devices/e1000/e1000_main-3.4-ethercat.c
author Florian Pose <fp@igh-essen.com>
Wed, 22 Jun 2016 14:08:34 +0200
changeset 2652 973060629fc6
parent 2589 2b9c78543663
permissions -rw-r--r--
Minor change.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#include "e1000-3.4-ethercat.h"
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#include <net/ip6_checksum.h>
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#include <linux/io.h>
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#include <linux/prefetch.h>
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#include <linux/bitops.h>
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#include <linux/if_vlan.h>
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-k8-NAPI"
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const char e1000_driver_version[] = DRV_VERSION;
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static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	INTEL_E1000_ETHERNET_DEVICE(0x2E6E),
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	/* required last entry */
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	{0,}
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};
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// do not auto-load driver
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// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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   131
static void e1000_set_rx_mode(struct net_device *netdev);
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   132
static void e1000_update_phy_info_task(struct work_struct *work);
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   133
static void e1000_watchdog(struct work_struct *work);
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   134
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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   138
static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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void ec_poll(struct net_device *);
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   141
static irqreturn_t e1000_intr(int irq, void *data);
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   142
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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   144
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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   148
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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   156
					 int cleaned_count);
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   157
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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   158
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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   160
static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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   161
static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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   162
static void e1000_tx_timeout(struct net_device *dev);
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   163
static void e1000_reset_task(struct work_struct *work);
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   164
static void e1000_smartspeed(struct e1000_adapter *adapter);
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   165
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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   166
                                       struct sk_buff *skb);
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   167
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static bool e1000_vlan_used(struct e1000_adapter *adapter);
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   169
static void e1000_vlan_mode(struct net_device *netdev,
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   170
			    netdev_features_t features);
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   171
static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
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   172
				     bool filter_on);
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   173
static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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   174
static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
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   175
static void e1000_restore_vlan(struct e1000_adapter *adapter);
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   176
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   177
#ifdef CONFIG_PM
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   178
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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   179
static int e1000_resume(struct pci_dev *pdev);
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   180
#endif
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   181
static void e1000_shutdown(struct pci_dev *pdev);
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   182
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   183
#ifdef CONFIG_NET_POLL_CONTROLLER
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   184
/* for netdump / net console */
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   185
static void e1000_netpoll (struct net_device *netdev);
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   186
#endif
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   187
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   188
#define COPYBREAK_DEFAULT 256
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   189
static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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   190
module_param(copybreak, uint, 0644);
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   191
MODULE_PARM_DESC(copybreak,
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   192
	"Maximum size of packet that is copied to a new buffer on receive");
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   193
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   194
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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   195
                     pci_channel_state_t state);
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   196
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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   197
static void e1000_io_resume(struct pci_dev *pdev);
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   198
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   199
static struct pci_error_handlers e1000_err_handler = {
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   200
	.error_detected = e1000_io_error_detected,
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   201
	.slot_reset = e1000_io_slot_reset,
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   202
	.resume = e1000_io_resume,
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   203
};
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   204
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   205
static struct pci_driver e1000_driver = {
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   206
	.name     = e1000_driver_name,
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   207
	.id_table = e1000_pci_tbl,
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   208
	.probe    = e1000_probe,
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   209
	.remove   = __devexit_p(e1000_remove),
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   210
#ifdef CONFIG_PM
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   211
	/* Power Management Hooks */
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   212
	.suspend  = e1000_suspend,
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   213
	.resume   = e1000_resume,
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   214
#endif
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   215
	.shutdown = e1000_shutdown,
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   216
	.err_handler = &e1000_err_handler
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   217
};
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   218
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   219
MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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   220
MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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   221
MODULE_LICENSE("GPL");
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   222
MODULE_VERSION(DRV_VERSION);
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   223
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   224
#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
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   225
static int debug = -1;
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   226
module_param(debug, int, 0);
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   227
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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   228
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   229
/**
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   230
 * e1000_get_hw_dev - return device
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   231
 * used by hardware layer to print debugging information
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   232
 *
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   233
 **/
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   234
struct net_device *e1000_get_hw_dev(struct e1000_hw *hw)
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   235
{
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   236
	struct e1000_adapter *adapter = hw->back;
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   237
	return adapter->netdev;
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   238
}
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   239
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   240
/**
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   241
 * e1000_init_module - Driver Registration Routine
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   242
 *
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   243
 * e1000_init_module is the first routine called when the driver is
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   244
 * loaded. All it does is register with the PCI subsystem.
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   245
 **/
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   246
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   247
static int __init e1000_init_module(void)
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   248
{
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   249
	int ret;
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   250
	pr_info("%s - version %s\n", e1000_driver_string, e1000_driver_version);
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   251
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   252
	pr_info("%s\n", e1000_copyright);
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   253
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   254
	ret = pci_register_driver(&e1000_driver);
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   255
	if (copybreak != COPYBREAK_DEFAULT) {
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parents:
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   256
		if (copybreak == 0)
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   257
			pr_info("copybreak disabled\n");
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   258
		else
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   259
			pr_info("copybreak enabled for "
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   260
				   "packets <= %u bytes\n", copybreak);
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parents:
diff changeset
   261
	}
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   262
	return ret;
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parents:
diff changeset
   263
}
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parents:
diff changeset
   264
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   265
module_init(e1000_init_module);
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parents:
diff changeset
   266
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parents:
diff changeset
   267
/**
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   268
 * e1000_exit_module - Driver Exit Cleanup Routine
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   269
 *
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   270
 * e1000_exit_module is called just before the driver is removed
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   271
 * from memory.
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   272
 **/
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   273
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   274
static void __exit e1000_exit_module(void)
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   275
{
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   276
	pci_unregister_driver(&e1000_driver);
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   277
}
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   278
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   279
module_exit(e1000_exit_module);
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   280
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   281
static int e1000_request_irq(struct e1000_adapter *adapter)
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   282
{
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   283
	struct net_device *netdev = adapter->netdev;
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   284
	irq_handler_t handler = e1000_intr;
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   285
	int irq_flags = IRQF_SHARED;
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parents:
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   286
	int err;
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parents:
diff changeset
   287
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parents:
diff changeset
   288
	if (adapter->ecdev) {
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   289
		return 0;
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parents:
diff changeset
   290
	}
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diff changeset
   291
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   292
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	                  netdev);
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parents:
diff changeset
   294
	if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
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   295
		e_err(probe, "Unable to allocate interrupt Error: %d\n", err);
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   296
	}
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   297
2b9c78543663 Reverted default branch to stable-1.5.
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diff changeset
   298
	return err;
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parents:
diff changeset
   299
}
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parents:
diff changeset
   300
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
static void e1000_free_irq(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   302
{
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parents:
diff changeset
   303
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   304
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		return;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	free_irq(adapter->pdev->irq, netdev);
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parents:
diff changeset
   310
}
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parents:
diff changeset
   311
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
/**
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parents:
diff changeset
   313
 * e1000_irq_disable - Mask off interrupt generation on the NIC
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
 * @adapter: board private structure
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parents:
diff changeset
   315
 **/
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
static void e1000_irq_disable(struct e1000_adapter *adapter)
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parents:
diff changeset
   318
{
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parents:
diff changeset
   319
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   320
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   322
		return;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	}
2b9c78543663 Reverted default branch to stable-1.5.
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parents:
diff changeset
   324
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	ew32(IMC, ~0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	synchronize_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
 * e1000_irq_enable - Enable default interrupt generation settings
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
static void e1000_irq_enable(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	ew32(IMS, IMS_ENABLE_MASK);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
	u16 vid = hw->mng_cookie.vlan_id;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
	u16 old_vid = adapter->mng_vlan_id;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	if (!e1000_vlan_used(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	if (!test_bit(vid, adapter->active_vlans)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		if (hw->mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		    E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			e1000_vlan_rx_add_vid(netdev, vid);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			adapter->mng_vlan_id = vid;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
		    (vid != old_vid) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		    !test_bit(old_vid, adapter->active_vlans))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			e1000_vlan_rx_kill_vid(netdev, old_vid);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		adapter->mng_vlan_id = vid;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
static void e1000_init_manageability(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	if (adapter->en_mng_pt) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		u32 manc = er32(MANC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		/* disable hardware interception of ARP */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		manc &= ~(E1000_MANC_ARP_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		ew32(MANC, manc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
static void e1000_release_manageability(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	if (adapter->en_mng_pt) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		u32 manc = er32(MANC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		/* re-enable hardware interception of ARP */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		manc |= E1000_MANC_ARP_EN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		ew32(MANC, manc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * e1000_configure - configure the hardware for RX and TX
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 * @adapter = private board structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
static void e1000_configure(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	e1000_set_rx_mode(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	e1000_restore_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	e1000_init_manageability(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	e1000_configure_tx(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	e1000_setup_rctl(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	e1000_configure_rx(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	/* call E1000_DESC_UNUSED which always leaves
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	 * at least 1 descriptor unused to make sure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	 * next_to_use != next_to_clean */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	for (i = 0; i < adapter->num_rx_queues; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			/* fill rx ring completely! */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			adapter->alloc_rx_buf(adapter, ring, ring->count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
			/* this one leaves the last ring element unallocated! */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
			adapter->alloc_rx_buf(adapter, ring,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
					E1000_DESC_UNUSED(ring));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
int e1000_up(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	/* hardware has been reset, we need to reload some things */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	e1000_configure(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	clear_bit(__E1000_DOWN, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		napi_enable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		netif_wake_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		/* fire a link change interrupt to start the watchdog */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		ew32(ICS, E1000_ICS_LSC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 * e1000_power_up_phy - restore link in case the phy was powered down
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 * @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 * The phy may be powered down to save power and turn off link when the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 * driver is unloaded and wake on lan is not enabled (among others)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 * *** this routine MUST be followed by a call to e1000_reset ***
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
void e1000_power_up_phy(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	u16 mii_reg = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	/* Just clear the power down bit to wake the phy back up */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	if (hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		/* according to the manual, the phy will retain its
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		 * settings across a power-down/up cycle */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		mii_reg &= ~MII_CR_POWER_DOWN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
static void e1000_power_down_phy(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	/* Power down the PHY so no link is implied when interface is down *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	 * The PHY cannot be powered down if any of the following is true *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	 * (a) WoL is enabled
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	 * (b) AMT is active
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	 * (c) SoL/IDER session is active */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	   hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		u16 mii_reg = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		case e1000_82540:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		case e1000_82545:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		case e1000_ce4100:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
				goto out;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
			goto out;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		mii_reg |= MII_CR_POWER_DOWN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		msleep(1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
out:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
static void e1000_down_and_stop(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	set_bit(__E1000_DOWN, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* Only kill reset task if adapter is not resetting */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	if (!test_bit(__E1000_RESETTING, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		cancel_work_sync(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		cancel_delayed_work_sync(&adapter->watchdog_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		cancel_delayed_work_sync(&adapter->phy_info_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		cancel_delayed_work_sync(&adapter->fifo_stall_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
void e1000_down(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	u32 rctl, tctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	/* disable receives in the hardware */	
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		/* flush and sleep below */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		netif_tx_disable(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	/* disable transmits in the hardware */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	tctl &= ~E1000_TCTL_EN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	/* flush both disables and wait for them to finish */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		napi_disable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
		e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	 * Setting DOWN must be after irq_disable to prevent
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	 * a screaming interrupt.  Setting DOWN also prevents
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	 * tasks from rescheduling.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	e1000_down_and_stop(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	adapter->link_speed = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	adapter->link_duplex = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	e1000_clean_all_tx_rings(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	e1000_clean_all_rx_rings(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
static void e1000_reinit_safe(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		msleep(1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	mutex_lock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	e1000_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	e1000_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	mutex_unlock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	clear_bit(__E1000_RESETTING, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
void e1000_reinit_locked(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	/* if rtnl_lock is not held the call path is bogus */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	ASSERT_RTNL();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	WARN_ON(in_interrupt());
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		msleep(1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	e1000_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	e1000_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	clear_bit(__E1000_RESETTING, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
void e1000_reset(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	bool legacy_pba_adjust = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	u16 hwm;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	/* Repartition Pba for greater than 9k mtu
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	 * To take effect CTRL.RST is required.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	case e1000_82540:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		legacy_pba_adjust = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		pba = E1000_PBA_48K;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	case e1000_82545:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	case e1000_ce4100:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		pba = E1000_PBA_48K;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		legacy_pba_adjust = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		pba = E1000_PBA_30K;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	case e1000_undefined:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	case e1000_num_macs:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	if (legacy_pba_adjust) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			pba -= 8; /* allocate more FIFO for Tx */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		if (hw->mac_type == e1000_82547) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			adapter->tx_fifo_head = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			adapter->tx_fifo_size =
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			atomic_set(&adapter->tx_fifo_stall, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		/* adjust PBA for jumbo frames */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		/* To maintain wire speed transmits, the Tx FIFO should be
