devices/e1000/e1000_main-2.6.18-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 17 Jul 2007 18:47:12 +0000
changeset 668 09438628d4a3
parent 667 9feff35c9617
child 671 2223549df36c
permissions -rw-r--r--
Advanced e1000 modifications.
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/*******************************************************************************
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  Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
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  This program is free software; you can redistribute it and/or modify it 
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  under the terms of the GNU General Public License as published by the Free 
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  Software Foundation; either version 2 of the License, or (at your option) 
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  any later version.
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  This program is distributed in the hope that 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., 59 
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  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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  The full GNU General Public License is included in this distribution in the
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  file called LICENSE.
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include "e1000-2.6.18-ethercat.h"
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "EtherCAT Intel(R) PRO/1000 Network Driver";
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#ifndef CONFIG_E1000_NAPI
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#define DRIVERNAPI
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#else
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#define DRIVERNAPI "-NAPI"
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#endif
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#define DRV_VERSION "7.1.9-k4"DRIVERNAPI
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char e1000_driver_version[] = DRV_VERSION;
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static 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 struct pci_device_id 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(0x1049),
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	INTEL_E1000_ETHERNET_DEVICE(0x104A),
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	INTEL_E1000_ETHERNET_DEVICE(0x104B),
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	INTEL_E1000_ETHERNET_DEVICE(0x104C),
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	INTEL_E1000_ETHERNET_DEVICE(0x104D),
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	INTEL_E1000_ETHERNET_DEVICE(0x105E),
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	INTEL_E1000_ETHERNET_DEVICE(0x105F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1060),
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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(0x107D),
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	INTEL_E1000_ETHERNET_DEVICE(0x107E),
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	INTEL_E1000_ETHERNET_DEVICE(0x107F),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x108B),
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	INTEL_E1000_ETHERNET_DEVICE(0x108C),
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	INTEL_E1000_ETHERNET_DEVICE(0x1096),
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	INTEL_E1000_ETHERNET_DEVICE(0x1098),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x109A),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B9),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BA),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BB),
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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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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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/* Local Function Prototypes */
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_multi(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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static irqreturn_t e1000_intr(int irq, void *data, struct pt_regs *regs);
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static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_tx_ring *tx_ring);
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#ifdef CONFIG_E1000_NAPI
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static int e1000_clean(struct net_device *poll_dev, int *budget);
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring,
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                                    int *work_done, int work_to_do);
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static boolean_t e1000_clean_rx_irq_ps(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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#else
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring);
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static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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                                       struct e1000_rx_ring *rx_ring);
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#endif
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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_rx_buffers_ps(struct e1000_adapter *adapter,
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                                      struct e1000_rx_ring *rx_ring,
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				      int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct net_device *dev);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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#ifdef CONFIG_PM
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init
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e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_module_init(&e1000_driver);
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit
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e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter) // not called when EtherCAT
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{
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	struct net_device *netdev = adapter->netdev;
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	int flags, err = 0;
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	flags = IRQF_SHARED;
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#ifdef CONFIG_PCI_MSI
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	if (adapter->hw.mac_type > e1000_82547_rev_2) {
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		adapter->have_msi = TRUE;
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		if ((err = pci_enable_msi(adapter->pdev))) {
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			DPRINTK(PROBE, ERR,
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			 "Unable to allocate MSI interrupt Error: %d\n", err);
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			adapter->have_msi = FALSE;
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		}
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	}
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	if (adapter->have_msi)
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		flags &= ~IRQF_SHARED;
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#endif
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	if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags,
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	                       netdev->name, netdev)))
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		DPRINTK(PROBE, ERR,
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		        "Unable to allocate interrupt Error: %d\n", err);
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	return err;
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}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	free_irq(adapter->pdev->irq, netdev);
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#ifdef CONFIG_PCI_MSI
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	if (adapter->have_msi)
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		pci_disable_msi(adapter->pdev);
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#endif
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}
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/**
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 * e1000_irq_disable - Mask off interrupt generation on the NIC
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 * @adapter: board private structure
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 **/
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static void
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e1000_irq_disable(struct e1000_adapter *adapter)
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{
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	atomic_inc(&adapter->irq_sem);
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	E1000_WRITE_REG(&adapter->hw, IMC, ~0);
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	E1000_WRITE_FLUSH(&adapter->hw);
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	synchronize_irq(adapter->pdev->irq);
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   321
}
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/**
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 * e1000_irq_enable - Enable default interrupt generation settings
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   325
 * @adapter: board private structure
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 **/
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   328
static void
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e1000_irq_enable(struct e1000_adapter *adapter)
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{
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	if (!adapter->ecdev && likely(atomic_dec_and_test(&adapter->irq_sem))) {
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		E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);
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   333
		E1000_WRITE_FLUSH(&adapter->hw);
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   334
	}
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}
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   336
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   337
static void
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   338
e1000_update_mng_vlan(struct e1000_adapter *adapter)
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{
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   340
	struct net_device *netdev = adapter->netdev;
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   341
	uint16_t vid = adapter->hw.mng_cookie.vlan_id;
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   342
	uint16_t old_vid = adapter->mng_vlan_id;
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   343
	if (adapter->vlgrp) {
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		if (!adapter->vlgrp->vlan_devices[vid]) {
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   345
			if (adapter->hw.mng_cookie.status &
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				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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   347
				e1000_vlan_rx_add_vid(netdev, vid);
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   348
				adapter->mng_vlan_id = vid;
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   349
			} else
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				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   351
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   352
			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
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   353
					(vid != old_vid) &&
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   354
					!adapter->vlgrp->vlan_devices[old_vid])
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   355
				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   356
		} else
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   357
			adapter->mng_vlan_id = vid;
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   358
	}
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   359
}
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   360
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   361
/**
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   362
 * e1000_release_hw_control - release control of the h/w to f/w
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diff changeset
   363
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
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diff changeset
   364
 *
9feff35c9617 First version with e1000 driver (to be continued...)
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   365
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
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   366
 * For ASF and Pass Through versions of f/w this means that the
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   367
 * driver is no longer loaded. For AMT version (only with 82573) i
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parents:
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   368
 * of the f/w this means that the netowrk i/f is closed.
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   369
 *
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 **/
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   371
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   372
static void
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   373
e1000_release_hw_control(struct e1000_adapter *adapter)
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   374
{
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   375
	uint32_t ctrl_ext;
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   376
	uint32_t swsm;
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   377
	uint32_t extcnf;
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diff changeset
   378
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   379
	/* Let firmware taken over control of h/w */
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   380
	switch (adapter->hw.mac_type) {
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parents:
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   381
	case e1000_82571:
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parents:
diff changeset
   382
	case e1000_82572:
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parents:
diff changeset
   383
	case e1000_80003es2lan:
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   384
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   385
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   386
				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   387
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   388
	case e1000_82573:
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diff changeset
   389
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   390
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   391
				swsm & ~E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   392
	case e1000_ich8lan:
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parents:
diff changeset
   393
		extcnf = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   394
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   395
				extcnf & ~E1000_CTRL_EXT_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   396
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   397
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * e1000_get_hw_control - get control of the h/w from f/w
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
 * For ASF and Pass Through versions of f/w this means that
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
 * the driver is loaded. For AMT version (only with 82573)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
 * of the f/w this means that the netowrk i/f is open.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
e1000_get_hw_control(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	uint32_t ctrl_ext;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	uint32_t swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	uint32_t extcnf;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	/* Let firmware know the driver has taken over */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
				swsm | E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
		extcnf = E1000_READ_REG(&adapter->hw, EXTCNF_CTRL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		E1000_WRITE_REG(&adapter->hw, EXTCNF_CTRL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
				extcnf | E1000_EXTCNF_CTRL_SWFLAG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
e1000_up(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	/* hardware has been reset, we need to reload some things */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	e1000_set_multi(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	e1000_restore_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	e1000_configure_tx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	e1000_setup_rctl(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	e1000_configure_rx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	/* call E1000_DESC_UNUSED which always leaves
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	 * at least 1 descriptor unused to make sure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	 * next_to_use != next_to_clean */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	for (i = 0; i < adapter->num_rx_queues; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		adapter->alloc_rx_buf(adapter, ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		                      E1000_DESC_UNUSED(ring));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	adapter->tx_queue_len = netdev->tx_queue_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	mod_timer(&adapter->watchdog_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	if (!adapter->ecdev) netif_poll_enable(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
 * e1000_power_up_phy - restore link in case the phy was powered down
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
 * The phy may be powered down to save power and turn off link when the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
 * driver is unloaded and wake on lan is not enabled (among others)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
 * *** this routine MUST be followed by a call to e1000_reset ***
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
static void e1000_power_up_phy(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	uint16_t mii_reg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	/* Just clear the power down bit to wake the phy back up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	if (adapter->hw.media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		/* according to the manual, the phy will retain its
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		 * settings across a power-down/up cycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		mii_reg &= ~MII_CR_POWER_DOWN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
static void e1000_power_down_phy(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	boolean_t mng_mode_enabled = (adapter->hw.mac_type >= e1000_82571) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	                              e1000_check_mng_mode(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	/* Power down the PHY so no link is implied when interface is down
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	 * The PHY cannot be powered down if any of the following is TRUE
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	 * (a) WoL is enabled
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	 * (b) AMT is active
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	 * (c) SoL/IDER session is active */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	    adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	    adapter->hw.media_type == e1000_media_type_copper &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	    !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	    !mng_mode_enabled &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	    !e1000_check_phy_reset_block(&adapter->hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		uint16_t mii_reg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		mii_reg |= MII_CR_POWER_DOWN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		mdelay(1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
e1000_down(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	e1000_irq_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	del_timer_sync(&adapter->tx_fifo_stall_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	del_timer_sync(&adapter->watchdog_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	del_timer_sync(&adapter->phy_info_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	if (!adapter->ecdev) netif_poll_disable(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	netdev->tx_queue_len = adapter->tx_queue_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	adapter->link_speed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	adapter->link_duplex = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	e1000_clean_all_tx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	e1000_clean_all_rx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
e1000_reinit_locked(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	WARN_ON(in_interrupt());
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		msleep(1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	e1000_up(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	clear_bit(__E1000_RESETTING, &adapter->flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
e1000_reset(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	uint32_t pba, manc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	/* Repartition Pba for greater than 9k mtu
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	 * To take effect CTRL.RST is required.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	case e1000_82547:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	case e1000_82547_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		pba = E1000_PBA_30K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		pba = E1000_PBA_38K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		pba = E1000_PBA_12K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		pba = E1000_PBA_8K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		pba = E1000_PBA_48K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	if ((adapter->hw.mac_type != e1000_82573) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	   (adapter->netdev->mtu > E1000_RXBUFFER_8192))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		pba -= 8; /* allocate more FIFO for Tx */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	if (adapter->hw.mac_type == e1000_82547) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		adapter->tx_fifo_head = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		adapter->tx_fifo_size =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
			(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
		atomic_set(&adapter->tx_fifo_stall, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	E1000_WRITE_REG(&adapter->hw, PBA, pba);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	/* flow control settings */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	/* Set the FC high water mark to 90% of the FIFO size.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	 * Required to clear last 3 LSB */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	/* We can't use 90% on small FIFOs because the remainder
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	 * would be less than 1 full frame.  In this case, we size
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	 * it to allow at least a full frame above the high water
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	 *  mark. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	if (pba < E1000_PBA_16K)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		fc_high_water_mark = (pba * 1024) - 1600;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	adapter->hw.fc_high_water = fc_high_water_mark;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	adapter->hw.fc_low_water = fc_high_water_mark - 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	if (adapter->hw.mac_type == e1000_80003es2lan)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		adapter->hw.fc_pause_time = 0xFFFF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	adapter->hw.fc_send_xon = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	adapter->hw.fc = adapter->hw.original_fc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	/* Allow time for pending master requests to run */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	e1000_reset_hw(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	if (adapter->hw.mac_type >= e1000_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	if (e1000_init_hw(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		DPRINTK(PROBE, ERR, "Hardware Error\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	e1000_reset_adaptive(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	if (!adapter->smart_power_down &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	    (adapter->hw.mac_type == e1000_82571 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	     adapter->hw.mac_type == e1000_82572)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		uint16_t phy_data = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		/* speed up time to link by disabling smart power down, ignore
