000_init_manageability(struct e1000_adapter *adapter)
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   355
{
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   356
	struct e1000_hw *hw = &adapter->hw;
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   357
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   358
	if (adapter->en_mng_pt) {
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   359
		u32 manc = er32(MANC);
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   360
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   361
		/* disable hardware interception of ARP */
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   362
		manc &= ~(E1000_MANC_ARP_EN);
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   363
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   364
		ew32(MANC, manc);
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   365
	}
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   366
}
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   367
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   368
static void e1000_release_manageability(struct e1000_adapter *adapter)
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   369
{
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   370
	struct e1000_hw *hw = &adapter->hw;
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   371
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   372
	if (adapter->en_mng_pt) {
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   373
		u32 manc = er32(MANC);
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   374
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   375
		/* re-enable hardware interception of ARP */
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   376
		manc |= E1000_MANC_ARP_EN;
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   377
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   378
		ew32(MANC, manc);
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   379
	}
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   380
}
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   381
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   382
/**
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   383
 * e1000_configure - configure the hardware for RX and TX
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   384
 * @adapter = private board structure
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   385
 **/
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   386
static void e1000_configure(struct e1000_adapter *adapter)
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   387
{
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   388
	struct net_device *netdev = adapter->netdev;
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   389
	int i;
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   390
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   391
	e1000_set_rx_mode(netdev);
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   392
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   393
	e1000_restore_vlan(adapter);
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diff changeset
   394
	e1000_init_manageability(adapter);
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diff changeset
   395
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diff changeset
   396
	e1000_configure_tx(adapter);
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diff changeset
   397
	e1000_setup_rctl(adapter);
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diff changeset
   398
	e1000_configure_rx(adapter);
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parents:
diff changeset
   399
	/* call E1000_DESC_UNUSED which always leaves
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diff changeset
   400
	 * at least 1 descriptor unused to make sure
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diff changeset
   401
	 * next_to_use != next_to_clean */
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parents:
diff changeset
   402
	for (i = 0; i < adapter->num_rx_queues; i++) {
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parents:
diff changeset
   403
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
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parents:
diff changeset
   404
		adapter->alloc_rx_buf(adapter, ring,
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parents:
diff changeset
   405
		                      E1000_DESC_UNUSED(ring));
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parents:
diff changeset
   406
	}
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   407
}
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   408
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parents:
diff changeset
   409
int e1000_up(struct e1000_adapter *adapter)
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parents:
diff changeset
   410
{
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parents:
diff changeset
   411
	struct e1000_hw *hw = &adapter->hw;
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parents:
diff changeset
   412
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parents:
diff changeset
   413
	/* hardware has been reset, we need to reload some things */
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parents:
diff changeset
   414
	e1000_configure(adapter);
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parents:
diff changeset
   415
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   416
	clear_bit(__E1000_DOWN, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	napi_enable(&adapter->napi);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	netif_wake_queue(adapter->netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	/* fire a link change interrupt to start the watchdog */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	ew32(ICS, E1000_ICS_LSC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 * e1000_power_up_phy - restore link in case the phy was powered down
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 * @adapter: address of board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
 * The phy may be powered down to save power and turn off link when the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
 * driver is unloaded and wake on lan is not enabled (among others)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
 * *** this routine MUST be followed by a call to e1000_reset ***
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
void e1000_power_up_phy(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	u16 mii_reg = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	/* Just clear the power down bit to wake the phy back up */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	if (hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
		/* according to the manual, the phy will retain its
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		 * settings across a power-down/up cycle */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		mii_reg &= ~MII_CR_POWER_DOWN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
static void e1000_power_down_phy(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	/* Power down the PHY so no link is implied when interface is down *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	 * The PHY cannot be powered down if any of the following is true *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	 * (a) WoL is enabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	 * (b) AMT is active
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	 * (c) SoL/IDER session is active */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	   hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		u16 mii_reg = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		case e1000_82540:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		case e1000_82545:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		case e1000_ce4100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
				goto out;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
			goto out;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		mii_reg |= MII_CR_POWER_DOWN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		msleep(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
out:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
static void e1000_down_and_stop(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	set_bit(__E1000_DOWN, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	/* Only kill reset task if adapter is not resetting */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	if (!test_bit(__E1000_RESETTING, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		cancel_work_sync(&adapter->reset_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	cancel_delayed_work_sync(&adapter->watchdog_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	cancel_delayed_work_sync(&adapter->phy_info_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	cancel_delayed_work_sync(&adapter->fifo_stall_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
void e1000_down(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	u32 rctl, tctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	/* disable receives in the hardware */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	/* flush and sleep below */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	netif_tx_disable(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	/* disable transmits in the hardware */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	tctl = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	tctl &= ~E1000_TCTL_EN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	ew32(TCTL, tctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	/* flush both disables and wait for them to finish */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	msleep(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	napi_disable(&adapter->napi);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	e1000_irq_disable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	 * Setting DOWN must be after irq_disable to prevent
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	 * a screaming interrupt.  Setting DOWN also prevents
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	 * tasks from rescheduling.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	e1000_down_and_stop(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	adapter->link_speed = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	adapter->link_duplex = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	netif_carrier_off(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	e1000_clean_all_tx_rings(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	e1000_clean_all_rx_rings(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
static void e1000_reinit_safe(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		msleep(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	mutex_lock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	e1000_down(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	e1000_up(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	mutex_unlock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	clear_bit(__E1000_RESETTING, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
void e1000_reinit_locked(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	/* if rtnl_lock is not held the call path is bogus */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	ASSERT_RTNL();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	WARN_ON(in_interrupt());
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
		msleep(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	e1000_down(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	e1000_up(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	clear_bit(__E1000_RESETTING, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
void e1000_reset(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	bool legacy_pba_adjust = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	u16 hwm;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	/* Repartition Pba for greater than 9k mtu
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	 * To take effect CTRL.RST is required.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	case e1000_82540:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		legacy_pba_adjust = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		pba = E1000_PBA_48K;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	case e1000_82545:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	case e1000_82545_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	case e1000_ce4100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		pba = E1000_PBA_48K;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		legacy_pba_adjust = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		pba = E1000_PBA_30K;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	case e1000_undefined:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	case e1000_num_macs:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	if (legacy_pba_adjust) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
			pba -= 8; /* allocate more FIFO for Tx */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		if (hw->mac_type == e1000_82547) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
			adapter->tx_fifo_head = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
			adapter->tx_fifo_size =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
			atomic_set(&adapter->tx_fifo_stall, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		/* adjust PBA for jumbo frames */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		ew32(PBA, pba);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		/* To maintain wire speed transmits, the Tx FIFO should be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		 * large enough to accommodate two full transmit packets,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		 * the Rx FIFO should be large enough to accommodate at least
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		 * one full receive packet and is similarly rounded up and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		 * expressed in KB. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		pba = er32(PBA);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		/* upper 16 bits has Tx packet buffer allocation size in KB */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		tx_space = pba >> 16;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		/* lower 16 bits has Rx packet buffer allocation size in KB */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		pba &= 0xffff;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		 * the tx fifo also stores 16 bytes of information about the tx
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		 * but don't include ethernet FCS because hardware appends it
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		min_tx_space = (hw->max_frame_size +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		                sizeof(struct e1000_tx_desc) -
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		                ETH_FCS_LEN) * 2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		min_tx_space = ALIGN(min_tx_space, 1024);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		min_tx_space >>= 10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		/* software strips receive CRC, so leave room for it */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		min_rx_space = hw->max_frame_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		min_rx_space = ALIGN(min_rx_space, 1024);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		min_rx_space >>= 10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		/* If current Tx allocation is less than the min Tx FIFO size,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		 * and the min Tx FIFO size is less than the current Rx FIFO
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		 * allocation, take space away from current Rx allocation */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		if (tx_space < min_tx_space &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		    ((min_tx_space - tx_space) < pba)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			pba = pba - (min_tx_space - tx_space);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
			/* PCI/PCIx hardware has PBA alignment constraints */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
			switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			case e1000_82545 ... e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
				pba &= ~(E1000_PBA_8K - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
			/* if short on rx space, rx wins and must trump tx
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
			 * adjustment or use Early Receive if available */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
			if (pba < min_rx_space)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
				pba = min_rx_space;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	ew32(PBA, pba);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	 * flow control settings:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	 * The high water mark must be low enough to fit one full frame
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	 * (or the size used for early receive) above it in the Rx FIFO.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	 * Set it to the lower of:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	 * - 90% of the Rx FIFO size, and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	 * - the full Rx FIFO size minus the early receive size (for parts
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	 * - the full Rx FIFO size minus one full frame
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	hwm = min(((pba << 10) * 9 / 10),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		  ((pba << 10) - hw->max_frame_size));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	hw->fc_low_water = hw->fc_high_water - 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	hw->fc_send_xon = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	hw->fc = hw->original_fc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	/* Allow time for pending master requests to run */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	e1000_reset_hw(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	if (hw->mac_type >= e1000_82544)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		ew32(WUC, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	if (e1000_init_hw(hw))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		e_dev_err("Hardware Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	e1000_update_mng_vlan(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	if (hw->mac_type >= e1000_82544 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	    hw->autoneg == 1 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		u32 ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		/* clear phy power management bit if we are in gig only mode,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		 * which if enabled will attempt negotiation to 100Mb, which
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		 * can cause a loss of link at power off or driver unload */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
		ctrl &= ~E1000_CTRL_SWDPIN3;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	e1000_reset_adaptive(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	e1000_phy_get_info(hw, &adapter->phy_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	e1000_release_manageability(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
/* Dump the eeprom for users having checksum issues */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	struct ethtool_eeprom eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	const struct ethtool_ops *ops = netdev->ethtool_ops;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	u8 *data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	u16 csum_old, csum_new = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	eeprom.len = ops->get_eeprom_len(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	eeprom.offset = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	data = kmalloc(eeprom.len, GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	if (!data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	ops->get_eeprom(netdev, &eeprom, data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		csum_new += data[i] + (data[i + 1] << 8);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	csum_new = EEPROM_SUM - csum_new;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	pr_err("/*********************/\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	pr_err("Calculated              : 0x%04x\n", csum_new);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	pr_err("Offset    Values\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	pr_err("========  ======\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	pr_err("Include this output when contacting your support provider.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	pr_err("This is not a software error! Something bad happened to\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	pr_err("result in further problems, possibly loss of data,\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	pr_err("corruption or system hangs!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	pr_err("which is invalid and requires you to set the proper MAC\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	pr_err("address manually before continuing to enable this network\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	pr_err("device. Please inspect the EEPROM dump and report the\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	pr_err("/*********************/\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	kfree(data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
 * @pdev: PCI device information struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
 * Return true if an adapter needs ioport resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
static int e1000_is_need_ioport(struct pci_dev *pdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	switch (pdev->device) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	case E1000_DEV_ID_82540EM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	case E1000_DEV_ID_82540EM_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	case E1000_DEV_ID_82540EP:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	case E1000_DEV_ID_82540EP_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	case E1000_DEV_ID_82540EP_LP:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	case E1000_DEV_ID_82541EI:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	case E1000_DEV_ID_82541EI_MOBILE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	case E1000_DEV_ID_82541ER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	case E1000_DEV_ID_82541ER_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	case E1000_DEV_ID_82541GI:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	case E1000_DEV_ID_82541GI_LF:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	case E1000_DEV_ID_82541GI_MOBILE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	case E1000_DEV_ID_82544EI_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	case E1000_DEV_ID_82544EI_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	case E1000_DEV_ID_82544GC_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	case E1000_DEV_ID_82544GC_LOM:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	case E1000_DEV_ID_82545EM_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	case E1000_DEV_ID_82545EM_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	case E1000_DEV_ID_82546EB_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	case E1000_DEV_ID_82546EB_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		return true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		return false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
static netdev_features_t e1000_fix_features(struct net_device *netdev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	netdev_features_t features)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	 * Since there is no support for separate rx/tx vlan accel
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	 * enable/disable make sure tx flag is always in same state as rx.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	if (features & NETIF_F_HW_VLAN_RX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		features |= NETIF_F_HW_VLAN_TX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		features &= ~NETIF_F_HW_VLAN_TX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	return features;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
static int e1000_set_features(struct net_device *netdev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	netdev_features_t features)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	netdev_features_t changed = features ^ netdev->features;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	if (changed & NETIF_F_HW_VLAN_RX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		e1000_vlan_mode(netdev, features);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	if (!(changed & (NETIF_F_RXCSUM | NETIF_F_RXALL)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	netdev->features = features;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	adapter->rx_csum = !!(features & NETIF_F_RXCSUM);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		e1000_reinit_locked(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
static const struct net_device_ops e1000_netdev_ops = {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	.ndo_open		= e1000_open,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	.ndo_stop		= e1000_close,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	.ndo_start_xmit		= e1000_xmit_frame,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	.ndo_get_stats		= e1000_get_stats,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	.ndo_set_rx_mode	= e1000_set_rx_mode,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	.ndo_set_mac_address	= e1000_set_mac,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	.ndo_tx_timeout		= e1000_tx_timeout,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	.ndo_change_mtu		= e1000_change_mtu,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	.ndo_do_ioctl		= e1000_ioctl,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	.ndo_validate_addr	= eth_validate_addr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