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		 * large enough to accommodate two full transmit packets,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		 * the Rx FIFO should be large enough to accommodate at least
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		 * one full receive packet and is similarly rounded up and
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		 * expressed in KB. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		pba = er32(PBA);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		/* upper 16 bits has Tx packet buffer allocation size in KB */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		tx_space = pba >> 16;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		/* lower 16 bits has Rx packet buffer allocation size in KB */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		pba &= 0xffff;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		 * the tx fifo also stores 16 bytes of information about the tx
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		 * but don't include ethernet FCS because hardware appends it
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		min_tx_space = (hw->max_frame_size +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		                sizeof(struct e1000_tx_desc) -
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		                ETH_FCS_LEN) * 2;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		min_tx_space = ALIGN(min_tx_space, 1024);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		min_tx_space >>= 10;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		/* software strips receive CRC, so leave room for it */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		min_rx_space = hw->max_frame_size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		min_rx_space = ALIGN(min_rx_space, 1024);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		min_rx_space >>= 10;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		/* If current Tx allocation is less than the min Tx FIFO size,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		 * and the min Tx FIFO size is less than the current Rx FIFO
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		 * allocation, take space away from current Rx allocation */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		if (tx_space < min_tx_space &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		    ((min_tx_space - tx_space) < pba)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			pba = pba - (min_tx_space - tx_space);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
			/* PCI/PCIx hardware has PBA alignment constraints */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
			switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
			case e1000_82545 ... e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
				pba &= ~(E1000_PBA_8K - 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
			default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			/* if short on rx space, rx wins and must trump tx
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			 * adjustment or use Early Receive if available */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			if (pba < min_rx_space)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
				pba = min_rx_space;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	ew32(PBA, pba);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	 * flow control settings:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	 * The high water mark must be low enough to fit one full frame
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 * (or the size used for early receive) above it in the Rx FIFO.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 * Set it to the lower of:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 * - 90% of the Rx FIFO size, and
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	 * - the full Rx FIFO size minus the early receive size (for parts
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	 * - the full Rx FIFO size minus one full frame
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	hwm = min(((pba << 10) * 9 / 10),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		  ((pba << 10) - hw->max_frame_size));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	hw->fc_low_water = hw->fc_high_water - 8;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	hw->fc_send_xon = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	hw->fc = hw->original_fc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	/* Allow time for pending master requests to run */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	e1000_reset_hw(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	if (hw->mac_type >= e1000_82544)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		ew32(WUC, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	if (e1000_init_hw(hw))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		e_dev_err("Hardware Error\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	if (hw->mac_type >= e1000_82544 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	    hw->autoneg == 1 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		u32 ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		/* clear phy power management bit if we are in gig only mode,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		 * which if enabled will attempt negotiation to 100Mb, which
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		 * can cause a loss of link at power off or driver unload */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		ctrl &= ~E1000_CTRL_SWDPIN3;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	e1000_reset_adaptive(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	e1000_phy_get_info(hw, &adapter->phy_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	e1000_release_manageability(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
 *  Dump the eeprom for users having checksum issues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	struct ethtool_eeprom eeprom;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	const struct ethtool_ops *ops = netdev->ethtool_ops;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	u8 *data;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	u16 csum_old, csum_new = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	eeprom.len = ops->get_eeprom_len(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	eeprom.offset = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	data = kmalloc(eeprom.len, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	if (!data)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	ops->get_eeprom(netdev, &eeprom, data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		csum_new += data[i] + (data[i + 1] << 8);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	csum_new = EEPROM_SUM - csum_new;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	pr_err("/*********************/\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	pr_err("Calculated              : 0x%04x\n", csum_new);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	pr_err("Offset    Values\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	pr_err("========  ======\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	pr_err("Include this output when contacting your support provider.\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	pr_err("This is not a software error! Something bad happened to\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	pr_err("result in further problems, possibly loss of data,\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	pr_err("corruption or system hangs!\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	pr_err("which is invalid and requires you to set the proper MAC\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	pr_err("address manually before continuing to enable this network\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	pr_err("device. Please inspect the EEPROM dump and report the\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	pr_err("/*********************/\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	kfree(data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
 * @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
 * Return true if an adapter needs ioport resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
static int e1000_is_need_ioport(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	switch (pdev->device) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	case E1000_DEV_ID_82540EM:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	case E1000_DEV_ID_82540EM_LOM:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	case E1000_DEV_ID_82540EP:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	case E1000_DEV_ID_82540EP_LOM:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	case E1000_DEV_ID_82540EP_LP:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	case E1000_DEV_ID_82541EI:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	case E1000_DEV_ID_82541EI_MOBILE:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	case E1000_DEV_ID_82541ER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	case E1000_DEV_ID_82541ER_LOM:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	case E1000_DEV_ID_82541GI:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	case E1000_DEV_ID_82541GI_LF:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	case E1000_DEV_ID_82541GI_MOBILE:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	case E1000_DEV_ID_82544EI_COPPER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	case E1000_DEV_ID_82544EI_FIBER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	case E1000_DEV_ID_82544GC_COPPER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	case E1000_DEV_ID_82544GC_LOM:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	case E1000_DEV_ID_82545EM_COPPER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	case E1000_DEV_ID_82545EM_FIBER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	case E1000_DEV_ID_82546EB_COPPER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	case E1000_DEV_ID_82546EB_FIBER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		return true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		return false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
static netdev_features_t e1000_fix_features(struct net_device *netdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	netdev_features_t features)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	 * Since there is no support for separate rx/tx vlan accel
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	 * enable/disable make sure tx flag is always in same state as rx.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	if (features & NETIF_F_HW_VLAN_RX)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		features |= NETIF_F_HW_VLAN_TX;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
		features &= ~NETIF_F_HW_VLAN_TX;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	return features;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
static int e1000_set_features(struct net_device *netdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	netdev_features_t features)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	netdev_features_t changed = features ^ netdev->features;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	if (changed & NETIF_F_HW_VLAN_RX)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		e1000_vlan_mode(netdev, features);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	if (!(changed & NETIF_F_RXCSUM))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	adapter->rx_csum = !!(features & NETIF_F_RXCSUM);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		e1000_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
static const struct net_device_ops e1000_netdev_ops = {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	.ndo_open		= e1000_open,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	.ndo_stop		= e1000_close,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	.ndo_start_xmit		= e1000_xmit_frame,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	.ndo_get_stats		= e1000_get_stats,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	.ndo_set_rx_mode	= e1000_set_rx_mode,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	.ndo_set_mac_address	= e1000_set_mac,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	.ndo_tx_timeout		= e1000_tx_timeout,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	.ndo_change_mtu		= e1000_change_mtu,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	.ndo_do_ioctl		= e1000_ioctl,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	.ndo_validate_addr	= eth_validate_addr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
#ifdef CONFIG_NET_POLL_CONTROLLER
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	.ndo_poll_controller	= e1000_netpoll,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
#endif
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	.ndo_fix_features	= e1000_fix_features,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	.ndo_set_features	= e1000_set_features,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
};
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
 * e1000_init_hw_struct - initialize members of hw struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
 * @adapter: board private struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
 * @hw: structure used by e1000_hw.c
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
 * Factors out initialization of the e1000_hw struct to its own function
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
 * that can be called very early at init (just after struct allocation).
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
 * Fields are initialized based on PCI device information and
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
 * OS network device settings (MTU size).
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
 * Returns negative error codes if MAC type setup fails.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
				struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	/* PCI config space info */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	hw->vendor_id = pdev->vendor;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	hw->device_id = pdev->device;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	hw->subsystem_id = pdev->subsystem_device;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	hw->revision_id = pdev->revision;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	hw->max_frame_size = adapter->netdev->mtu +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	/* identify the MAC */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	if (e1000_set_mac_type(hw)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		e_err(probe, "Unknown MAC Type\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
		return -EIO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
		hw->phy_init_script = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	e1000_set_media_type(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	e1000_get_bus_info(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	hw->wait_autoneg_complete = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	hw->tbi_compatibility_en = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	hw->adaptive_ifs = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	/* Copper options */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	if (hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		hw->mdix = AUTO_ALL_MODES;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		hw->disable_polarity_correction = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		hw->master_slave = E1000_MASTER_SLAVE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 * e1000_probe - Device Initialization Routine
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 * @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 * @ent: entry in e1000_pci_tbl
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
 * Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
 * e1000_probe initializes an adapter identified by a pci_dev structure.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
 * The OS initialization, configuring of the adapter private structure,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
 * and a hardware reset occur.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
static int __devinit e1000_probe(struct pci_dev *pdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
				 const struct pci_device_id *ent)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	struct net_device *netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	struct e1000_adapter *adapter;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	struct e1000_hw *hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	static int cards_found = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	int i, err, pci_using_dac;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	u16 eeprom_data = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	u16 tmp = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	int bars, need_ioport;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	/* do not allocate ioport bars when not needed */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	need_ioport = e1000_is_need_ioport(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	if (need_ioport) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		err = pci_enable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		goto err_pci_reg;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	err = pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		goto err_alloc_etherdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	err = -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	if (!netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		goto err_alloc_etherdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	SET_NETDEV_DEV(netdev, &pdev->dev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	pci_set_drvdata(pdev, netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	adapter->netdev = netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	adapter->pdev = pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	adapter->bars = bars;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	adapter->need_ioport = need_ioport;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	hw->back = adapter;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	if (!hw->hw_addr)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		goto err_ioremap;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	if (adapter->need_ioport) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		for (i = BAR_1; i <= BAR_5; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
			if (pci_resource_len(pdev, i) == 0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
				continue;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
				hw->io_base = pci_resource_start(pdev, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	/* make ready for any if (hw->...) below */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	err = e1000_init_hw_struct(adapter, hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		goto err_sw_init;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	 * there is a workaround being applied below that limits
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	pci_using_dac = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	if ((hw->bus_type == e1000_bus_type_pcix) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		 * according to DMA-API-HOWTO, coherent calls will always
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		 * succeed if the set call did
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		pci_using_dac = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			pr_err("No usable DMA config, aborting\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
			goto err_dma;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	netdev->netdev_ops = &e1000_netdev_ops;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	e1000_set_ethtool_ops(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	netdev->watchdog_timeo = 5 * HZ;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	adapter->bd_number = cards_found;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	/* setup the private structure */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	err = e1000_sw_init(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		goto err_sw_init;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	err = -EIO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	if (hw->mac_type == e1000_ce4100) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		hw->ce4100_gbe_mdio_base_virt =
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
					ioremap(pci_resource_start(pdev, BAR_1),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		                                pci_resource_len(pdev, BAR_1));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		if (!hw->ce4100_gbe_mdio_base_virt)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
			goto err_mdio_ioremap;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	if (hw->mac_type >= e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		netdev->hw_features = NETIF_F_SG |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
				   NETIF_F_HW_CSUM |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
				   NETIF_F_HW_VLAN_RX;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		netdev->features = NETIF_F_HW_VLAN_TX |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
				   NETIF_F_HW_VLAN_FILTER;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	if ((hw->mac_type >= e1000_82544) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	   (hw->mac_type != e1000_82547))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		netdev->hw_features |= NETIF_F_TSO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	netdev->priv_flags |= IFF_SUPP_NOFCS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	netdev->features |= netdev->hw_features;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	netdev->hw_features |= NETIF_F_RXCSUM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	netdev->hw_features |= NETIF_F_RXFCS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	if (pci_using_dac) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		netdev->features |= NETIF_F_HIGHDMA;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		netdev->vlan_features |= NETIF_F_HIGHDMA;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	netdev->vlan_features |= NETIF_F_TSO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	netdev->vlan_features |= NETIF_F_HW_CSUM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	netdev->vlan_features |= NETIF_F_SG;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	netdev->priv_flags |= IFF_UNICAST_FLT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	/* initialize eeprom parameters */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	if (e1000_init_eeprom_params(hw)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		e_err(probe, "EEPROM initialization failed\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		goto err_eeprom;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	/* before reading the EEPROM, reset the controller to
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	 * put the device in a known good starting state */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	e1000_reset_hw(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	/* make sure the EEPROM is good */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	if (e1000_validate_eeprom_checksum(hw) < 0) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		e1000_dump_eeprom(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		 * set MAC address to all zeroes to invalidate and temporary
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		 * disable this device for the user. This blocks regular
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		 * traffic while still permitting ethtool ioctls from reaching
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		 * the hardware as well as allowing the user to run the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		 * interface after manually setting a hw addr using
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		 * `ip set address`
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		memset(hw->mac_addr, 0, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		/* copy the MAC address out of the EEPROM */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		if (e1000_read_mac_addr(hw))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			e_err(probe, "EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	/* don't block initalization here due to bad MAC address */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	if (!is_valid_ether_addr(netdev->perm_addr))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		e_err(probe, "Invalid MAC Address\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	INIT_DELAYED_WORK(&adapter->watchdog_task, e1000_watchdog);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	INIT_DELAYED_WORK(&adapter->fifo_stall_task,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			  e1000_82547_tx_fifo_stall_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	INIT_DELAYED_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	e1000_check_options(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	/* Initial Wake on LAN setting
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	 * If APM wake is enabled in the EEPROM,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	 * enable the ACPI Magic Packet filter
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		e1000_read_eeprom(hw,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			e1000_read_eeprom(hw,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		/* Fall Through */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		e1000_read_eeprom(hw,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	if (eeprom_data & eeprom_apme_mask)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		adapter->eeprom_wol |= E1000_WUFC_MAG;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	/* now that we have the eeprom settings, apply the special cases
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	 * where the eeprom may be wrong or the board simply won't support
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	 * wake on lan on a particular port */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	switch (pdev->device) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	case E1000_DEV_ID_82546GB_PCIE:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		adapter->eeprom_wol = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	case E1000_DEV_ID_82546EB_FIBER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	case E1000_DEV_ID_82546GB_FIBER:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		/* Wake events only supported on port A for dual fiber
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		 * regardless of eeprom setting */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			adapter->eeprom_wol = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		/* if quad port adapter, disable WoL on all but port A */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		if (global_quad_port_a != 0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
			adapter->eeprom_wol = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
			adapter->quad_port_a = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		/* Reset for multiple quad port adapters */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		if (++global_quad_port_a == 4)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			global_quad_port_a = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	/* initialize the wol settings based on the eeprom settings */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	adapter->wol = adapter->eeprom_wol;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	/* Auto detect PHY address */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	if (hw->mac_type == e1000_ce4100) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		for (i = 0; i < 32; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			hw->phy_addr = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
			if (tmp == 0 || tmp == 0xFF) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
				if (i == 31)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
					goto err_eeprom;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
				continue;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
			} else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	/* reset the hardware with the new settings */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 	// offer device to EtherCAT master module
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		err = ecdev_open(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
		if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
			ecdev_withdraw(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
			goto err_register;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		strcpy(netdev->name, "eth%d");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		err = register_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