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		 * the return value of this function because there is nothing
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		 * different we would do if it failed */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		e1000_read_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		                   &phy_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		phy_data &= ~IGP02E1000_PM_SPD;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		e1000_write_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		                    phy_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	if (adapter->hw.mac_type < e1000_ich8lan)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	/* FIXME: this code is duplicate and wrong for PCI Express */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	if (adapter->en_mng_pt) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		manc = E1000_READ_REG(&adapter->hw, MANC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		manc |= (E1000_MANC_ARP_EN | E1000_MANC_EN_MNG2HOST);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
 * e1000_probe - Device Initialization Routine
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
 * @pdev: PCI device information struct
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
 * @ent: entry in e1000_pci_tbl
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
 * Returns 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
 * e1000_probe initializes an adapter identified by a pci_dev structure.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
 * The OS initialization, configuring of the adapter private structure,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
 * and a hardware reset occur.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
e1000_probe(struct pci_dev *pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
            const struct pci_device_id *ent)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	struct net_device *netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	struct e1000_adapter *adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	unsigned long mmio_start, mmio_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	unsigned long flash_start, flash_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	static int cards_found = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	static int e1000_ksp3_port_a = 0; /* global ksp3 port a indication */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	int i, err, pci_using_dac;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	uint16_t eeprom_data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	if ((err = pci_enable_device(pdev)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	    !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		pci_using_dac = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
			E1000_ERR("No usable DMA configuration, aborting\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		pci_using_dac = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	if ((err = pci_request_regions(pdev, e1000_driver_name)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	if (!netdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
		err = -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		goto err_alloc_etherdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	SET_MODULE_OWNER(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	SET_NETDEV_DEV(netdev, &pdev->dev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	pci_set_drvdata(pdev, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	adapter->netdev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	adapter->pdev = pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	adapter->hw.back = adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	adapter->msg_enable = (1 << debug) - 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	mmio_start = pci_resource_start(pdev, BAR_0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	mmio_len = pci_resource_len(pdev, BAR_0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	if (!adapter->hw.hw_addr) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		goto err_ioremap;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	for (i = BAR_1; i <= BAR_5; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		if (pci_resource_len(pdev, i) == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
			continue;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
			adapter->hw.io_base = pci_resource_start(pdev, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	netdev->open = &e1000_open;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	netdev->stop = &e1000_close;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	netdev->hard_start_xmit = &e1000_xmit_frame;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	netdev->get_stats = &e1000_get_stats;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	netdev->set_multicast_list = &e1000_set_multi;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	netdev->set_mac_address = &e1000_set_mac;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	netdev->change_mtu = &e1000_change_mtu;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	netdev->do_ioctl = &e1000_ioctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	e1000_set_ethtool_ops(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	netdev->tx_timeout = &e1000_tx_timeout;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	netdev->watchdog_timeo = 5 * HZ;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	netdev->poll = &e1000_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	netdev->weight = 64;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	netdev->vlan_rx_register = e1000_vlan_rx_register;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
#ifdef CONFIG_NET_POLL_CONTROLLER
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	netdev->poll_controller = e1000_netpoll;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	strcpy(netdev->name, pci_name(pdev));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	netdev->mem_start = mmio_start;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	netdev->mem_end = mmio_start + mmio_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	netdev->base_addr = adapter->hw.io_base;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	adapter->bd_number = cards_found;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	/* setup the private structure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	if ((err = e1000_sw_init(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		goto err_sw_init;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	/* Flash BAR mapping must happen after e1000_sw_init
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	 * because it depends on mac_type */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	if ((adapter->hw.mac_type == e1000_ich8lan) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		flash_start = pci_resource_start(pdev, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		flash_len = pci_resource_len(pdev, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		if (!adapter->hw.flash_address) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
			err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
			goto err_flashmap;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	if ((err = e1000_check_phy_reset_block(&adapter->hw)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	/* if ksp3, indicate if it's port a being setup */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	if (pdev->device == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
			e1000_ksp3_port_a == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		adapter->ksp3_port_a = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	e1000_ksp3_port_a++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	/* Reset for multiple KP3 adapters */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	if (e1000_ksp3_port_a == 4)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		e1000_ksp3_port_a = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	if (adapter->hw.mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		netdev->features = NETIF_F_SG |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
				   NETIF_F_HW_CSUM |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
				   NETIF_F_HW_VLAN_TX |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
				   NETIF_F_HW_VLAN_RX |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
				   NETIF_F_HW_VLAN_FILTER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		if (adapter->hw.mac_type == e1000_ich8lan)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	if ((adapter->hw.mac_type >= e1000_82544) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	   (adapter->hw.mac_type != e1000_82547))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		netdev->features |= NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
#ifdef NETIF_F_TSO_IPV6
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	if (adapter->hw.mac_type > e1000_82547_rev_2)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		netdev->features |= NETIF_F_TSO_IPV6;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	if (pci_using_dac)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		netdev->features |= NETIF_F_HIGHDMA;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	netdev->features |= NETIF_F_LLTX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	/* initialize eeprom parameters */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	if (e1000_init_eeprom_params(&adapter->hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
		E1000_ERR("EEPROM initialization failed\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	/* before reading the EEPROM, reset the controller to
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	 * put the device in a known good starting state */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	e1000_reset_hw(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	/* make sure the EEPROM is good */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		/* On some hardware the first attemp fails */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
			DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
			err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
			goto err_eeprom;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
			DPRINTK(PROBE, INFO, "The EEPROM Checksum failed in the first read, now OK\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	/* copy the MAC address out of the EEPROM */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	if (e1000_read_mac_addr(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	if (!is_valid_ether_addr(netdev->perm_addr)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		goto err_eeprom;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	e1000_read_part_num(&adapter->hw, &(adapter->part_num));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	e1000_get_bus_info(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	init_timer(&adapter->tx_fifo_stall_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	adapter->tx_fifo_stall_timer.data = (unsigned long) adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	init_timer(&adapter->watchdog_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	adapter->watchdog_timer.function = &e1000_watchdog;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	adapter->watchdog_timer.data = (unsigned long) adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	init_timer(&adapter->phy_info_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	adapter->phy_info_timer.function = &e1000_update_phy_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	adapter->phy_info_timer.data = (unsigned long) adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	INIT_WORK(&adapter->reset_task,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		(void (*)(void *))e1000_reset_task, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	/* we're going to reset, so assume we have no link for now */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	e1000_check_options(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	/* Initial Wake on LAN setting
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	 * If APM wake is enabled in the EEPROM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	 * enable the ACPI Magic Packet filter
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	case e1000_82542_rev2_0:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	case e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	case e1000_82543:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	case e1000_82544:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	case e1000_82546:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	case e1000_82546_rev_3:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
			e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		/* Fall Through */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	if (eeprom_data & eeprom_apme_mask)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		adapter->wol |= E1000_WUFC_MAG;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	/* print bus type/speed/width info */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		 "32-bit"));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	for (i = 0; i < 6; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	/* reset the hardware with the new settings */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	/* If the controller is 82573 and f/w is AMT, do not set
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	 * DRV_LOAD until the interface is up.  For all other cases,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	 * let the f/w know that the h/w is now under the control
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	 * of the driver. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	if (adapter->hw.mac_type != e1000_82573 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	    !e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	strcpy(netdev->name, "eth%d");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	if ((err = register_netdev(netdev)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		goto err_register;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	cards_found++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
err_register:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	if (adapter->hw.flash_address)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		iounmap(adapter->hw.flash_address);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
err_flashmap:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
err_sw_init:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
err_eeprom:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	iounmap(adapter->hw.hw_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
err_ioremap:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	free_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
err_alloc_etherdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	pci_release_regions(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
 * e1000_remove - Device Removal Routine
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
 * @pdev: PCI device information struct
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
 * e1000_remove is called by the PCI subsystem to alert the driver
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
 * that it should release a PCI device.  The could be caused by a
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
 * Hot-Plug event, or because the driver is going to be removed from
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
 * memory.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
static void __devexit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
e1000_remove(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	struct net_device *netdev = pci_get_drvdata(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	uint32_t manc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	flush_scheduled_work();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	if (adapter->hw.mac_type >= e1000_82540 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	   adapter->hw.media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		manc = E1000_READ_REG(&adapter->hw, MANC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		if (manc & E1000_MANC_SMBUS_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
			manc |= E1000_MANC_ARP_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			E1000_WRITE_REG(&adapter->hw, MANC, manc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	 * would have already happened in close and is redundant. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	unregister_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	for (i = 0; i < adapter->num_rx_queues; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		dev_put(&adapter->polling_netdev[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	if (!e1000_check_phy_reset_block(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		e1000_phy_hw_reset(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	kfree(adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	kfree(adapter->polling_netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	iounmap(adapter->hw.hw_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	if (adapter->hw.flash_address)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		iounmap(adapter->hw.flash_address);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	pci_release_regions(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	free_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	pci_disable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
 * @adapter: board private structure to initialize
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
 * e1000_sw_init initializes the Adapter private data structure.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
 * Fields are initialized based on PCI device information and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
 * OS network device settings (MTU size).
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
e1000_sw_init(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	/* PCI config space info */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	hw->vendor_id = pdev->vendor;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	hw->device_id = pdev->device;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	hw->subsystem_id = pdev->subsystem_device;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	hw->max_frame_size = netdev->mtu +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	/* identify the MAC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	if (e1000_set_mac_type(hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	switch (hw->mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	case e1000_82541:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	case e1000_82547:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	case e1000_82541_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	case e1000_82547_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		hw->phy_init_script = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	e1000_set_media_type(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	hw->wait_autoneg_complete = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	hw->tbi_compatibility_en = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	hw->adaptive_ifs = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	/* Copper options */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	if (hw->media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
		hw->mdix = AUTO_ALL_MODES;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		hw->disable_polarity_correction = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		hw->master_slave = E1000_MASTER_SLAVE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	adapter->num_tx_queues = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	adapter->num_rx_queues = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	if (e1000_alloc_queues(adapter)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	for (i = 0; i < adapter->num_rx_queues; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		adapter->polling_netdev[i].priv = adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		adapter->polling_netdev[i].poll = &e1000_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		adapter->polling_netdev[i].weight = 64;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		dev_hold(&adapter->polling_netdev[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	spin_lock_init(&adapter->tx_queue_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	atomic_set(&adapter->irq_sem, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	spin_lock_init(&adapter->stats_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
 * e1000_alloc_queues - Allocate memory for all rings
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
 * @adapter: board private structure to initialize
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
 * We allocate one ring per queue at run-time since we don't know the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
 * number of queues at compile-time.  The polling_netdev array is
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
 * intended for Multiqueue, but should work fine with a single queue.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
e1000_alloc_queues(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	adapter->tx_ring = kmalloc(size, GFP_KERNEL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	if (!adapter->tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	memset(adapter->tx_ring, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	adapter->rx_ring = kmalloc(size, GFP_KERNEL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	if (!adapter->rx_ring) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	memset(adapter->rx_ring, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	size = sizeof(struct net_device) * adapter->num_rx_queues;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	adapter->polling_netdev = kmalloc(size, GFP_KERNEL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	if (!adapter->polling_netdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		kfree(adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	memset(adapter->polling_netdev, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
 * e1000_open - Called when a network interface is made active
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
 * Returns 0 on success, negative value on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
 * The open entry point is called when a network interface is made
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 * active by the system (IFF_UP).  At this point all resources needed
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 * for transmit and receive operations are allocated, the interrupt
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 * handler is registered with the OS, the watchdog timer is started,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 * and the stack is notified that the interface is ready.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
e1000_open(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	int err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	/* disallow open during test */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	if (test_bit(__E1000_DRIVER_TESTING, &adapter->flags))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		return -EBUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	/* allocate transmit descriptors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	if ((err = e1000_setup_all_tx_resources(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		goto err_setup_tx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	/* allocate receive descriptors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	if ((err = e1000_setup_all_rx_resources(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		goto err_setup_rx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
    if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		err = e1000_request_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		if (err)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			goto err_up;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	e1000_power_up_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	if ((err = e1000_up(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		goto err_up;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	/* If AMT is enabled, let the firmware know that the network
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	 * interface is now open */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	if (adapter->hw.mac_type == e1000_82573 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	    e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