#ifdef CONFIG_NET_POLL_CONTROLLER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	.ndo_poll_controller	= e1000_netpoll,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	.ndo_fix_features	= e1000_fix_features,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	.ndo_set_features	= e1000_set_features,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
};
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
 * e1000_init_hw_struct - initialize members of hw struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
 * @adapter: board private struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
 * @hw: structure used by e1000_hw.c
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
 * Factors out initialization of the e1000_hw struct to its own function
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
 * that can be called very early at init (just after struct allocation).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
 * Fields are initialized based on PCI device information and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
 * OS network device settings (MTU size).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
 * Returns negative error codes if MAC type setup fails.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
				struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	/* PCI config space info */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	hw->vendor_id = pdev->vendor;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	hw->device_id = pdev->device;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	hw->subsystem_id = pdev->subsystem_device;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	hw->revision_id = pdev->revision;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	hw->max_frame_size = adapter->netdev->mtu +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	/* identify the MAC */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	if (e1000_set_mac_type(hw)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		e_err(probe, "Unknown MAC Type\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		return -EIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	case e1000_82541:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	case e1000_82547:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	case e1000_82541_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	case e1000_82547_rev_2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		hw->phy_init_script = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	e1000_set_media_type(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	e1000_get_bus_info(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	hw->wait_autoneg_complete = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	hw->tbi_compatibility_en = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	hw->adaptive_ifs = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	/* Copper options */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	if (hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
		hw->mdix = AUTO_ALL_MODES;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		hw->disable_polarity_correction = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		hw->master_slave = E1000_MASTER_SLAVE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
 * e1000_probe - Device Initialization Routine
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
 * @pdev: PCI device information struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
 * @ent: entry in e1000_pci_tbl
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
 * Returns 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
 * e1000_probe initializes an adapter identified by a pci_dev structure.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
 * The OS initialization, configuring of the adapter private structure,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
 * and a hardware reset occur.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	struct net_device *netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	struct e1000_adapter *adapter;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	struct e1000_hw *hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	static int cards_found = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	int i, err, pci_using_dac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	u16 eeprom_data = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	u16 tmp = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	int bars, need_ioport;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	/* do not allocate ioport bars when not needed */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	need_ioport = e1000_is_need_ioport(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	if (need_ioport) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		err = pci_enable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		err = pci_enable_device_mem(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		goto err_pci_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	pci_set_master(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	err = pci_save_state(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		goto err_alloc_etherdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	err = -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	if (!netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		goto err_alloc_etherdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	SET_NETDEV_DEV(netdev, &pdev->dev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	pci_set_drvdata(pdev, netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	adapter->netdev = netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	adapter->pdev = pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	adapter->bars = bars;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	adapter->need_ioport = need_ioport;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	hw->back = adapter;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	err = -EIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	if (!hw->hw_addr)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		goto err_ioremap;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	if (adapter->need_ioport) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		for (i = BAR_1; i <= BAR_5; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
			if (pci_resource_len(pdev, i) == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
				continue;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
				hw->io_base = pci_resource_start(pdev, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	/* make ready for any if (hw->...) below */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	err = e1000_init_hw_struct(adapter, hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		goto err_sw_init;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	 * there is a workaround being applied below that limits
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	pci_using_dac = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	if ((hw->bus_type == e1000_bus_type_pcix) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		 * according to DMA-API-HOWTO, coherent calls will always
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		 * succeed if the set call did
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		pci_using_dac = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		if (err) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
			pr_err("No usable DMA config, aborting\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
			goto err_dma;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	netdev->netdev_ops = &e1000_netdev_ops;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	e1000_set_ethtool_ops(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	netdev->watchdog_timeo = 5 * HZ;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	adapter->bd_number = cards_found;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	/* setup the private structure */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	err = e1000_sw_init(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		goto err_sw_init;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	err = -EIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	if (hw->mac_type == e1000_ce4100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		hw->ce4100_gbe_mdio_base_virt =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
					ioremap(pci_resource_start(pdev, BAR_1),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		                                pci_resource_len(pdev, BAR_1));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		if (!hw->ce4100_gbe_mdio_base_virt)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
			goto err_mdio_ioremap;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	if (hw->mac_type >= e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		netdev->hw_features = NETIF_F_SG |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
				   NETIF_F_HW_CSUM |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
				   NETIF_F_HW_VLAN_RX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		netdev->features = NETIF_F_HW_VLAN_TX |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
				   NETIF_F_HW_VLAN_FILTER;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	if ((hw->mac_type >= e1000_82544) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	   (hw->mac_type != e1000_82547))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		netdev->hw_features |= NETIF_F_TSO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	netdev->priv_flags |= IFF_SUPP_NOFCS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	netdev->features |= netdev->hw_features;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	netdev->hw_features |= (NETIF_F_RXCSUM |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
				NETIF_F_RXALL |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
				NETIF_F_RXFCS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	if (pci_using_dac) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		netdev->features |= NETIF_F_HIGHDMA;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		netdev->vlan_features |= NETIF_F_HIGHDMA;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	netdev->vlan_features |= (NETIF_F_TSO |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
				  NETIF_F_HW_CSUM |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
				  NETIF_F_SG);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	netdev->priv_flags |= IFF_UNICAST_FLT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	/* initialize eeprom parameters */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	if (e1000_init_eeprom_params(hw)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		e_err(probe, "EEPROM initialization failed\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		goto err_eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	/* before reading the EEPROM, reset the controller to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	 * put the device in a known good starting state */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	e1000_reset_hw(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	/* make sure the EEPROM is good */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	if (e1000_validate_eeprom_checksum(hw) < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		e1000_dump_eeprom(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		 * set MAC address to all zeroes to invalidate and temporary
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		 * disable this device for the user. This blocks regular
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
		 * traffic while still permitting ethtool ioctls from reaching
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		 * the hardware as well as allowing the user to run the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		 * interface after manually setting a hw addr using
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		 * `ip set address`
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		memset(hw->mac_addr, 0, netdev->addr_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
		/* copy the MAC address out of the EEPROM */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		if (e1000_read_mac_addr(hw))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			e_err(probe, "EEPROM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	/* don't block initalization here due to bad MAC address */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	if (!is_valid_ether_addr(netdev->perm_addr))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		e_err(probe, "Invalid MAC Address\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	INIT_DELAYED_WORK(&adapter->watchdog_task, e1000_watchdog);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	INIT_DELAYED_WORK(&adapter->fifo_stall_task,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
			  e1000_82547_tx_fifo_stall_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	INIT_DELAYED_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	e1000_check_options(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	/* Initial Wake on LAN setting
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	 * If APM wake is enabled in the EEPROM,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	 * enable the ACPI Magic Packet filter
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	case e1000_82543:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		e1000_read_eeprom(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	case e1000_82546:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	case e1000_82546_rev_3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
			e1000_read_eeprom(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		/* Fall Through */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		e1000_read_eeprom(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	if (eeprom_data & eeprom_apme_mask)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		adapter->eeprom_wol |= E1000_WUFC_MAG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	/* now that we have the eeprom settings, apply the special cases
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	 * where the eeprom may be wrong or the board simply won't support
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	 * wake on lan on a particular port */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	switch (pdev->device) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	case E1000_DEV_ID_82546GB_PCIE:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		adapter->eeprom_wol = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	case E1000_DEV_ID_82546EB_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	case E1000_DEV_ID_82546GB_FIBER:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		/* Wake events only supported on port A for dual fiber
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		 * regardless of eeprom setting */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			adapter->eeprom_wol = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
		/* if quad port adapter, disable WoL on all but port A */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		if (global_quad_port_a != 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			adapter->eeprom_wol = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			adapter->quad_port_a = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		/* Reset for multiple quad port adapters */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		if (++global_quad_port_a == 4)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
			global_quad_port_a = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	/* initialize the wol settings based on the eeprom settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	adapter->wol = adapter->eeprom_wol;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	/* Auto detect PHY address */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	if (hw->mac_type == e1000_ce4100) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		for (i = 0; i < 32; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			hw->phy_addr = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			if (tmp == 0 || tmp == 0xFF) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
				if (i == 31)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
					goto err_eeprom;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
				continue;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
			} else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	/* reset the hardware with the new settings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	strcpy(netdev->name, "eth%d");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	err = register_netdev(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		goto err_register;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	e1000_vlan_filter_on_off(adapter, false);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	/* print bus type/speed/width info */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	       netdev->dev_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	/* carrier off reporting is important to ethtool even BEFORE open */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	netif_carrier_off(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	cards_found++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
err_register:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
err_eeprom:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	e1000_phy_hw_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	if (hw->flash_address)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		iounmap(hw->flash_address);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	kfree(adapter->tx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	kfree(adapter->rx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
err_dma:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
err_sw_init:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
err_mdio_ioremap:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	iounmap(hw->ce4100_gbe_mdio_base_virt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	iounmap(hw->hw_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
err_ioremap:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	free_netdev(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
err_alloc_etherdev:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	pci_release_selected_regions(pdev, bars);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
err_pci_reg:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	pci_disable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * e1000_remove - Device Removal Routine
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * @pdev: PCI device information struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 * e1000_remove is called by the PCI subsystem to alert the driver
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
 * that it should release a PCI device.  The could be caused by a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
 * Hot-Plug event, or because the driver is going to be removed from
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
 * memory.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
static void e1000_remove(struct pci_dev *pdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	struct net_device *netdev = pci_get_drvdata(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	e1000_down_and_stop(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	e1000_release_manageability(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	unregister_netdev(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	e1000_phy_hw_reset(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	kfree(adapter->tx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	kfree(adapter->rx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	if (hw->mac_type == e1000_ce4100)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		iounmap(hw->ce4100_gbe_mdio_base_virt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	iounmap(hw->hw_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	if (hw->flash_address)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		iounmap(hw->flash_address);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	pci_release_selected_regions(pdev, adapter->bars);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	free_netdev(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	pci_disable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
 * @adapter: board private structure to initialize
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
 * e1000_sw_init initializes the Adapter private data structure.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
 * e1000_init_hw_struct MUST be called before this function
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
static int e1000_sw_init(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	adapter->num_tx_queues = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	adapter->num_rx_queues = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	if (e1000_alloc_queues(adapter)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		e_err(probe, "Unable to allocate memory for queues\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	/* Explicitly disable IRQ since the NIC can be in any state. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	e1000_irq_disable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	spin_lock_init(&adapter->stats_lock);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	mutex_init(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	set_bit(__E1000_DOWN, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
 * e1000_alloc_queues - Allocate memory for all rings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
 * @adapter: board private structure to initialize
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
 * We allocate one ring per queue at run-time since we don't know the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
 * number of queues at compile-time.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
static int e1000_alloc_queues(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	if (!adapter->tx_ring)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	if (!adapter->rx_ring) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
		kfree(adapter->tx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
 * e1000_open - Called when a network interface is made active
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
 * Returns 0 on success, negative value on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
 * The open entry point is called when a network interface is made
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
 * active by the system (IFF_UP).  At this point all resources needed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
 * for transmit and receive operations are allocated, the interrupt
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
 * handler is registered with the OS, the watchdog task is started,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
 * and the stack is notified that the interface is ready.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
static int e1000_open(struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	int err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	/* disallow open during test */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	if (test_bit(__E1000_TESTING, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		return -EBUSY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	netif_carrier_off(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	/* allocate transmit descriptors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	err = e1000_setup_all_tx_resources(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
		goto err_setup_tx;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	/* allocate receive descriptors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	err = e1000_setup_all_rx_resources(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		goto err_setup_rx;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	e1000_power_up_phy(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	if ((hw->mng_cookie.status &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		e1000_update_mng_vlan(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	/* before we allocate an interrupt, we must be ready to handle it.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	 * as soon as we call pci_request_irq, so we have to setup our
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	 * clean_rx handler before we do so.  */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	e1000_configure(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	err = e1000_request_irq(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		goto err_req_irq;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	/* From here on the code is the same as e1000_up() */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	clear_bit(__E1000_DOWN, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	napi_enable(&adapter->napi);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	netif_start_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	/* fire a link status change interrupt to start the watchdog */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	ew32(ICS, E1000_ICS_LSC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
err_req_irq:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	e1000_power_down_phy(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	e1000_free_all_rx_resources(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
err_setup_rx:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	e1000_free_all_tx_resources(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
err_setup_tx:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
 * e1000_close - Disables a network interface