			goto err_register;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	e1000_vlan_filter_on_off(adapter, false);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	/* print bus type/speed/width info */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	       netdev->dev_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		/* carrier off reporting is important to ethtool even BEFORE open */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	cards_found++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
err_register:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
err_eeprom:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	e1000_phy_hw_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	if (hw->flash_address)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
		iounmap(hw->flash_address);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
err_dma:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
err_sw_init:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
err_mdio_ioremap:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	iounmap(hw->ce4100_gbe_mdio_base_virt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	iounmap(hw->hw_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
err_ioremap:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	free_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
err_alloc_etherdev:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	pci_release_selected_regions(pdev, bars);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
err_pci_reg:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * e1000_remove - Device Removal Routine
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 * @pdev: PCI device information struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
 * e1000_remove is called by the PCI subsystem to alert the driver
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
 * that it should release a PCI device.  The could be caused by a
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
 * Hot-Plug event, or because the driver is going to be removed from
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
 * memory.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
static void __devexit e1000_remove(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	e1000_down_and_stop(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	e1000_release_manageability(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		ecdev_close(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		ecdev_withdraw(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		unregister_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	e1000_phy_hw_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	kfree(adapter->rx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	if (hw->mac_type == e1000_ce4100)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		iounmap(hw->ce4100_gbe_mdio_base_virt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	iounmap(hw->hw_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	if (hw->flash_address)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
		iounmap(hw->flash_address);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	pci_release_selected_regions(pdev, adapter->bars);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	free_netdev(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
 * @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
 * e1000_sw_init initializes the Adapter private data structure.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
 * e1000_init_hw_struct MUST be called before this function
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	adapter->num_tx_queues = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	adapter->num_rx_queues = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	if (e1000_alloc_queues(adapter)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		e_err(probe, "Unable to allocate memory for queues\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	/* Explicitly disable IRQ since the NIC can be in any state. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	spin_lock_init(&adapter->stats_lock);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	mutex_init(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	set_bit(__E1000_DOWN, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
 * e1000_alloc_queues - Allocate memory for all rings
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 * @adapter: board private structure to initialize
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
 * We allocate one ring per queue at run-time since we don't know the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 * number of queues at compile-time.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	if (!adapter->tx_ring)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	if (!adapter->rx_ring) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		kfree(adapter->tx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
 * e1000_open - Called when a network interface is made active
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
 * Returns 0 on success, negative value on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
 * The open entry point is called when a network interface is made
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
 * active by the system (IFF_UP).  At this point all resources needed
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
 * for transmit and receive operations are allocated, the interrupt
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
 * handler is registered with the OS, the watchdog task is started,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 * and the stack is notified that the interface is ready.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
static int e1000_open(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	int err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	/* disallow open during test */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	if (test_bit(__E1000_TESTING, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	/* allocate transmit descriptors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	err = e1000_setup_all_tx_resources(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		goto err_setup_tx;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	/* allocate receive descriptors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	err = e1000_setup_all_rx_resources(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
		goto err_setup_rx;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	e1000_power_up_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	if ((hw->mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
		e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	/* before we allocate an interrupt, we must be ready to handle it.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	 * as soon as we call pci_request_irq, so we have to setup our
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	 * clean_rx handler before we do so.  */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	e1000_configure(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	err = e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		goto err_req_irq;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	/* From here on the code is the same as e1000_up() */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	clear_bit(__E1000_DOWN, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		napi_enable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		netif_start_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	/* fire a link status change interrupt to start the watchdog */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	ew32(ICS, E1000_ICS_LSC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
err_req_irq:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	e1000_free_all_rx_resources(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
err_setup_rx:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	e1000_free_all_tx_resources(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
err_setup_tx:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
 * e1000_close - Disables a network interface
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 * Returns 0, this is not allowed to fail
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 * The close entry point is called when an interface is de-activated
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 * by the OS.  The hardware is still under the drivers control, but
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * needs to be disabled.  A global MAC reset is issued to stop the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 * hardware, and all transmit and receive resources are freed.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
static int e1000_close(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	e1000_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	e1000_power_down_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	e1000_free_all_tx_resources(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	e1000_free_all_rx_resources(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	/* kill manageability vlan ID if supported, but not if a vlan with
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	 * the same ID is registered on the host OS (let 8021q kill it) */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	if ((hw->mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	     !test_bit(adapter->mng_vlan_id, adapter->active_vlans)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 * @start: address of beginning of memory
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 * @len: length of memory
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
				  unsigned long len)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	unsigned long begin = (unsigned long)start;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	unsigned long end = begin + len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	/* First rev 82545 and 82546 need to not allow any memory
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	 * write location to cross 64k boundary due to errata 23 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	if (hw->mac_type == e1000_82545 ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	    hw->mac_type == e1000_ce4100 ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	    hw->mac_type == e1000_82546) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	return true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
 * @txdr:    tx descriptor ring (for a specific queue) to setup
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
 * Return 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
				    struct e1000_tx_ring *txdr)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	int size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	size = sizeof(struct e1000_buffer) * txdr->count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	txdr->buffer_info = vzalloc(size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	if (!txdr->buffer_info) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		      "ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	/* round up to nearest 4K */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	txdr->size = ALIGN(txdr->size, 4096);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
					GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	if (!txdr->desc) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
setup_tx_desc_die:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		vfree(txdr->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		      "ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	/* Fix for errata 23, can't cross 64kB boundary */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		void *olddesc = txdr->desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		dma_addr_t olddma = txdr->dma;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		      txdr->size, txdr->desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		/* Try again, without freeing the previous */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
						&txdr->dma, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		/* Failed allocation, critical failure */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		if (!txdr->desc) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
					  olddma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
			goto setup_tx_desc_die;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
			/* give up */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
					  txdr->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
					  olddma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
			e_err(probe, "Unable to allocate aligned memory "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
			      "for the transmit descriptor ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
			vfree(txdr->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
			return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
			/* Free old allocation, new allocation was successful */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
					  olddma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	memset(txdr->desc, 0, txdr->size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	txdr->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	txdr->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 * 				  (Descriptors) for all queues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
 * Return 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	int i, err = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	for (i = 0; i < adapter->num_tx_queues; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
			for (i-- ; i >= 0; i--)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
				e1000_free_tx_resources(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
							&adapter->tx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
 * Configure the Tx unit of the MAC after a reset.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
static void e1000_configure_tx(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	u64 tdba;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	u32 tdlen, tctl, tipg;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	u32 ipgr1, ipgr2;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	/* Setup the HW Tx Head and Tail descriptor pointers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	switch (adapter->num_tx_queues) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	case 1:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		tdba = adapter->tx_ring[0].dma;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		tdlen = adapter->tx_ring[0].count *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
			sizeof(struct e1000_tx_desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		ew32(TDLEN, tdlen);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		ew32(TDBAH, (tdba >> 32));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		ew32(TDT, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		ew32(TDH, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	/* Set the default values for the Tx Inter Packet Gap timer */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	if ((hw->media_type == e1000_media_type_fiber ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	     hw->media_type == e1000_media_type_internal_serdes))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		tipg = DEFAULT_82542_TIPG_IPGT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	ew32(TIPG, tipg);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	/* Set the Tx Interrupt Delay register */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	ew32(TIDV, adapter->tx_int_delay);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	if (hw->mac_type >= e1000_82540)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		ew32(TADV, adapter->tx_abs_int_delay);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	/* Program the Transmit Control Register */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	tctl &= ~E1000_TCTL_CT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	/* Setup Transmit Descriptor Settings for eop descriptor */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	/* only set IDE if we are delaying interrupts using the timers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	if (adapter->tx_int_delay)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	if (hw->mac_type < e1000_82543)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	/* Cache if we're 82544 running in PCI-X because we'll
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	 * need this to apply a workaround later in the send path. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	if (hw->mac_type == e1000_82544 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	    hw->bus_type == e1000_bus_type_pcix)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		adapter->pcix_82544 = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
 * Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
				    struct e1000_rx_ring *rxdr)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	int size, desc_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	size = sizeof(struct e1000_buffer) * rxdr->count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	rxdr->buffer_info = vzalloc(size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	if (!rxdr->buffer_info) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		      "ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	desc_len = sizeof(struct e1000_rx_desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	/* Round up to nearest 4K */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	rxdr->size = rxdr->count * desc_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	rxdr->size = ALIGN(rxdr->size, 4096);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
					GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	if (!rxdr->desc) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		      "ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
setup_rx_desc_die:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		vfree(rxdr->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		return -ENOMEM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	/* Fix for errata 23, can't cross 64kB boundary */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		void *olddesc = rxdr->desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		dma_addr_t olddma = rxdr->dma;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		      rxdr->size, rxdr->desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		/* Try again, without freeing the previous */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
						&rxdr->dma, GFP_KERNEL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		/* Failed allocation, critical failure */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		if (!rxdr->desc) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
					  olddma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
			e_err(probe, "Unable to allocate memory for the Rx "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
			      "descriptor ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
			goto setup_rx_desc_die;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
			/* give up */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
					  rxdr->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
					  olddma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
			e_err(probe, "Unable to allocate aligned memory for "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
			      "the Rx descriptor ring\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
			goto setup_rx_desc_die;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
			/* Free old allocation, new allocation was successful */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
					  olddma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	memset(rxdr->desc, 0, rxdr->size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	rxdr->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	rxdr->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	rxdr->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
 * 				  (Descriptors) for all queues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
 * Return 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	int i, err = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	for (i = 0; i < adapter->num_rx_queues; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			for (i-- ; i >= 0; i--)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
				e1000_free_rx_resources(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
							&adapter->rx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
 * e1000_setup_rctl - configure the receive control registers
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
 * @adapter: Board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
static void e1000_setup_rctl(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	rctl |= E1000_RCTL_BAM | E1000_RCTL_LBM_NO |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		E1000_RCTL_RDMTS_HALF |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	if (hw->tbi_compatibility_on == 1)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		rctl |= E1000_RCTL_SBP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		rctl &= ~E1000_RCTL_SBP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		rctl &= ~E1000_RCTL_LPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		rctl |= E1000_RCTL_LPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	/* Setup buffer sizes */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	rctl &= ~E1000_RCTL_SZ_4096;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	rctl |= E1000_RCTL_BSEX;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	switch (adapter->rx_buffer_len) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		case E1000_RXBUFFER_2048:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			rctl |= E1000_RCTL_SZ_2048;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			rctl &= ~E1000_RCTL_BSEX;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		case E1000_RXBUFFER_4096:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			rctl |= E1000_RCTL_SZ_4096;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		case E1000_RXBUFFER_8192:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
			rctl |= E1000_RCTL_SZ_8192;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		case E1000_RXBUFFER_16384:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
			rctl |= E1000_RCTL_SZ_16384;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 * Configure the Rx unit of the MAC after a reset.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
static void e1000_configure_rx(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	u64 rdba;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	u32 rdlen, rctl, rxcsum;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		rdlen = adapter->rx_ring[0].count *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
		        sizeof(struct e1000_rx_desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		rdlen = adapter->rx_ring[0].count *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		        sizeof(struct e1000_rx_desc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		adapter->clean_rx = e1000_clean_rx_irq;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	/* disable receives while setting up the descriptors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	/* set the Receive Delay Timer Register */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	ew32(RDTR, adapter->rx_int_delay);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	if (hw->mac_type >= e1000_82540) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		ew32(RADV, adapter->rx_abs_int_delay);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		if (adapter->itr_setting != 0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
			ew32(ITR, 1000000000 / (adapter->itr * 256));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	 * the Base and Length of the Rx Descriptor Ring */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	switch (adapter->num_rx_queues) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	case 1:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		rdba = adapter->rx_ring[0].dma;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		ew32(RDLEN, rdlen);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		ew32(RDBAH, (rdba >> 32));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		ew32(RDT, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		ew32(RDH, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	if (hw->mac_type >= e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		rxcsum = er32(RXCSUM);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		if (adapter->rx_csum)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
			rxcsum |= E1000_RXCSUM_TUOFL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
			/* don't need to clear IPPCSE as it defaults to 0 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
			rxcsum &= ~E1000_RXCSUM_TUOFL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		ew32(RXCSUM, rxcsum);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	/* Enable Receives */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	ew32(RCTL, rctl | E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
 * e1000_free_tx_resources - Free Tx Resources per Queue
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
 * @tx_ring: Tx descriptor ring for a specific queue
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
 * Free all transmit software resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
				    struct e1000_tx_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	e1000_clean_tx_ring(adapter, tx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	vfree(tx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	tx_ring->buffer_info = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			  tx_ring->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	tx_ring->desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
 * Free all transmit software resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	for (i = 0; i < adapter->num_tx_queues; i++)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
					     struct e1000_buffer *buffer_info)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	if (buffer_info->dma) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		if (buffer_info->mapped_as_page)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
				       buffer_info->length, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
					 buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
					 DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		dev_kfree_skb_any(buffer_info->skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	buffer_info->time_stamp = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	/* buffer_info must be completely set up in the transmit path */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 * e1000_clean_tx_ring - Free Tx Buffers
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
 * @tx_ring: ring to be cleaned
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
				struct e1000_tx_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	unsigned long size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	/* Free all the Tx ring sk_buffs */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	for (i = 0; i < tx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	size = sizeof(struct e1000_buffer) * tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	memset(tx_ring->buffer_info, 0, size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	/* Zero out the descriptor ring */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	memset(tx_ring->desc, 0, tx_ring->size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	tx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	tx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	tx_ring->last_tx_tso = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	writel(0, hw->hw_addr + tx_ring->tdh);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	writel(0, hw->hw_addr + tx_ring->tdt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	for (i = 0; i < adapter->num_tx_queues; i++)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
 * e1000_free_rx_resources - Free Rx Resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
 * @rx_ring: ring to clean the resources from
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
 * Free all receive software resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
				    struct e1000_rx_ring *rx_ring)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	e1000_clean_rx_ring(adapter, rx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	vfree(rx_ring->buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	rx_ring->buffer_info = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			  rx_ring->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	rx_ring->desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
 * Free all receive software resources
