devices/e1000/e1000_main-2.6.18-ethercat.c
author Florian Pose <fp@igh-essen.com>
Fri, 03 Aug 2007 13:31:13 +0000
changeset 674 34e5601b2640
parent 671 2223549df36c
child 678 5e0d5f04dc65
permissions -rw-r--r--
Improved Makefiles.
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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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void ec_poll(struct net_device *);
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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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671
2223549df36c Serveral changes on e1000 driver (not tested!).
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static void e1000_free_irq(struct e1000_adapter *adapter) // not called when EtherCAT
667
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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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   321
	synchronize_irq(adapter->pdev->irq);
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}
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/**
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 * e1000_irq_enable - Enable default interrupt generation settings
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   326
 * @adapter: board private structure
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 **/
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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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   334
		E1000_WRITE_FLUSH(&adapter->hw);
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   335
	}
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}
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   337
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   338
static void
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   339
e1000_update_mng_vlan(struct e1000_adapter *adapter)
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{
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   341
	struct net_device *netdev = adapter->netdev;
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   342
	uint16_t vid = adapter->hw.mng_cookie.vlan_id;
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   343
	uint16_t old_vid = adapter->mng_vlan_id;
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   344
	if (adapter->vlgrp) {
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   345
		if (!adapter->vlgrp->vlan_devices[vid]) {
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   346
			if (adapter->hw.mng_cookie.status &
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				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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   348
				e1000_vlan_rx_add_vid(netdev, vid);
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   349
				adapter->mng_vlan_id = vid;
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   350
			} else
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   351
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   352
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   353
			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
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   354
					(vid != old_vid) &&
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   355
					!adapter->vlgrp->vlan_devices[old_vid])
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   356
				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   357
		} else
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   358
			adapter->mng_vlan_id = vid;
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   359
	}
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   360
}
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   361
9feff35c9617 First version with e1000 driver (to be continued...)
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   362
/**
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   363
 * e1000_release_hw_control - release control of the h/w to f/w
9feff35c9617 First version with e1000 driver (to be continued...)
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   364
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
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diff changeset
   365
 *
9feff35c9617 First version with e1000 driver (to be continued...)
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   366
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
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   367
 * For ASF and Pass Through versions of f/w this means that the
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   368
 * driver is no longer loaded. For AMT version (only with 82573) i
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   369
 * of the f/w this means that the netowrk i/f is closed.
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   370
 *
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 **/
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   372
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   373
static void
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   374
e1000_release_hw_control(struct e1000_adapter *adapter)
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   375
{
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   376
	uint32_t ctrl_ext;
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   377
	uint32_t swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
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diff changeset
   378
	uint32_t extcnf;
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   379
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   380
	/* Let firmware taken over control of h/w */
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   381
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
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   382
	case e1000_82571:
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parents:
diff changeset
   383
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   384
	case e1000_80003es2lan:
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   385
		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
   386
		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
   387
				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   388
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   389
	case e1000_82573:
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diff changeset
   390
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   391
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   392
				swsm & ~E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   393
	case e1000_ich8lan:
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parents:
diff changeset
   394
		extcnf = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   395
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   396
				extcnf & ~E1000_CTRL_EXT_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   397
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		break;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 * 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
   405
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
 * 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
   408
 * 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
   409
 * 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
   410
 * 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
   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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
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
   416
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	uint32_t ctrl_ext;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	uint32_t swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	uint32_t extcnf;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	/* 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
   421
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		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
   426
		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
   427
				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
   428
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
		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
   431
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
				swsm | E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		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
   436
		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
   437
				extcnf | E1000_EXTCNF_CTRL_SWFLAG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
		break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
e1000_up(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	/* 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
   451
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	e1000_set_multi(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	e1000_restore_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	e1000_configure_tx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	e1000_setup_rctl(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	e1000_configure_rx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	/* 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
   460
	 * 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
   461
	 * next_to_use != next_to_clean */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	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
   463
		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
   464
		adapter->alloc_rx_buf(adapter, ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		                      E1000_DESC_UNUSED(ring));
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	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
   469
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	mod_timer(&adapter->watchdog_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	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
   474
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	return 0;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
 * 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
   482
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
 * 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
   485
 * 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
   486
 * *** 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
   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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
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
   491
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	uint16_t mii_reg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	/* 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
   495
	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
   496
		/* 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
   497
		 * 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
   498
		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
   499
		mii_reg &= ~MII_CR_POWER_DOWN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		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
   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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
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
   505
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	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
   507
	                              e1000_check_mng_mode(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	/* 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
   509
	 * 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
   510
	 * (a) WoL is enabled
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	 * (b) AMT is active
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	 * (c) SoL/IDER session is active */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	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
   514
	    adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	    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
   516
	    !(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
   517
	    !mng_mode_enabled &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	    !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
   519
		uint16_t mii_reg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		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
   521
		mii_reg |= MII_CR_POWER_DOWN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		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
   523
		mdelay(1);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
e1000_down(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	e1000_irq_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	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
   535
	del_timer_sync(&adapter->watchdog_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	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
   537
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	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
   540
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	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
   542
	adapter->link_speed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	adapter->link_duplex = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		netif_stop_queue(netdev);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	e1000_clean_all_tx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	e1000_clean_all_rx_rings(adapter);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
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
   556
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	WARN_ON(in_interrupt());
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	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
   559
		msleep(1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	e1000_up(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	clear_bit(__E1000_RESETTING, &adapter->flags);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
e1000_reset(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	uint32_t pba, manc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	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
   570
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	/* 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
   572
	 * 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
   573
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	case e1000_82547:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	case e1000_82547_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
		pba = E1000_PBA_30K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		pba = E1000_PBA_38K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		pba = E1000_PBA_12K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		pba = E1000_PBA_8K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		pba = E1000_PBA_48K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	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
   597
	   (adapter->netdev->mtu > E1000_RXBUFFER_8192))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		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
   599
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	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
   602
		adapter->tx_fifo_head = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		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
   604
		adapter->tx_fifo_size =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
			(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
   606
		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
   607
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	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
   610
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	/* flow control settings */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	/* 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
   613
	 * Required to clear last 3 LSB */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	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
   615
	/* 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
   616
	 * 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
   617
	 * 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
   618
	 *  mark. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	if (pba < E1000_PBA_16K)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		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
   621
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	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
   623
	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
   624
	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
   625
		adapter->hw.fc_pause_time = 0xFFFF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		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
   628
	adapter->hw.fc_send_xon = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	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
   630
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	/* 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
   632
	e1000_reset_hw(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	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
   634
		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
   635
	if (e1000_init_hw(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		DPRINTK(PROBE, ERR, "Hardware Error\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	/* 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
   639
	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
   640
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	e1000_reset_adaptive(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	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
   643
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	if (!adapter->smart_power_down &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	    (adapter->hw.mac_type == e1000_82571 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	     adapter->hw.mac_type == e1000_82572)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		uint16_t phy_data = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		/* 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
   649
		 * 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
   650
		 * 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
   651
		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
   652
		                   &phy_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		phy_data &= ~IGP02E1000_PM_SPD;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		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
   655
		                    phy_data);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	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
   659
	/* 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
   660
	if (adapter->en_mng_pt) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		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
   662
		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
   663
		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
   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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
 * e1000_probe - Device Initialization Routine
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
 * @pdev: PCI device information struct
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
 * @ent: entry in e1000_pci_tbl
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
 * 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
   673
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
 * 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
   675
 * 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
   676
 * and a hardware reset occur.