err_up:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	e1000_free_all_rx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
err_setup_rx:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	e1000_free_all_tx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
err_setup_tx:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
 * e1000_close - Disables a network interface
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 * Returns 0, this is not allowed to fail
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
 * The close entry point is called when an interface is de-activated
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
 * by the OS.  The hardware is still under the drivers control, but
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
 * needs to be disabled.  A global MAC reset is issued to stop the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 * hardware, and all transmit and receive resources are freed.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
e1000_close(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	e1000_power_down_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	e1000_free_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	e1000_free_all_tx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	e1000_free_all_rx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	/* If AMT is enabled, let the firmware know that the network
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	 * interface is now closed */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	if (adapter->hw.mac_type == e1000_82573 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	    e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 * @start: address of beginning of memory
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 * @len: length of memory
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
e1000_check_64k_bound(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		      void *start, unsigned long len)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	unsigned long begin = (unsigned long) start;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	unsigned long end = begin + len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	/* First rev 82545 and 82546 need to not allow any memory
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	 * write location to cross 64k boundary due to errata 23 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	if (adapter->hw.mac_type == e1000_82545 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	    adapter->hw.mac_type == e1000_82546) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 * @txdr:    tx descriptor ring (for a specific queue) to setup
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
 * Return 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
e1000_setup_tx_resources(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
                         struct e1000_tx_ring *txdr)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	size = sizeof(struct e1000_buffer) * txdr->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	txdr->buffer_info = vmalloc(size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	if (!txdr->buffer_info) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		"Unable to allocate memory for the transmit descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	memset(txdr->buffer_info, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	/* round up to nearest 4K */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	E1000_ROUNDUP(txdr->size, 4096);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	if (!txdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
setup_tx_desc_die:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		vfree(txdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		"Unable to allocate memory for the transmit descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	/* Fix for errata 23, can't cross 64kB boundary */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		void *olddesc = txdr->desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
		dma_addr_t olddma = txdr->dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
				     "at %p\n", txdr->size, txdr->desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
		/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		if (!txdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			goto setup_tx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
			/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
			pci_free_consistent(pdev, txdr->size, txdr->desc,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
					    txdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
				"Unable to allocate aligned memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
				"for the transmit descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
			vfree(txdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
			return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
			/* Free old allocation, new allocation was successful */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	memset(txdr->desc, 0, txdr->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	txdr->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	txdr->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	spin_lock_init(&txdr->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 * 				  (Descriptors) for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 * If this function returns with an error, then it's possible one or
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 * more of the rings is populated (while the rest are not).  It is the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 * callers duty to clean those orphaned rings.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 * Return 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	int i, err = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	for (i = 0; i < adapter->num_tx_queues; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		if (err) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
				"Allocation for Tx Queue %u failed\n", i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
 * Configure the Tx unit of the MAC after a reset.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
e1000_configure_tx(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	uint64_t tdba;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	uint32_t tdlen, tctl, tipg, tarc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	uint32_t ipgr1, ipgr2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	/* Setup the HW Tx Head and Tail descriptor pointers */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	switch (adapter->num_tx_queues) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		tdba = adapter->tx_ring[0].dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		tdlen = adapter->tx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
			sizeof(struct e1000_tx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		E1000_WRITE_REG(hw, TDLEN, tdlen);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		E1000_WRITE_REG(hw, TDBAH, (tdba >> 32));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		E1000_WRITE_REG(hw, TDT, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		E1000_WRITE_REG(hw, TDH, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	/* Set the default values for the Tx Inter Packet Gap timer */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	if (hw->media_type == e1000_media_type_fiber ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	    hw->media_type == e1000_media_type_internal_serdes)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	switch (hw->mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	case e1000_82542_rev2_0:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	case e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		tipg = DEFAULT_82542_TIPG_IPGT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	E1000_WRITE_REG(hw, TIPG, tipg);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	/* Set the Tx Interrupt Delay register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	if (hw->mac_type >= e1000_82540)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
		E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	/* Program the Transmit Control Register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	tctl = E1000_READ_REG(hw, TCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	tctl &= ~E1000_TCTL_CT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
#ifdef DISABLE_MULR
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	/* disable Multiple Reads for debugging */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	tctl &= ~E1000_TCTL_MULR;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		tarc = E1000_READ_REG(hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		tarc |= ((1 << 25) | (1 << 21));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
		E1000_WRITE_REG(hw, TARC0, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		tarc = E1000_READ_REG(hw, TARC1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		tarc |= (1 << 25);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		if (tctl & E1000_TCTL_MULR)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
			tarc &= ~(1 << 28);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
			tarc |= (1 << 28);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		E1000_WRITE_REG(hw, TARC1, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	} else if (hw->mac_type == e1000_80003es2lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		tarc = E1000_READ_REG(hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		tarc |= 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		if (hw->media_type == e1000_media_type_internal_serdes)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			tarc |= (1 << 20);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		E1000_WRITE_REG(hw, TARC0, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		tarc = E1000_READ_REG(hw, TARC1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		tarc |= 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		E1000_WRITE_REG(hw, TARC1, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	e1000_config_collision_dist(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	/* Setup Transmit Descriptor Settings for eop descriptor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	adapter->txd_cmd = E1000_TXD_CMD_IDE | E1000_TXD_CMD_EOP |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		E1000_TXD_CMD_IFCS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	if (hw->mac_type < e1000_82543)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	/* Cache if we're 82544 running in PCI-X because we'll
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	 * need this to apply a workaround later in the send path. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	if (hw->mac_type == e1000_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	    hw->bus_type == e1000_bus_type_pcix)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		adapter->pcix_82544 = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	E1000_WRITE_REG(hw, TCTL, tctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
 * Returns 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
e1000_setup_rx_resources(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
                         struct e1000_rx_ring *rxdr)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	int size, desc_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	size = sizeof(struct e1000_buffer) * rxdr->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	rxdr->buffer_info = vmalloc(size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	if (!rxdr->buffer_info) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		"Unable to allocate memory for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	memset(rxdr->buffer_info, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	size = sizeof(struct e1000_ps_page) * rxdr->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	rxdr->ps_page = kmalloc(size, GFP_KERNEL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	if (!rxdr->ps_page) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		"Unable to allocate memory for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	memset(rxdr->ps_page, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	size = sizeof(struct e1000_ps_page_dma) * rxdr->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	rxdr->ps_page_dma = kmalloc(size, GFP_KERNEL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	if (!rxdr->ps_page_dma) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		kfree(rxdr->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		"Unable to allocate memory for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	memset(rxdr->ps_page_dma, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	if (adapter->hw.mac_type <= e1000_82547_rev_2)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		desc_len = sizeof(struct e1000_rx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		desc_len = sizeof(union e1000_rx_desc_packet_split);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	/* Round up to nearest 4K */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	rxdr->size = rxdr->count * desc_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	E1000_ROUNDUP(rxdr->size, 4096);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	if (!rxdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		"Unable to allocate memory for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
setup_rx_desc_die:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		kfree(rxdr->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		kfree(rxdr->ps_page_dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	/* Fix for errata 23, can't cross 64kB boundary */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		void *olddesc = rxdr->desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		dma_addr_t olddma = rxdr->dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
				     "at %p\n", rxdr->size, rxdr->desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		if (!rxdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
				"Unable to allocate memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
				"for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
			goto setup_rx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
			/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
					    rxdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
				"Unable to allocate aligned memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
				"for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
			goto setup_rx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			/* Free old allocation, new allocation was successful */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	memset(rxdr->desc, 0, rxdr->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	rxdr->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	rxdr->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 * 				  (Descriptors) for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
 * If this function returns with an error, then it's possible one or
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
 * more of the rings is populated (while the rest are not).  It is the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
 * callers duty to clean those orphaned rings.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
 * Return 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	int i, err = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	for (i = 0; i < adapter->num_rx_queues; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		if (err) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
				"Allocation for Rx Queue %u failed\n", i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
 * e1000_setup_rctl - configure the receive control registers
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
 * @adapter: Board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
e1000_setup_rctl(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	uint32_t rctl, rfctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	uint32_t psrctl = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	uint32_t pages = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	if (adapter->hw.tbi_compatibility_on == 1)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		rctl |= E1000_RCTL_SBP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		rctl &= ~E1000_RCTL_SBP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		rctl &= ~E1000_RCTL_LPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		rctl |= E1000_RCTL_LPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	/* Setup buffer sizes */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	rctl &= ~E1000_RCTL_SZ_4096;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	rctl |= E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	switch (adapter->rx_buffer_len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		case E1000_RXBUFFER_256:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
			rctl |= E1000_RCTL_SZ_256;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
		case E1000_RXBUFFER_512:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
			rctl |= E1000_RCTL_SZ_512;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		case E1000_RXBUFFER_1024:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
			rctl |= E1000_RCTL_SZ_1024;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		case E1000_RXBUFFER_2048:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
			rctl |= E1000_RCTL_SZ_2048;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		case E1000_RXBUFFER_4096:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
			rctl |= E1000_RCTL_SZ_4096;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		case E1000_RXBUFFER_8192:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
			rctl |= E1000_RCTL_SZ_8192;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		case E1000_RXBUFFER_16384:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
			rctl |= E1000_RCTL_SZ_16384;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	/* 82571 and greater support packet-split where the protocol
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	 * header is placed in skb->data and the packet data is
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	 * In the case of a non-split, skb->data is linearly filled,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	 * followed by the page buffers.  Therefore, skb->data is
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	 * sized to hold the largest protocol header.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	if ((adapter->hw.mac_type > e1000_82547_rev_2) && (pages <= 3) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	    PAGE_SIZE <= 16384)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		adapter->rx_ps_pages = pages;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		adapter->rx_ps_pages = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	if (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		/* Configure extra packet-split registers */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		rfctl = E1000_READ_REG(&adapter->hw, RFCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		rfctl |= E1000_RFCTL_EXTEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		/* disable IPv6 packet split support */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		rfctl |= E1000_RFCTL_IPV6_DIS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		rctl |= E1000_RCTL_DTYP_PS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		psrctl |= adapter->rx_ps_bsize0 >>
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
			E1000_PSRCTL_BSIZE0_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		switch (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		case 3:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
			psrctl |= PAGE_SIZE <<
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
				E1000_PSRCTL_BSIZE3_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		case 2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
			psrctl |= PAGE_SIZE <<
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
				E1000_PSRCTL_BSIZE2_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
			psrctl |= PAGE_SIZE >>
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
				E1000_PSRCTL_BSIZE1_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
 * Configure the Rx unit of the MAC after a reset.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
e1000_configure_rx(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	uint64_t rdba;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	uint32_t rdlen, rctl, rxcsum, ctrl_ext;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	if (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		/* this is a 32 byte descriptor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		rdlen = adapter->rx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
			sizeof(union e1000_rx_desc_packet_split);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		adapter->clean_rx = e1000_clean_rx_irq_ps;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
		rdlen = adapter->rx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
			sizeof(struct e1000_rx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		adapter->clean_rx = e1000_clean_rx_irq;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	/* disable receives while setting up the descriptors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	/* set the Receive Delay Timer Register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	if (hw->mac_type >= e1000_82540) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		if (adapter->itr > 1)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
			E1000_WRITE_REG(hw, ITR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
				1000000000 / (adapter->itr * 256));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	if (hw->mac_type >= e1000_82571) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		/* Reset delay timers after every interrupt */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		/* Auto-Mask interrupts upon ICR read. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		ctrl_ext |= E1000_CTRL_EXT_IAME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
		E1000_WRITE_REG(hw, IAM, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	 * the Base and Length of the Rx Descriptor Ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	switch (adapter->num_rx_queues) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
		rdba = adapter->rx_ring[0].dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
		E1000_WRITE_REG(hw, RDLEN, rdlen);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		E1000_WRITE_REG(hw, RDBAH, (rdba >> 32));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		E1000_WRITE_REG(hw, RDT, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		E1000_WRITE_REG(hw, RDH, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	if (hw->mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		rxcsum = E1000_READ_REG(hw, RXCSUM);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		if (adapter->rx_csum == TRUE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
			rxcsum |= E1000_RXCSUM_TUOFL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			/* Enable 82571 IPv4 payload checksum for UDP fragments
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			 * Must be used in conjunction with packet-split. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			if ((hw->mac_type >= e1000_82571) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
			    (adapter->rx_ps_pages)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
				rxcsum |= E1000_RXCSUM_IPPCSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
			rxcsum &= ~E1000_RXCSUM_TUOFL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
			/* don't need to clear IPPCSE as it defaults to 0 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		E1000_WRITE_REG(hw, RXCSUM, rxcsum);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	/* Enable Receives */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	E1000_WRITE_REG(hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
 * e1000_free_tx_resources - Free Tx Resources per Queue
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
 * @tx_ring: Tx descriptor ring for a specific queue
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
 * Free all transmit software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
e1000_free_tx_resources(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
                        struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	e1000_clean_tx_ring(adapter, tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	vfree(tx_ring->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	tx_ring->buffer_info = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	tx_ring->desc = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 * Free all transmit software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
e1000_free_all_tx_resources(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	for (i = 0; i < adapter->num_tx_queues; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
			struct e1000_buffer *buffer_info)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	if (buffer_info->dma) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		pci_unmap_page(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
				buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
				buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
				PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	if (buffer_info->skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		dev_kfree_skb_any(buffer_info->skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	memset(buffer_info, 0, sizeof(struct e1000_buffer));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
 * e1000_clean_tx_ring - Free Tx Buffers
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
 * @tx_ring: ring to be cleaned
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
e1000_clean_tx_ring(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
                    struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	unsigned long size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	/* Free all the Tx ring sk_buffs */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	for (i = 0; i < tx_ring->count; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	size = sizeof(struct e1000_buffer) * tx_ring->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	memset(tx_ring->buffer_info, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	/* Zero out the descriptor ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	memset(tx_ring->desc, 0, tx_ring->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	tx_ring->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	tx_ring->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
	tx_ring->last_tx_tso = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	writel(0, adapter->hw.hw_addr + tx_ring->tdh);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	writel(0, adapter->hw.hw_addr + tx_ring->tdt);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	for (i = 0; i < adapter->num_tx_queues; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
 * e1000_free_rx_resources - Free Rx Resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
 * @rx_ring: ring to clean the resources from
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
 * Free all receive software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
e1000_free_rx_resources(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
                        struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	e1000_clean_rx_ring(adapter, rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	vfree(rx_ring->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	rx_ring->buffer_info = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	kfree(rx_ring->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	rx_ring->ps_page = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	kfree(rx_ring->ps_page_dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	rx_ring->ps_page_dma = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	rx_ring->desc = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
 * Free all receive software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
e1000_free_all_rx_resources(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	for (i = 0; i < adapter->num_rx_queues; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 * @rx_ring: ring to free buffers from
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
e1000_clean_rx_ring(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
                    struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	struct e1000_ps_page_dma *ps_page_dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	unsigned long size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	/* Free all the Rx ring sk_buffs */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	for (i = 0; i < rx_ring->count; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
		buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
		if (buffer_info->skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
			pci_unmap_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
					 buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
					 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
					 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
			dev_kfree_skb(buffer_info->skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
			buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		ps_page = &rx_ring->ps_page[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		ps_page_dma = &rx_ring->ps_page_dma[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		for (j = 0; j < adapter->rx_ps_pages; j++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
			if (!ps_page->ps_page[j]) break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
			pci_unmap_page(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
				       ps_page_dma->ps_page_dma[j],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
			ps_page_dma->ps_page_dma[j] = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
			put_page(ps_page->ps_page[j]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
			ps_page->ps_page[j] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	size = sizeof(struct e1000_buffer) * rx_ring->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	memset(rx_ring->buffer_info, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	size = sizeof(struct e1000_ps_page) * rx_ring->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	memset(rx_ring->ps_page, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	size = sizeof(struct e1000_ps_page_dma) * rx_ring->count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	memset(rx_ring->ps_page_dma, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	/* Zero out the descriptor ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	memset(rx_ring->desc, 0, rx_ring->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	rx_ring->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	rx_ring->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	writel(0, adapter->hw.hw_addr + rx_ring->rdh);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	writel(0, adapter->hw.hw_addr + rx_ring->rdt);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	for (i = 0; i < adapter->num_rx_queues; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 * and memory write and invalidate disabled for certain operations
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
e1000_enter_82542_rst(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	e1000_pci_clear_mwi(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	rctl |= E1000_RCTL_RST;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	mdelay(5);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	if (!adapter->ecdev || netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
		e1000_clean_all_rx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
e1000_leave_82542_rst(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	rctl &= ~E1000_RCTL_RST;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	mdelay(5);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
		e1000_pci_set_mwi(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	if (!adapter->ecdev || netif_running(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		/* No need to loop, because 82542 supports only 1 queue */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
		e1000_configure_rx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
 * e1000_set_mac - Change the Ethernet Address of the NIC
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 * @p: pointer to an address structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 * Returns 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
e1000_set_mac(struct net_device *netdev, void *p)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	struct sockaddr *addr = p;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	if (!is_valid_ether_addr(addr->sa_data))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
		return -EADDRNOTAVAIL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	/* 82542 2.0 needs to be in reset to write receive address registers */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
		e1000_enter_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	/* With 82571 controllers, LAA may be overwritten (with the default)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
	 * due to controller reset from the other port. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	if (adapter->hw.mac_type == e1000_82571) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
		/* activate the work around */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
		adapter->hw.laa_is_present = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
		/* Hold a copy of the LAA in RAR[14] This is done so that
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
		 * between the time RAR[0] gets clobbered  and the time it
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
		 * of the RARs and no incoming packets directed to this port
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		 * are dropped. Eventaully the LAA will be in RAR[0] and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
		 * RAR[14] */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
					E1000_RAR_ENTRIES - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
		e1000_leave_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
 * e1000_set_multi - Multicast and Promiscuous mode set
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
 * The set_multi entry point is called whenever the multicast address
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
 * list or the network interface flags are updated.  This routine is
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 * responsible for configuring the hardware for proper multicast,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 * promiscuous mode, and all-multi behavior.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
e1000_set_multi(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	struct dev_mc_list *mc_ptr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	uint32_t hash_value;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	int i, rar_entries = E1000_RAR_ENTRIES;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
				E1000_NUM_MTA_REGISTERS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	if (adapter->hw.mac_type == e1000_ich8lan)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	/* reserve RAR[14] for LAA over-write work-around */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	if (adapter->hw.mac_type == e1000_82571)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		rar_entries--;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	/* Check for Promiscuous and All Multicast modes */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	if (netdev->flags & IFF_PROMISC) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	} else if (netdev->flags & IFF_ALLMULTI) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		rctl |= E1000_RCTL_MPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
		rctl &= ~E1000_RCTL_UPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
		rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	E1000_WRITE_REG(hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	/* 82542 2.0 needs to be in reset to write receive address registers */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	if (hw->mac_type == e1000_82542_rev2_0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		e1000_enter_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	/* load the first 14 multicast address into the exact filters 1-14
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	 * RAR 0 is used for the station MAC adddress
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	 * if there are not 14 addresses, go ahead and clear the filters
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	 * -- with 82571 controllers only 0-13 entries are filled here
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	mc_ptr = netdev->mc_list;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	for (i = 1; i < rar_entries; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
		if (mc_ptr) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
			e1000_rar_set(hw, mc_ptr->dmi_addr, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
			mc_ptr = mc_ptr->next;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
			E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
			E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	/* clear the old settings from the multicast hash table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	for (i = 0; i < mta_reg_count; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	/* load any remaining addresses into the hash table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->dmi_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
		e1000_mta_set(hw, hash_value);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	if (hw->mac_type == e1000_82542_rev2_0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		e1000_leave_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
/* Need to wait a few seconds after link up to get diagnostic information from
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 * the phy */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
e1000_update_phy_info(unsigned long data)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
 * e1000_82547_tx_fifo_stall - Timer Call-back
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 * @data: pointer to adapter cast into an unsigned long
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
e1000_82547_tx_fifo_stall(unsigned long data)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	uint32_t tctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	if (atomic_read(&adapter->tx_fifo_stall)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
		if ((E1000_READ_REG(&adapter->hw, TDT) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
		    E1000_READ_REG(&adapter->hw, TDH)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
		   (E1000_READ_REG(&adapter->hw, TDFT) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		    E1000_READ_REG(&adapter->hw, TDFH)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
		   (E1000_READ_REG(&adapter->hw, TDFTS) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		    E1000_READ_REG(&adapter->hw, TDFHS))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
			E1000_WRITE_REG(&adapter->hw, TCTL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
					tctl & ~E1000_TCTL_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			E1000_WRITE_REG(&adapter->hw, TDFT,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
			E1000_WRITE_REG(&adapter->hw, TDFH,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			E1000_WRITE_REG(&adapter->hw, TDFTS,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			E1000_WRITE_REG(&adapter->hw, TDFHS,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
			adapter->tx_fifo_head = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
			atomic_set(&adapter->tx_fifo_stall, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
			if (!adapter->ecdev) netif_wake_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
 * e1000_watchdog - Timer Call-back
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
 * @data: pointer to adapter cast into an unsigned long
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
e1000_watchdog(unsigned long data)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	struct e1000_tx_ring *txdr = adapter->tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	uint32_t link, tctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	int32_t ret_val;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	ret_val = e1000_check_for_link(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	if ((ret_val == E1000_ERR_PHY) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	    (adapter->hw.phy_type == e1000_phy_igp_3) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	    (E1000_READ_REG(&adapter->hw, CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
		/* See e1000_kumeran_lock_loss_workaround() */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		DPRINTK(LINK, INFO,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
			"Gigabit has been disabled, downgrading speed\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	if (adapter->hw.mac_type == e1000_82573) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		e1000_enable_tx_pkt_filtering(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
			e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	if ((adapter->hw.media_type == e1000_media_type_internal_serdes) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	   !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		link = !adapter->hw.serdes_link_down;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	if (link) {
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2371
		if ((adapter->ecdev && !ecdev_link_up(adapter->ecdev))
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2372
                || (!adapter->ecdev && !netif_carrier_ok(netdev))) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			boolean_t txb2b = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
			e1000_get_speed_and_duplex(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
			                           &adapter->link_speed,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
			                           &adapter->link_duplex);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s\n",
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			       adapter->link_speed,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
			       adapter->link_duplex == FULL_DUPLEX ?
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
			       "Full Duplex" : "Half Duplex");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			/* tweak tx_queue_len according to speed/duplex
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			 * and adjust the timeout factor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			netdev->tx_queue_len = adapter->tx_queue_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
			adapter->tx_timeout_factor = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
			switch (adapter->link_speed) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
			case SPEED_10:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
				txb2b = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
				netdev->tx_queue_len = 10;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
				adapter->tx_timeout_factor = 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
			case SPEED_100:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
				txb2b = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
				netdev->tx_queue_len = 100;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
				/* maybe add some timeout factor ? */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
			if ((adapter->hw.mac_type == e1000_82571 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
			     adapter->hw.mac_type == e1000_82572) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
			    txb2b == 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
#define SPEED_MODE_BIT (1 << 21)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
				uint32_t tarc0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
				tarc0 = E1000_READ_REG(&adapter->hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
				tarc0 &= ~SPEED_MODE_BIT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
				E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
				
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
			/* disable TSO for pcie and 10/100 speeds, to avoid
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
			 * some hardware issues */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
			if (!adapter->tso_force &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			    adapter->hw.bus_type == e1000_bus_type_pci_express){
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
				switch (adapter->link_speed) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
				case SPEED_10:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
				case SPEED_100:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
					DPRINTK(PROBE,INFO,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
				        "10/100 speed: disabling TSO\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
					netdev->features &= ~NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
				case SPEED_1000:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
					netdev->features |= NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
				default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
					/* oops */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
			/* enable transmits in the hardware, need to do this
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
			 * after setting TARC0 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
			tctl |= E1000_TCTL_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2438
			if (adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2439
                ecdev_link_state(1);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2440
            } else {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2441
                netif_carrier_on(netdev);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2442
                netif_wake_queue(netdev);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2443
            }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
			mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
			adapter->smartspeed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	} else {
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2448
		if ((adapter->ecdev && ecdev_link_up(adapter->ecdev))
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2449
                || (!adapter->ecdev && netif_carrier_ok(netdev))) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
			adapter->link_speed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
			adapter->link_duplex = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2453
            if (adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2454
                ecdev_link_state(0);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2455
            } else {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2456
                netif_carrier_off(netdev);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2457
                netif_stop_queue(netdev);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2458
            }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
			mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
			/* 80003ES2LAN workaround--
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
			 * For packet buffer work-around on link down event;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
			 * disable receives in the ISR and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			 * reset device here in the watchdog
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			if (adapter->hw.mac_type == e1000_80003es2lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
				/* reset device */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
				schedule_work(&adapter->reset_task);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		e1000_smartspeed(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	e1000_update_stats(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	adapter->hw.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	adapter->tpt_old = adapter->stats.tpt;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	adapter->hw.collision_delta = adapter->stats.colc - adapter->colc_old;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	adapter->colc_old = adapter->stats.colc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	adapter->gorcl_old = adapter->stats.gorcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	adapter->gotcl_old = adapter->stats.gotcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	e1000_update_adaptive(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2489
	if ((adapter->ecdev && !ecdev_link_up(adapter->ecdev))
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2490
            || (!adapter->ecdev && !netif_carrier_ok(netdev))) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
			/* We've lost link, so the controller stops DMA,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
			 * but we've got queued Tx work that's never going
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
			 * to get done, so reset controller to flush Tx.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
			 * (Do the reset outside of interrupt context). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
			adapter->tx_timeout_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
			schedule_work(&adapter->reset_task);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	/* Dynamic mode for Interrupt Throttle Rate (ITR) */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	if (adapter->hw.mac_type >= e1000_82540 && adapter->itr == 1) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		/* Symmetric Tx/Rx gets a reduced ITR=2000; Total
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		 * asymmetrical Tx or Rx gets ITR=8000; everyone
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		 * else is between 2000-8000. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		uint32_t goc = (adapter->gotcl + adapter->gorcl) / 10000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		uint32_t dif = (adapter->gotcl > adapter->gorcl ?