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	for (i = 0; i < adapter->num_rx_queues; i++)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 * @rx_ring: ring to free buffers from
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
				struct e1000_rx_ring *rx_ring)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	unsigned long size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	/* Free all the Rx ring sk_buffs */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	for (i = 0; i < rx_ring->count; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
		buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
		if (buffer_info->dma &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		    adapter->clean_rx == e1000_clean_rx_irq) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
			dma_unmap_single(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
			                 buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
					 DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
		} else if (buffer_info->dma &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
			dma_unmap_page(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
				       buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
				       DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
		buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
		if (buffer_info->page) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
			put_page(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
			buffer_info->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
		if (buffer_info->skb) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			dev_kfree_skb(buffer_info->skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	/* there also may be some cached data from a chained receive */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	if (rx_ring->rx_skb_top) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
		dev_kfree_skb(rx_ring->rx_skb_top);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
		rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	size = sizeof(struct e1000_buffer) * rx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	memset(rx_ring->buffer_info, 0, size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	/* Zero out the descriptor ring */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	memset(rx_ring->desc, 0, rx_ring->size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	rx_ring->next_to_clean = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	rx_ring->next_to_use = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	writel(0, hw->hw_addr + rx_ring->rdh);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	writel(0, hw->hw_addr + rx_ring->rdt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	for (i = 0; i < adapter->num_rx_queues; i++)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
 * and memory write and invalidate disabled for certain operations
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	e1000_pci_clear_mwi(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	rctl |= E1000_RCTL_RST;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	mdelay(5);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	if (!adapter->ecdev && netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
		e1000_clean_all_rx_rings(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	rctl &= ~E1000_RCTL_RST;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	mdelay(5);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		e1000_pci_set_mwi(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	if (!adapter->netdev && netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
		/* No need to loop, because 82542 supports only 1 queue */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		e1000_configure_rx(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
			/* fill rx ring completely! */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
			adapter->alloc_rx_buf(adapter, ring, ring->count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
			/* this one leaves the last ring element unallocated! */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
 * e1000_set_mac - Change the Ethernet Address of the NIC
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
 * @p: pointer to an address structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
 * Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
static int e1000_set_mac(struct net_device *netdev, void *p)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	struct sockaddr *addr = p;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	if (!is_valid_ether_addr(addr->sa_data))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		return -EADDRNOTAVAIL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	/* 82542 2.0 needs to be in reset to write receive address registers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	if (hw->mac_type == e1000_82542_rev2_0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		e1000_enter_82542_rst(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	e1000_rar_set(hw, hw->mac_addr, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	if (hw->mac_type == e1000_82542_rev2_0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
		e1000_leave_82542_rst(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
 * The set_rx_mode entry point is called whenever the unicast or multicast
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
 * address lists or the network interface flags are updated. This routine is
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
 * responsible for configuring the hardware for proper unicast, multicast,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
 * promiscuous mode, and all-multi behavior.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
static void e1000_set_rx_mode(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	struct netdev_hw_addr *ha;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	bool use_uc = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	u32 hash_value;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	int i, rar_entries = E1000_RAR_ENTRIES;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	if (!mcarray) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
		e_err(probe, "memory allocation failed\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	/* Check for Promiscuous and All Multicast modes */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	if (netdev->flags & IFF_PROMISC) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		rctl &= ~E1000_RCTL_VFE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		if (netdev->flags & IFF_ALLMULTI)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			rctl |= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			rctl &= ~E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		/* Enable VLAN filter if there is a VLAN */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		if (e1000_vlan_used(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			rctl |= E1000_RCTL_VFE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	if (netdev_uc_count(netdev) > rar_entries - 1) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		rctl |= E1000_RCTL_UPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	} else if (!(netdev->flags & IFF_PROMISC)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		rctl &= ~E1000_RCTL_UPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		use_uc = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	/* 82542 2.0 needs to be in reset to write receive address registers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	if (hw->mac_type == e1000_82542_rev2_0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		e1000_enter_82542_rst(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	/* load the first 14 addresses into the exact filters 1-14. Unicast
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	 * addresses take precedence to avoid disabling unicast filtering
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	 * when possible.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	 * RAR 0 is used for the station MAC address
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	 * if there are not 14 addresses, go ahead and clear the filters
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	i = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	if (use_uc)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		netdev_for_each_uc_addr(ha, netdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
			if (i == rar_entries)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
			e1000_rar_set(hw, ha->addr, i++);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	netdev_for_each_mc_addr(ha, netdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		if (i == rar_entries) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
			/* load any remaining addresses into the hash table */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
			u32 hash_reg, hash_bit, mta;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
			hash_reg = (hash_value >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
			hash_bit = hash_value & 0x1F;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
			mta = (1 << hash_bit);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
			mcarray[hash_reg] |= mta;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			e1000_rar_set(hw, ha->addr, i++);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	for (; i < rar_entries; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	/* write the hash table completely, write from bottom to avoid
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	 * both stupid write combining chipsets, and flushing each write */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		 * If we are on an 82544 has an errata where writing odd
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		 * offsets overwrites the previous even offset, but writing
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		 * backwards over the range solves the issue by always
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
		 * writing the odd offset first
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	if (hw->mac_type == e1000_82542_rev2_0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		e1000_leave_82542_rst(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	kfree(mcarray);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
 * e1000_update_phy_info_task - get phy info
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
 * @work: work struct contained inside adapter struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
 * Need to wait a few seconds after link up to get diagnostic information from
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
 * the phy
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
static void e1000_update_phy_info_task(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
						     struct e1000_adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
						     phy_info_task.work);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	if (test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	mutex_lock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	mutex_unlock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
 * e1000_82547_tx_fifo_stall_task - task to complete work
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
 * @work: work struct contained inside adapter struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
						     struct e1000_adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
						     fifo_stall_task.work);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	u32 tctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	if (test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	mutex_lock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	if (atomic_read(&adapter->tx_fifo_stall)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		if ((er32(TDT) == er32(TDH)) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		   (er32(TDFT) == er32(TDFH)) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		   (er32(TDFTS) == er32(TDFHS))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
			ew32(TDFT, adapter->tx_head_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			ew32(TDFH, adapter->tx_head_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			ew32(TDFTS, adapter->tx_head_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
			ew32(TDFHS, adapter->tx_head_addr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
			ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
			E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
			adapter->tx_fifo_head = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
			atomic_set(&adapter->tx_fifo_stall, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
			netif_wake_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
			schedule_delayed_work(&adapter->fifo_stall_task, 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	mutex_unlock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
bool e1000_has_link(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	bool link_active = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	/* get_link_status is set on LSC (link status) interrupt or rx
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
	 * sequence error interrupt (except on intel ce4100).
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	 * get_link_status will stay false until the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	 * e1000_check_for_link establishes link for copper adapters
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	 * ONLY
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	switch (hw->media_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	case e1000_media_type_copper:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		if (hw->mac_type == e1000_ce4100)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			hw->get_link_status = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
		if (hw->get_link_status) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
			e1000_check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			link_active = !hw->get_link_status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			link_active = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	case e1000_media_type_fiber:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		e1000_check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	case e1000_media_type_internal_serdes:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		e1000_check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		link_active = hw->serdes_has_link;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	return link_active;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
 * e1000_watchdog - work function
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
 * @work: work struct contained inside adapter struct
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
static void e1000_watchdog(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	struct e1000_adapter *adapter = container_of(work,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
						     struct e1000_adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
						     watchdog_task.work);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	struct e1000_tx_ring *txdr = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	u32 link, tctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	if (test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	mutex_lock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	link = e1000_has_link(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		goto link_up;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	if (link) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			bool txb2b __attribute__ ((unused)) = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
			/* update snapshot of PHY registers on LSC */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			e1000_get_speed_and_duplex(hw,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			                           &adapter->link_speed,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			                           &adapter->link_duplex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			pr_info("%s NIC Link is Up %d Mbps %s, "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
				"Flow Control: %s\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
				netdev->name,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
				adapter->link_speed,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
				adapter->link_duplex == FULL_DUPLEX ?
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
				"Full Duplex" : "Half Duplex",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
				E1000_CTRL_TFCE) ? "TX" : "None")));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			/* adjust timeout factor according to speed/duplex */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
			adapter->tx_timeout_factor = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
			switch (adapter->link_speed) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
			case SPEED_10:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
				txb2b = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
				adapter->tx_timeout_factor = 16;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			case SPEED_100:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
				txb2b = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
				/* maybe add some timeout factor ? */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
			/* enable transmits in the hardware */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
			tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
			tctl |= E1000_TCTL_EN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
			ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
				ecdev_set_link(adapter->ecdev, 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
			else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
				netif_carrier_on(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
				if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
					schedule_delayed_work(&adapter->phy_info_task,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
							2 * HZ);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
			adapter->smartspeed = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			adapter->link_speed = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			adapter->link_duplex = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			pr_info("%s NIC Link is Down\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
				netdev->name);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
			if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
				ecdev_set_link(adapter->ecdev, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
				netif_carrier_off(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
				if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
					schedule_delayed_work(&adapter->phy_info_task,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
							2 * HZ);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		e1000_smartspeed(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
link_up:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	e1000_update_stats(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	adapter->tpt_old = adapter->stats.tpt;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
	adapter->colc_old = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	adapter->gorcl_old = adapter->stats.gorcl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	adapter->gotcl_old = adapter->stats.gotcl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	e1000_update_adaptive(hw);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
			/* We've lost link, so the controller stops DMA,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
			 * but we've got queued Tx work that's never going
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
			 * to get done, so reset controller to flush Tx.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
			 * (Do the reset outside of interrupt context). */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
			adapter->tx_timeout_count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
			/* exit immediately since reset is imminent */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
			goto unlock;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	/* Simple mode for Interrupt Throttle Rate (ITR) */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
		 * Total asymmetrical Tx or Rx gets ITR=8000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		 * everyone else is between 2000-8000.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		u32 dif = (adapter->gotcl > adapter->gorcl ?
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
			    adapter->gotcl - adapter->gorcl :
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
			    adapter->gorcl - adapter->gotcl) / 10000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
		ew32(ITR, 1000000000 / (itr * 256));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	/* Cause software interrupt to ensure rx ring is cleaned */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	ew32(ICS, E1000_ICS_RXDMT0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	/* Force detection of hung controller every watchdog period */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	adapter->detect_tx_hung = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	/* Reschedule the task */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		schedule_delayed_work(&adapter->watchdog_task, 2 * HZ);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
unlock:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	mutex_unlock(&adapter->mutex);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
enum latency_range {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	lowest_latency = 0,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
	low_latency = 1,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	bulk_latency = 2,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	latency_invalid = 255
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
};
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
 * e1000_update_itr - update the dynamic ITR value based on statistics
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
 * @adapter: pointer to adapter
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
 * @itr_setting: current adapter->itr
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
 * @packets: the number of packets during this measurement interval
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
 * @bytes: the number of bytes during this measurement interval
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 *      Stores a new ITR value based on packets and byte
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
 *      counts during the last interrupt.  The advantage of per interrupt
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
 *      computation is faster updates and more accurate ITR for the current
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
 *      traffic pattern.  Constants in this function were computed
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
 *      based on theoretical maximum wire speed and thresholds were set based
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
 *      on testing data as well as attempting to minimize response time
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
 *      while increasing bulk throughput.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
 *      this functionality is controlled by the InterruptThrottleRate module
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
 *      parameter (see e1000_param.c)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
				     u16 itr_setting, int packets, int bytes)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	unsigned int retval = itr_setting;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	if (unlikely(hw->mac_type < e1000_82540))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		goto update_itr_done;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	if (packets == 0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		goto update_itr_done;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	switch (itr_setting) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	case lowest_latency:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		/* jumbo frames get bulk treatment*/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		if (bytes/packets > 8000)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
			retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		else if ((packets < 5) && (bytes > 512))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
			retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	case low_latency:  /* 50 usec aka 20000 ints/s */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		if (bytes > 10000) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
			/* jumbo frames need bulk latency setting */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
			if (bytes/packets > 8000)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
				retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
			else if ((packets < 10) || ((bytes/packets) > 1200))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
				retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
			else if ((packets > 35))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
				retval = lowest_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		} else if (bytes/packets > 2000)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
			retval = bulk_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		else if (packets <= 2 && bytes < 512)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
			retval = lowest_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	case bulk_latency: /* 250 usec aka 4000 ints/s */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		if (bytes > 25000) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
			if (packets > 35)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
				retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		} else if (bytes < 6000) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
			retval = low_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
update_itr_done:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	return retval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
static void e1000_set_itr(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	u16 current_itr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	u32 new_itr = adapter->itr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
	if (unlikely(hw->mac_type < e1000_82540))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	if (unlikely(adapter->link_speed != SPEED_1000)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		current_itr = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		new_itr = 4000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		goto set_itr_now;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	adapter->tx_itr = e1000_update_itr(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	                            adapter->tx_itr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	                            adapter->total_tx_packets,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	                            adapter->total_tx_bytes);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		adapter->tx_itr = low_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	adapter->rx_itr = e1000_update_itr(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	                            adapter->rx_itr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	                            adapter->total_rx_packets,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	                            adapter->total_rx_bytes);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		adapter->rx_itr = low_latency;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	switch (current_itr) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	/* counts and packets in update_itr are dependent on these numbers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	case lowest_latency:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		new_itr = 70000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	case low_latency:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		new_itr = 20000; /* aka hwitr = ~200 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	case bulk_latency:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		new_itr = 4000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
set_itr_now:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	if (new_itr != adapter->itr) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		/* this attempts to bias the interrupt rate towards Bulk
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		 * by adding intermediate steps when interrupt rate is
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		 * increasing */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		new_itr = new_itr > adapter->itr ?