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 * Returns 0, this is not allowed to fail
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
 * The close entry point is called when an interface is de-activated
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
 * by the OS.  The hardware is still under the drivers control, but
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
 * needs to be disabled.  A global MAC reset is issued to stop the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
 * hardware, and all transmit and receive resources are freed.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
static int e1000_close(struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	e1000_down(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	e1000_power_down_phy(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	e1000_free_irq(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	e1000_free_all_tx_resources(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	e1000_free_all_rx_resources(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	/* kill manageability vlan ID if supported, but not if a vlan with
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	 * the same ID is registered on the host OS (let 8021q kill it) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	if ((hw->mng_cookie.status &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	     !test_bit(adapter->mng_vlan_id, adapter->active_vlans)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
 * @adapter: address of board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
 * @start: address of beginning of memory
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
 * @len: length of memory
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
				  unsigned long len)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	unsigned long begin = (unsigned long)start;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	unsigned long end = begin + len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	/* First rev 82545 and 82546 need to not allow any memory
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	 * write location to cross 64k boundary due to errata 23 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	if (hw->mac_type == e1000_82545 ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	    hw->mac_type == e1000_ce4100 ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	    hw->mac_type == e1000_82546) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	return true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 * @txdr:    tx descriptor ring (for a specific queue) to setup
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * Return 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
				    struct e1000_tx_ring *txdr)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	int size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	size = sizeof(struct e1000_buffer) * txdr->count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	txdr->buffer_info = vzalloc(size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	if (!txdr->buffer_info) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		      "ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	/* round up to nearest 4K */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	txdr->size = ALIGN(txdr->size, 4096);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
					GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	if (!txdr->desc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
setup_tx_desc_die:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		vfree(txdr->buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		      "ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	/* Fix for errata 23, can't cross 64kB boundary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		void *olddesc = txdr->desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		dma_addr_t olddma = txdr->dma;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		      txdr->size, txdr->desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		/* Try again, without freeing the previous */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
						&txdr->dma, GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		/* Failed allocation, critical failure */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		if (!txdr->desc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
					  olddma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
			goto setup_tx_desc_die;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
			/* give up */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
					  txdr->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
					  olddma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
			e_err(probe, "Unable to allocate aligned memory "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
			      "for the transmit descriptor ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
			vfree(txdr->buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
			return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
			/* Free old allocation, new allocation was successful */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
					  olddma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	memset(txdr->desc, 0, txdr->size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	txdr->next_to_use = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	txdr->next_to_clean = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
 * 				  (Descriptors) for all queues
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
 * Return 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	int i, err = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	for (i = 0; i < adapter->num_tx_queues; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		if (err) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
			for (i-- ; i >= 0; i--)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
				e1000_free_tx_resources(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
							&adapter->tx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
 * Configure the Tx unit of the MAC after a reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
static void e1000_configure_tx(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	u64 tdba;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	u32 tdlen, tctl, tipg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	u32 ipgr1, ipgr2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	/* Setup the HW Tx Head and Tail descriptor pointers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	switch (adapter->num_tx_queues) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	case 1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		tdba = adapter->tx_ring[0].dma;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		tdlen = adapter->tx_ring[0].count *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
			sizeof(struct e1000_tx_desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		ew32(TDLEN, tdlen);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		ew32(TDBAH, (tdba >> 32));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		ew32(TDT, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		ew32(TDH, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	/* Set the default values for the Tx Inter Packet Gap timer */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	if ((hw->media_type == e1000_media_type_fiber ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	     hw->media_type == e1000_media_type_internal_serdes))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	case e1000_82542_rev2_0:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	case e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		tipg = DEFAULT_82542_TIPG_IPGT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	ew32(TIPG, tipg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	/* Set the Tx Interrupt Delay register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	ew32(TIDV, adapter->tx_int_delay);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	if (hw->mac_type >= e1000_82540)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		ew32(TADV, adapter->tx_abs_int_delay);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	/* Program the Transmit Control Register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	tctl = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	tctl &= ~E1000_TCTL_CT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	e1000_config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	/* Setup Transmit Descriptor Settings for eop descriptor */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	/* only set IDE if we are delaying interrupts using the timers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	if (adapter->tx_int_delay)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	if (hw->mac_type < e1000_82543)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	/* Cache if we're 82544 running in PCI-X because we'll
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	 * need this to apply a workaround later in the send path. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	if (hw->mac_type == e1000_82544 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	    hw->bus_type == e1000_bus_type_pcix)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		adapter->pcix_82544 = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	ew32(TCTL, tctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
 * Returns 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
				    struct e1000_rx_ring *rxdr)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	int size, desc_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	size = sizeof(struct e1000_buffer) * rxdr->count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	rxdr->buffer_info = vzalloc(size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	if (!rxdr->buffer_info) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		      "ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	desc_len = sizeof(struct e1000_rx_desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	/* Round up to nearest 4K */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	rxdr->size = rxdr->count * desc_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	rxdr->size = ALIGN(rxdr->size, 4096);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
					GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	if (!rxdr->desc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		      "ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
setup_rx_desc_die:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		vfree(rxdr->buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		return -ENOMEM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	/* Fix for errata 23, can't cross 64kB boundary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		void *olddesc = rxdr->desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		dma_addr_t olddma = rxdr->dma;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		      rxdr->size, rxdr->desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
		/* Try again, without freeing the previous */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
						&rxdr->dma, GFP_KERNEL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		/* Failed allocation, critical failure */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		if (!rxdr->desc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
					  olddma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
			e_err(probe, "Unable to allocate memory for the Rx "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
			      "descriptor ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
			goto setup_rx_desc_die;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
			/* give up */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
					  rxdr->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
					  olddma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
			e_err(probe, "Unable to allocate aligned memory for "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			      "the Rx descriptor ring\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
			goto setup_rx_desc_die;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			/* Free old allocation, new allocation was successful */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
					  olddma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	memset(rxdr->desc, 0, rxdr->size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	rxdr->next_to_clean = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	rxdr->next_to_use = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	rxdr->rx_skb_top = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
 * 				  (Descriptors) for all queues
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
 * Return 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	int i, err = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	for (i = 0; i < adapter->num_rx_queues; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		if (err) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
			for (i-- ; i >= 0; i--)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
				e1000_free_rx_resources(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
							&adapter->rx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
 * e1000_setup_rctl - configure the receive control registers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
 * @adapter: Board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
static void e1000_setup_rctl(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	u32 rctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	rctl |= E1000_RCTL_BAM | E1000_RCTL_LBM_NO |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		E1000_RCTL_RDMTS_HALF |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	if (hw->tbi_compatibility_on == 1)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		rctl |= E1000_RCTL_SBP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		rctl &= ~E1000_RCTL_SBP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		rctl &= ~E1000_RCTL_LPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		rctl |= E1000_RCTL_LPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	/* Setup buffer sizes */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	rctl &= ~E1000_RCTL_SZ_4096;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	rctl |= E1000_RCTL_BSEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	switch (adapter->rx_buffer_len) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		case E1000_RXBUFFER_2048:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
			rctl |= E1000_RCTL_SZ_2048;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
			rctl &= ~E1000_RCTL_BSEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		case E1000_RXBUFFER_4096:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			rctl |= E1000_RCTL_SZ_4096;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
		case E1000_RXBUFFER_8192:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
			rctl |= E1000_RCTL_SZ_8192;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		case E1000_RXBUFFER_16384:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
			rctl |= E1000_RCTL_SZ_16384;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	/* This is useful for sniffing bad packets. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	if (adapter->netdev->features & NETIF_F_RXALL) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
		/* UPE and MPE will be handled by normal PROMISC logic
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		 * in e1000e_set_rx_mode */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			 E1000_RCTL_BAM | /* RX All Bcast Pkts */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
			 E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		rctl &= ~(E1000_RCTL_VFE | /* Disable VLAN filter */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			  E1000_RCTL_DPF | /* Allow filtered pause */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			  E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		 * and that breaks VLANs.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
 * Configure the Rx unit of the MAC after a reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
static void e1000_configure_rx(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	u64 rdba;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	u32 rdlen, rctl, rxcsum;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		rdlen = adapter->rx_ring[0].count *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		        sizeof(struct e1000_rx_desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		rdlen = adapter->rx_ring[0].count *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		        sizeof(struct e1000_rx_desc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		adapter->clean_rx = e1000_clean_rx_irq;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	/* disable receives while setting up the descriptors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	/* set the Receive Delay Timer Register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	ew32(RDTR, adapter->rx_int_delay);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	if (hw->mac_type >= e1000_82540) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		ew32(RADV, adapter->rx_abs_int_delay);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		if (adapter->itr_setting != 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
			ew32(ITR, 1000000000 / (adapter->itr * 256));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	 * the Base and Length of the Rx Descriptor Ring */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	switch (adapter->num_rx_queues) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	case 1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
		rdba = adapter->rx_ring[0].dma;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		ew32(RDLEN, rdlen);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		ew32(RDBAH, (rdba >> 32));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		ew32(RDT, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		ew32(RDH, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	if (hw->mac_type >= e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
		rxcsum = er32(RXCSUM);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		if (adapter->rx_csum)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
			rxcsum |= E1000_RXCSUM_TUOFL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
			/* don't need to clear IPPCSE as it defaults to 0 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
			rxcsum &= ~E1000_RXCSUM_TUOFL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		ew32(RXCSUM, rxcsum);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	/* Enable Receives */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	ew32(RCTL, rctl | E1000_RCTL_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
 * e1000_free_tx_resources - Free Tx Resources per Queue
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
 * @tx_ring: Tx descriptor ring for a specific queue
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
 * Free all transmit software resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
				    struct e1000_tx_ring *tx_ring)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	e1000_clean_tx_ring(adapter, tx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	vfree(tx_ring->buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	tx_ring->buffer_info = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
			  tx_ring->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	tx_ring->desc = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
 * Free all transmit software resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	for (i = 0; i < adapter->num_tx_queues; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
					     struct e1000_buffer *buffer_info)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	if (buffer_info->dma) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		if (buffer_info->mapped_as_page)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
				       buffer_info->length, DMA_TO_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
					 buffer_info->length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
					 DMA_TO_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	if (buffer_info->skb) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		dev_kfree_skb_any(buffer_info->skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	buffer_info->time_stamp = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	/* buffer_info must be completely set up in the transmit path */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * e1000_clean_tx_ring - Free Tx Buffers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * @tx_ring: ring to be cleaned
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
				struct e1000_tx_ring *tx_ring)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	unsigned long size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	/* Free all the Tx ring sk_buffs */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	for (i = 0; i < tx_ring->count; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	netdev_reset_queue(adapter->netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	size = sizeof(struct e1000_buffer) * tx_ring->count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	memset(tx_ring->buffer_info, 0, size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	/* Zero out the descriptor ring */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	memset(tx_ring->desc, 0, tx_ring->size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	tx_ring->next_to_use = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	tx_ring->next_to_clean = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	tx_ring->last_tx_tso = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	writel(0, hw->hw_addr + tx_ring->tdh);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	writel(0, hw->hw_addr + tx_ring->tdt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	for (i = 0; i < adapter->num_tx_queues; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 * e1000_free_rx_resources - Free Rx Resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 * @rx_ring: ring to clean the resources from
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
 * Free all receive software resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
				    struct e1000_rx_ring *rx_ring)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	e1000_clean_rx_ring(adapter, rx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	vfree(rx_ring->buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	rx_ring->buffer_info = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
			  rx_ring->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	rx_ring->desc = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 * Free all receive software resources
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	for (i = 0; i < adapter->num_rx_queues; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 * @rx_ring: ring to free buffers from
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
				struct e1000_rx_ring *rx_ring)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	unsigned long size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	/* Free all the Rx ring sk_buffs */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	for (i = 0; i < rx_ring->count; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		if (buffer_info->dma &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		    adapter->clean_rx == e1000_clean_rx_irq) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
			dma_unmap_single(&pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
			                 buffer_info->length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
					 DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
		} else if (buffer_info->dma &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
			dma_unmap_page(&pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
				       buffer_info->length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
				       DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		if (buffer_info->page) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
			put_page(buffer_info->page);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			buffer_info->page = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		if (buffer_info->skb) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
			dev_kfree_skb(buffer_info->skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
			buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	/* there also may be some cached data from a chained receive */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	if (rx_ring->rx_skb_top) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		dev_kfree_skb(rx_ring->rx_skb_top);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
		rx_ring->rx_skb_top = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	size = sizeof(struct e1000_buffer) * rx_ring->count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	memset(rx_ring->buffer_info, 0, size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	/* Zero out the descriptor ring */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	memset(rx_ring->desc, 0, rx_ring->size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	rx_ring->next_to_clean = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	rx_ring->next_to_use = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	writel(0, hw->hw_addr + rx_ring->rdh);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	writel(0, hw->hw_addr + rx_ring->rdt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	for (i = 0; i < adapter->num_rx_queues; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
 * and memory write and invalidate disabled for certain operations
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	u32 rctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	e1000_pci_clear_mwi(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	rctl |= E1000_RCTL_RST;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	mdelay(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