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
e1000_probe(struct pci_dev *pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
            const struct pci_device_id *ent)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	struct net_device *netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	struct e1000_adapter *adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	unsigned long mmio_start, mmio_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	unsigned long flash_start, flash_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	static int cards_found = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	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
   690
	int i, err, pci_using_dac;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	uint16_t eeprom_data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	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
   693
	if ((err = pci_enable_device(pdev)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	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
   697
	    !(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
   698
		pci_using_dac = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		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
   701
		    (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
   702
			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
   703
			return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		pci_using_dac = 0;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	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
   709
		return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	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
   714
	if (!netdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		err = -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		goto err_alloc_etherdev;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	SET_MODULE_OWNER(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	SET_NETDEV_DEV(netdev, &pdev->dev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	pci_set_drvdata(pdev, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	adapter->netdev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	adapter->pdev = pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	adapter->hw.back = adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	adapter->msg_enable = (1 << debug) - 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	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
   730
	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
   731
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	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
   733
	if (!adapter->hw.hw_addr) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		goto err_ioremap;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	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
   739
		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
   740
			continue;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		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
   742
			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
   743
			break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	netdev->open = &e1000_open;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	netdev->stop = &e1000_close;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	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
   750
	netdev->get_stats = &e1000_get_stats;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	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
   752
	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
   753
	netdev->change_mtu = &e1000_change_mtu;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	netdev->do_ioctl = &e1000_ioctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	e1000_set_ethtool_ops(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	netdev->tx_timeout = &e1000_tx_timeout;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	netdev->watchdog_timeo = 5 * HZ;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	netdev->poll = &e1000_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	netdev->weight = 64;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	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
   763
	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
   764
	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
   765
#ifdef CONFIG_NET_POLL_CONTROLLER
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	netdev->poll_controller = e1000_netpoll;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	strcpy(netdev->name, pci_name(pdev));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	netdev->mem_start = mmio_start;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	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
   772
	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
   773
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	adapter->bd_number = cards_found;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	/* setup the private structure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	if ((err = e1000_sw_init(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		goto err_sw_init;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	/* 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
   782
	 * because it depends on mac_type */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	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
   784
	   (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
   785
		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
   786
		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
   787
		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
   788
		if (!adapter->hw.flash_address) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
			err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
			goto err_flashmap;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	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
   795
		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
   796
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	/* 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
   798
	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
   799
			e1000_ksp3_port_a == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		adapter->ksp3_port_a = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	e1000_ksp3_port_a++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	/* Reset for multiple KP3 adapters */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	if (e1000_ksp3_port_a == 4)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		e1000_ksp3_port_a = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	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
   807
		netdev->features = NETIF_F_SG |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
				   NETIF_F_HW_CSUM |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
				   NETIF_F_HW_VLAN_TX |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
				   NETIF_F_HW_VLAN_RX |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
				   NETIF_F_HW_VLAN_FILTER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		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
   813
			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
   814
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	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
   818
	   (adapter->hw.mac_type != e1000_82547))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		netdev->features |= NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
#ifdef NETIF_F_TSO_IPV6
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	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
   823
		netdev->features |= NETIF_F_TSO_IPV6;
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
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	if (pci_using_dac)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		netdev->features |= NETIF_F_HIGHDMA;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	netdev->features |= NETIF_F_LLTX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	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
   832
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	/* initialize eeprom parameters */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	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
   836
		E1000_ERR("EEPROM initialization failed\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		return -EIO;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	/* 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
   841
	 * 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
   842
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	e1000_reset_hw(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	/* make sure the EEPROM is good */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	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
   848
		/* 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
   849
		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
   850
			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
   851
			err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			goto err_eeprom;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			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
   855
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	/* 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
   858
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	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
   860
		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
   861
	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
   862
	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
   863
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	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
   865
		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
   866
		err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		goto err_eeprom;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	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
   871
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	e1000_get_bus_info(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	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
   875
	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
   876
	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
   877
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	init_timer(&adapter->watchdog_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	adapter->watchdog_timer.function = &e1000_watchdog;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	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
   881
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	init_timer(&adapter->phy_info_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	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
   884
	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
   885
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	INIT_WORK(&adapter->reset_task,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		(void (*)(void *))e1000_reset_task, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	/* 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
   890
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		netif_stop_queue(netdev);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	e1000_check_options(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	/* Initial Wake on LAN setting
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	 * 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
   900
	 * enable the ACPI Magic Packet filter
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	case e1000_82542_rev2_0:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	case e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	case e1000_82543:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	case e1000_82544:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
			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
   911
		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
   912
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
			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
   916
		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
   917
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	case e1000_82546:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	case e1000_82546_rev_3:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
		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
   923
			e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
				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
   925
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		/* Fall Through */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
			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
   931
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	if (eeprom_data & eeprom_apme_mask)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		adapter->wol |= E1000_WUFC_MAG;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	/* print bus type/speed/width info */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	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
   940
		((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
   941
		 (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
   942
		((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
   943
		 (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
   944
		 (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
   945
		 (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
   946
		 (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
   947
		((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
   948
		 (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
   949
		 (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
   950
		 "32-bit"));
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	for (i = 0; i < 6; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
		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
   955
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	/* 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
   957
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	/* 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
   960
	 * 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
   961
	 * 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
   962
	 * of the driver. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	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
   964
	    !e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   967
	// offer device to EtherCAT master module
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   968
	if (ecdev_offer(netdev, ec_poll, THIS_MODULE, &adapter->ecdev)) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   969
		DPRINTK(PROBE, ERR, "Failed to offer device.\n");
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		goto err_register;
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   971
	}
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   972
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   973
	if (adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   974
		if (ecdev_open(adapter->ecdev)) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   975
			ecdev_withdraw(adapter->ecdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   976
			goto err_register;
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   977
		}
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   978
	} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   979
		strcpy(netdev->name, "eth%d");
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   980
		if ((err = register_netdev(netdev)))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   981
			goto err_register;
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   982
	}
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   983
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
   984
	return 0;
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	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
   987
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	cards_found++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
err_register:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	if (adapter->hw.flash_address)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
		iounmap(adapter->hw.flash_address);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
err_flashmap:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
err_sw_init:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
err_eeprom:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	iounmap(adapter->hw.hw_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
err_ioremap:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	free_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
err_alloc_etherdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	pci_release_regions(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
 * e1000_remove - Device Removal Routine
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
 * @pdev: PCI device information struct
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
 * 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
  1010
 * 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
  1011
 * 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
  1012
 * memory.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
static void __devexit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
e1000_remove(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	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
  1019
	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
  1020
	uint32_t manc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
#endif
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
	flush_scheduled_work();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	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
  1028
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	   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
  1030
		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
  1031
		if (manc & E1000_MANC_SMBUS_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
			manc |= E1000_MANC_ARP_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
			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
  1034
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	/* 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
  1038
	 * 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
  1039
	e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1041
	if (adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1042
		ecdev_close(adapter->ecdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1043
		ecdev_withdraw(adapter->ecdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1044
	} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1045
		unregister_netdev(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1046
	}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	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
  1049
		dev_put(&adapter->polling_netdev[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	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
  1053
		e1000_phy_hw_reset(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	kfree(adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	kfree(adapter->polling_netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	iounmap(adapter->hw.hw_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	if (adapter->hw.flash_address)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		iounmap(adapter->hw.flash_address);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	pci_release_regions(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	free_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	pci_disable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
}
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
 * 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
  1073
 * @adapter: board private structure to initialize
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
 * 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
  1076
 * 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
  1077
 * OS network device settings (MTU size).