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		             min(adapter->itr + (new_itr >> 2), new_itr) :
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		             new_itr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		adapter->itr = new_itr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		ew32(ITR, 1000000000 / (new_itr * 256));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
#define E1000_TX_FLAGS_CSUM		0x00000001
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
#define E1000_TX_FLAGS_VLAN		0x00000002
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
#define E1000_TX_FLAGS_TSO		0x00000004
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
#define E1000_TX_FLAGS_IPV4		0x00000008
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
#define E1000_TX_FLAGS_NO_FCS		0x00000010
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
#define E1000_TX_FLAGS_VLAN_SHIFT	16
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
static int e1000_tso(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	struct e1000_context_desc *context_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	u32 cmd_length = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	u16 ipcse = 0, tucse, mss;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	int err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	if (skb_is_gso(skb)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		if (skb_header_cloned(skb)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
			if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
				return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		mss = skb_shinfo(skb)->gso_size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		if (skb->protocol == htons(ETH_P_IP)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
			struct iphdr *iph = ip_hdr(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
			iph->tot_len = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
			iph->check = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
								 iph->daddr, 0,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
								 IPPROTO_TCP,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
								 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
			cmd_length = E1000_TXD_CMD_IP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
			ipcse = skb_transport_offset(skb) - 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
			ipv6_hdr(skb)->payload_len = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
			tcp_hdr(skb)->check =
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
						 &ipv6_hdr(skb)->daddr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
						 0, IPPROTO_TCP, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
			ipcse = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		ipcss = skb_network_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		tucss = skb_transport_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		tucse = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		context_desc->upper_setup.tcp_fields.tucss = tucss;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		context_desc->upper_setup.tcp_fields.tucso = tucso;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		if (++i == tx_ring->count) i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		return true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	return false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
static bool e1000_tx_csum(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	struct e1000_context_desc *context_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	u8 css;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	u32 cmd_len = E1000_TXD_CMD_DEXT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	if (skb->ip_summed != CHECKSUM_PARTIAL)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		return false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	switch (skb->protocol) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	case cpu_to_be16(ETH_P_IP):
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
			cmd_len |= E1000_TXD_CMD_TCP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	case cpu_to_be16(ETH_P_IPV6):
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		/* XXX not handling all IPV6 headers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
			cmd_len |= E1000_TXD_CMD_TCP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		if (unlikely(net_ratelimit()))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
			e_warn(drv, "checksum_partial proto=%x!\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
			       skb->protocol);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	css = skb_checksum_start_offset(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	context_desc->lower_setup.ip_config = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	context_desc->upper_setup.tcp_fields.tucss = css;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	context_desc->upper_setup.tcp_fields.tucso =
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		css + skb->csum_offset;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	context_desc->upper_setup.tcp_fields.tucse = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	context_desc->tcp_seg_setup.data = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	if (unlikely(++i == tx_ring->count)) i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	return true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
#define E1000_MAX_TXD_PWR	12
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
static int e1000_tx_map(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
			struct e1000_tx_ring *tx_ring,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
			struct sk_buff *skb, unsigned int first,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
			unsigned int max_per_txd, unsigned int nr_frags,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
			unsigned int mss)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	unsigned int len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	unsigned int offset = 0, size, count = 0, i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	unsigned int f, bytecount, segs;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	while (len) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		size = min(len, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		/* Workaround for Controller erratum --
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		 * descriptor for non-tso packet in a linear SKB that follows a
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		 * tso gets written back prematurely before the data is fully
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		 * DMA'd to the controller */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		if (!skb->data_len && tx_ring->last_tx_tso &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		    !skb_is_gso(skb)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
			tx_ring->last_tx_tso = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
			size -= 4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		/* Workaround for premature desc write-backs
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		 * in TSO mode.  Append 4-byte sentinel desc */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		if (unlikely(mss && !nr_frags && size == len && size > 8))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
			size -= 4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		/* work-around for errata 10 and it applies
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		 * to all controllers in PCI-X mode
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		 * The fix is to make sure that the first descriptor of a
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
		                (size > 2015) && count == 0))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
		        size = 2015;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
		 * terminating buffers within evenly-aligned dwords. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		if (unlikely(adapter->pcix_82544 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		   size > 4))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			size -= 4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		buffer_info->length = size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		/* set time_stamp *before* dma to help avoid a possible race */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		buffer_info->mapped_as_page = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		buffer_info->dma = dma_map_single(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
						  skb->data + offset,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
						  size,	DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
			goto dma_error;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		len -= size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		offset += size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		if (len) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			i++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
			if (unlikely(i == tx_ring->count))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
				i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	for (f = 0; f < nr_frags; f++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		const struct skb_frag_struct *frag;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		frag = &skb_shinfo(skb)->frags[f];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		len = skb_frag_size(frag);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		offset = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		while (len) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			unsigned long bufend;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
			i++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
			if (unlikely(i == tx_ring->count))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
				i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
			buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
			size = min(len, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			/* Workaround for premature desc write-backs
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
			 * in TSO mode.  Append 4-byte sentinel desc */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
				size -= 4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
			/* Workaround for potential 82544 hang in PCI-X.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
			 * Avoid terminating buffers within evenly-aligned
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
			 * dwords. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
			bufend = (unsigned long)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
				page_to_phys(skb_frag_page(frag));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
			bufend += offset + size - 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
			if (unlikely(adapter->pcix_82544 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
				     !(bufend & 4) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
				     size > 4))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
				size -= 4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
			buffer_info->length = size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			buffer_info->time_stamp = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
			buffer_info->mapped_as_page = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
						offset, size, DMA_TO_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
				goto dma_error;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			buffer_info->next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
			len -= size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
			offset += size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
			count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	segs = skb_shinfo(skb)->gso_segs ?: 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	/* multiply data chunks by size of headers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	tx_ring->buffer_info[i].skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	tx_ring->buffer_info[i].segs = segs;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	tx_ring->buffer_info[i].bytecount = bytecount;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	tx_ring->buffer_info[first].next_to_watch = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	return count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
dma_error:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	dev_err(&pdev->dev, "TX DMA map failed\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	if (count)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		count--;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	while (count--) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		if (i==0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
			i += tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		i--;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
static void e1000_tx_queue(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
			   struct e1000_tx_ring *tx_ring, int tx_flags,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
			   int count)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	struct e1000_tx_desc *tx_desc = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		             E1000_TXD_CMD_TSE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
		txd_lower |= E1000_TXD_CMD_VLE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	i = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	while (count--) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		tx_desc = E1000_TX_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		tx_desc->lower.data =
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
			cpu_to_le32(txd_lower | buffer_info->length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		tx_desc->upper.data = cpu_to_le32(txd_upper);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		if (unlikely(++i == tx_ring->count)) i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	 * know there are new descriptors to fetch.  (Only
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	 * applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	 * such as IA-64). */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	wmb();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	tx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	writel(i, hw->hw_addr + tx_ring->tdt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	/* we need this if more than one processor can write to our tail
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	 * at a time, it syncronizes IO on IA64/Altix systems */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	mmiowb();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
 * 82547 workaround to avoid controller hang in half-duplex environment.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
 * The workaround is to avoid queuing a large packet that would span
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
 * the internal Tx FIFO ring boundary by notifying the stack to resend
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
 * to the beginning of the Tx FIFO.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
#define E1000_FIFO_HDR			0x10
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
#define E1000_82547_PAD_LEN		0x3E0
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
				       struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	if (adapter->link_duplex != HALF_DUPLEX)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		goto no_fifo_stall_required;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	if (atomic_read(&adapter->tx_fifo_stall))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		return 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		atomic_set(&adapter->tx_fifo_stall, 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		return 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
no_fifo_stall_required:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	adapter->tx_fifo_head += skb_fifo_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	netif_stop_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	/* Herbert's original patch had:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	 *  smp_mb__after_netif_stop_queue();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	 * but since that doesn't exist yet, just open code it. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	smp_mb();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	/* We need to check again in a case another CPU has just
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	 * made room available. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	/* A reprieve! */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	netif_start_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	++adapter->restart_queue;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
static int e1000_maybe_stop_tx(struct net_device *netdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
                               struct e1000_tx_ring *tx_ring, int size)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	return __e1000_maybe_stop_tx(netdev, size);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
				    struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	struct e1000_tx_ring *tx_ring;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	unsigned int tx_flags = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	unsigned int len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	unsigned int nr_frags;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	unsigned int mss;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	int count = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	int tso;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	unsigned int f;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	/* This goes back to the question of how to logically map a tx queue
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	 * to a flow.  Right now, performance is impacted slightly negatively
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	 * if using multiple tx queues.  If the stack breaks away from a
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	 * single qdisc implementation, we can look at this again. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	if (unlikely(skb->len <= 0)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
			dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
		return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	mss = skb_shinfo(skb)->gso_size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	/* The controller does a simple calculation to
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	 * make sure there is enough room in the FIFO before
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	 * initiating the DMA for each buffer.  The calc is:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	 * 4 = ceil(buffer len/mss).  To make sure we don't
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	 * overrun the FIFO, adjust the max buffer len if mss
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	 * drops. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	if (mss) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		u8 hdr_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		max_per_txd = min(mss << 2, max_per_txd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		max_txd_pwr = fls(max_per_txd) - 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		if (skb->data_len && hdr_len == len) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
			switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
				unsigned int pull_size;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
			case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
				/* Make sure we have room to chop off 4 bytes,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
				 * and that the end alignment will work out to
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
				 * this hardware's requirements
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
				 * NOTE: this is a TSO only workaround
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
				 * if end byte alignment not correct move us
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
				 * into the next dword */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
					break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
				/* fall through */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
				pull_size = min((unsigned int)4, skb->data_len);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
				if (!__pskb_pull_tail(skb, pull_size)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
					e_err(drv, "__pskb_pull_tail "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
					      "failed.\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
					if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
						dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
					}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
					return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
				}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
				len = skb_headlen(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
			default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
				/* do nothing */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	/* reserve a descriptor for the offload context */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
		count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	/* Controller Erratum workaround */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
		count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	count += TXD_USE_COUNT(len, max_txd_pwr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	if (adapter->pcix_82544)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	/* work-around for errata 10 and it applies to all controllers
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	 * in PCI-X mode, so add one more descriptor to the count
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
			(len > 2015)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	nr_frags = skb_shinfo(skb)->nr_frags;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	for (f = 0; f < nr_frags; f++)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
				       max_txd_pwr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	if (adapter->pcix_82544)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		count += nr_frags;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	/* need: count + 2 desc gap to keep tail from touching
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	 * head, otherwise try next time */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		return NETDEV_TX_BUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	if (unlikely((hw->mac_type == e1000_82547) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
		     (e1000_82547_fifo_workaround(adapter, skb)))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
			netif_stop_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
			if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
				schedule_delayed_work(&adapter->fifo_stall_task, 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		return NETDEV_TX_BUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	if (vlan_tx_tag_present(skb)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		tx_flags |= E1000_TX_FLAGS_VLAN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	first = tx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	tso = e1000_tso(adapter, tx_ring, skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	if (tso < 0) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
			dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
		return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	if (likely(tso)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		if (likely(hw->mac_type != e1000_82544))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
			tx_ring->last_tx_tso = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
		tx_flags |= E1000_TX_FLAGS_TSO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		tx_flags |= E1000_TX_FLAGS_CSUM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	if (likely(skb->protocol == htons(ETH_P_IP)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		tx_flags |= E1000_TX_FLAGS_IPV4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	if (unlikely(skb->no_fcs))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	                     nr_frags, mss);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	if (count) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
			/* Make sure there is space in the ring for the next send. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
			dev_kfree_skb_any(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		tx_ring->buffer_info[first].time_stamp = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		tx_ring->next_to_use = first;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	return NETDEV_TX_OK;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
#define NUM_REGS 38 /* 1 based count */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
static void e1000_regdump(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	u32 regs[NUM_REGS];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	u32 *regs_buff = regs;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	int i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	static const char * const reg_name[] = {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		"CTRL",  "STATUS",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		"RCTL", "RDLEN", "RDH", "RDT", "RDTR",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		"TCTL", "TDBAL", "TDBAH", "TDLEN", "TDH", "TDT",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		"TIDV", "TXDCTL", "TADV", "TARC0",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
		"TDBAL1", "TDBAH1", "TDLEN1", "TDH1", "TDT1",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
		"TXDCTL1", "TARC1",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		"CTRL_EXT", "ERT", "RDBAL", "RDBAH",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		"TDFH", "TDFT", "TDFHS", "TDFTS", "TDFPC",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
		"RDFH", "RDFT", "RDFHS", "RDFTS", "RDFPC"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	};
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	regs_buff[0]  = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	regs_buff[1]  = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	regs_buff[2]  = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	regs_buff[3]  = er32(RDLEN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	regs_buff[4]  = er32(RDH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	regs_buff[5]  = er32(RDT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	regs_buff[6]  = er32(RDTR);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	regs_buff[7]  = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	regs_buff[8]  = er32(TDBAL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	regs_buff[9]  = er32(TDBAH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	regs_buff[10] = er32(TDLEN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	regs_buff[11] = er32(TDH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	regs_buff[12] = er32(TDT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	regs_buff[13] = er32(TIDV);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	regs_buff[14] = er32(TXDCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	regs_buff[15] = er32(TADV);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	regs_buff[16] = er32(TARC0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	regs_buff[17] = er32(TDBAL1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	regs_buff[18] = er32(TDBAH1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	regs_buff[19] = er32(TDLEN1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	regs_buff[20] = er32(TDH1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	regs_buff[21] = er32(TDT1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	regs_buff[22] = er32(TXDCTL1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	regs_buff[23] = er32(TARC1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	regs_buff[24] = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	regs_buff[25] = er32(ERT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	regs_buff[26] = er32(RDBAL0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	regs_buff[27] = er32(RDBAH0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	regs_buff[28] = er32(TDFH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	regs_buff[29] = er32(TDFT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	regs_buff[30] = er32(TDFHS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	regs_buff[31] = er32(TDFTS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	regs_buff[32] = er32(TDFPC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	regs_buff[33] = er32(RDFH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	regs_buff[34] = er32(RDFT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	regs_buff[35] = er32(RDFHS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	regs_buff[36] = er32(RDFTS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	regs_buff[37] = er32(RDFPC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	pr_info("Register dump\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	for (i = 0; i < NUM_REGS; i++)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		pr_info("%-15s  %08x\n", reg_name[i], regs_buff[i]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