		e1000_clean_all_rx_rings(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	u32 rctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	rctl &= ~E1000_RCTL_RST;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	mdelay(5);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
		e1000_pci_set_mwi(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	if (netif_running(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
		/* No need to loop, because 82542 supports only 1 queue */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
		e1000_configure_rx(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
 * e1000_set_mac - Change the Ethernet Address of the NIC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 * @p: pointer to an address structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 * Returns 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
static int e1000_set_mac(struct net_device *netdev, void *p)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	struct sockaddr *addr = p;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	if (!is_valid_ether_addr(addr->sa_data))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
		return -EADDRNOTAVAIL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	/* 82542 2.0 needs to be in reset to write receive address registers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	if (hw->mac_type == e1000_82542_rev2_0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
		e1000_enter_82542_rst(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	e1000_rar_set(hw, hw->mac_addr, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	if (hw->mac_type == e1000_82542_rev2_0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		e1000_leave_82542_rst(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
 * The set_rx_mode entry point is called whenever the unicast or multicast
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
 * address lists or the network interface flags are updated. This routine is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
 * responsible for configuring the hardware for proper unicast, multicast,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
 * promiscuous mode, and all-multi behavior.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
static void e1000_set_rx_mode(struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	struct netdev_hw_addr *ha;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	bool use_uc = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	u32 rctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	u32 hash_value;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	int i, rar_entries = E1000_RAR_ENTRIES;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	if (!mcarray) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
		e_err(probe, "memory allocation failed\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	/* Check for Promiscuous and All Multicast modes */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	if (netdev->flags & IFF_PROMISC) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		rctl &= ~E1000_RCTL_VFE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
		if (netdev->flags & IFF_ALLMULTI)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			rctl |= E1000_RCTL_MPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
			rctl &= ~E1000_RCTL_MPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
		/* Enable VLAN filter if there is a VLAN */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
		if (e1000_vlan_used(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
			rctl |= E1000_RCTL_VFE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	if (netdev_uc_count(netdev) > rar_entries - 1) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
		rctl |= E1000_RCTL_UPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	} else if (!(netdev->flags & IFF_PROMISC)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		rctl &= ~E1000_RCTL_UPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		use_uc = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	/* 82542 2.0 needs to be in reset to write receive address registers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	if (hw->mac_type == e1000_82542_rev2_0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
		e1000_enter_82542_rst(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	/* load the first 14 addresses into the exact filters 1-14. Unicast
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	 * addresses take precedence to avoid disabling unicast filtering
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	 * when possible.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	 * RAR 0 is used for the station MAC address
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	 * if there are not 14 addresses, go ahead and clear the filters
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	i = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	if (use_uc)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
		netdev_for_each_uc_addr(ha, netdev) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
			if (i == rar_entries)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
			e1000_rar_set(hw, ha->addr, i++);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	netdev_for_each_mc_addr(ha, netdev) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
		if (i == rar_entries) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
			/* load any remaining addresses into the hash table */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			u32 hash_reg, hash_bit, mta;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
			hash_reg = (hash_value >> 5) & 0x7F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
			hash_bit = hash_value & 0x1F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
			mta = (1 << hash_bit);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
			mcarray[hash_reg] |= mta;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			e1000_rar_set(hw, ha->addr, i++);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	for (; i < rar_entries; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	/* write the hash table completely, write from bottom to avoid
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	 * both stupid write combining chipsets, and flushing each write */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		 * If we are on an 82544 has an errata where writing odd
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		 * offsets overwrites the previous even offset, but writing
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		 * backwards over the range solves the issue by always
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		 * writing the odd offset first
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	if (hw->mac_type == e1000_82542_rev2_0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
		e1000_leave_82542_rst(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	kfree(mcarray);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
 * e1000_update_phy_info_task - get phy info
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
 * @work: work struct contained inside adapter struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
 * Need to wait a few seconds after link up to get diagnostic information from
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 * the phy
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
static void e1000_update_phy_info_task(struct work_struct *work)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	struct e1000_adapter *adapter = container_of(work,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
						     struct e1000_adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
						     phy_info_task.work);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	if (test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	mutex_lock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	mutex_unlock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
 * e1000_82547_tx_fifo_stall_task - task to complete work
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
 * @work: work struct contained inside adapter struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	struct e1000_adapter *adapter = container_of(work,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
						     struct e1000_adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
						     fifo_stall_task.work);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	u32 tctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	if (test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	mutex_lock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	if (atomic_read(&adapter->tx_fifo_stall)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		if ((er32(TDT) == er32(TDH)) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		   (er32(TDFT) == er32(TDFH)) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		   (er32(TDFTS) == er32(TDFHS))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
			tctl = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
			ew32(TDFT, adapter->tx_head_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
			ew32(TDFH, adapter->tx_head_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
			ew32(TDFTS, adapter->tx_head_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
			ew32(TDFHS, adapter->tx_head_addr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
			ew32(TCTL, tctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
			E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			adapter->tx_fifo_head = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
			atomic_set(&adapter->tx_fifo_stall, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
			netif_wake_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
			schedule_delayed_work(&adapter->fifo_stall_task, 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	mutex_unlock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
bool e1000_has_link(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	bool link_active = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	/* get_link_status is set on LSC (link status) interrupt or rx
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	 * sequence error interrupt (except on intel ce4100).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	 * get_link_status will stay false until the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	 * e1000_check_for_link establishes link for copper adapters
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	 * ONLY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	switch (hw->media_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	case e1000_media_type_copper:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		if (hw->mac_type == e1000_ce4100)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
			hw->get_link_status = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		if (hw->get_link_status) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
			e1000_check_for_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
			link_active = !hw->get_link_status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
			link_active = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	case e1000_media_type_fiber:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		e1000_check_for_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	case e1000_media_type_internal_serdes:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		e1000_check_for_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		link_active = hw->serdes_has_link;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	return link_active;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
 * e1000_watchdog - work function
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
 * @work: work struct contained inside adapter struct
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
static void e1000_watchdog(struct work_struct *work)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	struct e1000_adapter *adapter = container_of(work,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
						     struct e1000_adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
						     watchdog_task.work);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	struct e1000_tx_ring *txdr = adapter->tx_ring;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	u32 link, tctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	if (test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	mutex_lock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	link = e1000_has_link(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	if ((netif_carrier_ok(netdev)) && link)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		goto link_up;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	if (link) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		if (!netif_carrier_ok(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			bool txb2b = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			/* update snapshot of PHY registers on LSC */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			e1000_get_speed_and_duplex(hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			                           &adapter->link_speed,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
			                           &adapter->link_duplex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
			pr_info("%s NIC Link is Up %d Mbps %s, "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
				"Flow Control: %s\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
				netdev->name,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
				adapter->link_speed,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
				adapter->link_duplex == FULL_DUPLEX ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
				"Full Duplex" : "Half Duplex",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
				E1000_CTRL_TFCE) ? "TX" : "None")));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			/* adjust timeout factor according to speed/duplex */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
			adapter->tx_timeout_factor = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
			switch (adapter->link_speed) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
			case SPEED_10:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
				txb2b = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
				adapter->tx_timeout_factor = 16;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
			case SPEED_100:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
				txb2b = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
				/* maybe add some timeout factor ? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			/* enable transmits in the hardware */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			tctl = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			tctl |= E1000_TCTL_EN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
			ew32(TCTL, tctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
			netif_carrier_on(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
			if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
				schedule_delayed_work(&adapter->phy_info_task,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
						      2 * HZ);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
			adapter->smartspeed = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		if (netif_carrier_ok(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			adapter->link_speed = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
			adapter->link_duplex = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
			pr_info("%s NIC Link is Down\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
				netdev->name);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
			netif_carrier_off(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
			if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
				schedule_delayed_work(&adapter->phy_info_task,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
						      2 * HZ);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
		e1000_smartspeed(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
link_up:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	e1000_update_stats(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	adapter->tpt_old = adapter->stats.tpt;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	adapter->colc_old = adapter->stats.colc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	adapter->gorcl_old = adapter->stats.gorcl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	adapter->gotcl_old = adapter->stats.gotcl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	e1000_update_adaptive(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	if (!netif_carrier_ok(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
			/* We've lost link, so the controller stops DMA,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
			 * but we've got queued Tx work that's never going
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			 * to get done, so reset controller to flush Tx.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
			 * (Do the reset outside of interrupt context). */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			adapter->tx_timeout_count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
			schedule_work(&adapter->reset_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			/* exit immediately since reset is imminent */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			goto unlock;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	/* Simple mode for Interrupt Throttle Rate (ITR) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		 * Total asymmetrical Tx or Rx gets ITR=8000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		 * everyone else is between 2000-8000.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		u32 dif = (adapter->gotcl > adapter->gorcl ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
			    adapter->gotcl - adapter->gorcl :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
			    adapter->gorcl - adapter->gotcl) / 10000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		ew32(ITR, 1000000000 / (itr * 256));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	/* Cause software interrupt to ensure rx ring is cleaned */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	ew32(ICS, E1000_ICS_RXDMT0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	/* Force detection of hung controller every watchdog period */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	adapter->detect_tx_hung = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	/* Reschedule the task */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		schedule_delayed_work(&adapter->watchdog_task, 2 * HZ);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
unlock:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	mutex_unlock(&adapter->mutex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
enum latency_range {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	lowest_latency = 0,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
	low_latency = 1,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	bulk_latency = 2,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	latency_invalid = 255
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
};
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
 * e1000_update_itr - update the dynamic ITR value based on statistics
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
 * @adapter: pointer to adapter
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
 * @itr_setting: current adapter->itr
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 * @packets: the number of packets during this measurement interval
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 * @bytes: the number of bytes during this measurement interval
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 *      Stores a new ITR value based on packets and byte
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 *      counts during the last interrupt.  The advantage of per interrupt
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
 *      computation is faster updates and more accurate ITR for the current
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
 *      traffic pattern.  Constants in this function were computed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
 *      based on theoretical maximum wire speed and thresholds were set based
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 *      on testing data as well as attempting to minimize response time
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
 *      while increasing bulk throughput.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
 *      this functionality is controlled by the InterruptThrottleRate module
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
 *      parameter (see e1000_param.c)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
				     u16 itr_setting, int packets, int bytes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	unsigned int retval = itr_setting;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	if (unlikely(hw->mac_type < e1000_82540))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
		goto update_itr_done;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	if (packets == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		goto update_itr_done;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	switch (itr_setting) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	case lowest_latency:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		/* jumbo frames get bulk treatment*/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		if (bytes/packets > 8000)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
			retval = bulk_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		else if ((packets < 5) && (bytes > 512))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
			retval = low_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	case low_latency:  /* 50 usec aka 20000 ints/s */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
		if (bytes > 10000) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
			/* jumbo frames need bulk latency setting */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
			if (bytes/packets > 8000)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
				retval = bulk_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
			else if ((packets < 10) || ((bytes/packets) > 1200))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
				retval = bulk_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
			else if ((packets > 35))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
				retval = lowest_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		} else if (bytes/packets > 2000)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
			retval = bulk_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		else if (packets <= 2 && bytes < 512)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			retval = lowest_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	case bulk_latency: /* 250 usec aka 4000 ints/s */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		if (bytes > 25000) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			if (packets > 35)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
				retval = low_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		} else if (bytes < 6000) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			retval = low_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
update_itr_done:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	return retval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
static void e1000_set_itr(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	u16 current_itr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	u32 new_itr = adapter->itr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	if (unlikely(hw->mac_type < e1000_82540))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	if (unlikely(adapter->link_speed != SPEED_1000)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
		current_itr = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		new_itr = 4000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
		goto set_itr_now;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	adapter->tx_itr = e1000_update_itr(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	                            adapter->tx_itr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	                            adapter->total_tx_packets,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	                            adapter->total_tx_bytes);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		adapter->tx_itr = low_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	adapter->rx_itr = e1000_update_itr(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	                            adapter->rx_itr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	                            adapter->total_rx_packets,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	                            adapter->total_rx_bytes);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		adapter->rx_itr = low_latency;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	switch (current_itr) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	/* counts and packets in update_itr are dependent on these numbers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	case lowest_latency:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		new_itr = 70000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	case low_latency:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		new_itr = 20000; /* aka hwitr = ~200 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	case bulk_latency:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
		new_itr = 4000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
set_itr_now:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	if (new_itr != adapter->itr) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		/* this attempts to bias the interrupt rate towards Bulk
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		 * by adding intermediate steps when interrupt rate is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		 * increasing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		new_itr = new_itr > adapter->itr ?