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
			adapter->gotcl - adapter->gorcl :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
			adapter->gorcl - adapter->gotcl) / 10000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		uint32_t itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		E1000_WRITE_REG(&adapter->hw, ITR, 1000000000 / (itr * 256));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	/* Cause software interrupt to ensure rx ring is cleaned */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	/* Force detection of hung controller every watchdog period */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	adapter->detect_tx_hung = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	/* With 82571 controllers, LAA may be overwritten due to controller
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	/* Reset the timer */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
#define E1000_TX_FLAGS_CSUM		0x00000001
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
#define E1000_TX_FLAGS_VLAN		0x00000002
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
#define E1000_TX_FLAGS_TSO		0x00000004
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
#define E1000_TX_FLAGS_IPV4		0x00000008
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
#define E1000_TX_FLAGS_VLAN_SHIFT	16
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
          struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	struct e1000_context_desc *context_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	uint32_t cmd_length = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	uint16_t ipcse = 0, tucse, mss;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	uint8_t ipcss, ipcso, tucss, tucso, hdr_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	int err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	if (skb_is_gso(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		if (skb_header_cloned(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
			if (err)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
				return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		mss = skb_shinfo(skb)->gso_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		if (skb->protocol == htons(ETH_P_IP)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
			skb->nh.iph->tot_len = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
			skb->nh.iph->check = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			skb->h.th->check =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
				~csum_tcpudp_magic(skb->nh.iph->saddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
						   skb->nh.iph->daddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
						   0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
						   IPPROTO_TCP,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
						   0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			cmd_length = E1000_TXD_CMD_IP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			ipcse = skb->h.raw - skb->data - 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
#ifdef NETIF_F_TSO_IPV6
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		} else if (skb->protocol == ntohs(ETH_P_IPV6)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			skb->nh.ipv6h->payload_len = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			skb->h.th->check =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
				~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
						 &skb->nh.ipv6h->daddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
						 0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
						 IPPROTO_TCP,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
						 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			ipcse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		ipcss = skb->nh.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
		tucss = skb->h.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		tucse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
		i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
		buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		context_desc->upper_setup.tcp_fields.tucss = tucss;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
		context_desc->upper_setup.tcp_fields.tucso = tucso;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		if (++i == tx_ring->count) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
		tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	return FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
              struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	struct e1000_context_desc *context_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	uint8_t css;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	if (likely(skb->ip_summed == CHECKSUM_HW)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		css = skb->h.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
		i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
		buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		context_desc->upper_setup.tcp_fields.tucss = css;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
		context_desc->upper_setup.tcp_fields.tucso = css + skb->csum;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		context_desc->upper_setup.tcp_fields.tucse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		context_desc->tcp_seg_setup.data = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		if (unlikely(++i == tx_ring->count)) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	return FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
#define E1000_MAX_TXD_PWR	12
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
             struct sk_buff *skb, unsigned int first, unsigned int max_per_txd,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
             unsigned int nr_frags, unsigned int mss)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	unsigned int len = skb->len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	unsigned int offset = 0, size, count = 0, i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	unsigned int f;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	len -= skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	while (len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
		buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		size = min(len, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		/* Workaround for Controller erratum --
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		 * descriptor for non-tso packet in a linear SKB that follows a
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
		 * tso gets written back prematurely before the data is fully
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		 * DMA'd to the controller */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		if (!skb->data_len && tx_ring->last_tx_tso &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
		    !skb_is_gso(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
			tx_ring->last_tx_tso = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		/* Workaround for premature desc write-backs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		 * in TSO mode.  Append 4-byte sentinel desc */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
		if (unlikely(mss && !nr_frags && size == len && size > 8))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		/* work-around for errata 10 and it applies
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		 * to all controllers in PCI-X mode
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		 * The fix is to make sure that the first descriptor of a
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		                (size > 2015) && count == 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		        size = 2015;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
		 * terminating buffers within evenly-aligned dwords. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		if (unlikely(adapter->pcix_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
		   size > 4))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		buffer_info->length = size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		buffer_info->dma =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
			pci_map_single(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
				skb->data + offset,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
				size,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
				PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		len -= size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		offset += size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		if (unlikely(++i == tx_ring->count)) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	for (f = 0; f < nr_frags; f++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		struct skb_frag_struct *frag;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		frag = &skb_shinfo(skb)->frags[f];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		len = frag->size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		offset = frag->page_offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		while (len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
			buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
			size = min(len, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
			/* Workaround for premature desc write-backs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
			 * in TSO mode.  Append 4-byte sentinel desc */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
				size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
			/* Workaround for potential 82544 hang in PCI-X.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
			 * Avoid terminating buffers within evenly-aligned
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
			 * dwords. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
			if (unlikely(adapter->pcix_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
			   size > 4))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
				size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
			buffer_info->length = size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
			buffer_info->dma =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
				pci_map_page(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
					frag->page,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
					offset,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
					size,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
					PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
			buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
			len -= size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
			offset += size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
			count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
			if (unlikely(++i == tx_ring->count)) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	tx_ring->buffer_info[i].skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	tx_ring->buffer_info[first].next_to_watch = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	return count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
               int tx_flags, int count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	struct e1000_tx_desc *tx_desc = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	uint32_t txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		             E1000_TXD_CMD_TSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		txd_lower |= E1000_TXD_CMD_VLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	while (count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		tx_desc = E1000_TX_DESC(*tx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		tx_desc->lower.data =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
			cpu_to_le32(txd_lower | buffer_info->length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		tx_desc->upper.data = cpu_to_le32(txd_upper);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		if (unlikely(++i == tx_ring->count)) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	/* Force memory writes to complete before letting h/w
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	 * know there are new descriptors to fetch.  (Only
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	 * applicable for weak-ordered memory model archs,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	writel(i, adapter->hw.hw_addr + tx_ring->tdt);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
 * 82547 workaround to avoid controller hang in half-duplex environment.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
 * The workaround is to avoid queuing a large packet that would span
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
 * the internal Tx FIFO ring boundary by notifying the stack to resend
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
 * to the beginning of the Tx FIFO.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
#define E1000_FIFO_HDR			0x10
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
#define E1000_82547_PAD_LEN		0x3E0
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	uint32_t skb_fifo_len = skb->len + E1000_FIFO_HDR;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	E1000_ROUNDUP(skb_fifo_len, E1000_FIFO_HDR);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	if (adapter->link_duplex != HALF_DUPLEX)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		goto no_fifo_stall_required;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	if (atomic_read(&adapter->tx_fifo_stall))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		atomic_set(&adapter->tx_fifo_stall, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
no_fifo_stall_required:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	adapter->tx_fifo_head += skb_fifo_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
#define MINIMUM_DHCP_PACKET_SIZE 282
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	struct e1000_hw *hw =  &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	uint16_t length, offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	if (vlan_tx_tag_present(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
			( adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
			return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		struct ethhdr *eth = (struct ethhdr *) skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		if ((htons(ETH_P_IP) == eth->h_proto)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
			const struct iphdr *ip =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
				(struct iphdr *)((uint8_t *)skb->data+14);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
			if (IPPROTO_UDP == ip->protocol) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
				struct udphdr *udp =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
					(struct udphdr *)((uint8_t *)ip +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
						(ip->ihl << 2));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
				if (ntohs(udp->dest) == 67) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
					offset = (uint8_t *)udp + 8 - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
					length = skb->len - offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
					return e1000_mng_write_dhcp_info(hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
							(uint8_t *)udp + 8,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
							length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	struct e1000_tx_ring *tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	unsigned int tx_flags = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	unsigned int len = skb->len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	unsigned int nr_frags = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	unsigned int mss = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	int count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	int tso;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	unsigned int f;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	len -= skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	tx_ring = adapter->tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	if (unlikely(skb->len <= 0)) {
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2907
        if (!adapter->ecdev)
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2908
            dev_kfree_skb_any(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	mss = skb_shinfo(skb)->gso_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	/* The controller does a simple calculation to
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	 * make sure there is enough room in the FIFO before
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	 * initiating the DMA for each buffer.  The calc is:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	 * 4 = ceil(buffer len/mss).  To make sure we don't
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	 * overrun the FIFO, adjust the max buffer len if mss
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	 * drops. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	if (mss) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		uint8_t hdr_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		max_per_txd = min(mss << 2, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		max_txd_pwr = fls(max_per_txd) - 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	 * points to just header, pull a few bytes of payload from
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	 * frags into skb->data */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
			switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
				unsigned int pull_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
			case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
			case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
			case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
			case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
				pull_size = min((unsigned int)4, skb->data_len);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
				if (!__pskb_pull_tail(skb, pull_size)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
					DPRINTK(DRV, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
						"__pskb_pull_tail failed.\n");
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2940
					if (!adapter->ecdev)
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2941
                        dev_kfree_skb_any(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
					return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
				len = skb->len - skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
			default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
				/* do nothing */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	/* reserve a descriptor for the offload context */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	if ((mss) || (skb->ip_summed == CHECKSUM_HW))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	if (skb->ip_summed == CHECKSUM_HW)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
	/* Controller Erratum workaround */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	count += TXD_USE_COUNT(len, max_txd_pwr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	if (adapter->pcix_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	/* work-around for errata 10 and it applies to all controllers
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	 * in PCI-X mode, so add one more descriptor to the count
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
			(len > 2015)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	nr_frags = skb_shinfo(skb)->nr_frags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	for (f = 0; f < nr_frags; f++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
				       max_txd_pwr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	if (adapter->pcix_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		count += nr_frags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	if (adapter->hw.tx_pkt_filtering &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	    (adapter->hw.mac_type == e1000_82573))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		e1000_transfer_dhcp_info(adapter, skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2992
    if (!adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2993
        local_irq_save(flags);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2994
        if (!spin_trylock(&tx_ring->tx_lock)) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2995
            /* Collision - tell upper layer to requeue */
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2996
            local_irq_restore(flags);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2997
            return NETDEV_TX_LOCKED;
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2998
        }
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2999
    }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	/* need: count + 2 desc gap to keep tail from touching
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	 * head, otherwise try next time */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	if (unlikely(E1000_DESC_UNUSED(tx_ring) < count + 2)) {
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3004
        if (!adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3005
            netif_stop_queue(netdev);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3006
            spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3007
        }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		return NETDEV_TX_BUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	if (unlikely(adapter->hw.mac_type == e1000_82547)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3013
            if (!adapter->ecdev)
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3014
                netif_stop_queue(netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies);
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3016
            if (!adapter->ecdev)
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3017
                spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
			return NETDEV_TX_BUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		tx_flags |= E1000_TX_FLAGS_VLAN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	first = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	tso = e1000_tso(adapter, tx_ring, skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	if (tso < 0) {
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3031
        if (!adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3032
            dev_kfree_skb_any(skb);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3033
            spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3034
        }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	if (likely(tso)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		tx_ring->last_tx_tso = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		tx_flags |= E1000_TX_FLAGS_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		tx_flags |= E1000_TX_FLAGS_CSUM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	 * no longer assume, we must. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	if (likely(skb->protocol == htons(ETH_P_IP)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		tx_flags |= E1000_TX_FLAGS_IPV4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	e1000_tx_queue(adapter, tx_ring, tx_flags,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	               e1000_tx_map(adapter, tx_ring, skb, first,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	                            max_per_txd, nr_frags, mss));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	netdev->trans_start = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	/* Make sure there is space in the ring for the next send. */
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3057
	if (!adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3058
        if (unlikely(E1000_DESC_UNUSED(tx_ring) < MAX_SKB_FRAGS + 2))
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3061
        spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3062
    }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
 * e1000_tx_timeout - Respond to a Tx Hang
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
e1000_tx_timeout(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	/* Do the reset outside of interrupt context */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	adapter->tx_timeout_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	schedule_work(&adapter->reset_task);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
e1000_reset_task(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
 * e1000_get_stats - Get System Network Statistics
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
 * Returns the address of the device statistics structure.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
 * The statistics are actually updated from the timer callback.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
static struct net_device_stats *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
e1000_get_stats(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	/* only return the current stats */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	return &adapter->net_stats;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
 * e1000_change_mtu - Change the Maximum Transfer Unit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
 * @new_mtu: new value for maximum frame size
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
 * Returns 0 on success, negative on failure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
e1000_change_mtu(struct net_device *netdev, int new_mtu)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	uint16_t eeprom_data = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	/* Adapter-specific max frame size limits. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	case e1000_undefined ... e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