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
 **/
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
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
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
  1082
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	/* PCI config space info */
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
	hw->vendor_id = pdev->vendor;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	hw->device_id = pdev->device;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	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
  1095
	hw->subsystem_id = pdev->subsystem_device;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	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
  1098
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	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
  1100
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	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
  1102
	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
  1103
	hw->max_frame_size = netdev->mtu +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	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
  1106
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	/* identify the MAC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	if (e1000_set_mac_type(hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		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
  1111
		return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	switch (hw->mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	case e1000_82541:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	case e1000_82547:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	case e1000_82541_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	case e1000_82547_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		hw->phy_init_script = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	}
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
	e1000_set_media_type(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	hw->wait_autoneg_complete = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	hw->tbi_compatibility_en = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	hw->adaptive_ifs = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	/* Copper options */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	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
  1134
		hw->mdix = AUTO_ALL_MODES;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		hw->disable_polarity_correction = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		hw->master_slave = E1000_MASTER_SLAVE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	adapter->num_tx_queues = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	adapter->num_rx_queues = 1;
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
	if (e1000_alloc_queues(adapter)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		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
  1144
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	}
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
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	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
  1149
		adapter->polling_netdev[i].priv = adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		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
  1151
		adapter->polling_netdev[i].weight = 64;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		dev_hold(&adapter->polling_netdev[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		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
  1154
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	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
  1156
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	atomic_set(&adapter->irq_sem, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	spin_lock_init(&adapter->stats_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	return 0;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
 * 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
  1166
 * @adapter: board private structure to initialize
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
 * 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
  1169
 * 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
  1170
 * 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
  1171
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
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
  1175
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	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
  1179
	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
  1180
	if (!adapter->tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	memset(adapter->tx_ring, 0, size);
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
	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
  1185
	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
  1186
	if (!adapter->rx_ring) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	memset(adapter->rx_ring, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	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
  1194
	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
  1195
	if (!adapter->polling_netdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		kfree(adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	memset(adapter->polling_netdev, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
 * 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
  1208
 * @netdev: network interface device structure
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
 * 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
  1211
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
 * 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
  1213
 * 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
  1214
 * 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
  1215
 * 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
  1216
 * 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
  1217
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
e1000_open(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	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
  1223
	int err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	/* disallow open during test */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	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
  1227
		return -EBUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	/* allocate transmit descriptors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	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
  1232
		goto err_setup_tx;
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
	/* allocate receive descriptors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	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
  1237
		goto err_setup_rx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1239
	if (!adapter->ecdev) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		err = e1000_request_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		if (err)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			goto err_up;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	e1000_power_up_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	if ((err = e1000_up(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		goto err_up;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	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
  1250
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
			  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
  1252
		e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	/* 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
  1256
	 * interface is now open */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	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
  1258
	    e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	return E1000_SUCCESS;
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
err_up:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	e1000_free_all_rx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
err_setup_rx:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	e1000_free_all_tx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
err_setup_tx:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
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_close - Disables a network interface
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
 * @netdev: network interface device structure
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
 * 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
  1278
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
 * 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
  1280
 * 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
  1281
 * 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
  1282
 * 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
  1283
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
e1000_close(struct net_device *netdev)
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
	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
  1289
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	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
  1291
	e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	e1000_power_down_phy(adapter);
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  1293
	if (!adapter->ecdev) e1000_free_irq(adapter);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	e1000_free_all_tx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	e1000_free_all_rx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
			  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
  1300
		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
  1301
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	/* 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
  1304
	 * interface is now closed */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	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
  1306
	    e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	return 0;
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
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
 * 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
  1314
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
 * @start: address of beginning of memory
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * @len: length of memory
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
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
  1320
		      void *start, unsigned long len)
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
	unsigned long begin = (unsigned long) start;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	unsigned long end = begin + len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	/* 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
  1326
	 * 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
  1327
	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
  1328
	    adapter->hw.mac_type == e1000_82546) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		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
  1330
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
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
 * 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
  1337
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
 * @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
  1339
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
 * 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
  1341
 **/
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
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
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
  1345
                         struct e1000_tx_ring *txdr)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	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
  1351
	txdr->buffer_info = vmalloc(size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	if (!txdr->buffer_info) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		"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
  1355
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	memset(txdr->buffer_info, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	/* round up to nearest 4K */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	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
  1362
	E1000_ROUNDUP(txdr->size, 4096);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	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
  1365
	if (!txdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
setup_tx_desc_die:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		vfree(txdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
		"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
  1370
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	/* 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
  1374
	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
  1375
		void *olddesc = txdr->desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		dma_addr_t olddma = txdr->dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
		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
  1378
				     "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
  1379
		/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		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
  1381
		/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		if (!txdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
			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
  1384
			goto setup_tx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		}
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
		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
  1388
			/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
			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
  1390
					    txdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
			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
  1392
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
				"Unable to allocate aligned memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
				"for the transmit descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
			vfree(txdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
			return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
			/* 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
  1399
			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
  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
	memset(txdr->desc, 0, txdr->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	txdr->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	txdr->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	spin_lock_init(&txdr->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
 * 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
  1413
 * 				  (Descriptors) for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
 * @adapter: board private structure
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
 * 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
  1417
 * 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
  1418
 * 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
  1419
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
 * 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
  1421
 **/
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
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
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
  1425
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	int i, err = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	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
  1429
		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
  1430
		if (err) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
				"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
  1433
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		}
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 * 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
  1442
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
 * 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
  1445
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
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
  1449
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	uint64_t tdba;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	uint32_t tdlen, tctl, tipg, tarc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	uint32_t ipgr1, ipgr2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	/* 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
  1456
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	switch (adapter->num_tx_queues) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
		tdba = adapter->tx_ring[0].dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		tdlen = adapter->tx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
			sizeof(struct e1000_tx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		E1000_WRITE_REG(hw, TDLEN, tdlen);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		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
  1465
		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
  1466
		E1000_WRITE_REG(hw, TDT, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		E1000_WRITE_REG(hw, TDH, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		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
  1469
		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
  1470
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	/* 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
  1474
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	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
  1476
	    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
  1477
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	switch (hw->mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	case e1000_82542_rev2_0:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	case e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
		tipg = DEFAULT_82542_TIPG_IPGT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	E1000_WRITE_REG(hw, TIPG, tipg);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	/* Set the Tx Interrupt Delay register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	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
  1504
	if (hw->mac_type >= e1000_82540)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		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
  1506
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	/* Program the Transmit Control Register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	tctl = E1000_READ_REG(hw, TCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	tctl &= ~E1000_TCTL_CT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	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
  1513
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
#ifdef DISABLE_MULR
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	/* disable Multiple Reads for debugging */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	tctl &= ~E1000_TCTL_MULR;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
#endif
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
	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
  1521
		tarc = E1000_READ_REG(hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		tarc |= ((1 << 25) | (1 << 21));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		E1000_WRITE_REG(hw, TARC0, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
		tarc = E1000_READ_REG(hw, TARC1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		tarc |= (1 << 25);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		if (tctl & E1000_TCTL_MULR)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
			tarc &= ~(1 << 28);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
			tarc |= (1 << 28);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		E1000_WRITE_REG(hw, TARC1, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	} 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
  1532
		tarc = E1000_READ_REG(hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
		tarc |= 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		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
  1535