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		             min(adapter->itr + (new_itr >> 2), new_itr) :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		             new_itr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		adapter->itr = new_itr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		ew32(ITR, 1000000000 / (new_itr * 256));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
#define E1000_TX_FLAGS_CSUM		0x00000001
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
#define E1000_TX_FLAGS_VLAN		0x00000002
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
#define E1000_TX_FLAGS_TSO		0x00000004
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
#define E1000_TX_FLAGS_IPV4		0x00000008
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
#define E1000_TX_FLAGS_NO_FCS		0x00000010
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
#define E1000_TX_FLAGS_VLAN_SHIFT	16
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
static int e1000_tso(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	struct e1000_context_desc *context_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	u32 cmd_length = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	u16 ipcse = 0, tucse, mss;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	int err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	if (skb_is_gso(skb)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		if (skb_header_cloned(skb)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
			if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
				return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		mss = skb_shinfo(skb)->gso_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		if (skb->protocol == htons(ETH_P_IP)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
			struct iphdr *iph = ip_hdr(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
			iph->tot_len = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
			iph->check = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
								 iph->daddr, 0,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
								 IPPROTO_TCP,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
								 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
			cmd_length = E1000_TXD_CMD_IP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
			ipcse = skb_transport_offset(skb) - 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
			ipv6_hdr(skb)->payload_len = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
			tcp_hdr(skb)->check =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
						 &ipv6_hdr(skb)->daddr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
						 0, IPPROTO_TCP, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
			ipcse = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		ipcss = skb_network_offset(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		tucss = skb_transport_offset(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		tucse = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		i = tx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		context_desc->upper_setup.tcp_fields.tucss = tucss;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		context_desc->upper_setup.tcp_fields.tucso = tucso;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		buffer_info->time_stamp = jiffies;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		buffer_info->next_to_watch = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		if (++i == tx_ring->count) i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		tx_ring->next_to_use = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		return true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	return false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
static bool e1000_tx_csum(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	struct e1000_context_desc *context_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	u8 css;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	u32 cmd_len = E1000_TXD_CMD_DEXT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	if (skb->ip_summed != CHECKSUM_PARTIAL)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		return false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	switch (skb->protocol) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	case cpu_to_be16(ETH_P_IP):
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
			cmd_len |= E1000_TXD_CMD_TCP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	case cpu_to_be16(ETH_P_IPV6):
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		/* XXX not handling all IPV6 headers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
			cmd_len |= E1000_TXD_CMD_TCP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		if (unlikely(net_ratelimit()))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
			e_warn(drv, "checksum_partial proto=%x!\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
			       skb->protocol);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	css = skb_checksum_start_offset(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	i = tx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	context_desc->lower_setup.ip_config = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	context_desc->upper_setup.tcp_fields.tucss = css;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	context_desc->upper_setup.tcp_fields.tucso =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		css + skb->csum_offset;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	context_desc->upper_setup.tcp_fields.tucse = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	context_desc->tcp_seg_setup.data = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	buffer_info->time_stamp = jiffies;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	buffer_info->next_to_watch = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	if (unlikely(++i == tx_ring->count)) i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	tx_ring->next_to_use = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	return true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
#define E1000_MAX_TXD_PWR	12
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
static int e1000_tx_map(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
			struct e1000_tx_ring *tx_ring,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
			struct sk_buff *skb, unsigned int first,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
			unsigned int max_per_txd, unsigned int nr_frags,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
			unsigned int mss)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	unsigned int len = skb_headlen(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	unsigned int offset = 0, size, count = 0, i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	unsigned int f, bytecount, segs;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	i = tx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	while (len) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		size = min(len, max_per_txd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		/* Workaround for Controller erratum --
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		 * descriptor for non-tso packet in a linear SKB that follows a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
		 * tso gets written back prematurely before the data is fully
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
		 * DMA'd to the controller */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		if (!skb->data_len && tx_ring->last_tx_tso &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
		    !skb_is_gso(skb)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
			tx_ring->last_tx_tso = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			size -= 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
		/* Workaround for premature desc write-backs
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		 * in TSO mode.  Append 4-byte sentinel desc */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		if (unlikely(mss && !nr_frags && size == len && size > 8))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
			size -= 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		/* work-around for errata 10 and it applies
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		 * to all controllers in PCI-X mode
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		 * The fix is to make sure that the first descriptor of a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		                (size > 2015) && count == 0))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		        size = 2015;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		 * terminating buffers within evenly-aligned dwords. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		if (unlikely(adapter->pcix_82544 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		   size > 4))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			size -= 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
		buffer_info->length = size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		/* set time_stamp *before* dma to help avoid a possible race */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		buffer_info->time_stamp = jiffies;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		buffer_info->mapped_as_page = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		buffer_info->dma = dma_map_single(&pdev->dev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
						  skb->data + offset,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
						  size,	DMA_TO_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
			goto dma_error;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		buffer_info->next_to_watch = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		len -= size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		offset += size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		if (len) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			i++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
			if (unlikely(i == tx_ring->count))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
				i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	for (f = 0; f < nr_frags; f++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		const struct skb_frag_struct *frag;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		frag = &skb_shinfo(skb)->frags[f];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		len = skb_frag_size(frag);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		offset = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		while (len) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
			unsigned long bufend;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
			i++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
			if (unlikely(i == tx_ring->count))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
				i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
			buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
			size = min(len, max_per_txd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
			/* Workaround for premature desc write-backs
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
			 * in TSO mode.  Append 4-byte sentinel desc */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
				size -= 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
			/* Workaround for potential 82544 hang in PCI-X.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
			 * Avoid terminating buffers within evenly-aligned
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
			 * dwords. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
			bufend = (unsigned long)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
				page_to_phys(skb_frag_page(frag));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
			bufend += offset + size - 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
			if (unlikely(adapter->pcix_82544 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
				     !(bufend & 4) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
				     size > 4))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
				size -= 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
			buffer_info->length = size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
			buffer_info->time_stamp = jiffies;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
			buffer_info->mapped_as_page = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
						offset, size, DMA_TO_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
				goto dma_error;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
			buffer_info->next_to_watch = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
			len -= size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			offset += size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
			count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	segs = skb_shinfo(skb)->gso_segs ?: 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
	/* multiply data chunks by size of headers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	tx_ring->buffer_info[i].skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	tx_ring->buffer_info[i].segs = segs;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	tx_ring->buffer_info[i].bytecount = bytecount;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	tx_ring->buffer_info[first].next_to_watch = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	return count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
dma_error:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	dev_err(&pdev->dev, "TX DMA map failed\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	if (count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		count--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	while (count--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		if (i==0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
			i += tx_ring->count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		i--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
static void e1000_tx_queue(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
			   struct e1000_tx_ring *tx_ring, int tx_flags,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
			   int count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	struct e1000_tx_desc *tx_desc = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		             E1000_TXD_CMD_TSE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		txd_lower |= E1000_TXD_CMD_VLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	i = tx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	while (count--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		tx_desc = E1000_TX_DESC(*tx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		tx_desc->lower.data =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
			cpu_to_le32(txd_lower | buffer_info->length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		tx_desc->upper.data = cpu_to_le32(txd_upper);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		if (unlikely(++i == tx_ring->count)) i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	/* Force memory writes to complete before letting h/w
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	 * know there are new descriptors to fetch.  (Only
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	 * applicable for weak-ordered memory model archs,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	 * such as IA-64). */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	wmb();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	tx_ring->next_to_use = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	writel(i, hw->hw_addr + tx_ring->tdt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	/* we need this if more than one processor can write to our tail
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	 * at a time, it syncronizes IO on IA64/Altix systems */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	mmiowb();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
/* 82547 workaround to avoid controller hang in half-duplex environment.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
 * The workaround is to avoid queuing a large packet that would span
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
 * the internal Tx FIFO ring boundary by notifying the stack to resend
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
 * to the beginning of the Tx FIFO.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
#define E1000_FIFO_HDR			0x10
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
#define E1000_82547_PAD_LEN		0x3E0
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
				       struct sk_buff *skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	if (adapter->link_duplex != HALF_DUPLEX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		goto no_fifo_stall_required;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	if (atomic_read(&adapter->tx_fifo_stall))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
		return 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
		atomic_set(&adapter->tx_fifo_stall, 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		return 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
no_fifo_stall_required:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	adapter->tx_fifo_head += skb_fifo_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	netif_stop_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	/* Herbert's original patch had:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	 *  smp_mb__after_netif_stop_queue();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	 * but since that doesn't exist yet, just open code it. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	smp_mb();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	/* We need to check again in a case another CPU has just
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	 * made room available. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		return -EBUSY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	/* A reprieve! */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	netif_start_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	++adapter->restart_queue;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
static int e1000_maybe_stop_tx(struct net_device *netdev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
                               struct e1000_tx_ring *tx_ring, int size)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	return __e1000_maybe_stop_tx(netdev, size);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
				    struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	struct e1000_tx_ring *tx_ring;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	unsigned int tx_flags = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	unsigned int len = skb_headlen(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	unsigned int nr_frags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	unsigned int mss;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	int count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	int tso;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	unsigned int f;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	/* This goes back to the question of how to logically map a tx queue
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	 * to a flow.  Right now, performance is impacted slightly negatively
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	 * if using multiple tx queues.  If the stack breaks away from a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	 * single qdisc implementation, we can look at this again. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	tx_ring = adapter->tx_ring;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	if (unlikely(skb->len <= 0)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		dev_kfree_skb_any(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		return NETDEV_TX_OK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	/* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	 * packets may get corrupted during padding by HW.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	 * To WA this issue, pad all small packets manually.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	if (skb->len < ETH_ZLEN) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		if (skb_pad(skb, ETH_ZLEN - skb->len))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
			return NETDEV_TX_OK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		skb->len = ETH_ZLEN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		skb_set_tail_pointer(skb, ETH_ZLEN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	mss = skb_shinfo(skb)->gso_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	/* The controller does a simple calculation to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	 * make sure there is enough room in the FIFO before
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	 * initiating the DMA for each buffer.  The calc is:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	 * 4 = ceil(buffer len/mss).  To make sure we don't
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	 * overrun the FIFO, adjust the max buffer len if mss
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	 * drops. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	if (mss) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		u8 hdr_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		max_per_txd = min(mss << 2, max_per_txd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		max_txd_pwr = fls(max_per_txd) - 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		if (skb->data_len && hdr_len == len) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
			switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
				unsigned int pull_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
			case e1000_82544:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
				/* Make sure we have room to chop off 4 bytes,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
				 * and that the end alignment will work out to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
				 * this hardware's requirements
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
				 * NOTE: this is a TSO only workaround
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
				 * if end byte alignment not correct move us
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
				 * into the next dword */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
				/* fall through */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
				pull_size = min((unsigned int)4, skb->data_len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
				if (!__pskb_pull_tail(skb, pull_size)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
					e_err(drv, "__pskb_pull_tail "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
					      "failed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
					dev_kfree_skb_any(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
					return NETDEV_TX_OK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
				len = skb_headlen(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
			default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
				/* do nothing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	/* reserve a descriptor for the offload context */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	/* Controller Erratum workaround */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	count += TXD_USE_COUNT(len, max_txd_pwr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	if (adapter->pcix_82544)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	/* work-around for errata 10 and it applies to all controllers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	 * in PCI-X mode, so add one more descriptor to the count
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
			(len > 2015)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
		count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	nr_frags = skb_shinfo(skb)->nr_frags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	for (f = 0; f < nr_frags; f++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
				       max_txd_pwr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	if (adapter->pcix_82544)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		count += nr_frags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	/* need: count + 2 desc gap to keep tail from touching
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	 * head, otherwise try next time */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		return NETDEV_TX_BUSY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	if (unlikely((hw->mac_type == e1000_82547) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		     (e1000_82547_fifo_workaround(adapter, skb)))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		netif_stop_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
			schedule_delayed_work(&adapter->fifo_stall_task, 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		return NETDEV_TX_BUSY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	if (vlan_tx_tag_present(skb)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		tx_flags |= E1000_TX_FLAGS_VLAN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	first = tx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	tso = e1000_tso(adapter, tx_ring, skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	if (tso < 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		dev_kfree_skb_any(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
		return NETDEV_TX_OK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	if (likely(tso)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		if (likely(hw->mac_type != e1000_82544))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
			tx_ring->last_tx_tso = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
		tx_flags |= E1000_TX_FLAGS_TSO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		tx_flags |= E1000_TX_FLAGS_CSUM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	if (likely(skb->protocol == htons(ETH_P_IP)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		tx_flags |= E1000_TX_FLAGS_IPV4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	if (unlikely(skb->no_fcs))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	                     nr_frags, mss);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	if (count) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		netdev_sent_queue(netdev, skb->len);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		skb_tx_timestamp(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
		/* Make sure there is space in the ring for the next send. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
		dev_kfree_skb_any(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		tx_ring->buffer_info[first].time_stamp = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		tx_ring->next_to_use = first;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	return NETDEV_TX_OK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
#define NUM_REGS 38 /* 1 based count */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
static void e1000_regdump(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	u32 regs[NUM_REGS];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	u32 *regs_buff = regs;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	int i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	static const char * const reg_name[] = {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		"CTRL",  "STATUS",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
		"RCTL", "RDLEN", "RDH", "RDT", "RDTR",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		"TCTL", "TDBAL", "TDBAH", "TDLEN", "TDH", "TDT",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		"TIDV", "TXDCTL", "TADV", "TARC0",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		"TDBAL1", "TDBAH1", "TDLEN1", "TDH1", "TDT1",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		"TXDCTL1", "TARC1",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		"CTRL_EXT", "ERT", "RDBAL", "RDBAH",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		"TDFH", "TDFT", "TDFHS", "TDFTS", "TDFPC",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		"RDFH", "RDFT", "RDFHS", "RDFTS", "RDFPC"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	};
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	regs_buff[0]  = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	regs_buff[1]  = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	regs_buff[2]  = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	regs_buff[3]  = er32(RDLEN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	regs_buff[4]  = er32(RDH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	regs_buff[5]  = er32(RDT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	regs_buff[6]  = er32(RDTR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	regs_buff[7]  = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	regs_buff[8]  = er32(TDBAL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	regs_buff[9]  = er32(TDBAH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	regs_buff[10] = er32(TDLEN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	regs_buff[11] = er32(TDH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	regs_buff[12] = er32(TDT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	regs_buff[13] = er32(TIDV);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	regs_buff[14] = er32(TXDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	regs_buff[15] = er32(TADV);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	regs_buff[16] = er32(TARC0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	regs_buff[17] = er32(TDBAL1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	regs_buff[18] = er32(TDBAH1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	regs_buff[19] = er32(TDLEN1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	regs_buff[20] = er32(TDH1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	regs_buff[21] = er32(TDT1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	regs_buff[22] = er32(TXDCTL1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	regs_buff[23] = er32(TARC1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	regs_buff[24] = er32(CTRL_EXT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	regs_buff[25] = er32(ERT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	regs_buff[26] = er32(RDBAL0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	regs_buff[27] = er32(RDBAH0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	regs_buff[28] = er32(TDFH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	regs_buff[29] = er32(TDFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	regs_buff[30] = er32(TDFHS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	regs_buff[31] = er32(TDFTS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	regs_buff[32] = er32(TDFPC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	regs_buff[33] = er32(RDFH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	regs_buff[34] = er32(RDFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	regs_buff[35] = er32(RDFHS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	regs_buff[36] = er32(RDFTS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	regs_buff[37] = er32(RDFPC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	pr_info("Register dump\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	for (i = 0; i < NUM_REGS; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