			return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		/* only enable jumbo frames if ASPM is disabled completely
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
		 * this means both bits must be zero in 0x1A bits 3:2 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		e1000_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3, 1,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		                  &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		if (eeprom_data & EEPROM_WORD1A_ASPM_MASK) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
				DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
			            	"Jumbo Frames not supported.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
				return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		/* fall through to get support */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
#define MAX_STD_JUMBO_FRAME_SIZE 9234
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
			return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	 * means we reserve 2 more, this pushes us to allocate from the next
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	 * larger slab size
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	if (max_frame <= E1000_RXBUFFER_256)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	else if (max_frame <= E1000_RXBUFFER_512)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	else if (max_frame <= E1000_RXBUFFER_1024)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	else if (max_frame <= E1000_RXBUFFER_2048)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	else if (max_frame <= E1000_RXBUFFER_4096)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	else if (max_frame <= E1000_RXBUFFER_8192)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	else if (max_frame <= E1000_RXBUFFER_16384)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	/* adjust allocation if LPE protects us, and we aren't using SBP */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	if (!adapter->hw.tbi_compatibility_on &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	netdev->mtu = new_mtu;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3192
	if (adapter->ecdev || netif_running(netdev))
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
		e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	adapter->hw.max_frame_size = max_frame;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
 * e1000_update_stats - Update the board statistics counters
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
e1000_update_stats(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	uint16_t phy_tmp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	/*
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	 * Prevent stats update while adapter is being reset, or if the pci
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	 * connection is down.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	if (adapter->link_speed == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3224
    if (!adapter->ecdev)
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3225
        spin_lock_irqsave(&adapter->stats_lock, flags);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	/* these counters are modified from e1000_adjust_tbi_stats,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	 * called from the interrupt context, so they must only
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	 * be written while holding adapter->stats_lock
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	adapter->stats.crcerrs += E1000_READ_REG(hw, CRCERRS);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	adapter->stats.gprc += E1000_READ_REG(hw, GPRC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	adapter->stats.gorcl += E1000_READ_REG(hw, GORCL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	adapter->stats.gorch += E1000_READ_REG(hw, GORCH);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	adapter->stats.bprc += E1000_READ_REG(hw, BPRC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	adapter->stats.mprc += E1000_READ_REG(hw, MPRC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	adapter->stats.roc += E1000_READ_REG(hw, ROC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	if (adapter->hw.mac_type != e1000_ich8lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	adapter->stats.prc64 += E1000_READ_REG(hw, PRC64);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	adapter->stats.prc127 += E1000_READ_REG(hw, PRC127);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	adapter->stats.prc255 += E1000_READ_REG(hw, PRC255);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	adapter->stats.prc511 += E1000_READ_REG(hw, PRC511);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	adapter->stats.symerrs += E1000_READ_REG(hw, SYMERRS);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	adapter->stats.mpc += E1000_READ_REG(hw, MPC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	adapter->stats.scc += E1000_READ_REG(hw, SCC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	adapter->stats.ecol += E1000_READ_REG(hw, ECOL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	adapter->stats.mcc += E1000_READ_REG(hw, MCC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	adapter->stats.latecol += E1000_READ_REG(hw, LATECOL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	adapter->stats.dc += E1000_READ_REG(hw, DC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	adapter->stats.sec += E1000_READ_REG(hw, SEC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	adapter->stats.rlec += E1000_READ_REG(hw, RLEC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	adapter->stats.xonrxc += E1000_READ_REG(hw, XONRXC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	adapter->stats.xontxc += E1000_READ_REG(hw, XONTXC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	adapter->stats.xoffrxc += E1000_READ_REG(hw, XOFFRXC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	adapter->stats.xofftxc += E1000_READ_REG(hw, XOFFTXC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	adapter->stats.fcruc += E1000_READ_REG(hw, FCRUC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	adapter->stats.gptc += E1000_READ_REG(hw, GPTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	adapter->stats.gotcl += E1000_READ_REG(hw, GOTCL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	adapter->stats.gotch += E1000_READ_REG(hw, GOTCH);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	adapter->stats.rnbc += E1000_READ_REG(hw, RNBC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	adapter->stats.ruc += E1000_READ_REG(hw, RUC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	adapter->stats.rfc += E1000_READ_REG(hw, RFC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	adapter->stats.rjc += E1000_READ_REG(hw, RJC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	adapter->stats.torl += E1000_READ_REG(hw, TORL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	adapter->stats.torh += E1000_READ_REG(hw, TORH);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	adapter->stats.totl += E1000_READ_REG(hw, TOTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	adapter->stats.toth += E1000_READ_REG(hw, TOTH);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	adapter->stats.tpr += E1000_READ_REG(hw, TPR);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	if (adapter->hw.mac_type != e1000_ich8lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	adapter->stats.mptc += E1000_READ_REG(hw, MPTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	adapter->stats.bptc += E1000_READ_REG(hw, BPTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	/* used for adaptive IFS */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	hw->tx_packet_delta = E1000_READ_REG(hw, TPT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	adapter->stats.tpt += hw->tx_packet_delta;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	hw->collision_delta = E1000_READ_REG(hw, COLC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	adapter->stats.colc += hw->collision_delta;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	if (hw->mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
		adapter->stats.algnerrc += E1000_READ_REG(hw, ALGNERRC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		adapter->stats.rxerrc += E1000_READ_REG(hw, RXERRC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		adapter->stats.tncrs += E1000_READ_REG(hw, TNCRS);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		adapter->stats.cexterr += E1000_READ_REG(hw, CEXTERR);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
		adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	if (hw->mac_type > e1000_82547_rev_2) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		adapter->stats.iac += E1000_READ_REG(hw, IAC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		if (adapter->hw.mac_type != e1000_ich8lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	/* Fill out the OS statistics structure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	adapter->net_stats.rx_packets = adapter->stats.gprc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	adapter->net_stats.tx_packets = adapter->stats.gptc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	adapter->net_stats.rx_bytes = adapter->stats.gorcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	adapter->net_stats.tx_bytes = adapter->stats.gotcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	adapter->net_stats.multicast = adapter->stats.mprc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	adapter->net_stats.collisions = adapter->stats.colc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	/* Rx Errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	/* RLEC on some newer hardware can be incorrect so build
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	* our own version based on RUC and ROC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		adapter->stats.crcerrs + adapter->stats.algnerrc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		adapter->stats.ruc + adapter->stats.roc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		adapter->stats.cexterr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	adapter->net_stats.rx_length_errors = adapter->stats.ruc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	                                      adapter->stats.roc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	/* Tx Errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	adapter->net_stats.tx_errors = adapter->stats.ecol +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	                               adapter->stats.latecol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	/* Tx Dropped needs to be maintained elsewhere */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	/* Phy Stats */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	if (hw->media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
		if ((adapter->link_speed == SPEED_1000) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
			adapter->phy_stats.idle_errors += phy_tmp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
		if ((hw->mac_type <= e1000_82546) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		   (hw->phy_type == e1000_phy_m88) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
			adapter->phy_stats.receive_errors += phy_tmp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3366
    if (!adapter->ecdev)
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3367
        spin_unlock_irqrestore(&adapter->stats_lock, flags);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
 * e1000_intr - Interrupt Handler
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
 * @irq: interrupt number
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
 * @data: pointer to a network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
 * @pt_regs: CPU registers structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
static irqreturn_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
e1000_intr(int irq, void *data, struct pt_regs *regs)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	struct net_device *netdev = data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	uint32_t rctl, icr = E1000_READ_REG(hw, ICR);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
#ifndef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	/* Interrupt Auto-Mask...upon reading ICR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	 * interrupts are masked.  No need for the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	 * IMC write, but it does mean we should
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	 * account for it ASAP. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	if (likely(hw->mac_type >= e1000_82571))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	if (unlikely(!icr)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
#ifdef CONFIG_E1000_NAPI
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3397
		if (!adapter->ecdev && hw->mac_type >= e1000_82571)
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
			e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		return IRQ_NONE;  /* Not our interrupt */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		hw->get_link_status = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		/* 80003ES2LAN workaround--
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		 * For packet buffer work-around on link down event;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		 * disable receives here in the ISR and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		 * reset adapter in watchdog
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		 */
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3410
		if (((adapter->ecdev && ecdev_link_up(adapter->ecdev))
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3411
                    || (!adapter->ecdev && netif_carrier_ok(netdev))) &&
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
		    (adapter->hw.mac_type == e1000_80003es2lan)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
			/* disable receives */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
			rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
			E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		mod_timer(&adapter->watchdog_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	if (unlikely(hw->mac_type < e1000_82571)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		E1000_WRITE_REG(hw, IMC, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	}
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3426
    if (!adapter->ecdev) {
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3427
        if (likely(netif_rx_schedule_prep(netdev)))
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3428
            __netif_rx_schedule(netdev);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3429
        else
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3430
            e1000_irq_enable(adapter);
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3431
    }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
#else
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3433
        /* Writing IMC and IMS is needed for 82547.
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3434
         * Due to Hub Link bus being occupied, an interrupt
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	 * de-assertion message is not able to be sent.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	 * When an interrupt assertion message is generated later,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	 * two messages are re-ordered and sent out.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	 * That causes APIC to think 82547 is in de-assertion
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	 * state, while 82547 is in assertion state, resulting
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	 * in dead lock. Writing IMC forces 82547 into
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	 * de-assertion state.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		E1000_WRITE_REG(hw, IMC, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	for (i = 0; i < E1000_MAX_INTR; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		   !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3453
	if (!adapter->ecdev
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3454
            && (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2))
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
		e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	return IRQ_HANDLED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
 * e1000_clean - NAPI Rx polling callback
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
static int
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3469
e1000_clean(struct net_device *poll_dev, int *budget) // never called for EtherCAT
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	struct e1000_adapter *adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	int work_to_do = min(*budget, poll_dev->quota);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	int tx_cleaned = 0, work_done = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	/* Must NOT use netdev_priv macro here. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	adapter = poll_dev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	/* Keep link state information with original netdev */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	if (!netif_carrier_ok(poll_dev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
		goto quit_polling;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	/* e1000_clean is called per-cpu.  This lock protects
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	 * tx_ring[0] from being cleaned by multiple cpus
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	 * simultaneously.  A failure obtaining the lock means
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	 * tx_ring[0] is currently being cleaned anyway. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	if (spin_trylock(&adapter->tx_queue_lock)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
		tx_cleaned = e1000_clean_tx_irq(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
		                                &adapter->tx_ring[0]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
		spin_unlock(&adapter->tx_queue_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	                  &work_done, work_to_do);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	*budget -= work_done;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	poll_dev->quota -= work_done;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	/* If no Tx and not enough Rx work done, exit the polling mode */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	if ((!tx_cleaned && (work_done == 0)) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	   !netif_running(poll_dev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
quit_polling:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		netif_rx_complete(poll_dev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
		e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
e1000_clean_tx_irq(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
                   struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	struct e1000_tx_desc *tx_desc, *eop_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	unsigned int i, eop;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	unsigned int count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	i = tx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	eop = tx_ring->buffer_info[i].next_to_watch;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		for (cleaned = FALSE; !cleaned; ) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
			tx_desc = E1000_TX_DESC(*tx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
			buffer_info = &tx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
			cleaned = (i == eop);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
			memset(tx_desc, 0, sizeof(struct e1000_tx_desc));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
			if (unlikely(++i == tx_ring->count)) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		eop = tx_ring->buffer_info[i].next_to_watch;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
#define E1000_TX_WEIGHT 64
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		/* weight of a sort for tx, to avoid endless transmit cleanup */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		if (count++ == E1000_TX_WEIGHT) break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	tx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
#define TX_WAKE_THRESHOLD 32
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3558
	if (unlikely(!adapter->ecdev && cleaned && netif_queue_stopped(netdev) &&
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	             netif_carrier_ok(netdev))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
		spin_lock(&tx_ring->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		if (netif_queue_stopped(netdev) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
		    (E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
			netif_wake_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		spin_unlock(&tx_ring->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	if (adapter->detect_tx_hung) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		/* Detect a transmit hang in hardware, this serializes the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
		 * check with the clearing of time_stamp and movement of i */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		adapter->detect_tx_hung = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		if (tx_ring->buffer_info[eop].dma &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		               (adapter->tx_timeout_factor * HZ))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
		    && !(E1000_READ_REG(&adapter->hw, STATUS) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		         E1000_STATUS_TXOFF)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
			/* detected Tx unit hang */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
					"  Tx Queue             <%lu>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
					"  TDH                  <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
					"  TDT                  <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
					"  next_to_use          <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
					"  next_to_clean        <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
					"buffer_info[next_to_clean]\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
					"  time_stamp           <%lx>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
					"  next_to_watch        <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
					"  jiffies              <%lx>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
					"  next_to_watch.status <%x>\n",
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
				(unsigned long)((tx_ring - adapter->tx_ring) /
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
					sizeof(struct e1000_tx_ring)),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
				readl(adapter->hw.hw_addr + tx_ring->tdh),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
				readl(adapter->hw.hw_addr + tx_ring->tdt),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
				tx_ring->next_to_use,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
				tx_ring->next_to_clean,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
				tx_ring->buffer_info[eop].time_stamp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
				eop,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
				jiffies,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
				eop_desc->upper.fields.status);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
			netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
 * e1000_rx_checksum - Receive Checksum Offload for 82543
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
 * @adapter:     board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
 * @status_err:  receive descriptor status and error fields
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
 * @csum:        receive descriptor csum field
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
 * @sk_buff:     socket buffer with received data
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
e1000_rx_checksum(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		  uint32_t status_err, uint32_t csum,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		  struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	uint16_t status = (uint16_t)status_err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	uint8_t errors = (uint8_t)(status_err >> 24);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	skb->ip_summed = CHECKSUM_NONE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	/* 82543 or newer only */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	if (unlikely(adapter->hw.mac_type < e1000_82543)) return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	/* Ignore Checksum bit is set */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	/* TCP/UDP checksum error bit is set */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		/* let the stack verify checksum errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		adapter->hw_csum_err++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	/* TCP/UDP Checksum has not been calculated */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	if (adapter->hw.mac_type <= e1000_82547_rev_2) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		if (!(status & E1000_RXD_STAT_TCPCS))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	/* It must be a TCP or UDP packet with a valid checksum */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