			tarc |= (1 << 20);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		E1000_WRITE_REG(hw, TARC0, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		tarc = E1000_READ_REG(hw, TARC1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		tarc |= 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		E1000_WRITE_REG(hw, TARC1, tarc);
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
	e1000_config_collision_dist(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	/* 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
  1545
	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
  1546
		E1000_TXD_CMD_IFCS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	if (hw->mac_type < e1000_82543)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		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
  1550
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		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
  1552
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	/* 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
  1554
	 * 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
  1555
	if (hw->mac_type == e1000_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	    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
  1557
		adapter->pcix_82544 = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	E1000_WRITE_REG(hw, TCTL, tctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
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
 * 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
  1565
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
 * @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
  1567
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
 * 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
  1569
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
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
  1573
                         struct e1000_rx_ring *rxdr)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	int size, desc_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	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
  1579
	rxdr->buffer_info = vmalloc(size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	if (!rxdr->buffer_info) {
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->buffer_info, 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
	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
  1588
	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
  1589
	if (!rxdr->ps_page) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		"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
  1593
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	memset(rxdr->ps_page, 0, size);
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
	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
  1598
	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
  1599
	if (!rxdr->ps_page_dma) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		kfree(rxdr->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		"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
  1604
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	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
  1607
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	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
  1609
		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
  1610
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		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
  1612
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	/* Round up to nearest 4K */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	rxdr->size = rxdr->count * desc_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	E1000_ROUNDUP(rxdr->size, 4096);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	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
  1619
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	if (!rxdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		"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
  1623
setup_rx_desc_die:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		kfree(rxdr->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		kfree(rxdr->ps_page_dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	/* 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
  1631
	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
  1632
		void *olddesc = rxdr->desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		dma_addr_t olddma = rxdr->dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		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
  1635
				     "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
  1636
		/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		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
  1638
		/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		if (!rxdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
			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
  1641
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
				"Unable to allocate memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
				"for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
			goto setup_rx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		}
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
		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
  1648
			/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
			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
  1650
					    rxdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
			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
  1652
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
				"Unable to allocate aligned memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
				"for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
			goto setup_rx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
			/* 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
  1658
			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
  1659
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	memset(rxdr->desc, 0, rxdr->size);
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
	rxdr->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	rxdr->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
 * 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
  1671
 * 				  (Descriptors) for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
 * @adapter: board private structure
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
 * 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
  1675
 * 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
  1676
 * 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
  1677
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
 * 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
  1679
 **/
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
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
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
  1683
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	int i, err = 0;
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
	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
  1687
		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
  1688
		if (err) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
				"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
  1691
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		}
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
 * 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
  1700
 * @adapter: Board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
#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
  1703
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
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
  1706
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	uint32_t rctl, rfctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	uint32_t psrctl = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	uint32_t pages = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	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
  1714
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	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
  1718
		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
  1719
		(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
  1720
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	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
  1722
		rctl |= E1000_RCTL_SBP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		rctl &= ~E1000_RCTL_SBP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	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
  1727
		rctl &= ~E1000_RCTL_LPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		rctl |= E1000_RCTL_LPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	/* Setup buffer sizes */
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
	rctl |= E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	switch (adapter->rx_buffer_len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		case E1000_RXBUFFER_256:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
			rctl |= E1000_RCTL_SZ_256;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		case E1000_RXBUFFER_512:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
			rctl |= E1000_RCTL_SZ_512;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		case E1000_RXBUFFER_1024:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
			rctl |= E1000_RCTL_SZ_1024;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		case E1000_RXBUFFER_2048:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
			rctl |= E1000_RCTL_SZ_2048;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		case E1000_RXBUFFER_4096:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
			rctl |= E1000_RCTL_SZ_4096;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		case E1000_RXBUFFER_8192:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
			rctl |= E1000_RCTL_SZ_8192;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		case E1000_RXBUFFER_16384:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
			rctl |= E1000_RCTL_SZ_16384;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	/* 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
  1765
	 * 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
  1766
	 * 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
  1767
	 * 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
  1768
	 * 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
  1769
	 * 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
  1770
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	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
  1772
	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
  1773
	    PAGE_SIZE <= 16384)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		adapter->rx_ps_pages = pages;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		adapter->rx_ps_pages = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	if (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		/* Configure extra packet-split registers */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		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
  1781
		rfctl |= E1000_RFCTL_EXTEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		/* disable IPv6 packet split support */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		rfctl |= E1000_RFCTL_IPV6_DIS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		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
  1785
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		rctl |= E1000_RCTL_DTYP_PS;
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
		psrctl |= adapter->rx_ps_bsize0 >>
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
			E1000_PSRCTL_BSIZE0_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		switch (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		case 3:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
			psrctl |= PAGE_SIZE <<
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
				E1000_PSRCTL_BSIZE3_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		case 2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
			psrctl |= PAGE_SIZE <<
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
				E1000_PSRCTL_BSIZE2_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
			psrctl |= PAGE_SIZE >>
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
				E1000_PSRCTL_BSIZE1_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
			break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		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
  1805
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	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
  1808
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
 * 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
  1812
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
 * 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
  1815
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
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
  1819
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	uint64_t rdba;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	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
  1823
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	if (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		/* this is a 32 byte descriptor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		rdlen = adapter->rx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
			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
  1828
		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
  1829
		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
  1830
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		rdlen = adapter->rx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
			sizeof(struct e1000_rx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		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
  1834
		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
  1835
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	/* 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
  1838
	rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	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
  1840
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	/* set the Receive Delay Timer Register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	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
  1843
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	if (hw->mac_type >= e1000_82540) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		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
  1846
		if (adapter->itr > 1)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			E1000_WRITE_REG(hw, ITR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
				1000000000 / (adapter->itr * 256));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	if (hw->mac_type >= e1000_82571) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		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
  1853
		/* Reset delay timers after every interrupt */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		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
  1855
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		/* Auto-Mask interrupts upon ICR read. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		ctrl_ext |= E1000_CTRL_EXT_IAME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		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
  1860
		E1000_WRITE_REG(hw, IAM, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	/* 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
  1865
	 * 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
  1866
	switch (adapter->num_rx_queues) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		rdba = adapter->rx_ring[0].dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		E1000_WRITE_REG(hw, RDLEN, rdlen);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		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
  1872
		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
  1873
		E1000_WRITE_REG(hw, RDT, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		E1000_WRITE_REG(hw, RDH, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		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
  1876
		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
  1877
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	/* 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
  1881
	if (hw->mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		rxcsum = E1000_READ_REG(hw, RXCSUM);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		if (adapter->rx_csum == TRUE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
			rxcsum |= E1000_RXCSUM_TUOFL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			/* 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
  1887
			 * 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
  1888
			if ((hw->mac_type >= e1000_82571) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			    (adapter->rx_ps_pages)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
				rxcsum |= E1000_RXCSUM_IPPCSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
			rxcsum &= ~E1000_RXCSUM_TUOFL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			/* 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
  1895
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		E1000_WRITE_REG(hw, RXCSUM, rxcsum);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	/* Enable Receives */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	E1000_WRITE_REG(hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
}
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 * 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
  1905
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
 * @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
  1907
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * Free all transmit software resources
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
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
  1913
                        struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	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
  1918
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	vfree(tx_ring->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	tx_ring->buffer_info = NULL;
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
	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
  1923
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	tx_ring->desc = NULL;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 * 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
  1929
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
 * Free all transmit software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
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
  1936
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	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
  1940
		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
  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_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
  1945
			struct e1000_buffer *buffer_info)
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
	if (buffer_info->dma) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		pci_unmap_page(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
				buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
				buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
				PCI_DMA_TODEVICE);
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
	if (buffer_info->skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		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
  1955
	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
  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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
 * 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
  1960
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 * @tx_ring: ring to be cleaned
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
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
  1966
                    struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	unsigned long size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	unsigned int i;
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