		pr_info("%-15s  %08x\n", reg_name[i], regs_buff[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
 * e1000_dump: Print registers, tx ring and rx ring
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
static void e1000_dump(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	/* this code doesn't handle multiple rings */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	struct e1000_rx_ring *rx_ring = adapter->rx_ring;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	if (!netif_msg_hw(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	/* Print Registers */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	e1000_regdump(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	 * transmit dump
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	pr_info("TX Desc ring0 dump\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	 * Legacy Transmit Descriptor
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	 *   +--------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	 *   +--------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	 *   +--------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	 *   63       48 47        36 35    32 31     24 23    16 15        0
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	 *   63      48 47    40 39       32 31             16 15    8 7      0
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	 *   +----------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	 *   +----------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	 *   +----------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	 * Extended Data Descriptor (DTYP=0x1)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	 *   +----------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	 * 0 |                     Buffer Address [63:0]                      |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	 *   +----------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	 *   +----------------------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	if (!netif_msg_tx_done(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
		goto rx_ring_summary;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
		struct e1000_buffer *buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		struct my_u { __le64 a; __le64 b; };
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		struct my_u *u = (struct my_u *)tx_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		const char *type;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
			type = "NTC/U";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		else if (i == tx_ring->next_to_use)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
			type = "NTU";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		else if (i == tx_ring->next_to_clean)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
			type = "NTC";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
			type = "";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p %s\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
			((le64_to_cpu(u->b) & (1<<20)) ? 'd' : 'c'), i,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
			le64_to_cpu(u->a), le64_to_cpu(u->b),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
			(u64)buffer_info->dma, buffer_info->length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
			buffer_info->next_to_watch,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
			(u64)buffer_info->time_stamp, buffer_info->skb, type);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
rx_ring_summary:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	 * receive dump
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	pr_info("\nRX Desc ring dump\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	/* Legacy Receive Descriptor Format
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	 * +-----------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	 * |                Buffer Address [63:0]                |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 * +-----------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	 * +-----------------------------------------------------+
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	 * 63       48 47    40 39      32 31         16 15      0
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	pr_info("R[desc]      [address 63:0  ] [vl er S cks ln] [bi->dma       ] [bi->skb]\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	if (!netif_msg_rx_status(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
		goto exit;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		struct e1000_buffer *buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		struct my_u { __le64 a; __le64 b; };
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		struct my_u *u = (struct my_u *)rx_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		const char *type;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		if (i == rx_ring->next_to_use)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
			type = "NTU";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		else if (i == rx_ring->next_to_clean)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
			type = "NTC";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
			type = "";
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		pr_info("R[0x%03X]     %016llX %016llX %016llX %p %s\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
			i, le64_to_cpu(u->a), le64_to_cpu(u->b),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
			(u64)buffer_info->dma, buffer_info->skb, type);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	} /* for */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	/* dump the descriptor caches */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	/* rx */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	pr_info("Rx descriptor cache in 64bit format\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	for (i = 0x6000; i <= 0x63FF ; i += 0x10) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
		pr_info("R%04X: %08X|%08X %08X|%08X\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
			i,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
			readl(adapter->hw.hw_addr + i+4),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
			readl(adapter->hw.hw_addr + i),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
			readl(adapter->hw.hw_addr + i+12),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
			readl(adapter->hw.hw_addr + i+8));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	/* tx */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	pr_info("Tx descriptor cache in 64bit format\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	for (i = 0x7000; i <= 0x73FF ; i += 0x10) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
		pr_info("T%04X: %08X|%08X %08X|%08X\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
			i,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
			readl(adapter->hw.hw_addr + i+4),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
			readl(adapter->hw.hw_addr + i),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
			readl(adapter->hw.hw_addr + i+12),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
			readl(adapter->hw.hw_addr + i+8));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
exit:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
 * e1000_tx_timeout - Respond to a Tx Hang
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
static void e1000_tx_timeout(struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	/* Do the reset outside of interrupt context */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	adapter->tx_timeout_count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	schedule_work(&adapter->reset_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
static void e1000_reset_task(struct work_struct *work)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	struct e1000_adapter *adapter =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		container_of(work, struct e1000_adapter, reset_task);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	if (test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	e_err(drv, "Reset adapter\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	e1000_reinit_safe(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
 * e1000_get_stats - Get System Network Statistics
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
 * Returns the address of the device statistics structure.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
 * The statistics are actually updated from the watchdog.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	/* only return the current stats */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	return &netdev->stats;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
 * e1000_change_mtu - Change the Maximum Transfer Unit
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
 * @netdev: network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
 * @new_mtu: new value for maximum frame size
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
 * Returns 0 on success, negative on failure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		e_err(probe, "Invalid MTU setting\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		return -EINVAL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	/* Adapter-specific max frame size limits. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	switch (hw->mac_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	case e1000_undefined ... e1000_82542_rev2_1:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
			e_err(probe, "Jumbo Frames not supported.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
			return -EINVAL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
		msleep(1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	/* e1000_down has a dependency on max_frame_size */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	hw->max_frame_size = max_frame;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		e1000_down(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	 * means we reserve 2 more, this pushes us to allocate from the next
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	 * larger slab size.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	 * i.e. RXBUFFER_2048 --> size-4096 slab
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	 *  fragmented skbs */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	if (max_frame <= E1000_RXBUFFER_2048)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		adapter->rx_buffer_len = PAGE_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	/* adjust allocation if LPE protects us, and we aren't using SBP */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	if (!hw->tbi_compatibility_on &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	pr_info("%s changing MTU from %d to %d\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		netdev->name, netdev->mtu, new_mtu);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	netdev->mtu = new_mtu;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		e1000_up(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	clear_bit(__E1000_RESETTING, &adapter->flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
 * e1000_update_stats - Update the board statistics counters
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
void e1000_update_stats(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	unsigned long flags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	u16 phy_tmp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	 * Prevent stats update while adapter is being reset, or if the pci
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	 * connection is down.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	if (adapter->link_speed == 0)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	if (pci_channel_offline(pdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	spin_lock_irqsave(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	/* these counters are modified from e1000_tbi_adjust_stats,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	 * called from the interrupt context, so they must only
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	 * be written while holding adapter->stats_lock
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	adapter->stats.crcerrs += er32(CRCERRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	adapter->stats.gprc += er32(GPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	adapter->stats.gorcl += er32(GORCL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	adapter->stats.gorch += er32(GORCH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	adapter->stats.bprc += er32(BPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	adapter->stats.mprc += er32(MPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	adapter->stats.roc += er32(ROC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	adapter->stats.prc64 += er32(PRC64);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	adapter->stats.prc127 += er32(PRC127);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	adapter->stats.prc255 += er32(PRC255);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	adapter->stats.prc511 += er32(PRC511);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	adapter->stats.prc1023 += er32(PRC1023);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	adapter->stats.prc1522 += er32(PRC1522);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	adapter->stats.symerrs += er32(SYMERRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	adapter->stats.mpc += er32(MPC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	adapter->stats.scc += er32(SCC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	adapter->stats.ecol += er32(ECOL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	adapter->stats.mcc += er32(MCC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	adapter->stats.latecol += er32(LATECOL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	adapter->stats.dc += er32(DC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	adapter->stats.sec += er32(SEC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	adapter->stats.rlec += er32(RLEC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	adapter->stats.xonrxc += er32(XONRXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	adapter->stats.xontxc += er32(XONTXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	adapter->stats.xoffrxc += er32(XOFFRXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	adapter->stats.xofftxc += er32(XOFFTXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	adapter->stats.fcruc += er32(FCRUC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	adapter->stats.gptc += er32(GPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	adapter->stats.gotcl += er32(GOTCL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	adapter->stats.gotch += er32(GOTCH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	adapter->stats.rnbc += er32(RNBC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	adapter->stats.ruc += er32(RUC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	adapter->stats.rfc += er32(RFC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	adapter->stats.rjc += er32(RJC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	adapter->stats.torl += er32(TORL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	adapter->stats.torh += er32(TORH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	adapter->stats.totl += er32(TOTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	adapter->stats.toth += er32(TOTH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	adapter->stats.tpr += er32(TPR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	adapter->stats.ptc64 += er32(PTC64);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	adapter->stats.ptc127 += er32(PTC127);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	adapter->stats.ptc255 += er32(PTC255);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	adapter->stats.ptc511 += er32(PTC511);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	adapter->stats.ptc1023 += er32(PTC1023);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	adapter->stats.ptc1522 += er32(PTC1522);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	adapter->stats.mptc += er32(MPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	adapter->stats.bptc += er32(BPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	/* used for adaptive IFS */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	hw->tx_packet_delta = er32(TPT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	adapter->stats.tpt += hw->tx_packet_delta;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	hw->collision_delta = er32(COLC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	adapter->stats.colc += hw->collision_delta;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	if (hw->mac_type >= e1000_82543) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		adapter->stats.algnerrc += er32(ALGNERRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		adapter->stats.rxerrc += er32(RXERRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
		adapter->stats.tncrs += er32(TNCRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
		adapter->stats.cexterr += er32(CEXTERR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		adapter->stats.tsctc += er32(TSCTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
		adapter->stats.tsctfc += er32(TSCTFC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	/* Fill out the OS statistics structure */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	netdev->stats.multicast = adapter->stats.mprc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	netdev->stats.collisions = adapter->stats.colc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	/* Rx Errors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	/* RLEC on some newer hardware can be incorrect so build
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	* our own version based on RUC and ROC */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	netdev->stats.rx_errors = adapter->stats.rxerrc +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
		adapter->stats.crcerrs + adapter->stats.algnerrc +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
		adapter->stats.ruc + adapter->stats.roc +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
		adapter->stats.cexterr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	/* Tx Errors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	netdev->stats.tx_errors = adapter->stats.txerrc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	netdev->stats.tx_window_errors = adapter->stats.latecol;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	if (hw->bad_tx_carr_stats_fd &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	    adapter->link_duplex == FULL_DUPLEX) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		netdev->stats.tx_carrier_errors = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		adapter->stats.tncrs = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	/* Tx Dropped needs to be maintained elsewhere */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	/* Phy Stats */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	if (hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		if ((adapter->link_speed == SPEED_1000) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
			adapter->phy_stats.idle_errors += phy_tmp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		if ((hw->mac_type <= e1000_82546) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		   (hw->phy_type == e1000_phy_m88) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
			adapter->phy_stats.receive_errors += phy_tmp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	/* Management Stats */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	if (hw->has_smbus) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		adapter->stats.mgptc += er32(MGTPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
		adapter->stats.mgprc += er32(MGTPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
		adapter->stats.mgpdc += er32(MGTPDC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
 * e1000_intr - Interrupt Handler
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
 * @irq: interrupt number
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
 * @data: pointer to a network interface device structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
static irqreturn_t e1000_intr(int irq, void *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	struct net_device *netdev = data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	u32 icr = er32(ICR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	if (unlikely((!icr)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		return IRQ_NONE;  /* Not our interrupt */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	 * we might have caused the interrupt, but the above
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	 * read cleared it, and just in case the driver is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	 * down there is nothing to do so return handled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		return IRQ_HANDLED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		hw->get_link_status = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		/* guard against interrupt when we're going down */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
			schedule_delayed_work(&adapter->watchdog_task, 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	/* disable interrupts, without the synchronize_irq bit */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	ew32(IMC, ~0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	E1000_WRITE_FLUSH();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	if (likely(napi_schedule_prep(&adapter->napi))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		adapter->total_tx_bytes = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		adapter->total_tx_packets = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		adapter->total_rx_bytes = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		adapter->total_rx_packets = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		__napi_schedule(&adapter->napi);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		/* this really should not happen! if it does it is basically a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		 * bug, but not a hard error, so enable ints and continue */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
			e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	return IRQ_HANDLED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
 * e1000_clean - NAPI Rx polling callback
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
static int e1000_clean(struct napi_struct *napi, int budget)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	int tx_clean_complete = 0, work_done = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	if (!tx_clean_complete)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		work_done = budget;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	/* If budget not fully consumed, exit the polling mode */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	if (work_done < budget) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
		if (likely(adapter->itr_setting & 3))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
			e1000_set_itr(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		napi_complete(napi);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
			e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	return work_done;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
			       struct e1000_tx_ring *tx_ring)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	struct e1000_tx_desc *tx_desc, *eop_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	unsigned int i, eop;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	unsigned int count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	unsigned int total_tx_bytes=0, total_tx_packets=0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	unsigned int bytes_compl = 0, pkts_compl = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	i = tx_ring->next_to_clean;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	eop = tx_ring->buffer_info[i].next_to_watch;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	       (count < tx_ring->count)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		bool cleaned = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		rmb();	/* read buffer_info after eop_desc */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		for ( ; !cleaned; count++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
			tx_desc = E1000_TX_DESC(*tx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
			buffer_info = &tx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
			cleaned = (i == eop);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
			if (cleaned) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
				total_tx_packets += buffer_info->segs;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
				total_tx_bytes += buffer_info->bytecount;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
				if (buffer_info->skb) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
					bytes_compl += buffer_info->skb->len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
					pkts_compl++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
			tx_desc->upper.data = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
			if (unlikely(++i == tx_ring->count)) i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		eop = tx_ring->buffer_info[i].next_to_watch;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	tx_ring->next_to_clean = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	netdev_completed_queue(netdev, pkts_compl, bytes_compl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
#define TX_WAKE_THRESHOLD 32
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	if (unlikely(count && netif_carrier_ok(netdev) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		/* Make sure that anybody stopping the queue after this
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		 * sees the new next_to_clean.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		smp_mb();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		if (netif_queue_stopped(netdev) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
			netif_wake_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
			++adapter->restart_queue;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	if (adapter->detect_tx_hung) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		/* Detect a transmit hang in hardware, this serializes the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
		 * check with the clearing of time_stamp and movement of i */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		adapter->detect_tx_hung = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
		if (tx_ring->buffer_info[eop].time_stamp &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
		               (adapter->tx_timeout_factor * HZ)) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
			/* detected Tx unit hang */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
			e_err(drv, "Detected Tx Unit Hang\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
			      "  Tx Queue             <%lu>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
			      "  TDH                  <%x>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
			      "  TDT                  <%x>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
			      "  next_to_use          <%x>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
			      "  next_to_clean        <%x>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
			      "buffer_info[next_to_clean]\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
			      "  time_stamp           <%lx>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
			      "  next_to_watch        <%x>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
			      "  jiffies              <%lx>\n"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			      "  next_to_watch.status <%x>\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
				(unsigned long)((tx_ring - adapter->tx_ring) /
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
					sizeof(struct e1000_tx_ring)),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
				readl(hw->hw_addr + tx_ring->tdh),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
				readl(hw->hw_addr + tx_ring->tdt),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