 * e1000_dump: Print registers, tx ring and rx ring
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
static void e1000_dump(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	/* this code doesn't handle multiple rings */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	struct e1000_rx_ring *rx_ring = adapter->rx_ring;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	if (!netif_msg_hw(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	/* Print Registers */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	e1000_regdump(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	 * transmit dump
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	pr_info("TX Desc ring0 dump\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	 * Legacy Transmit Descriptor
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	 *   +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	 *   +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	 *   +--------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	 *   63       48 47        36 35    32 31     24 23    16 15        0
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	 *   63      48 47    40 39       32 31             16 15    8 7      0
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	 *   +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	 *   +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	 *   +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	 * Extended Data Descriptor (DTYP=0x1)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	 *   +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	 * 0 |                     Buffer Address [63:0]                      |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	 *   +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	 *   +----------------------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	if (!netif_msg_tx_done(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		goto rx_ring_summary;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
		struct e1000_buffer *buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		struct my_u { __le64 a; __le64 b; };
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
		struct my_u *u = (struct my_u *)tx_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		const char *type;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
			type = "NTC/U";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
		else if (i == tx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
			type = "NTU";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
		else if (i == tx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
			type = "NTC";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
			type = "";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p %s\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
			((le64_to_cpu(u->b) & (1<<20)) ? 'd' : 'c'), i,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
			le64_to_cpu(u->a), le64_to_cpu(u->b),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
			(u64)buffer_info->dma, buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
			buffer_info->next_to_watch,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
			(u64)buffer_info->time_stamp, buffer_info->skb, type);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
rx_ring_summary:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	 * receive dump
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	pr_info("\nRX Desc ring dump\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	/* Legacy Receive Descriptor Format
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	 * +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	 * |                Buffer Address [63:0]                |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	 * +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	 * +-----------------------------------------------------+
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	 * 63       48 47    40 39      32 31         16 15      0
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	pr_info("R[desc]      [address 63:0  ] [vl er S cks ln] [bi->dma       ] [bi->skb]\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	if (!netif_msg_rx_status(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		goto exit;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		struct e1000_buffer *buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		struct my_u { __le64 a; __le64 b; };
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		struct my_u *u = (struct my_u *)rx_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		const char *type;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		if (i == rx_ring->next_to_use)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
			type = "NTU";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		else if (i == rx_ring->next_to_clean)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
			type = "NTC";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
			type = "";
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		pr_info("R[0x%03X]     %016llX %016llX %016llX %p %s\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
			i, le64_to_cpu(u->a), le64_to_cpu(u->b),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
			(u64)buffer_info->dma, buffer_info->skb, type);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	} /* for */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	/* dump the descriptor caches */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	/* rx */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	pr_info("Rx descriptor cache in 64bit format\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	for (i = 0x6000; i <= 0x63FF ; i += 0x10) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		pr_info("R%04X: %08X|%08X %08X|%08X\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
			i,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
			readl(adapter->hw.hw_addr + i+4),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
			readl(adapter->hw.hw_addr + i),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
			readl(adapter->hw.hw_addr + i+12),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
			readl(adapter->hw.hw_addr + i+8));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	/* tx */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	pr_info("Tx descriptor cache in 64bit format\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	for (i = 0x7000; i <= 0x73FF ; i += 0x10) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
		pr_info("T%04X: %08X|%08X %08X|%08X\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
			i,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
			readl(adapter->hw.hw_addr + i+4),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
			readl(adapter->hw.hw_addr + i),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			readl(adapter->hw.hw_addr + i+12),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
			readl(adapter->hw.hw_addr + i+8));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
exit:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
 * e1000_tx_timeout - Respond to a Tx Hang
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
static void e1000_tx_timeout(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	/* Do the reset outside of interrupt context */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	adapter->tx_timeout_count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	schedule_work(&adapter->reset_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
static void e1000_reset_task(struct work_struct *work)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	struct e1000_adapter *adapter =
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		container_of(work, struct e1000_adapter, reset_task);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	if (test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	e_err(drv, "Reset adapter\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	e1000_reinit_safe(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
 * e1000_get_stats - Get System Network Statistics
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
 * Returns the address of the device statistics structure.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
 * The statistics are actually updated from the watchdog.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	/* only return the current stats */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	return &netdev->stats;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
 * e1000_change_mtu - Change the Maximum Transfer Unit
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
 * @netdev: network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
 * @new_mtu: new value for maximum frame size
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
 * Returns 0 on success, negative on failure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		e_err(probe, "Invalid MTU setting\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	/* Adapter-specific max frame size limits. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	case e1000_undefined ... e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
			e_err(probe, "Jumbo Frames not supported.\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
			return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
		msleep(1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	/* e1000_down has a dependency on max_frame_size */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	hw->max_frame_size = max_frame;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		e1000_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	 * means we reserve 2 more, this pushes us to allocate from the next
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	 * larger slab size.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	 * i.e. RXBUFFER_2048 --> size-4096 slab
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	 *  fragmented skbs */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	if (max_frame <= E1000_RXBUFFER_2048)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		adapter->rx_buffer_len = PAGE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
#endif
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	/* adjust allocation if LPE protects us, and we aren't using SBP */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	if (!hw->tbi_compatibility_on &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	pr_info("%s changing MTU from %d to %d\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
		netdev->name, netdev->mtu, new_mtu);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	netdev->mtu = new_mtu;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
		e1000_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
		e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	clear_bit(__E1000_RESETTING, &adapter->flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
 * e1000_update_stats - Update the board statistics counters
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
void e1000_update_stats(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	unsigned long flags = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	u16 phy_tmp;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	 * Prevent stats update while adapter is being reset, or if the pci
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	 * connection is down.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	if (adapter->link_speed == 0)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	if (pci_channel_offline(pdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		spin_lock_irqsave(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	/* these counters are modified from e1000_tbi_adjust_stats,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	 * called from the interrupt context, so they must only
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	 * be written while holding adapter->stats_lock
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	adapter->stats.crcerrs += er32(CRCERRS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	adapter->stats.gprc += er32(GPRC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	adapter->stats.gorcl += er32(GORCL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	adapter->stats.gorch += er32(GORCH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	adapter->stats.bprc += er32(BPRC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	adapter->stats.mprc += er32(MPRC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	adapter->stats.roc += er32(ROC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	adapter->stats.prc64 += er32(PRC64);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	adapter->stats.prc127 += er32(PRC127);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	adapter->stats.prc255 += er32(PRC255);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	adapter->stats.prc511 += er32(PRC511);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	adapter->stats.prc1023 += er32(PRC1023);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	adapter->stats.prc1522 += er32(PRC1522);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	adapter->stats.symerrs += er32(SYMERRS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	adapter->stats.mpc += er32(MPC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	adapter->stats.scc += er32(SCC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	adapter->stats.ecol += er32(ECOL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	adapter->stats.mcc += er32(MCC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	adapter->stats.latecol += er32(LATECOL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	adapter->stats.dc += er32(DC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	adapter->stats.sec += er32(SEC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	adapter->stats.rlec += er32(RLEC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	adapter->stats.xonrxc += er32(XONRXC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	adapter->stats.xontxc += er32(XONTXC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	adapter->stats.xoffrxc += er32(XOFFRXC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	adapter->stats.xofftxc += er32(XOFFTXC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	adapter->stats.fcruc += er32(FCRUC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	adapter->stats.gptc += er32(GPTC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	adapter->stats.gotcl += er32(GOTCL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	adapter->stats.gotch += er32(GOTCH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	adapter->stats.rnbc += er32(RNBC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	adapter->stats.ruc += er32(RUC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	adapter->stats.rfc += er32(RFC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	adapter->stats.rjc += er32(RJC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	adapter->stats.torl += er32(TORL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	adapter->stats.torh += er32(TORH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	adapter->stats.totl += er32(TOTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	adapter->stats.toth += er32(TOTH);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	adapter->stats.tpr += er32(TPR);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	adapter->stats.ptc64 += er32(PTC64);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	adapter->stats.ptc127 += er32(PTC127);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	adapter->stats.ptc255 += er32(PTC255);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	adapter->stats.ptc511 += er32(PTC511);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	adapter->stats.ptc1023 += er32(PTC1023);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	adapter->stats.ptc1522 += er32(PTC1522);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	adapter->stats.mptc += er32(MPTC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	adapter->stats.bptc += er32(BPTC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	/* used for adaptive IFS */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	hw->tx_packet_delta = er32(TPT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	adapter->stats.tpt += hw->tx_packet_delta;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	hw->collision_delta = er32(COLC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	adapter->stats.colc += hw->collision_delta;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	if (hw->mac_type >= e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		adapter->stats.algnerrc += er32(ALGNERRC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
		adapter->stats.rxerrc += er32(RXERRC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		adapter->stats.tncrs += er32(TNCRS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		adapter->stats.cexterr += er32(CEXTERR);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		adapter->stats.tsctc += er32(TSCTC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		adapter->stats.tsctfc += er32(TSCTFC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	/* Fill out the OS statistics structure */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	netdev->stats.multicast = adapter->stats.mprc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	netdev->stats.collisions = adapter->stats.colc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	/* Rx Errors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	/* RLEC on some newer hardware can be incorrect so build
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	* our own version based on RUC and ROC */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	netdev->stats.rx_errors = adapter->stats.rxerrc +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		adapter->stats.crcerrs + adapter->stats.algnerrc +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		adapter->stats.ruc + adapter->stats.roc +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		adapter->stats.cexterr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	/* Tx Errors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	netdev->stats.tx_errors = adapter->stats.txerrc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	netdev->stats.tx_window_errors = adapter->stats.latecol;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	if (hw->bad_tx_carr_stats_fd &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	    adapter->link_duplex == FULL_DUPLEX) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		netdev->stats.tx_carrier_errors = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		adapter->stats.tncrs = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	/* Tx Dropped needs to be maintained elsewhere */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	/* Phy Stats */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	if (hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
		if ((adapter->link_speed == SPEED_1000) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
			adapter->phy_stats.idle_errors += phy_tmp;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
		if ((hw->mac_type <= e1000_82546) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
		   (hw->phy_type == e1000_phy_m88) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
			adapter->phy_stats.receive_errors += phy_tmp;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	/* Management Stats */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	if (hw->has_smbus) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		adapter->stats.mgptc += er32(MGTPTC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		adapter->stats.mgprc += er32(MGTPRC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		adapter->stats.mgpdc += er32(MGTPDC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
void ec_poll(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		e1000_watchdog(&adapter->watchdog_task.work);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
	e1000_intr(0, netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
 * e1000_intr - Interrupt Handler
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
 * @irq: interrupt number
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
 * @data: pointer to a network interface device structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
static irqreturn_t e1000_intr(int irq, void *data)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	struct net_device *netdev = data;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	u32 icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	if (unlikely((!icr)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		return IRQ_NONE;  /* Not our interrupt */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	 * we might have caused the interrupt, but the above
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	 * read cleared it, and just in case the driver is
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	 * down there is nothing to do so return handled
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		hw->get_link_status = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		/* guard against interrupt when we're going down */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			schedule_delayed_work(&adapter->watchdog_task, 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
		int i, ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		for (i = 0; i < E1000_MAX_INTR; i++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
							&ec_work_done, 100) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
 	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		/* disable interrupts, without the synchronize_irq bit */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		ew32(IMC, ~0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		if (likely(napi_schedule_prep(&adapter->napi))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
			adapter->total_tx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
			adapter->total_tx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
			adapter->total_rx_bytes = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
			adapter->total_rx_packets = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
			__napi_schedule(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
			/* this really should not happen! if it does it is basically a
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
			 * bug, but not a hard error, so enable ints and continue */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
			if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
				e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	return IRQ_HANDLED;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
 * e1000_clean - NAPI Rx polling callback
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
 * EtherCAT: never called
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
static int e1000_clean(struct napi_struct *napi, int budget)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	int tx_clean_complete = 0, work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	if (!tx_clean_complete)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		work_done = budget;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	/* If budget not fully consumed, exit the polling mode */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	if (work_done < budget) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
		if (likely(adapter->itr_setting & 3))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
			e1000_set_itr(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		napi_complete(napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
			e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	return work_done;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
			       struct e1000_tx_ring *tx_ring)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	struct e1000_tx_desc *tx_desc, *eop_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	unsigned int i, eop;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	unsigned int count = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	unsigned int total_tx_bytes=0, total_tx_packets=0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	i = tx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	eop = tx_ring->buffer_info[i].next_to_watch;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	       (count < tx_ring->count)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		rmb();	/* read buffer_info after eop_desc */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		for ( ; !cleaned; count++) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
			tx_desc = E1000_TX_DESC(*tx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
			buffer_info = &tx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
			cleaned = (i == eop);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
			if (cleaned) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
				total_tx_packets += buffer_info->segs;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
				total_tx_bytes += buffer_info->bytecount;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
			tx_desc->upper.data = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
			if (unlikely(++i == tx_ring->count)) i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		eop = tx_ring->buffer_info[i].next_to_watch;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	tx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
#define TX_WAKE_THRESHOLD 32
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		/* Make sure that anybody stopping the queue after this
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		 * sees the new next_to_clean.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		smp_mb();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		if (netif_queue_stopped(netdev) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
			netif_wake_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
			++adapter->restart_queue;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
	if (!adapter->ecdev && adapter->detect_tx_hung) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		/* Detect a transmit hang in hardware, this serializes the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
		 * check with the clearing of time_stamp and movement of i */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		adapter->detect_tx_hung = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		if (tx_ring->buffer_info[eop].time_stamp &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		               (adapter->tx_timeout_factor * HZ)) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
			/* detected Tx unit hang */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			e_err(drv, "Detected Tx Unit Hang\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
			      "  Tx Queue             <%lu>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
			      "  TDH                  <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
			      "  TDT                  <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
			      "  next_to_use          <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
			      "  next_to_clean        <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			      "buffer_info[next_to_clean]\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
			      "  time_stamp           <%lx>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
			      "  next_to_watch        <%x>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			      "  jiffies              <%lx>\n"
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
			      "  next_to_watch.status <%x>\n",
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
				(unsigned long)((tx_ring - adapter->tx_ring) /
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
					sizeof(struct e1000_tx_ring)),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
				readl(hw->hw_addr + tx_ring->tdh),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
				readl(hw->hw_addr + tx_ring->tdt),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
				tx_ring->next_to_use,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
				tx_ring->next_to_clean,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
				tx_ring->buffer_info[eop].time_stamp,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
				eop,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
				jiffies,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
				eop_desc->upper.fields.status);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
			e1000_dump(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