	/* 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
  1973
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
	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
  1975
		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
  1976
		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
  1977
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	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
  1980
	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
  1981
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	/* Zero out the descriptor ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	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
  1985
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	tx_ring->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	tx_ring->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	tx_ring->last_tx_tso = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	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
  1991
	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
  1992
}
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
 * 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
  1996
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 **/
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
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
  2001
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	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
  2005
		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
  2006
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
 * 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
  2010
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
 * @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
  2012
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 * Free all receive software resources
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
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
  2018
                        struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	struct pci_dev *pdev = adapter->pdev;
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
	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
  2023
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	vfree(rx_ring->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	rx_ring->buffer_info = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	kfree(rx_ring->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	rx_ring->ps_page = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	kfree(rx_ring->ps_page_dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	rx_ring->ps_page_dma = NULL;
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
	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
  2032
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	rx_ring->desc = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
}
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
 * 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
  2038
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
 * Free all receive software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
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
  2045
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	int i;
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
	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
  2049
		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
  2050
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
 * 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
  2054
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
 * @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
  2056
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
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
  2060
                    struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	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
  2065
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	unsigned long size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	/* 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
  2070
	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
  2071
		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
  2072
		if (buffer_info->skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
			pci_unmap_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
					 buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
					 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
					 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
			dev_kfree_skb(buffer_info->skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
			buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		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
  2082
		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
  2083
		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
  2084
			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
  2085
			pci_unmap_page(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
				       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
  2087
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
			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
  2089
			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
  2090
			ps_page->ps_page[j] = NULL;
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
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	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
  2095
	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
  2096
	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
  2097
	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
  2098
	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
  2099
	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
  2100
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	/* Zero out the descriptor ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	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
  2104
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	rx_ring->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	rx_ring->next_to_use = 0;
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
	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
  2109
	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
  2110
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
 * 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
  2114
 * @adapter: board private structure
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
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
  2119
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	int i;
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
	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
  2123
		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
  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
/* 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
  2127
 * 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
  2128
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
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
  2131
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	e1000_pci_clear_mwi(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	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
  2138
	rctl |= E1000_RCTL_RST;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	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
  2140
	E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	mdelay(5);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2143
	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
  2144
		e1000_clean_all_rx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
}
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
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
  2149
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	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
  2154
	rctl &= ~E1000_RCTL_RST;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	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
  2156
	E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	mdelay(5);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	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
  2160
		e1000_pci_set_mwi(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2162
	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
  2163
		/* 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
  2164
		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
  2165
		e1000_configure_rx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		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
  2167
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
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
 * 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
  2172
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
 * @p: pointer to an address structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
 * 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
  2176
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
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
  2180
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	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
  2182
	struct sockaddr *addr = p;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	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
  2185
		return -EADDRNOTAVAIL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	/* 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
  2188
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	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
  2190
		e1000_enter_82542_rst(adapter);
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
	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
  2193
	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
  2194
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	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
  2196
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	/* 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
  2198
	 * 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
  2199
	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
  2200
		/* activate the work around */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
		adapter->hw.laa_is_present = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
		/* 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
  2204
		 * 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
  2205
		 * 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
  2206
		 * 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
  2207
		 * 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
  2208
		 * RAR[14] */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		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
  2210
					E1000_RAR_ENTRIES - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	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
  2214
		e1000_leave_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
 * 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
  2221
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
 * 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
  2224
 * 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
  2225
 * 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
  2226
 * promiscuous mode, and all-multi behavior.
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
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
  2231
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	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
  2233
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	struct dev_mc_list *mc_ptr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	uint32_t hash_value;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	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
  2238
	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
  2239
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
				E1000_NUM_MTA_REGISTERS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	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
  2243
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
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
	/* 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
  2246
	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
  2247
		rar_entries--;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	/* 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
  2250
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	rctl = E1000_READ_REG(hw, RCTL);
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
	if (netdev->flags & IFF_PROMISC) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		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
  2255
	} else if (netdev->flags & IFF_ALLMULTI) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
		rctl |= E1000_RCTL_MPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
		rctl &= ~E1000_RCTL_UPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		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
  2260
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	E1000_WRITE_REG(hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	/* 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
  2265
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	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
  2267
		e1000_enter_82542_rst(adapter);
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
	/* 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
  2270
	 * 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
  2271
	 * 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
  2272
	 * -- 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
  2273
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	mc_ptr = netdev->mc_list;
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 (i = 1; i < rar_entries; i++) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		if (mc_ptr) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
			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
  2279
			mc_ptr = mc_ptr->next;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
			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
  2282
			E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			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
  2284
			E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	}
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
	/* 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
  2289
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	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
  2291
		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
  2292
		E1000_WRITE_FLUSH(hw);
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
	/* 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
  2296
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	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
  2298
		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
  2299
		e1000_mta_set(hw, hash_value);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	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
  2303
		e1000_leave_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
/* 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
  2307
 * the phy */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
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
  2311
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	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
  2313
	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
  2314
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
 * 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
  2318
 * @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
  2319
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
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
  2323
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	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
  2325
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	uint32_t tctl;
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
	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
  2329
		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
  2330
		    E1000_READ_REG(&adapter->hw, TDH)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		   (E1000_READ_REG(&adapter->hw, TDFT) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		    E1000_READ_REG(&adapter->hw, TDFH)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		   (E1000_READ_REG(&adapter->hw, TDFTS) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		    E1000_READ_REG(&adapter->hw, TDFHS))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
			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
  2336
			E1000_WRITE_REG(&adapter->hw, TCTL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
					tctl & ~E1000_TCTL_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
			E1000_WRITE_REG(&adapter->hw, TDFT,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
			E1000_WRITE_REG(&adapter->hw, TDFH,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
			E1000_WRITE_REG(&adapter->hw, TDFTS,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
			E1000_WRITE_REG(&adapter->hw, TDFHS,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
			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
  2347
			E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
			adapter->tx_fifo_head = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
			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
  2351
			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
  2352
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
			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
  2354
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
}
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
 * e1000_watchdog - Timer Call-back
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
 * @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
  2361
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
e1000_watchdog(unsigned long data)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	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
  2366
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	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
  2368
	uint32_t link, tctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	int32_t ret_val;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	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
  2372
	if ((ret_val == E1000_ERR_PHY) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	    (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
  2374
	    (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
  2375
		/* See e1000_kumeran_lock_loss_workaround() */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		DPRINTK(LINK, INFO,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
			"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
  2378
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	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
  2380
		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
  2381
		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
  2382
			e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	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
  2386
	   !(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
  2387
		link = !adapter->hw.serdes_link_down;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		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
  2390
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	if (link) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2392
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2393
				|| (!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
  2394
			boolean_t txb2b = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			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
  2396
			                           &adapter->link_speed,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
			                           &adapter->link_duplex);
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
			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
  2400
			       adapter->link_speed,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
			       adapter->link_duplex == FULL_DUPLEX ?