				tx_ring->next_to_use,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
				tx_ring->next_to_clean,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
				tx_ring->buffer_info[eop].time_stamp,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
				eop,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
				jiffies,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
				eop_desc->upper.fields.status);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
			e1000_dump(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
			netif_stop_queue(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	adapter->total_tx_bytes += total_tx_bytes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	adapter->total_tx_packets += total_tx_packets;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	netdev->stats.tx_bytes += total_tx_bytes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	netdev->stats.tx_packets += total_tx_packets;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	return count < tx_ring->count;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
 * e1000_rx_checksum - Receive Checksum Offload for 82543
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
 * @adapter:     board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
 * @status_err:  receive descriptor status and error fields
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
 * @csum:        receive descriptor csum field
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
 * @sk_buff:     socket buffer with received data
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
			      u32 csum, struct sk_buff *skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	u16 status = (u16)status_err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	u8 errors = (u8)(status_err >> 24);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	skb_checksum_none_assert(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	/* 82543 or newer only */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	if (unlikely(hw->mac_type < e1000_82543)) return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	/* Ignore Checksum bit is set */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	/* TCP/UDP checksum error bit is set */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		/* let the stack verify checksum errors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		adapter->hw_csum_err++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	/* TCP/UDP Checksum has not been calculated */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	if (!(status & E1000_RXD_STAT_TCPCS))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	/* It must be a TCP or UDP packet with a valid checksum */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		/* TCP checksum is good */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		skb->ip_summed = CHECKSUM_UNNECESSARY;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	adapter->hw_csum_good++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
 * e1000_consume_page - helper function
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
                               u16 length)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	bi->page = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	skb->len += length;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
	skb->data_len += length;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	skb->truesize += PAGE_SIZE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
 * e1000_receive_skb - helper function to handle rx indications
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
 * @status: descriptor status field as written by hardware
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
 * @skb: pointer to sk_buff to be indicated to stack
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
			      __le16 vlan, struct sk_buff *skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	skb->protocol = eth_type_trans(skb, adapter->netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	if (status & E1000_RXD_STAT_VP) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		__vlan_hwaccel_put_tag(skb, vid);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	napi_gro_receive(&adapter->napi, skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
 * @rx_ring: ring to clean
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
 * @work_done: amount of napi work completed this call
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
 * @work_to_do: max amount of work allowed for this call to do
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
 * the return value indicates whether actual cleaning was done, there
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
 * is no guarantee that everything was cleaned
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
				     struct e1000_rx_ring *rx_ring,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
				     int *work_done, int work_to_do)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	struct e1000_rx_desc *rx_desc, *next_rxd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	struct e1000_buffer *buffer_info, *next_buffer;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	unsigned long irq_flags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	u32 length;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	int cleaned_count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	bool cleaned = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	unsigned int total_rx_bytes=0, total_rx_packets=0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	i = rx_ring->next_to_clean;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	rx_desc = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	while (rx_desc->status & E1000_RXD_STAT_DD) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		struct sk_buff *skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
		u8 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		if (*work_done >= work_to_do)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		(*work_done)++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
		rmb(); /* read descriptor and rx_buffer_info after status DD */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		status = rx_desc->status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
		skb = buffer_info->skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		if (++i == rx_ring->count) i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		next_rxd = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		prefetch(next_rxd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		next_buffer = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		cleaned = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		cleaned_count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
		dma_unmap_page(&pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
			       buffer_info->length, DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
		buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		length = le16_to_cpu(rx_desc->length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
		/* errors is only valid for DD + EOP descriptors */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
		if (unlikely((status & E1000_RXD_STAT_EOP) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
			u8 *mapped;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
			u8 last_byte;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
			mapped = page_address(buffer_info->page);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
			last_byte = *(mapped + length - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
				       last_byte)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
				spin_lock_irqsave(&adapter->stats_lock,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
				                  irq_flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
				e1000_tbi_adjust_stats(hw, &adapter->stats,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
						       length, mapped);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
				spin_unlock_irqrestore(&adapter->stats_lock,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
				                       irq_flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
				length--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
				if (netdev->features & NETIF_F_RXALL)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
					goto process_skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
				/* recycle both page and skb */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
				buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
				/* an error means any chain goes out the window
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
				 * too */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
				if (rx_ring->rx_skb_top)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
					dev_kfree_skb(rx_ring->rx_skb_top);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
				rx_ring->rx_skb_top = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
				goto next_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
#define rxtop rx_ring->rx_skb_top
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
process_skb:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
		if (!(status & E1000_RXD_STAT_EOP)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
			/* this descriptor is only the beginning (or middle) */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
			if (!rxtop) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
				/* this is the beginning of a chain */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
				rxtop = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
				                   0, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
				/* this is the middle of a chain */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
				skb_fill_page_desc(rxtop,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
				    skb_shinfo(rxtop)->nr_frags,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
				    buffer_info->page, 0, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
				/* re-use the skb, only consumed the page */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
				buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
			e1000_consume_page(buffer_info, rxtop, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
			goto next_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			if (rxtop) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
				/* end of the chain */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
				skb_fill_page_desc(rxtop,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
				    skb_shinfo(rxtop)->nr_frags,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
				    buffer_info->page, 0, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
				/* re-use the current skb, we only consumed the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
				 * page */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
				buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
				skb = rxtop;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
				rxtop = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
				e1000_consume_page(buffer_info, skb, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
				/* no chain, got EOP, this buf is the packet
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
				 * copybreak to save the put_page/alloc_page */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
				if (length <= copybreak &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
				    skb_tailroom(skb) >= length) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
					u8 *vaddr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
					vaddr = kmap_atomic(buffer_info->page);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
					memcpy(skb_tail_pointer(skb), vaddr, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
					kunmap_atomic(vaddr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
					/* re-use the page, so don't erase
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
					 * buffer_info->page */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
					skb_put(skb, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
				} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
					skb_fill_page_desc(skb, 0,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
					                   buffer_info->page, 0,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
				                           length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
					e1000_consume_page(buffer_info, skb,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
					                   length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		e1000_rx_checksum(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		                  (u32)(status) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		                  ((u32)(rx_desc->errors) << 24),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		                  le16_to_cpu(rx_desc->csum), skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		total_rx_bytes += (skb->len - 4); /* don't count FCS */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
			pskb_trim(skb, skb->len - 4);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		total_rx_packets++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		/* eth type trans needs skb->data to point to something */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		if (!pskb_may_pull(skb, ETH_HLEN)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
			e_err(drv, "pskb_may_pull failed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
			dev_kfree_skb(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
			goto next_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		e1000_receive_skb(adapter, status, rx_desc->special, skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
next_desc:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		rx_desc->status = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		/* return some buffers to hardware, one at a time is too slow */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
			cleaned_count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		/* use prefetched values */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
		rx_desc = next_rxd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		buffer_info = next_buffer;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	rx_ring->next_to_clean = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	if (cleaned_count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	adapter->total_rx_packets += total_rx_packets;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	adapter->total_rx_bytes += total_rx_bytes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	netdev->stats.rx_bytes += total_rx_bytes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	netdev->stats.rx_packets += total_rx_packets;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	return cleaned;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
 * this should improve performance for small packets with large amounts
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
 * of reassembly being done in the stack
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
static void e1000_check_copybreak(struct net_device *netdev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
				 struct e1000_buffer *buffer_info,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
				 u32 length, struct sk_buff **skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	struct sk_buff *new_skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	if (length > copybreak)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	if (!new_skb)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
				       (*skb)->data - NET_IP_ALIGN,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
				       length + NET_IP_ALIGN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	/* save the skb in buffer_info as good */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	buffer_info->skb = *skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	*skb = new_skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
 * @adapter: board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
 * @rx_ring: ring to clean
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
 * @work_done: amount of napi work completed this call
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
 * @work_to_do: max amount of work allowed for this call to do
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
			       struct e1000_rx_ring *rx_ring,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			       int *work_done, int work_to_do)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
	struct e1000_rx_desc *rx_desc, *next_rxd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	struct e1000_buffer *buffer_info, *next_buffer;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	unsigned long flags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	u32 length;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	int cleaned_count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	bool cleaned = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	unsigned int total_rx_bytes=0, total_rx_packets=0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	i = rx_ring->next_to_clean;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	rx_desc = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	while (rx_desc->status & E1000_RXD_STAT_DD) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		struct sk_buff *skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
		u8 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		if (*work_done >= work_to_do)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
		(*work_done)++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		rmb(); /* read descriptor and rx_buffer_info after status DD */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		status = rx_desc->status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		skb = buffer_info->skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		prefetch(skb->data - NET_IP_ALIGN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		if (++i == rx_ring->count) i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		next_rxd = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		prefetch(next_rxd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
		next_buffer = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		cleaned = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		cleaned_count++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		dma_unmap_single(&pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
				 buffer_info->length, DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		length = le16_to_cpu(rx_desc->length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		/* !EOP means multiple descriptors were used to store a single
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		 * packet, if thats the case we need to toss it.  In fact, we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		 * to toss every packet with the EOP bit clear and the next
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
		 * frame that _does_ have the EOP bit set, as it is by
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		 * definition only a frame fragment
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
			adapter->discarding = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		if (adapter->discarding) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
			/* All receives must fit into a single buffer */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
			e_dbg("Receive packet consumed multiple buffers\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
			/* recycle */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
			buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
			if (status & E1000_RXD_STAT_EOP)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
				adapter->discarding = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
			goto next_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
			u8 last_byte = *(skb->data + length - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
				       last_byte)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
				spin_lock_irqsave(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
				e1000_tbi_adjust_stats(hw, &adapter->stats,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
				                       length, skb->data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
				spin_unlock_irqrestore(&adapter->stats_lock,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
				                       flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
				length--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
				if (netdev->features & NETIF_F_RXALL)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
					goto process_skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
				/* recycle */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
				buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
				goto next_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
process_skb:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		total_rx_bytes += (length - 4); /* don't count FCS */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
		total_rx_packets++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
			/* adjust length to remove Ethernet CRC, this must be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
			 * done after the TBI_ACCEPT workaround above
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
			length -= 4;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		skb_put(skb, length);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		/* Receive Checksum Offload */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
		e1000_rx_checksum(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
				  (u32)(status) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
				  ((u32)(rx_desc->errors) << 24),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
				  le16_to_cpu(rx_desc->csum), skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		e1000_receive_skb(adapter, status, rx_desc->special, skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
next_desc:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		rx_desc->status = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		/* return some buffers to hardware, one at a time is too slow */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
			cleaned_count = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		/* use prefetched values */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		rx_desc = next_rxd;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		buffer_info = next_buffer;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	rx_ring->next_to_clean = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	if (cleaned_count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	adapter->total_rx_packets += total_rx_packets;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	adapter->total_rx_bytes += total_rx_bytes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	netdev->stats.rx_bytes += total_rx_bytes;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	netdev->stats.rx_packets += total_rx_packets;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	return cleaned;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
 * @adapter: address of board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
 * @rx_ring: pointer to receive ring structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
 * @cleaned_count: number of buffers to allocate this pass
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
static void
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	struct e1000_rx_desc *rx_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	struct sk_buff *skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	i = rx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	while (cleaned_count--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		skb = buffer_info->skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		if (skb) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
			skb_trim(skb, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
			goto check_page;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		if (unlikely(!skb)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			/* Better luck next round */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
			adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
		buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		buffer_info->length = adapter->rx_buffer_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
check_page:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		/* allocate a new page if necessary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		if (!buffer_info->page) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
			buffer_info->page = alloc_page(GFP_ATOMIC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			if (unlikely(!buffer_info->page)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
				adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		if (!buffer_info->dma) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
			buffer_info->dma = dma_map_page(&pdev->dev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
			                                buffer_info->page, 0,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
							buffer_info->length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
							DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
				put_page(buffer_info->page);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
				dev_kfree_skb(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
				buffer_info->page = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
				buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
				buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
				adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
				break; /* while !buffer_info->skb */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
		rx_desc = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
		if (unlikely(++i == rx_ring->count))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
		buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	if (likely(rx_ring->next_to_use != i)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		rx_ring->next_to_use = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		if (unlikely(i-- == 0))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
			i = (rx_ring->count - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		/* Force memory writes to complete before letting h/w
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		 * know there are new descriptors to fetch.  (Only
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		 * applicable for weak-ordered memory model archs,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		 * such as IA-64). */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		wmb();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
 * @adapter: address of board private structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
				   struct e1000_rx_ring *rx_ring,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
				   int cleaned_count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	struct net_device *netdev = adapter->netdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	struct pci_dev *pdev = adapter->pdev;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	struct e1000_rx_desc *rx_desc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	struct e1000_buffer *buffer_info;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	struct sk_buff *skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	unsigned int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	unsigned int bufsz = adapter->rx_buffer_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	i = rx_ring->next_to_use;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	while (cleaned_count--) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		skb = buffer_info->skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		if (skb) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
			skb_trim(skb, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
			goto map_skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		if (unlikely(!skb)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
			/* Better luck next round */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
			adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		/* Fix for errata 23, can't cross 64kB boundary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
			struct sk_buff *oldskb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
			e_err(rx_err, "skb align check failed: %u bytes at "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
			      "%p\n", bufsz, skb->data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
			/* Try again, without freeing the previous */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
			/* Failed allocation, critical failure */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
			if (!skb) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
				dev_kfree_skb(oldskb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
				adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
				/* give up */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
				dev_kfree_skb(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
				dev_kfree_skb(oldskb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
				adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
				break; /* while !buffer_info->skb */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			/* Use new allocation */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			dev_kfree_skb(oldskb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		buffer_info->skb = skb;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