		/* TCP checksum is good */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
		skb->ip_summed = CHECKSUM_UNNECESSARY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	} else if (adapter->hw.mac_type > e1000_82547_rev_2) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
		/* IP fragment with UDP payload */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		/* Hardware complements the payload checksum, so we undo it
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		 * and then put the value in host order for further stack use.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		csum = ntohl(csum ^ 0xFFFF);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		skb->csum = csum;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
		skb->ip_summed = CHECKSUM_HW;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	adapter->hw_csum_good++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
e1000_clean_rx_irq(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
                   struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
                   int *work_done, int work_to_do)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
e1000_clean_rx_irq(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
                   struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	struct e1000_rx_desc *rx_desc, *next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	struct e1000_buffer *buffer_info, *next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	uint32_t length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	uint8_t last_byte;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	int cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	i = rx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	rx_desc = E1000_RX_DESC(*rx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	while (rx_desc->status & E1000_RXD_STAT_DD) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
		struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
		u8 status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		if (*work_done >= work_to_do)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
		(*work_done)++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		status = rx_desc->status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		skb = buffer_info->skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		prefetch(skb->data - NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		if (++i == rx_ring->count) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		next_rxd = E1000_RX_DESC(*rx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
		prefetch(next_rxd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		next_buffer = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		cleaned = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		cleaned_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		pci_unmap_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
		                 buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
		                 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		                 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		length = le16_to_cpu(rx_desc->length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		/* adjust length to remove Ethernet CRC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
		length -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			/* All receives must fit into a single buffer */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			E1000_DBG("%s: Receive packet consumed multiple"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
				  " buffers\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
			/* recycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
			buffer_info-> skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3727
		if (!adapter->ecdev && unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
			last_byte = *(skb->data + length - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
			if (TBI_ACCEPT(&adapter->hw, status,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
			              rx_desc->errors, length, last_byte)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
				spin_lock_irqsave(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
				e1000_tbi_adjust_stats(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
				                       &adapter->stats,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
				                       length, skb->data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
				spin_unlock_irqrestore(&adapter->stats_lock,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
				                       flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
				length--;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
			} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
				/* recycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
				buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
				goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		/* code added for copybreak, this should improve
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		 * performance for small packets with large amounts
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		 * of reassembly being done in the stack */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
#define E1000_CB_LENGTH 256
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3749
		if (!adapter->ecdev && length < E1000_CB_LENGTH) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			struct sk_buff *new_skb =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
			if (new_skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
				skb_reserve(new_skb, NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
				new_skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
				memcpy(new_skb->data - NET_IP_ALIGN,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
				       skb->data - NET_IP_ALIGN,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
				       length + NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
				/* save the skb in buffer_info as good */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
				buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
				skb = new_skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
				skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
			skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
		/* end copybreak code */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		/* Receive Checksum Offload */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		e1000_rx_checksum(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
				  (uint32_t)(status) |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
				  ((uint32_t)(rx_desc->errors) << 24),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
				  le16_to_cpu(rx_desc->csum), skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
		skb->protocol = eth_type_trans(skb, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		if (unlikely(adapter->vlgrp &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
			    (status & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
						 le16_to_cpu(rx_desc->special) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
						 E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
			netif_receive_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
#else /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		if (unlikely(adapter->vlgrp &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
			    (status & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
			vlan_hwaccel_rx(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
					le16_to_cpu(rx_desc->special) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
					E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
			netif_rx(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
#endif /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		netdev->last_rx = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
next_desc:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		rx_desc->status = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		/* return some buffers to hardware, one at a time is too slow */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
			cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		/* use prefetched values */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		rx_desc = next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		buffer_info = next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	rx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	if (cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
                      struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
                      int *work_done, int work_to_do)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
                      struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	struct e1000_buffer *buffer_info, *next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	struct e1000_ps_page_dma *ps_page_dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	uint32_t length, staterr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	int cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	i = rx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	while (staterr & E1000_RXD_STAT_DD) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		ps_page = &rx_ring->ps_page[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		ps_page_dma = &rx_ring->ps_page_dma[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		if (unlikely(*work_done >= work_to_do))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		(*work_done)++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		skb = buffer_info->skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		/* in the packet split case this is header only */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		prefetch(skb->data - NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		if (++i == rx_ring->count) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
		prefetch(next_rxd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		next_buffer = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		cleaned = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		cleaned_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		pci_unmap_single(pdev, buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
				 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
				 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
			E1000_DBG("%s: Packet Split buffers didn't pick up"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
				  " the full packet\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
			dev_kfree_skb_irq(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
			dev_kfree_skb_irq(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		length = le16_to_cpu(rx_desc->wb.middle.length0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		if (unlikely(!length)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			E1000_DBG("%s: Last part of the packet spanning"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
				  " multiple descriptors\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
			dev_kfree_skb_irq(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		/* Good Receive */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		/* this looks ugly, but it seems compiler issues make it
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		   more efficient than reusing j */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		/* page alloc/put takes too long and effects small packet
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		 * throughput, so unsplit small packets and save the alloc/put*/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		if (l1 && ((length + l1) <= adapter->rx_ps_bsize0)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
			u8 *vaddr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
			/* there is no documentation about how to call
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
			 * kmap_atomic, so we can't hold the mapping
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
			 * very long */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
			pci_dma_sync_single_for_cpu(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
				ps_page_dma->ps_page_dma[0],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
				PAGE_SIZE,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
				PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
			vaddr = kmap_atomic(ps_page->ps_page[0],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
			                    KM_SKB_DATA_SOFTIRQ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
			memcpy(skb->tail, vaddr, l1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
			pci_dma_sync_single_for_device(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
				ps_page_dma->ps_page_dma[0],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
			/* remove the CRC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
			l1 -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
			skb_put(skb, l1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
			goto copydone;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		} /* if */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		for (j = 0; j < adapter->rx_ps_pages; j++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
			if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j])))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
			pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
			ps_page_dma->ps_page_dma[j] = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
			skb_fill_page_desc(skb, j, ps_page->ps_page[j], 0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
			                   length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			ps_page->ps_page[j] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
			skb->len += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
			skb->data_len += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
			skb->truesize += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
		/* strip the ethernet crc, problem is we're using pages now so
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
		 * this whole operation can get a little cpu intensive */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
		pskb_trim(skb, skb->len - 4);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
copydone:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
		e1000_rx_checksum(adapter, staterr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
		skb->protocol = eth_type_trans(skb, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
		if (likely(rx_desc->wb.upper.header_status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
			adapter->rx_hdr_split++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
				le16_to_cpu(rx_desc->wb.middle.vlan) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
				E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
			netif_receive_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
#else /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
			vlan_hwaccel_rx(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
				le16_to_cpu(rx_desc->wb.middle.vlan) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
				E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
			netif_rx(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
#endif /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		netdev->last_rx = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
next_desc:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		/* return some buffers to hardware, one at a time is too slow */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
			cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		/* use prefetched values */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		rx_desc = next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		buffer_info = next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	rx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	if (cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
                       struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		       int cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	struct e1000_rx_desc *rx_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	i = rx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	while (cleaned_count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		if (!(skb = buffer_info->skb))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			skb = netdev_alloc_skb(netdev, bufsz);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
			skb_trim(skb, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			goto map_skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		if (unlikely(!skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
			/* Better luck next round */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
			adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		/* Fix for errata 23, can't cross 64kB boundary */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
			struct sk_buff *oldskb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
					     "at %p\n", bufsz, skb->data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
			/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
			skb = netdev_alloc_skb(netdev, bufsz);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
			if (!skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
				/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
				dev_kfree_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
				break; /* while !buffer_info->skb */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
			} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
				/* Use new allocation */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		/* Make buffer alignment 2 beyond a 16 byte boundary
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
		 * this will result in a 16 byte aligned IP header after
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
		 * the 14 byte MAC header is removed
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		skb_reserve(skb, NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
		buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		buffer_info->length = adapter->rx_buffer_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
map_skb:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
		buffer_info->dma = pci_map_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
						  skb->data,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
						  adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
						  PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		/* Fix for errata 23, can't cross 64kB boundary */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		if (!e1000_check_64k_bound(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
					(void *)(unsigned long)buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
					adapter->rx_buffer_len)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
			DPRINTK(RX_ERR, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
				"dma align check failed: %u bytes at %p\n",
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
				adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
				(void *)(unsigned long)buffer_info->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
			dev_kfree_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
			buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
			pci_unmap_single(pdev, buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
					 adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
					 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
			break; /* while !buffer_info->skb */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
		rx_desc = E1000_RX_DESC(*rx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
		if (unlikely(++i == rx_ring->count))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
			i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
		buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	if (likely(rx_ring->next_to_use != i)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		rx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		if (unlikely(i-- == 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
			i = (rx_ring->count - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		/* Force memory writes to complete before letting h/w
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		 * know there are new descriptors to fetch.  (Only
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		 * applicable for weak-ordered memory model archs,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
                          struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
			  int cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	union e1000_rx_desc_packet_split *rx_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	struct e1000_ps_page_dma *ps_page_dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	i = rx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	ps_page = &rx_ring->ps_page[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	ps_page_dma = &rx_ring->ps_page_dma[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	while (cleaned_count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
			if (j < adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
				if (likely(!ps_page->ps_page[j])) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
					ps_page->ps_page[j] =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
						alloc_page(GFP_ATOMIC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
					if (unlikely(!ps_page->ps_page[j])) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
						adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
						goto no_buffers;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
					}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
					ps_page_dma->ps_page_dma[j] =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
						pci_map_page(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
							    ps_page->ps_page[j],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
							    0, PAGE_SIZE,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
							    PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
				/* Refresh the desc even if buffer_addrs didn't
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
				 * change because each write-back erases
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
				 * this info.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
				 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
				rx_desc->read.buffer_addr[j+1] =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
				     cpu_to_le64(ps_page_dma->ps_page_dma[j]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
			} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
				rx_desc->read.buffer_addr[j+1] = ~0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		skb = netdev_alloc_skb(netdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
				       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		if (unlikely(!skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
			adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		/* Make buffer alignment 2 beyond a 16 byte boundary
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		 * this will result in a 16 byte aligned IP header after
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		 * the 14 byte MAC header is removed
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		skb_reserve(skb, NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		buffer_info->length = adapter->rx_ps_bsize0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		buffer_info->dma = pci_map_single(pdev, skb->data,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
						  adapter->rx_ps_bsize0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
						  PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
		if (unlikely(++i == rx_ring->count)) i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		buffer_info = &rx_ring->buffer_info[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		ps_page = &rx_ring->ps_page[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		ps_page_dma = &rx_ring->ps_page_dma[i];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
no_buffers:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	if (likely(rx_ring->next_to_use != i)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		rx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		if (unlikely(i-- == 0)) i = (rx_ring->count - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
		/* Force memory writes to complete before letting h/w
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		 * know there are new descriptors to fetch.  (Only
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
		 * applicable for weak-ordered memory model archs,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		/* Hardware increments by 16 bytes, but packet split
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		 * descriptors are 32 bytes...so we increment tail
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		 * twice as much.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
 * @adapter:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
e1000_smartspeed(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	uint16_t phy_status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	uint16_t phy_ctrl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	if ((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	   !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	if (adapter->smartspeed == 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		/* If Master/Slave config fault is asserted twice,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
		 * we assume back-to-back */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