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
			       "Full Duplex" : "Half Duplex");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
			/* 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
  2405
			 * and adjust the timeout factor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			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
  2407
			adapter->tx_timeout_factor = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			switch (adapter->link_speed) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			case SPEED_10:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
				txb2b = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
				netdev->tx_queue_len = 10;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
				adapter->tx_timeout_factor = 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			case SPEED_100:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
				txb2b = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
				netdev->tx_queue_len = 100;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
				/* maybe add some timeout factor ? */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
			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
  2422
			     adapter->hw.mac_type == e1000_82572) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
			    txb2b == 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
#define SPEED_MODE_BIT (1 << 21)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
				uint32_t tarc0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
				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
  2427
				tarc0 &= ~SPEED_MODE_BIT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
				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
  2429
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
				
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
			/* 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
  2433
			 * some hardware issues */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
			if (!adapter->tso_force &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
			    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
  2436
				switch (adapter->link_speed) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
				case SPEED_10:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
				case SPEED_100:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
					DPRINTK(PROBE,INFO,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
				        "10/100 speed: disabling TSO\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
					netdev->features &= ~NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
				case SPEED_1000:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
					netdev->features |= NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
				default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
					/* oops */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
			/* 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
  2454
			 * after setting TARC0 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
			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
  2456
			tctl |= E1000_TCTL_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
			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
  2458
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2459
			if (adapter->ecdev) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2460
				ecdev_set_link(adapter->ecdev, 1);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2461
			} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2462
				netif_carrier_on(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2463
				netif_wake_queue(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2464
			}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			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
  2466
			adapter->smartspeed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	} else {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2469
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2470
				|| (!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
  2471
			adapter->link_speed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
			adapter->link_duplex = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2474
			if (adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2475
				ecdev_set_link(adapter->ecdev, 0);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2476
			} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2477
				netif_carrier_off(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2478
				netif_stop_queue(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2479
			}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
			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
  2481
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
			/* 80003ES2LAN workaround--
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			 * 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
  2484
			 * disable receives in the ISR and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			 * reset device here in the watchdog
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
			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
  2488
				/* reset device */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
				schedule_work(&adapter->reset_task);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		e1000_smartspeed(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	e1000_update_stats(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	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
  2499
	adapter->tpt_old = adapter->stats.tpt;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
	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
  2501
	adapter->colc_old = adapter->stats.colc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	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
  2504
	adapter->gorcl_old = adapter->stats.gorcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	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
  2506
	adapter->gotcl_old = adapter->stats.gotcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	e1000_update_adaptive(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2510
	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2511
			|| (!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
  2512
		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
  2513
			/* 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
  2514
			 * 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
  2515
			 * 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
  2516
			 * (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
  2517
			adapter->tx_timeout_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			schedule_work(&adapter->reset_task);
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
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	/* 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
  2523
	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
  2524
		/* 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
  2525
		 * 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
  2526
		 * else is between 2000-8000. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		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
  2528
		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
  2529
			adapter->gotcl - adapter->gorcl :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			adapter->gorcl - adapter->gotcl) / 10000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		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
  2532
		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
  2533
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	/* 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
  2536
	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
  2537
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	/* 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
  2539
	adapter->detect_tx_hung = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	/* 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
  2542
	 * 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
  2543
	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
  2544
		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
  2545
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	/* Reset the timer */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	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
  2548
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
#define E1000_TX_FLAGS_CSUM		0x00000001
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
#define E1000_TX_FLAGS_VLAN		0x00000002
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
#define E1000_TX_FLAGS_TSO		0x00000004
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
#define E1000_TX_FLAGS_IPV4		0x00000008
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
#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
  2555
#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
  2556
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
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
  2559
          struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	struct e1000_context_desc *context_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	uint32_t cmd_length = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	uint16_t ipcse = 0, tucse, mss;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	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
  2568
	int err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	if (skb_is_gso(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		if (skb_header_cloned(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			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
  2573
			if (err)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
				return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		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
  2578
		mss = skb_shinfo(skb)->gso_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		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
  2580
			skb->nh.iph->tot_len = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			skb->nh.iph->check = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			skb->h.th->check =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
				~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
  2584
						   skb->nh.iph->daddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
						   0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
						   IPPROTO_TCP,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
						   0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			cmd_length = E1000_TXD_CMD_IP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
			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
  2590
#ifdef NETIF_F_TSO_IPV6
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
		} 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
  2592
			skb->nh.ipv6h->payload_len = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			skb->h.th->check =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
				~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
  2595
						 &skb->nh.ipv6h->daddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
						 0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
						 IPPROTO_TCP,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
						 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
			ipcse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		ipcss = skb->nh.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
		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
  2604
		tucss = skb->h.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
		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
  2606
		tucse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
		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
  2609
			       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
  2610
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
		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
  2613
		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
  2614
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
		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
  2616
		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
  2617
		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
  2618
		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
  2619
		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
  2620
		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
  2621
		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
  2622
		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
  2623
		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
  2624
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		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
  2628
		tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
		return TRUE;
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
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	return FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
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
  2639
              struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	struct e1000_context_desc *context_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	uint8_t css;
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
	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
  2647
		css = skb->h.raw - skb->data;
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
		i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		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
  2651
		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
  2652
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		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
  2654
		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
  2655
		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
  2656
		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
  2657
		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
  2658
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		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
  2662
		tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	return FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
#define E1000_MAX_TXD_PWR	12
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
#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
  2672
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
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
  2675
             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
  2676
             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
  2677
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	unsigned int len = skb->len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	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
  2681
	unsigned int f;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	len -= skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	while (len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		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
  2688
		size = min(len, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		/* Workaround for Controller erratum --
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		 * 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
  2692
		 * 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
  2693
		 * DMA'd to the controller */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
		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
  2695
		    !skb_is_gso(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
			tx_ring->last_tx_tso = 0;
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
		}
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
		/* Workaround for premature desc write-backs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		 * 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
  2702
		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
  2703
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		/* 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
  2706
		 * 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
  2707
		 * 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
  2708
		 * 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
  2709
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		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
  2711
		                (size > 2015) && count == 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		        size = 2015;
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
		/* 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
  2715
		 * terminating buffers within evenly-aligned dwords. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		if (unlikely(adapter->pcix_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		   !((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
  2718
		   size > 4))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
			size -= 4;
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
		buffer_info->length = size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		buffer_info->dma =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
			pci_map_single(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
				skb->data + offset,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
				size,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
				PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		len -= size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		offset += size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		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
  2733
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	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
  2736
		struct skb_frag_struct *frag;
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
		frag = &skb_shinfo(skb)->frags[f];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
		len = frag->size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		offset = frag->page_offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
		while (len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
			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
  2744
			size = min(len, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
			/* Workaround for premature desc write-backs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
			 * 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
  2748
			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
  2749
				size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
			/* 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
  2752
			 * Avoid terminating buffers within evenly-aligned
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
			 * dwords. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
			if (unlikely(adapter->pcix_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
			   !((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
  2756
			   size > 4))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
				size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
			buffer_info->length = size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
			buffer_info->dma =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
				pci_map_page(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
					frag->page,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
					offset,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
					size,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
					PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
			buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
			len -= size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
			offset += size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			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
  2772
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	}
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
	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
  2776
	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
  2777
	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
  2778
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	return count;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
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
  2784
               int tx_flags, int count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	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
  2787
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	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
  2789
	unsigned int i;
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
	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
  2792
		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
  2793
		             E1000_TXD_CMD_TSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		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
  2795
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		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
  2797
			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
  2798
	}
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
	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
  2801
		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
  2802
		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
  2803
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	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
  2806
		txd_lower |= E1000_TXD_CMD_VLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		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
  2808
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	i = tx_ring->next_to_use;
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
	while (count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		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
  2814
		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
  2815
		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
  2816
		tx_desc->lower.data =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
			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
  2818
		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
  2819
		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
  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
	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
  2823
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	/* 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
  2825
	 * 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
  2826
	 * 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
  2827
	 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	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
  2832
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
 * 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
  2836
 * 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
  2837
 * 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
  2838
 * 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
  2839
 * 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
  2840
 * 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
  2841
 **/
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
#define E1000_FIFO_HDR			0x10
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
#define E1000_82547_PAD_LEN		0x3E0
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
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
  2848
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	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
  2850
	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
  2851
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	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
  2853
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	if (adapter->link_duplex != HALF_DUPLEX)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		goto no_fifo_stall_required;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	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
  2858
		return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	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
  2861
		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
  2862
		return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
no_fifo_stall_required:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	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
  2867
	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
  2868
		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
  2869
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
#define MINIMUM_DHCP_PACKET_SIZE 282
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
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
  2875
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	struct e1000_hw *hw =  &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	uint16_t length, offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	if (vlan_tx_tag_present(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		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
  2880
			( adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
			  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
  2882
			return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	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
  2885
		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
  2886
		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
  2887
			const struct iphdr *ip =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
				(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
  2889
			if (IPPROTO_UDP == ip->protocol) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
				struct udphdr *udp =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
					(struct udphdr *)((uint8_t *)ip +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
						(ip->ihl << 2));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
				if (ntohs(udp->dest) == 67) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
					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
  2895
					length = skb->len - offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
					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
  2898
							(uint8_t *)udp + 8,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
							length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		}
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
	return 0;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
#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
  2908
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
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
  2910
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	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
  2912
	struct e1000_tx_ring *tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	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
  2914
	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
  2915
	unsigned int tx_flags = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	unsigned int len = skb->len;
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2917
	unsigned long flags = 0;
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	unsigned int nr_frags = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	unsigned int mss = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	int count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	int tso;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	unsigned int f;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	len -= skb->data_len;
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