			netif_stop_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	adapter->total_tx_bytes += total_tx_bytes;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	adapter->total_tx_packets += total_tx_packets;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	netdev->stats.tx_bytes += total_tx_bytes;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	netdev->stats.tx_packets += total_tx_packets;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	return count < tx_ring->count;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
 * e1000_rx_checksum - Receive Checksum Offload for 82543
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
 * @adapter:     board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
 * @status_err:  receive descriptor status and error fields
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
 * @csum:        receive descriptor csum field
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
 * @sk_buff:     socket buffer with received data
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			      u32 csum, struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	u16 status = (u16)status_err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	u8 errors = (u8)(status_err >> 24);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	skb_checksum_none_assert(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	/* 82543 or newer only */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	if (unlikely(hw->mac_type < e1000_82543)) return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	/* Ignore Checksum bit is set */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	/* TCP/UDP checksum error bit is set */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		/* let the stack verify checksum errors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		adapter->hw_csum_err++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	/* TCP/UDP Checksum has not been calculated */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	if (!(status & E1000_RXD_STAT_TCPCS))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	/* It must be a TCP or UDP packet with a valid checksum */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
		/* TCP checksum is good */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
		skb->ip_summed = CHECKSUM_UNNECESSARY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	adapter->hw_csum_good++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
 * e1000_consume_page - helper function
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
                               u16 length)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	bi->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	skb->len += length;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	skb->data_len += length;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	skb->truesize += PAGE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
 * e1000_receive_skb - helper function to handle rx indications
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
 * @status: descriptor status field as written by hardware
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
 * @skb: pointer to sk_buff to be indicated to stack
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
			      __le16 vlan, struct sk_buff *skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	skb->protocol = eth_type_trans(skb, adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	if (status & E1000_RXD_STAT_VP) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
		__vlan_hwaccel_put_tag(skb, vid);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	napi_gro_receive(&adapter->napi, skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
 * @rx_ring: ring to clean
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
 * @work_done: amount of napi work completed this call
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
 * @work_to_do: max amount of work allowed for this call to do
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
 * the return value indicates whether actual cleaning was done, there
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
 * is no guarantee that everything was cleaned
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
				     struct e1000_rx_ring *rx_ring,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
				     int *work_done, int work_to_do)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	struct e1000_rx_desc *rx_desc, *next_rxd;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	struct e1000_buffer *buffer_info, *next_buffer;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	unsigned long irq_flags;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	u32 length;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	unsigned int total_rx_bytes=0, total_rx_packets=0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	rx_desc = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	while (rx_desc->status & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
		u8 status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		rmb(); /* read descriptor and rx_buffer_info after status DD */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		status = rx_desc->status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
			buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		if (++i == rx_ring->count) i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		next_rxd = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		next_buffer = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		dma_unmap_page(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
			       buffer_info->length, DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		length = le16_to_cpu(rx_desc->length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		/* errors is only valid for DD + EOP descriptors */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
		if (!adapter->ecdev &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		    unlikely((status & E1000_RXD_STAT_EOP) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
			u8 last_byte = *(skb->data + length - 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
				       last_byte)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
				spin_lock_irqsave(&adapter->stats_lock,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
				                  irq_flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
				e1000_tbi_adjust_stats(hw, &adapter->stats,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
				                       length, skb->data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
				spin_unlock_irqrestore(&adapter->stats_lock,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
				                       irq_flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
				length--;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
			} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
				/* recycle both page and skb */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
				buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
				/* an error means any chain goes out the window
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
				 * too */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
				if (rx_ring->rx_skb_top)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
					dev_kfree_skb(rx_ring->rx_skb_top);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
				rx_ring->rx_skb_top = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
				goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
#define rxtop rx_ring->rx_skb_top
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		if (!(status & E1000_RXD_STAT_EOP)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
			/* this descriptor is only the beginning (or middle) */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
			if (!rxtop) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
				/* this is the beginning of a chain */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
				rxtop = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
				                   0, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
			} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
				/* this is the middle of a chain */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
				skb_fill_page_desc(rxtop,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
				    skb_shinfo(rxtop)->nr_frags,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
				    buffer_info->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
				/* re-use the skb, only consumed the page */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
				buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
			e1000_consume_page(buffer_info, rxtop, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
			goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
			if (rxtop) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
				/* end of the chain */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
				skb_fill_page_desc(rxtop,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
				    skb_shinfo(rxtop)->nr_frags,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
				    buffer_info->page, 0, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
				/* re-use the current skb, we only consumed the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
				 * page */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
				buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
				skb = rxtop;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
				rxtop = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
				e1000_consume_page(buffer_info, skb, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
			} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
				/* no chain, got EOP, this buf is the packet
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
				 * copybreak to save the put_page/alloc_page */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
				if (length <= copybreak &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
				    skb_tailroom(skb) >= length) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
					u8 *vaddr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
					vaddr = kmap_atomic(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
					memcpy(skb_tail_pointer(skb), vaddr, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
					kunmap_atomic(vaddr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
					/* re-use the page, so don't erase
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
					 * buffer_info->page */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
					skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
				} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
					skb_fill_page_desc(skb, 0,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
					                   buffer_info->page, 0,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
				                           length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
					e1000_consume_page(buffer_info, skb,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
					                   length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
				}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		e1000_rx_checksum(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		                  (u32)(status) |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		                  ((u32)(rx_desc->errors) << 24),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		                  le16_to_cpu(rx_desc->csum), skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		total_rx_bytes += (skb->len - 4); /* don't count FCS */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			pskb_trim(skb, skb->len - 4);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
		total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		/* eth type trans needs skb->data to point to something */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
		if (!pskb_may_pull(skb, ETH_HLEN)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			e_err(drv, "pskb_may_pull failed.\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
			if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
				dev_kfree_skb(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
			ecdev_receive(adapter->ecdev, skb->data, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
			// No need to detect link status as
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
			// long as frames are received: Reset watchdog.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
			adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
next_desc:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		rx_desc->status = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		/* return some buffers to hardware, one at a time is too slow */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
	netdev->stats.rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	netdev->stats.rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
 * this should improve performance for small packets with large amounts
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
 * of reassembly being done in the stack
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
static void e1000_check_copybreak(struct net_device *netdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
				 struct e1000_buffer *buffer_info,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
				 u32 length, struct sk_buff **skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
	struct sk_buff *new_skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
	if (adapter->ecdev || length > copybreak)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	if (!new_skb)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
				       (*skb)->data - NET_IP_ALIGN,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
				       length + NET_IP_ALIGN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	/* save the skb in buffer_info as good */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	buffer_info->skb = *skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	*skb = new_skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
 * @adapter: board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
 * @rx_ring: ring to clean
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
 * @work_done: amount of napi work completed this call
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
 * @work_to_do: max amount of work allowed for this call to do
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
			       struct e1000_rx_ring *rx_ring,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			       int *work_done, int work_to_do)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	struct e1000_rx_desc *rx_desc, *next_rxd;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	struct e1000_buffer *buffer_info, *next_buffer;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	unsigned long flags;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	u32 length;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	int cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
	bool cleaned = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	unsigned int total_rx_bytes=0, total_rx_packets=0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	i = rx_ring->next_to_clean;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	rx_desc = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	while (rx_desc->status & E1000_RXD_STAT_DD) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		u8 status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		if (*work_done >= work_to_do)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		(*work_done)++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		rmb(); /* read descriptor and rx_buffer_info after status DD */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		status = rx_desc->status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
			buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		prefetch(skb->data - NET_IP_ALIGN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		if (++i == rx_ring->count) i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		next_rxd = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		prefetch(next_rxd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		next_buffer = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		cleaned = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		cleaned_count++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		dma_unmap_single(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
				 buffer_info->length, DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
		buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		length = le16_to_cpu(rx_desc->length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		/* !EOP means multiple descriptors were used to store a single
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		 * packet, if thats the case we need to toss it.  In fact, we
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
		 * to toss every packet with the EOP bit clear and the next
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		 * frame that _does_ have the EOP bit set, as it is by
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
		 * definition only a frame fragment
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
			adapter->discarding = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		if (adapter->discarding) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			/* All receives must fit into a single buffer */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
			e_dbg("Receive packet consumed multiple buffers\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
			/* recycle */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
			buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
			if (status & E1000_RXD_STAT_EOP)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
				adapter->discarding = false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
			goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
		if (!adapter->ecdev &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			u8 last_byte = *(skb->data + length - 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
				       last_byte)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
				spin_lock_irqsave(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
				e1000_tbi_adjust_stats(hw, &adapter->stats,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
				                       length, skb->data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
				spin_unlock_irqrestore(&adapter->stats_lock,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
				                       flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
				length--;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
				/* recycle */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
				buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
				goto next_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		total_rx_bytes += (length - 4); /* don't count FCS */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		total_rx_packets++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
			/* adjust length to remove Ethernet CRC, this must be
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
			 * done after the TBI_ACCEPT workaround above
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
			 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
			length -= 4;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		skb_put(skb, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		/* Receive Checksum Offload */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		e1000_rx_checksum(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
				  (u32)(status) |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
				  ((u32)(rx_desc->errors) << 24),
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
				  le16_to_cpu(rx_desc->csum), skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
			ecdev_receive(adapter->ecdev, skb->data, length);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
			// No need to detect link status as
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
			// long as frames are received: Reset watchdog.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
			adapter->ec_watchdog_jiffies = jiffies;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
next_desc:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		rx_desc->status = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		/* return some buffers to hardware, one at a time is too slow */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
			cleaned_count = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		/* use prefetched values */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		rx_desc = next_rxd;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		buffer_info = next_buffer;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	rx_ring->next_to_clean = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	if (cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	adapter->total_rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	adapter->total_rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	netdev->stats.rx_bytes += total_rx_bytes;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	netdev->stats.rx_packets += total_rx_packets;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	return cleaned;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
 * @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
 * @rx_ring: pointer to receive ring structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
 * @cleaned_count: number of buffers to allocate this pass
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
static void
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	struct e1000_rx_desc *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
		if (skb) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
			skb_trim(skb, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
			goto check_page;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		if (unlikely(!skb)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
			/* Better luck next round */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
			adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		/* Fix for errata 23, can't cross 64kB boundary */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			struct sk_buff *oldskb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			e_err(rx_err, "skb align check failed: %u bytes at "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			      "%p\n", bufsz, skb->data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
			/* Try again, without freeing the previous */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
			/* Failed allocation, critical failure */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
			if (!skb) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
				dev_kfree_skb(oldskb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
				adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
				/* give up */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
				dev_kfree_skb(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
				dev_kfree_skb(oldskb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
				break; /* while (cleaned_count--) */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
			/* Use new allocation */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
			dev_kfree_skb(oldskb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		buffer_info->length = adapter->rx_buffer_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
check_page:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		/* allocate a new page if necessary */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		if (!buffer_info->page) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
			buffer_info->page = alloc_page(GFP_ATOMIC);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
			if (unlikely(!buffer_info->page)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
				adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		if (!buffer_info->dma) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
			buffer_info->dma = dma_map_page(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
			                                buffer_info->page, 0,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
							buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
							DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
				put_page(buffer_info->page);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
				dev_kfree_skb(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
				buffer_info->page = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
				buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
				buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
				adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
				break; /* while !buffer_info->skb */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		rx_desc = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		if (unlikely(++i == rx_ring->count))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
			i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	if (likely(rx_ring->next_to_use != i)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		if (unlikely(i-- == 0))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
			i = (rx_ring->count - 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		 * know there are new descriptors to fetch.  (Only
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		 * applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		 * such as IA-64). */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
		wmb();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
 * @adapter: address of board private structure
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
				   struct e1000_rx_ring *rx_ring,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
				   int cleaned_count)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	struct net_device *netdev = adapter->netdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	struct pci_dev *pdev = adapter->pdev;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	struct e1000_rx_desc *rx_desc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	struct e1000_buffer *buffer_info;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	struct sk_buff *skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	unsigned int i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	unsigned int bufsz = adapter->rx_buffer_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	i = rx_ring->next_to_use;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	while (cleaned_count--) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		skb = buffer_info->skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		if (skb) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			skb_trim(skb, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			goto map_skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		if (unlikely(!skb)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
			/* Better luck next round */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
			adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
			break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		/* Fix for errata 23, can't cross 64kB boundary */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			struct sk_buff *oldskb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			e_err(rx_err, "skb align check failed: %u bytes at "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			      "%p\n", bufsz, skb->data);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
			/* Try again, without freeing the previous */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
			/* Failed allocation, critical failure */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			if (!skb) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
				dev_kfree_skb(oldskb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
				adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
				/* give up */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
				dev_kfree_skb(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
				dev_kfree_skb(oldskb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
				adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
				break; /* while !buffer_info->skb */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			/* Use new allocation */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			dev_kfree_skb(oldskb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
		buffer_info->skb = skb;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		buffer_info->length = adapter->rx_buffer_len;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
map_skb:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		buffer_info->dma = dma_map_single(&pdev->dev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
						  skb->data,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
						  buffer_info->length,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