			e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
					    phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
			adapter->smartspeed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
			if (!e1000_phy_setup_autoneg(&adapter->hw) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
			   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
				   	       &phy_ctrl)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
					     MII_CR_RESTART_AUTO_NEG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
				e1000_write_phy_reg(&adapter->hw, PHY_CTRL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
						    phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		/* If still no link, perhaps using 2/3 pair cable */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		phy_ctrl |= CR_1000T_MS_ENABLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		if (!e1000_phy_setup_autoneg(&adapter->hw) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
				     MII_CR_RESTART_AUTO_NEG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
			e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		adapter->smartspeed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
 * e1000_ioctl -
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
 * @netdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
 * @ifreq:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
 * @cmd:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
	switch (cmd) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	case SIOCGMIIPHY:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	case SIOCGMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	case SIOCSMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
		return e1000_mii_ioctl(netdev, ifr, cmd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
 * e1000_mii_ioctl -
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
 * @netdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
 * @ifreq:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
 * @cmd:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	struct mii_ioctl_data *data = if_mii(ifr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	int retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	uint16_t mii_reg;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	uint16_t spddplx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	if (adapter->hw.media_type != e1000_media_type_copper)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
	switch (cmd) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	case SIOCGMIIPHY:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
		data->phy_id = adapter->hw.phy_addr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	case SIOCGMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		if (!capable(CAP_NET_ADMIN))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
			return -EPERM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		spin_lock_irqsave(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
		if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
				   &data->val_out)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
			return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
	case SIOCSMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		if (!capable(CAP_NET_ADMIN))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			return -EPERM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		if (data->reg_num & ~(0x1F))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			return -EFAULT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		mii_reg = data->val_in;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		spin_lock_irqsave(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		if (e1000_write_phy_reg(&adapter->hw, data->reg_num,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
					mii_reg)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		if (adapter->hw.media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
			switch (data->reg_num) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
			case PHY_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
				if (mii_reg & MII_CR_POWER_DOWN)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
					adapter->hw.autoneg = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
					adapter->hw.autoneg_advertised = 0x2F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
				} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
					if (mii_reg & 0x40)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
						spddplx = SPEED_1000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
					else if (mii_reg & 0x2000)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
						spddplx = SPEED_100;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
					else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
						spddplx = SPEED_10;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
					spddplx += (mii_reg & 0x100)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
						   ? DUPLEX_FULL :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
						   DUPLEX_HALF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
					retval = e1000_set_spd_dplx(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
								    spddplx);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
					if (retval) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
						spin_unlock_irqrestore(
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
							&adapter->stats_lock,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
							flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
						return retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
					}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
				if (netif_running(adapter->netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
					e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
				else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
					e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			case M88E1000_PHY_SPEC_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
			case M88E1000_EXT_PHY_SPEC_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
				if (e1000_phy_reset(&adapter->hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
					spin_unlock_irqrestore(
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
						&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
					return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
			switch (data->reg_num) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
			case PHY_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
				if (mii_reg & MII_CR_POWER_DOWN)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
				if (netif_running(adapter->netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
					e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
				else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
					e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
e1000_pci_set_mwi(struct e1000_hw *hw)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	int ret_val = pci_set_mwi(adapter->pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	if (ret_val)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
e1000_pci_clear_mwi(struct e1000_hw *hw)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	pci_clear_mwi(adapter->pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	pci_read_config_word(adapter->pdev, reg, value);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	pci_write_config_word(adapter->pdev, reg, *value);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
#if 0
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
uint32_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
e1000_io_read(struct e1000_hw *hw, unsigned long port)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	return inl(port);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
#endif  /*  0  */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	outl(value, port);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	uint32_t ctrl, rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	e1000_irq_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	adapter->vlgrp = grp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	if (grp) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
		/* enable VLAN tag insert/strip */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
		ctrl |= E1000_CTRL_VME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		if (adapter->hw.mac_type != e1000_ich8lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		/* enable VLAN receive filtering */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		rctl = E1000_READ_REG(&adapter->hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		rctl |= E1000_RCTL_VFE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		rctl &= ~E1000_RCTL_CFIEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		/* disable VLAN tag insert/strip */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		ctrl &= ~E1000_CTRL_VME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		if (adapter->hw.mac_type != e1000_ich8lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		/* disable VLAN filtering */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		rctl = E1000_READ_REG(&adapter->hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		rctl &= ~E1000_RCTL_VFE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		if (adapter->mng_vlan_id != (uint16_t)E1000_MNG_VLAN_NONE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	uint32_t vfta, index;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	    (vid == adapter->mng_vlan_id))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	/* add VID to filter table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	index = (vid >> 5) & 0x7F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	vfta |= (1 << (vid & 0x1F));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	e1000_write_vfta(&adapter->hw, index, vfta);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	uint32_t vfta, index;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	e1000_irq_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	if (adapter->vlgrp)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
		adapter->vlgrp->vlan_devices[vid] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	    (vid == adapter->mng_vlan_id)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		/* release control to f/w */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	/* remove VID from filter table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	index = (vid >> 5) & 0x7F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	vfta &= ~(1 << (vid & 0x1F));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	e1000_write_vfta(&adapter->hw, index, vfta);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
e1000_restore_vlan(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	if (adapter->vlgrp) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
		uint16_t vid;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			if (!adapter->vlgrp->vlan_devices[vid])
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
				continue;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	adapter->hw.autoneg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	/* Fiber NICs only allow 1000 gbps Full duplex */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	if ((adapter->hw.media_type == e1000_media_type_fiber) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	switch (spddplx) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	case SPEED_10 + DUPLEX_HALF:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		adapter->hw.forced_speed_duplex = e1000_10_half;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	case SPEED_10 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		adapter->hw.forced_speed_duplex = e1000_10_full;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	case SPEED_100 + DUPLEX_HALF:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
		adapter->hw.forced_speed_duplex = e1000_100_half;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	case SPEED_100 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		adapter->hw.forced_speed_duplex = e1000_100_full;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	case SPEED_1000 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		adapter->hw.autoneg = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
/* Save/restore 16 or 64 dwords of PCI config space depending on which
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
 * bus we're on (PCI(X) vs. PCI-E)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
#define PCIE_CONFIG_SPACE_LEN 256
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
#define PCI_CONFIG_SPACE_LEN 64
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
e1000_pci_save_state(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	struct pci_dev *dev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	if (adapter->hw.mac_type >= e1000_82571)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		size = PCIE_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		size = PCI_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	WARN_ON(adapter->config_space != NULL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	adapter->config_space = kmalloc(size, GFP_KERNEL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	if (!adapter->config_space) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	for (i = 0; i < (size / 4); i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		pci_read_config_dword(dev, i * 4, &adapter->config_space[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
e1000_pci_restore_state(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	struct pci_dev *dev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
	if (adapter->config_space == NULL)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	if (adapter->hw.mac_type >= e1000_82571)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		size = PCIE_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		size = PCI_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	for (i = 0; i < (size / 4); i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
		pci_write_config_dword(dev, i * 4, adapter->config_space[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	kfree(adapter->config_space);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	adapter->config_space = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
#endif /* CONFIG_PM */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
e1000_suspend(struct pci_dev *pdev, pm_message_t state)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	struct net_device *netdev = pci_get_drvdata(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	uint32_t ctrl, ctrl_ext, rctl, manc, status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	uint32_t wufc = adapter->wol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	int retval = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
	netif_device_detach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
	if (netif_running(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
		e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	/* Implement our own version of pci_save_state(pdev) because pci-
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	 * express adapters have 256-byte config spaces. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	retval = e1000_pci_save_state(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	if (retval)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		return retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	status = E1000_READ_REG(&adapter->hw, STATUS);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	if (status & E1000_STATUS_LU)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		wufc &= ~E1000_WUFC_LNKC;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	if (wufc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		e1000_setup_rctl(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		e1000_set_multi(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		/* turn on all-multi mode if wake on multicast is enabled */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		if (adapter->wol & E1000_WUFC_MC) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
			rctl |= E1000_RCTL_MPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		if (adapter->hw.mac_type >= e1000_82540) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
			ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			/* advertise wake from D3Cold */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			#define E1000_CTRL_ADVD3WUC 0x00100000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			/* phy power management enable */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
			ctrl |= E1000_CTRL_ADVD3WUC |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
				E1000_CTRL_EN_PHY_PWR_MGMT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
			E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		if (adapter->hw.media_type == e1000_media_type_fiber ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		   adapter->hw.media_type == e1000_media_type_internal_serdes) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
			/* keep the laser running in D3 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
			E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		/* Allow time for pending master requests to run */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		e1000_disable_pciex_master(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		pci_enable_wake(pdev, PCI_D3hot, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		pci_enable_wake(pdev, PCI_D3cold, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		E1000_WRITE_REG(&adapter->hw, WUFC, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		pci_enable_wake(pdev, PCI_D3hot, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		pci_enable_wake(pdev, PCI_D3cold, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	/* FIXME: this code is incorrect for PCI Express */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	if (adapter->hw.mac_type >= e1000_82540 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	   adapter->hw.media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		manc = E1000_READ_REG(&adapter->hw, MANC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		if (manc & E1000_MANC_SMBUS_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			manc |= E1000_MANC_ARP_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			E1000_WRITE_REG(&adapter->hw, MANC, manc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
			pci_enable_wake(pdev, PCI_D3hot, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
			pci_enable_wake(pdev, PCI_D3cold, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	if (adapter->hw.phy_type == e1000_phy_igp_3)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		e1000_phy_powerdown_workaround(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		e1000_free_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	 * would have already happened in close and is redundant. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	pci_disable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
e1000_resume(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	struct net_device *netdev = pci_get_drvdata(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	uint32_t manc, ret_val;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	pci_set_power_state(pdev, PCI_D0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	e1000_pci_restore_state(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	ret_val = pci_enable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	pci_enable_wake(pdev, PCI_D3hot, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	pci_enable_wake(pdev, PCI_D3cold, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		if (netif_running(netdev) && (ret_val = e1000_request_irq(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
			return ret_val;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	e1000_power_up_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	if (adapter->ecdev || netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
		e1000_up(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	if (adapter->ecdev) netif_device_attach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	/* FIXME: this code is incorrect for PCI Express */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	if (adapter->hw.mac_type >= e1000_82540 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	   adapter->hw.media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
		manc = E1000_READ_REG(&adapter->hw, MANC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		manc &= ~(E1000_MANC_ARP_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	/* If the controller is 82573 and f/w is AMT, do not set
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	 * DRV_LOAD until the interface is up.  For all other cases,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	 * let the f/w know that the h/w is now under the control
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	 * of the driver. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	if (adapter->hw.mac_type != e1000_82573 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	    !e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
static void e1000_shutdown(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	e1000_suspend(pdev, PMSG_SUSPEND);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
#ifdef CONFIG_NET_POLL_CONTROLLER
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
/*
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
 * Polling 'interrupt' - used by things like netconsole to send skbs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
 * without having to re-enable interrupts. It's not called while
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
 * the interrupt routine is executing.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
e1000_netpoll(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	struct e1000_adapter *adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	disable_irq(adapter->pdev->irq);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	e1000_intr(adapter->pdev->irq, netdev, NULL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	e1000_clean_tx_irq(adapter, adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
#ifndef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	adapter->clean_rx(adapter, adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	enable_irq(adapter->pdev->irq);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
 * e1000_io_error_detected - called when PCI error is detected
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
 * @state: The current pci conneection state
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
 * This function is called after a PCI bus error affecting
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
 * this device has been detected.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	struct net_device *netdev = pci_get_drvdata(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	netif_device_detach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	/* Request a slot slot reset. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	return PCI_ERS_RESULT_NEED_RESET;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
 * e1000_io_slot_reset - called after the pci bus has been reset.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
 * Restart the card from scratch, as if from a cold-boot. Implementation
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
 * resembles the first-half of the e1000_resume routine.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	struct net_device *netdev = pci_get_drvdata(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	if (pci_enable_device(pdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
		return PCI_ERS_RESULT_DISCONNECT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	pci_enable_wake(pdev, 3, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	/* Perform card reset only on one instance of the card */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	if (PCI_FUNC (pdev->devfn) != 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		return PCI_ERS_RESULT_RECOVERED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	return PCI_ERS_RESULT_RECOVERED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
 * e1000_io_resume - called when traffic can start flowing again.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
 * This callback is called when the error recovery driver tells us that
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
 * its OK to resume normal operation. Implementation resembles the
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
 * second-half of the e1000_resume routine.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
static void e1000_io_resume(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	struct net_device *netdev = pci_get_drvdata(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	uint32_t manc, swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	if (netif_running(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
		if (e1000_up(adapter)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
			printk("e1000: can't bring device back up after reset\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	netif_device_attach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	if (adapter->hw.mac_type >= e1000_82540 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	    adapter->hw.media_type == e1000_media_type_copper) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
		manc = E1000_READ_REG(&adapter->hw, MANC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		manc &= ~(E1000_MANC_ARP_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
				swsm | E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
		mod_timer(&adapter->watchdog_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
/* e1000_main.c */