	tx_ring = adapter->tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	if (unlikely(skb->len <= 0)) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2928
		if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2929
			dev_kfree_skb_any(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	mss = skb_shinfo(skb)->gso_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	/* 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
  2936
	 * 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
  2937
	 * 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
  2938
	 * 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
  2939
	 * 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
  2940
	 * drops. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	if (mss) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		uint8_t hdr_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		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
  2944
		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
  2945
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	/* 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
  2947
	 * 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
  2948
	 * frags into skb->data */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		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
  2950
		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
  2951
			switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
				unsigned int pull_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
			case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
			case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
			case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
				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
  2958
				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
  2959
					DPRINTK(DRV, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
						"__pskb_pull_tail failed.\n");
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  2961
					if (!adapter->ecdev)
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  2962
						dev_kfree_skb_any(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
					return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
				len = skb->len - skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
			default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
				/* do nothing */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		}
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	/* 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
  2975
	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
  2976
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	if (skb->ip_summed == CHECKSUM_HW)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	/* Controller Erratum workaround */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	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
  2986
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	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
  2990
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	if (adapter->pcix_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	/* 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
  2995
	 * 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
  2996
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	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
  2998
			(len > 2015)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		count++;
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
	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
  3002
	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
  3003
		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
  3004
				       max_txd_pwr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	if (adapter->pcix_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		count += nr_frags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	if (adapter->hw.tx_pkt_filtering &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	    (adapter->hw.mac_type == e1000_82573))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		e1000_transfer_dhcp_info(adapter, skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3013
	if (!adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3014
		local_irq_save(flags);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3015
		if (!spin_trylock(&tx_ring->tx_lock)) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3016
			/* Collision - tell upper layer to requeue */
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3017
			local_irq_restore(flags);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3018
			return NETDEV_TX_LOCKED;
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3019
		}
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3020
	}
667
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
	/* 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
  3023
	 * head, otherwise try next time */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	if (unlikely(E1000_DESC_UNUSED(tx_ring) < count + 2)) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3025
		if (!adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3026
			netif_stop_queue(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3027
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3028
		}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		return NETDEV_TX_BUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	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
  3033
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3034
			if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3035
				netif_stop_queue(netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies);
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3037
			if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3038
				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
  3039
			return NETDEV_TX_BUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	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
  3044
		tx_flags |= E1000_TX_FLAGS_VLAN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		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
  3046
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	first = tx_ring->next_to_use;
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
	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
  3051
	if (tso < 0) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3052
		if (!adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3053
			dev_kfree_skb_any(skb);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3054
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3055
		}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	if (likely(tso)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		tx_ring->last_tx_tso = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		tx_flags |= E1000_TX_FLAGS_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	} 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
  3063
		tx_flags |= E1000_TX_FLAGS_CSUM;
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
	/* 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
  3066
	 * 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
  3067
	 * no longer assume, we must. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	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
  3069
		tx_flags |= E1000_TX_FLAGS_IPV4;
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
	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
  3072
	               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
  3073
	                            max_per_txd, nr_frags, mss));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	netdev->trans_start = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	/* 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
  3078
	if (!adapter->ecdev) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3079
		if (unlikely(E1000_DESC_UNUSED(tx_ring) < MAX_SKB_FRAGS + 2))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3080
			netif_stop_queue(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3081
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3082
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3083
	}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	return NETDEV_TX_OK;
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
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
 * 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
  3089
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
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
  3094
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	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
  3096
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	/* 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
  3098
	adapter->tx_timeout_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	schedule_work(&adapter->reset_task);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
}
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
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
  3104
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	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
  3106
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
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
 * 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
  3112
 * @netdev: network interface device structure
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
 * 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
  3115
 * 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
  3116
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
static struct net_device_stats *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
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
  3120
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	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
  3122
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	/* only return the current stats */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	return &adapter->net_stats;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
 * 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
  3129
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
 * @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
  3131
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
 * 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
  3133
 **/
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
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
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
  3137
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	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
  3139
	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
  3140
	uint16_t eeprom_data = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	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
  3143
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		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
  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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	/* Adapter-specific max frame size limits. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	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
  3151
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		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
  3153
			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
  3154
			return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		/* 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
  3159
		 * 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
  3160
		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
  3161
		                  &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		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
  3163
			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
  3164
				DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
			            	"Jumbo Frames not supported.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
				return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		/* fall through to get support */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
#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
  3175
		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
  3176
			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
  3177
			return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
		/* 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
  3182
		break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/* 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
  3186
	 * 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
  3187
	 * larger slab size
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	 * 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
  3189
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	if (max_frame <= E1000_RXBUFFER_256)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		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
  3192
	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
  3193
		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
  3194
	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
  3195
		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
  3196
	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
  3197
		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
  3198
	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
  3199
		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
  3200
	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
  3201
		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
  3202
	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
  3203
		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
  3204
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	/* 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
  3206
	if (!adapter->hw.tbi_compatibility_on &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		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
  3210
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	netdev->mtu = new_mtu;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3213
	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
  3214
		e1000_reinit_locked(adapter);
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
	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
  3217
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
 * 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
  3223
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
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
  3228
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	struct pci_dev *pdev = adapter->pdev;
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3231
	unsigned long flags = 0;
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	uint16_t phy_tmp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
#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
  3235
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	/*
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	 * 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
  3238
	 * connection is down.
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->link_speed == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	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
  3243
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3245
	if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3246
		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
  3247
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	/* 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
  3249
	 * 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
  3250
	 * 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
  3251
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	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
  3254
	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
  3255
	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
  3256
	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
  3257
	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
  3258
	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
  3259
	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
  3260
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	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
  3262
	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
  3263
	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
  3264
	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
  3265
	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
  3266
	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
  3267
	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
  3268
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	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
  3271
	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
  3272
	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
  3273
	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
  3274
	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
  3275
	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
  3276
	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
  3277
	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
  3278
	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
  3279
	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
  3280
	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
  3281
	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
  3282
	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
  3283
	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
  3284
	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
  3285
	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
  3286
	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
  3287
	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
  3288
	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
  3289
	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
  3290
	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
  3291
	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
  3292
	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
  3293
	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
  3294
	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
  3295
	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
  3296
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	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
  3298
	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
  3299
	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
  3300
	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
  3301
	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
  3302
	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
  3303
	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
  3304
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	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
  3307
	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
  3308
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	/* used for adaptive IFS */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	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
  3312
	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
  3313
	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
  3314
	adapter->stats.colc += hw->collision_delta;
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
	if (hw->mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
		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
  3318
		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
  3319
		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
  3320
		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
  3321
		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
  3322
		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
  3323
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	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
  3325
		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
  3326
		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
  3327
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
		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
  3329
		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
  3330
		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
  3331
		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
  3332
		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
  3333
		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
  3334
		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
  3335
		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
  3336
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	/* Fill out the OS statistics structure */
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
	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
  3342
	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
  3343
	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
  3344
	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
  3345
	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
  3346
	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
  3347
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	/* Rx Errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	/* 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
  3351
	* 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
  3352
	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
  3353
		adapter->stats.crcerrs + adapter->stats.algnerrc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
		adapter->stats.ruc + adapter->stats.roc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
		adapter->stats.cexterr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	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
  3357
	                                      adapter->stats.roc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	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
  3359
	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
  3360
	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
  3361
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	/* Tx Errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	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
  3365
	                               adapter->stats.latecol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	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
  3367
	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
  3368
	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
  3369
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	/* 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
  3371
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	/* Phy Stats */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	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
  3375
		if ((adapter->link_speed == SPEED_1000) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
		   (!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
  3377
			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
  3378
			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
  3379
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		if ((hw->mac_type <= e1000_82546) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		   (hw->phy_type == e1000_phy_m88) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		   !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
  3384
			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
  3385
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3387
	if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3388
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3389
}
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3390
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3391
void ec_poll(struct net_device *dev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3392
{
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3393
    e1000_intr(0, dev, NULL);
667
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
 * e1000_intr - Interrupt Handler
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
 * @irq: interrupt number
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
 * @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
  3400
 * @pt_regs: CPU registers structure
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
static irqreturn_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
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
  3405
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	struct net_device *netdev = data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	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
  3408
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	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
  3410
#ifndef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	/* Interrupt Auto-Mask...upon reading ICR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	 * 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
  3415
	 * 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
  3416
	 * account for it ASAP. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	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
  3418
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	if (unlikely(!icr)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
#ifdef CONFIG_E1000_NAPI
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3423
		if (hw->mac_type >= e1000_82571)
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
			e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		return IRQ_NONE;  /* Not our interrupt */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	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
  3430
		hw->get_link_status = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		/* 80003ES2LAN workaround--
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
		 * 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
  3433
		 * 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
  3434
		 * reset adapter in watchdog
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		 */
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3436
		if (((adapter->ecdev && ecdev_get_link(adapter->ecdev))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3437
					|| (!adapter->ecdev && netif_carrier_ok(netdev))) &&
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3438
				(adapter->hw.mac_type == e1000_80003es2lan)) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
			/* disable receives */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
			rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
			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
  3442
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		mod_timer(&adapter->watchdog_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	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
  3448
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		E1000_WRITE_REG(hw, IMC, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	}
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3452
	if (!adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3453
		if (likely(netif_rx_schedule_prep(netdev)))
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3454
			__netif_rx_schedule(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3455
		else
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3456
			e1000_irq_enable(adapter);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3457
	}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
#else
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3459
	/* Writing IMC and IMS is needed for 82547.