						  DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
			dev_kfree_skb(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
			buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
			buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
			adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
			break; /* while !buffer_info->skb */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		 * XXX if it was allocated cleanly it will never map to a
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		 * boundary crossing
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		/* Fix for errata 23, can't cross 64kB boundary */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		if (!e1000_check_64k_bound(adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
					(void *)(unsigned long)buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
					adapter->rx_buffer_len)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			e_err(rx_err, "dma align check failed: %u bytes at "
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
			      "%p\n", adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
			      (void *)(unsigned long)buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
			dev_kfree_skb(skb);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
			buffer_info->skb = NULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
			dma_unmap_single(&pdev->dev, buffer_info->dma,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
					 adapter->rx_buffer_len,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
					 DMA_FROM_DEVICE);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
			buffer_info->dma = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
			adapter->alloc_rx_buff_failed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
			break; /* while !buffer_info->skb */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		rx_desc = E1000_RX_DESC(*rx_ring, i);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		if (unlikely(++i == rx_ring->count))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
			i = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		buffer_info = &rx_ring->buffer_info[i];
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	if (likely(rx_ring->next_to_use != i)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		rx_ring->next_to_use = i;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		if (unlikely(i-- == 0))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
			i = (rx_ring->count - 1);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
		/* Force memory writes to complete before letting h/w
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
		 * know there are new descriptors to fetch.  (Only
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
		 * applicable for weak-ordered memory model archs,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		 * such as IA-64). */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		wmb();
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		writel(i, hw->hw_addr + rx_ring->rdt);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
 * @adapter:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
static void e1000_smartspeed(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	u16 phy_status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	u16 phy_ctrl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	if (adapter->smartspeed == 0) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		/* If Master/Slave config fault is asserted twice,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		 * we assume back-to-back */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
					    phy_ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
			adapter->smartspeed++;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
			if (!e1000_phy_setup_autoneg(hw) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
			   !e1000_read_phy_reg(hw, PHY_CTRL,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
				   	       &phy_ctrl)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
					     MII_CR_RESTART_AUTO_NEG);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
				e1000_write_phy_reg(hw, PHY_CTRL,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
						    phy_ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
		/* If still no link, perhaps using 2/3 pair cable */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
		phy_ctrl |= CR_1000T_MS_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
		if (!e1000_phy_setup_autoneg(hw) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
				     MII_CR_RESTART_AUTO_NEG);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		adapter->smartspeed = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
 * e1000_ioctl -
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
 * @netdev:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
 * @ifreq:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
 * @cmd:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	switch (cmd) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	case SIOCGMIIPHY:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	case SIOCGMIIREG:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	case SIOCSMIIREG:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
		return e1000_mii_ioctl(netdev, ifr, cmd);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
 * e1000_mii_ioctl -
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
 * @netdev:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
 * @ifreq:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
 * @cmd:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
 **/
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
			   int cmd)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	struct mii_ioctl_data *data = if_mii(ifr);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	int retval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	u16 mii_reg;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	unsigned long flags;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	if (hw->media_type != e1000_media_type_copper)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	switch (cmd) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	case SIOCGMIIPHY:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
		data->phy_id = hw->phy_addr;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	case SIOCGMIIREG:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
		if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
			return -EPERM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		spin_lock_irqsave(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
				   &data->val_out)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
			return -EIO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	case SIOCSMIIREG:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
			return -EPERM;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		if (data->reg_num & ~(0x1F))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
			return -EFAULT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		mii_reg = data->val_in;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
		spin_lock_irqsave(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		if (e1000_write_phy_reg(hw, data->reg_num,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
					mii_reg)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
			return -EIO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		if (hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
			switch (data->reg_num) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
			case PHY_CTRL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
				if (mii_reg & MII_CR_POWER_DOWN)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
					break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
					hw->autoneg = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
					hw->autoneg_advertised = 0x2F;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
				} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
					u32 speed;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
					if (mii_reg & 0x40)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
						speed = SPEED_1000;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
					else if (mii_reg & 0x2000)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
						speed = SPEED_100;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
					else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
						speed = SPEED_10;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
					retval = e1000_set_spd_dplx(
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
						adapter, speed,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
						((mii_reg & 0x100)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
						 ? DUPLEX_FULL :
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
						 DUPLEX_HALF));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
					if (retval)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
						return retval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
				}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
				if (netif_running(adapter->netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
					e1000_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
				else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
					e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
			case M88E1000_PHY_SPEC_CTRL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
			case M88E1000_EXT_PHY_SPEC_CTRL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
				if (e1000_phy_reset(hw))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
					return -EIO;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
			switch (data->reg_num) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
			case PHY_CTRL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
				if (mii_reg & MII_CR_POWER_DOWN)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
					break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
				if (netif_running(adapter->netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
					e1000_reinit_locked(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
				else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
					e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
				break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
			}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
		return -EOPNOTSUPP;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
void e1000_pci_set_mwi(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	struct e1000_adapter *adapter = hw->back;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	int ret_val = pci_set_mwi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		e_err(probe, "Error in setting MWI\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
void e1000_pci_clear_mwi(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	struct e1000_adapter *adapter = hw->back;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	pci_clear_mwi(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	struct e1000_adapter *adapter = hw->back;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	return pcix_get_mmrbc(adapter->pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	struct e1000_adapter *adapter = hw->back;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	pcix_set_mmrbc(adapter->pdev, mmrbc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	outl(value, port);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
static bool e1000_vlan_used(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	u16 vid;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		return true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	return false;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
static void __e1000_vlan_mode(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
			      netdev_features_t features)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	if (features & NETIF_F_HW_VLAN_RX) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
		/* enable VLAN tag insert/strip */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		ctrl |= E1000_CTRL_VME;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
		/* disable VLAN tag insert/strip */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		ctrl &= ~E1000_CTRL_VME;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
				     bool filter_on)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	__e1000_vlan_mode(adapter, adapter->netdev->features);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	if (filter_on) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		/* enable VLAN receive filtering */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
		rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
		rctl &= ~E1000_RCTL_CFIEN;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
		if (!(adapter->netdev->flags & IFF_PROMISC))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
			rctl |= E1000_RCTL_VFE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
		e1000_update_mng_vlan(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		/* disable VLAN receive filtering */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
		rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
		rctl &= ~E1000_RCTL_VFE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
static void e1000_vlan_mode(struct net_device *netdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
			    netdev_features_t features)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
		e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	__e1000_vlan_mode(adapter, features);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	u32 vfta, index;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	if ((hw->mng_cookie.status &
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	    (vid == adapter->mng_vlan_id))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
		return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	if (!e1000_vlan_used(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		e1000_vlan_filter_on_off(adapter, true);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	/* add VID to filter table */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	index = (vid >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	vfta |= (1 << (vid & 0x1F));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	e1000_write_vfta(hw, index, vfta);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	set_bit(vid, adapter->active_vlans);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	u32 vfta, index;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
		e1000_irq_disable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	if (!test_bit(__E1000_DOWN, &adapter->flags))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	/* remove VID from filter table */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	index = (vid >> 5) & 0x7F;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	vfta &= ~(1 << (vid & 0x1F));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	e1000_write_vfta(hw, index, vfta);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	clear_bit(vid, adapter->active_vlans);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	if (!e1000_vlan_used(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		e1000_vlan_filter_on_off(adapter, false);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
static void e1000_restore_vlan(struct e1000_adapter *adapter)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	u16 vid;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	if (!e1000_vlan_used(adapter))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
		return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	e1000_vlan_filter_on_off(adapter, true);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	hw->autoneg = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	 * for the switch() below to work */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	if ((spd & 1) || (dplx & ~1))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		goto err_inval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	/* Fiber NICs only allow 1000 gbps Full duplex */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
	if ((hw->media_type == e1000_media_type_fiber) &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	    spd != SPEED_1000 &&
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	    dplx != DUPLEX_FULL)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
		goto err_inval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	switch (spd + dplx) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	case SPEED_10 + DUPLEX_HALF:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
		hw->forced_speed_duplex = e1000_10_half;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	case SPEED_10 + DUPLEX_FULL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
		hw->forced_speed_duplex = e1000_10_full;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	case SPEED_100 + DUPLEX_HALF:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
		hw->forced_speed_duplex = e1000_100_half;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	case SPEED_100 + DUPLEX_FULL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
		hw->forced_speed_duplex = e1000_100_full;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	case SPEED_1000 + DUPLEX_FULL:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
		hw->autoneg = 1;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		break;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	default:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		goto err_inval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
err_inval:
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	return -EINVAL;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	u32 ctrl, ctrl_ext, rctl, status;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	u32 wufc = adapter->wol;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	int retval = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
#endif
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	netif_device_detach(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		e1000_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	retval = pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	if (retval)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		return retval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
#endif
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
	if (status & E1000_STATUS_LU)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
		wufc &= ~E1000_WUFC_LNKC;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	if (wufc) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
		e1000_setup_rctl(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		e1000_set_rx_mode(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
		rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		/* turn on all-multi mode if wake on multicast is enabled */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
		if (wufc & E1000_WUFC_MC)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
			rctl |= E1000_RCTL_MPE;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
		/* enable receives in the hardware */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
		ew32(RCTL, rctl | E1000_RCTL_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
		if (hw->mac_type >= e1000_82540) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
			ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
			/* advertise wake from D3Cold */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
			#define E1000_CTRL_ADVD3WUC 0x00100000
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
			/* phy power management enable */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
			ctrl |= E1000_CTRL_ADVD3WUC |
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
				E1000_CTRL_EN_PHY_PWR_MGMT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
			ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
		if (hw->media_type == e1000_media_type_fiber ||
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
		    hw->media_type == e1000_media_type_internal_serdes) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
			/* keep the laser running in D3 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
			ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
			ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		ew32(WUC, E1000_WUC_PME_EN);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
		ew32(WUFC, wufc);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
		ew32(WUC, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
		ew32(WUFC, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	e1000_release_manageability(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	*enable_wake = !!wufc;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	/* make sure adapter isn't asleep if manageability is enabled */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	if (adapter->en_mng_pt)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
		*enable_wake = true;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		e1000_free_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
#ifdef CONFIG_PM
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	int retval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	bool wake;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
	retval = __e1000_shutdown(pdev, &wake);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	if (retval)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
		return retval;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	if (wake) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
		pci_prepare_to_sleep(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	} else {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
		pci_wake_from_d3(pdev, false);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
		pci_set_power_state(pdev, PCI_D3hot);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
static int e1000_resume(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	u32 err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
	pci_set_power_state(pdev, PCI_D0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
	pci_restore_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	pci_save_state(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	if (adapter->need_ioport)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		err = pci_enable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
		err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
		pr_err("Cannot enable PCI device from suspend\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	pci_enable_wake(pdev, PCI_D3hot, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	pci_enable_wake(pdev, PCI_D3cold, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
		err = e1000_request_irq(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
		if (err)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
			return err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	e1000_power_up_phy(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	ew32(WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	e1000_init_manageability(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
		e1000_up(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
		netif_device_attach(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	return 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
#endif
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
static void e1000_shutdown(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	bool wake;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
	__e1000_shutdown(pdev, &wake);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	if (system_state == SYSTEM_POWER_OFF) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
		pci_wake_from_d3(pdev, wake);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
		pci_set_power_state(pdev, PCI_D3hot);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
#ifdef CONFIG_NET_POLL_CONTROLLER
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
/*
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
 * Polling 'interrupt' - used by things like netconsole to send skbs
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
 * without having to re-enable interrupts. It's not called while
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
 * the interrupt routine is executing.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
static void e1000_netpoll(struct net_device *netdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	disable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	e1000_intr(adapter->pdev->irq, netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	enable_irq(adapter->pdev->irq);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
#endif
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
 * e1000_io_error_detected - called when PCI error is detected
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
 * @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
 * @state: The current pci connection state
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
 * This function is called after a PCI bus error affecting
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
 * this device has been detected.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
						pci_channel_state_t state)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	netif_device_detach(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	if (state == pci_channel_io_perm_failure)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
		return PCI_ERS_RESULT_DISCONNECT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	if (netif_running(netdev))
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
		e1000_down(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	pci_disable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	/* Request a slot slot reset. */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	return PCI_ERS_RESULT_NEED_RESET;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
 * e1000_io_slot_reset - called after the pci bus has been reset.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
 * @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
 * Restart the card from scratch, as if from a cold-boot. Implementation
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
 * resembles the first-half of the e1000_resume routine.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	struct e1000_hw *hw = &adapter->hw;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	int err;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	if (adapter->need_ioport)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		err = pci_enable_device(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
	else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
		err = pci_enable_device_mem(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	if (err) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
		pr_err("Cannot re-enable PCI device after reset.\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
		return PCI_ERS_RESULT_DISCONNECT;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	pci_set_master(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	pci_enable_wake(pdev, PCI_D3hot, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	pci_enable_wake(pdev, PCI_D3cold, 0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	e1000_reset(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	ew32(WUS, ~0);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	return PCI_ERS_RESULT_RECOVERED;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
/**
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
 * e1000_io_resume - called when traffic can start flowing again.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
 * @pdev: Pointer to PCI device
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
 *
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
 * This callback is called when the error recovery driver tells us that
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
 * its OK to resume normal operation. Implementation resembles the
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
 * second-half of the e1000_resume routine.
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
 */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
static void e1000_io_resume(struct pci_dev *pdev)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
{
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	struct net_device *netdev = pci_get_drvdata(pdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	struct e1000_adapter *adapter = netdev_priv(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
	e1000_init_manageability(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
	if (netif_running(netdev)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		if (e1000_up(adapter)) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
			pr_info("can't bring device back up after reset\n");
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
			return;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	netif_device_attach(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
/* e1000_main.c */