		buffer_info->length = adapter->rx_buffer_len;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
map_skb:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		buffer_info->dma = dma_map_single(&pdev->dev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
						  skb->data,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
						  buffer_info->length,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
						  DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			dev_kfree_skb(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
			buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
			buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
			break; /* while !buffer_info->skb */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		 * XXX if it was allocated cleanly it will never map to a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		 * boundary crossing
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		/* Fix for errata 23, can't cross 64kB boundary */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		if (!e1000_check_64k_bound(adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
					(void *)(unsigned long)buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
					adapter->rx_buffer_len)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
			e_err(rx_err, "dma align check failed: %u bytes at "
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
			      "%p\n", adapter->rx_buffer_len,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
			      (void *)(unsigned long)buffer_info->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
			dev_kfree_skb(skb);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
			buffer_info->skb = NULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
			dma_unmap_single(&pdev->dev, buffer_info->dma,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
					 adapter->rx_buffer_len,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
					 DMA_FROM_DEVICE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
			buffer_info->dma = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			adapter->alloc_rx_buff_failed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
			break; /* while !buffer_info->skb */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
		rx_desc = E1000_RX_DESC(*rx_ring, i);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		if (unlikely(++i == rx_ring->count))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
			i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
		buffer_info = &rx_ring->buffer_info[i];
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	if (likely(rx_ring->next_to_use != i)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		rx_ring->next_to_use = i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		if (unlikely(i-- == 0))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
			i = (rx_ring->count - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		/* Force memory writes to complete before letting h/w
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		 * know there are new descriptors to fetch.  (Only
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		 * applicable for weak-ordered memory model archs,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		 * such as IA-64). */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		wmb();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		writel(i, hw->hw_addr + rx_ring->rdt);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
 * @adapter:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
static void e1000_smartspeed(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	u16 phy_status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	u16 phy_ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	if (adapter->smartspeed == 0) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
		/* If Master/Slave config fault is asserted twice,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		 * we assume back-to-back */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
					    phy_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
			adapter->smartspeed++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
			if (!e1000_phy_setup_autoneg(hw) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
			   !e1000_read_phy_reg(hw, PHY_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
				   	       &phy_ctrl)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
					     MII_CR_RESTART_AUTO_NEG);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
				e1000_write_phy_reg(hw, PHY_CTRL,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
						    phy_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		/* If still no link, perhaps using 2/3 pair cable */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		phy_ctrl |= CR_1000T_MS_ENABLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		if (!e1000_phy_setup_autoneg(hw) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
				     MII_CR_RESTART_AUTO_NEG);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		adapter->smartspeed = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
 * e1000_ioctl -
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
 * @netdev:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
 * @ifreq:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
 * @cmd:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	switch (cmd) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	case SIOCGMIIPHY:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	case SIOCGMIIREG:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	case SIOCSMIIREG:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
		return e1000_mii_ioctl(netdev, ifr, cmd);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		return -EOPNOTSUPP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
 * e1000_mii_ioctl -
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
 * @netdev:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
 * @ifreq:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
 * @cmd:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
			   int cmd)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
	struct mii_ioctl_data *data = if_mii(ifr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	int retval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	u16 mii_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	unsigned long flags;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
	if (hw->media_type != e1000_media_type_copper)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		return -EOPNOTSUPP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	switch (cmd) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	case SIOCGMIIPHY:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		data->phy_id = hw->phy_addr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	case SIOCGMIIREG:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		spin_lock_irqsave(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
				   &data->val_out)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
			return -EIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	case SIOCSMIIREG:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		if (data->reg_num & ~(0x1F))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
			return -EFAULT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		mii_reg = data->val_in;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		spin_lock_irqsave(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		if (e1000_write_phy_reg(hw, data->reg_num,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
					mii_reg)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
			return -EIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		if (hw->media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
			switch (data->reg_num) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
			case PHY_CTRL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
				if (mii_reg & MII_CR_POWER_DOWN)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
					hw->autoneg = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
					hw->autoneg_advertised = 0x2F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
				} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
					u32 speed;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
					if (mii_reg & 0x40)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
						speed = SPEED_1000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
					else if (mii_reg & 0x2000)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
						speed = SPEED_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
					else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
						speed = SPEED_10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
					retval = e1000_set_spd_dplx(
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
						adapter, speed,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
						((mii_reg & 0x100)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
						 ? DUPLEX_FULL :
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
						 DUPLEX_HALF));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
					if (retval)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
						return retval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
				if (netif_running(adapter->netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
					e1000_reinit_locked(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
				else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
					e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
			case M88E1000_PHY_SPEC_CTRL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
			case M88E1000_EXT_PHY_SPEC_CTRL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
				if (e1000_phy_reset(hw))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
					return -EIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
			switch (data->reg_num) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
			case PHY_CTRL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
				if (mii_reg & MII_CR_POWER_DOWN)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
					break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
				if (netif_running(adapter->netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
					e1000_reinit_locked(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
				else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
					e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
				break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
		return -EOPNOTSUPP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	return E1000_SUCCESS;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
void e1000_pci_set_mwi(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	struct e1000_adapter *adapter = hw->back;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	int ret_val = pci_set_mwi(adapter->pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
		e_err(probe, "Error in setting MWI\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
void e1000_pci_clear_mwi(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	struct e1000_adapter *adapter = hw->back;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	pci_clear_mwi(adapter->pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	struct e1000_adapter *adapter = hw->back;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	return pcix_get_mmrbc(adapter->pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	struct e1000_adapter *adapter = hw->back;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	pcix_set_mmrbc(adapter->pdev, mmrbc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	outl(value, port);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
static bool e1000_vlan_used(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	u16 vid;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
		return true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	return false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
static void __e1000_vlan_mode(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
			      netdev_features_t features)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	if (features & NETIF_F_HW_VLAN_RX) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
		/* enable VLAN tag insert/strip */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		ctrl |= E1000_CTRL_VME;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		/* disable VLAN tag insert/strip */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
		ctrl &= ~E1000_CTRL_VME;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
				     bool filter_on)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	u32 rctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
		e1000_irq_disable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	__e1000_vlan_mode(adapter, adapter->netdev->features);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	if (filter_on) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		/* enable VLAN receive filtering */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		rctl &= ~E1000_RCTL_CFIEN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		if (!(adapter->netdev->flags & IFF_PROMISC))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
			rctl |= E1000_RCTL_VFE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		e1000_update_mng_vlan(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		/* disable VLAN receive filtering */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
		rctl &= ~E1000_RCTL_VFE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		ew32(RCTL, rctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
		e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
static void e1000_vlan_mode(struct net_device *netdev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
			    netdev_features_t features)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		e1000_irq_disable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	__e1000_vlan_mode(adapter, features);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
		e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	u32 vfta, index;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	if ((hw->mng_cookie.status &
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	    (vid == adapter->mng_vlan_id))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	if (!e1000_vlan_used(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		e1000_vlan_filter_on_off(adapter, true);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	/* add VID to filter table */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	index = (vid >> 5) & 0x7F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	vfta |= (1 << (vid & 0x1F));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	e1000_write_vfta(hw, index, vfta);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	set_bit(vid, adapter->active_vlans);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	u32 vfta, index;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
		e1000_irq_disable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	if (!test_bit(__E1000_DOWN, &adapter->flags))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		e1000_irq_enable(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	/* remove VID from filter table */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	index = (vid >> 5) & 0x7F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	vfta &= ~(1 << (vid & 0x1F));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	e1000_write_vfta(hw, index, vfta);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	clear_bit(vid, adapter->active_vlans);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (!e1000_vlan_used(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		e1000_vlan_filter_on_off(adapter, false);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
static void e1000_restore_vlan(struct e1000_adapter *adapter)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	u16 vid;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	if (!e1000_vlan_used(adapter))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	e1000_vlan_filter_on_off(adapter, true);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	hw->autoneg = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	 * for the switch() below to work */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	if ((spd & 1) || (dplx & ~1))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		goto err_inval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	/* Fiber NICs only allow 1000 gbps Full duplex */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	if ((hw->media_type == e1000_media_type_fiber) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	    spd != SPEED_1000 &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	    dplx != DUPLEX_FULL)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		goto err_inval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	switch (spd + dplx) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	case SPEED_10 + DUPLEX_HALF:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		hw->forced_speed_duplex = e1000_10_half;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	case SPEED_10 + DUPLEX_FULL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		hw->forced_speed_duplex = e1000_10_full;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	case SPEED_100 + DUPLEX_HALF:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		hw->forced_speed_duplex = e1000_100_half;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	case SPEED_100 + DUPLEX_FULL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		hw->forced_speed_duplex = e1000_100_full;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	case SPEED_1000 + DUPLEX_FULL:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		hw->autoneg = 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		goto err_inval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	/* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
	hw->mdix = AUTO_ALL_MODES;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
err_inval:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	return -EINVAL;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	struct net_device *netdev = pci_get_drvdata(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	u32 ctrl, ctrl_ext, rctl, status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	u32 wufc = adapter->wol;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
#ifdef CONFIG_PM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	int retval = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	netif_device_detach(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
	if (netif_running(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
		e1000_down(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
#ifdef CONFIG_PM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	retval = pci_save_state(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	if (retval)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
		return retval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	if (status & E1000_STATUS_LU)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
		wufc &= ~E1000_WUFC_LNKC;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	if (wufc) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
		e1000_setup_rctl(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
		e1000_set_rx_mode(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
		rctl = er32(RCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		/* turn on all-multi mode if wake on multicast is enabled */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		if (wufc & E1000_WUFC_MC)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
			rctl |= E1000_RCTL_MPE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
		/* enable receives in the hardware */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
		ew32(RCTL, rctl | E1000_RCTL_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
		if (hw->mac_type >= e1000_82540) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
			ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
			/* advertise wake from D3Cold */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
			#define E1000_CTRL_ADVD3WUC 0x00100000
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
			/* phy power management enable */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
			ctrl |= E1000_CTRL_ADVD3WUC |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
				E1000_CTRL_EN_PHY_PWR_MGMT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
			ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
		if (hw->media_type == e1000_media_type_fiber ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
		    hw->media_type == e1000_media_type_internal_serdes) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
			/* keep the laser running in D3 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
			ctrl_ext = er32(CTRL_EXT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
			ew32(CTRL_EXT, ctrl_ext);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
		ew32(WUC, E1000_WUC_PME_EN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
		ew32(WUFC, wufc);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
		ew32(WUC, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
		ew32(WUFC, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	e1000_release_manageability(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	*enable_wake = !!wufc;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	/* make sure adapter isn't asleep if manageability is enabled */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	if (adapter->en_mng_pt)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		*enable_wake = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		e1000_free_irq(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	pci_disable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
#ifdef CONFIG_PM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	int retval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	bool wake;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	retval = __e1000_shutdown(pdev, &wake);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	if (retval)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
		return retval;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	if (wake) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		pci_prepare_to_sleep(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
		pci_wake_from_d3(pdev, false);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		pci_set_power_state(pdev, PCI_D3hot);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
static int e1000_resume(struct pci_dev *pdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	struct net_device *netdev = pci_get_drvdata(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	u32 err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	pci_set_power_state(pdev, PCI_D0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	pci_restore_state(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	pci_save_state(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	if (adapter->need_ioport)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
		err = pci_enable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
		err = pci_enable_device_mem(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	if (err) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		pr_err("Cannot enable PCI device from suspend\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	pci_set_master(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	pci_enable_wake(pdev, PCI_D3hot, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	pci_enable_wake(pdev, PCI_D3cold, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	if (netif_running(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
		err = e1000_request_irq(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		if (err)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
			return err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	e1000_power_up_phy(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	ew32(WUS, ~0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	e1000_init_manageability(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
		e1000_up(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	netif_device_attach(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
static void e1000_shutdown(struct pci_dev *pdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	bool wake;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	__e1000_shutdown(pdev, &wake);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	if (system_state == SYSTEM_POWER_OFF) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		pci_wake_from_d3(pdev, wake);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
		pci_set_power_state(pdev, PCI_D3hot);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
#ifdef CONFIG_NET_POLL_CONTROLLER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
/*
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
 * Polling 'interrupt' - used by things like netconsole to send skbs
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
 * without having to re-enable interrupts. It's not called while
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
 * the interrupt routine is executing.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
static void e1000_netpoll(struct net_device *netdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	disable_irq(adapter->pdev->irq);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	e1000_intr(adapter->pdev->irq, netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	enable_irq(adapter->pdev->irq);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
#endif
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
 * e1000_io_error_detected - called when PCI error is detected
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
 * @pdev: Pointer to PCI device
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
 * @state: The current pci connection state
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
 * This function is called after a PCI bus error affecting
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
 * this device has been detected.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
						pci_channel_state_t state)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
	struct net_device *netdev = pci_get_drvdata(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	netif_device_detach(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	if (state == pci_channel_io_perm_failure)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
		return PCI_ERS_RESULT_DISCONNECT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	if (netif_running(netdev))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
		e1000_down(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	pci_disable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	/* Request a slot slot reset. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	return PCI_ERS_RESULT_NEED_RESET;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
 * e1000_io_slot_reset - called after the pci bus has been reset.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
 * @pdev: Pointer to PCI device
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
 * Restart the card from scratch, as if from a cold-boot. Implementation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
 * resembles the first-half of the e1000_resume routine.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	struct net_device *netdev = pci_get_drvdata(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	struct e1000_hw *hw = &adapter->hw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	int err;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	if (adapter->need_ioport)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
		err = pci_enable_device(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
		err = pci_enable_device_mem(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	if (err) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
		pr_err("Cannot re-enable PCI device after reset.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		return PCI_ERS_RESULT_DISCONNECT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	pci_set_master(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	pci_enable_wake(pdev, PCI_D3hot, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	pci_enable_wake(pdev, PCI_D3cold, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	e1000_reset(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	ew32(WUS, ~0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	return PCI_ERS_RESULT_RECOVERED;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
 * e1000_io_resume - called when traffic can start flowing again.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
 * @pdev: Pointer to PCI device
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
 * This callback is called when the error recovery driver tells us that
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
 * its OK to resume normal operation. Implementation resembles the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
 * second-half of the e1000_resume routine.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
static void e1000_io_resume(struct pci_dev *pdev)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	struct net_device *netdev = pci_get_drvdata(pdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	struct e1000_adapter *adapter = netdev_priv(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
	e1000_init_manageability(adapter);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	if (netif_running(netdev)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		if (e1000_up(adapter)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
			pr_info("can't bring device back up after reset\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
			return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	netif_device_attach(netdev);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
/* e1000_main.c */