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3460
	 * 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
  3461
	 * 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
  3462
	 * 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
  3463
	 * 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
  3464
	 * 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
  3465
	 * 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
  3466
	 * 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
  3467
	 * de-assertion state.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	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
  3470
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		E1000_WRITE_REG(hw, IMC, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	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
  3475
		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
  3476
		   !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
  3477
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3479
	if (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
  3480
		e1000_irq_enable(adapter);
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
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	return IRQ_HANDLED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
 * e1000_clean - NAPI Rx polling callback
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
 * @adapter: board private structure
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
static int
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3494
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
  3495
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	struct e1000_adapter *adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	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
  3498
	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
  3499
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	/* 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
  3501
	adapter = poll_dev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	/* 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
  3504
	if (!netif_carrier_ok(poll_dev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		goto quit_polling;
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
	/* 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
  3508
	 * 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
  3509
	 * 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
  3510
	 * 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
  3511
	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
  3512
		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
  3513
		                                &adapter->tx_ring[0]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		spin_unlock(&adapter->tx_queue_lock);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	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
  3518
	                  &work_done, work_to_do);
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
	*budget -= work_done;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	poll_dev->quota -= work_done;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	/* 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
  3524
	if ((!tx_cleaned && (work_done == 0)) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	   !netif_running(poll_dev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
quit_polling:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		netif_rx_complete(poll_dev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
 * 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
  3538
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
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
  3543
                   struct e1000_tx_ring *tx_ring)
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
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	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
  3547
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	unsigned int i, eop;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	unsigned int count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	boolean_t cleaned = FALSE;
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
	i = tx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	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
  3556
	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
  3557
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	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
  3559
		for (cleaned = FALSE; !cleaned; ) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			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
  3561
			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
  3562
			cleaned = (i == eop);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
			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
  3565
			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
  3566
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
			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
  3568
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		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
  3572
		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
  3573
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
#define E1000_TX_WEIGHT 64
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		/* 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
  3576
		if (count++ == E1000_TX_WEIGHT) break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	tx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
#define TX_WAKE_THRESHOLD 32
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3583
	if (unlikely(!adapter->ecdev && cleaned && netif_queue_stopped(netdev) &&
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3584
				netif_carrier_ok(netdev))) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		spin_lock(&tx_ring->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		if (netif_queue_stopped(netdev) &&
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3587
				(E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
			netif_wake_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		spin_unlock(&tx_ring->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	if (adapter->detect_tx_hung) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		/* 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
  3594
		 * 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
  3595
		adapter->detect_tx_hung = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
		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
  3597
		    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
  3598
		               (adapter->tx_timeout_factor * HZ))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		    && !(E1000_READ_REG(&adapter->hw, STATUS) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		         E1000_STATUS_TXOFF)) {
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
			/* detected Tx unit hang */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
			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
  3604
					"  Tx Queue             <%lu>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
					"  TDH                  <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
					"  TDT                  <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
					"  next_to_use          <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
					"  next_to_clean        <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
					"buffer_info[next_to_clean]\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
					"  time_stamp           <%lx>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
					"  next_to_watch        <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
					"  jiffies              <%lx>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
					"  next_to_watch.status <%x>\n",
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3614
					(unsigned long)((tx_ring - adapter->tx_ring) /
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3615
						sizeof(struct e1000_tx_ring)),
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3616
					readl(adapter->hw.hw_addr + tx_ring->tdh),
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3617
					readl(adapter->hw.hw_addr + tx_ring->tdt),
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3618
					tx_ring->next_to_use,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3619
					tx_ring->next_to_clean,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3620
					tx_ring->buffer_info[eop].time_stamp,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3621
					eop,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3622
					jiffies,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3623
					eop_desc->upper.fields.status);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3624
			if (!adapter->ecdev) netif_stop_queue(netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
 * 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
  3632
 * @adapter:     board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
 * @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
  3634
 * @csum:        receive descriptor csum field
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
 * @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
  3636
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
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
  3640
		  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
  3641
		  struct sk_buff *skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	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
  3644
	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
  3645
	skb->ip_summed = CHECKSUM_NONE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	/* 82543 or newer only */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	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
  3649
	/* Ignore Checksum bit is set */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	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
  3651
	/* 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
  3652
	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
  3653
		/* let the stack verify checksum errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		adapter->hw_csum_err++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
		return;
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
	/* 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
  3658
	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
  3659
		if (!(status & E1000_RXD_STAT_TCPCS))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		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
  3663
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	/* 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
  3666
	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
  3667
		/* TCP checksum is good */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		skb->ip_summed = CHECKSUM_UNNECESSARY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	} 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
  3670
		/* IP fragment with UDP payload */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		/* 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
  3672
		 * 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
  3673
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
		csum = ntohl(csum ^ 0xFFFF);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
		skb->csum = csum;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
		skb->ip_summed = CHECKSUM_HW;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	adapter->hw_csum_good++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
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
 * 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
  3683
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
 **/
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
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
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
  3689
                   struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
                   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
  3691
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
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
  3693
                   struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	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
  3699
	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
  3700
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	uint32_t length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	uint8_t last_byte;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	int cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	i = rx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	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
  3709
	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
  3710
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	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
  3712
		struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		u8 status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		if (*work_done >= work_to_do)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		(*work_done)++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
		status = rx_desc->status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
		skb = buffer_info->skb;
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3721
		if (!adapter->ecdev) buffer_info->skb = NULL;
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
		prefetch(skb->data - NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
		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
  3726
		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
  3727
		prefetch(next_rxd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		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
  3730
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		cleaned = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		cleaned_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		pci_unmap_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		                 buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
		                 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		                 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		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
  3739
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		/* adjust length to remove Ethernet CRC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		length -= 4;
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
		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
  3744
			/* 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
  3745
			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
  3746
				  " buffers\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
			/* recycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
			buffer_info-> skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3752
		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
  3753
			last_byte = *(skb->data + length - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
			if (TBI_ACCEPT(&adapter->hw, status,
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3755
						rx_desc->errors, length, last_byte)) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
				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
  3757
				e1000_tbi_adjust_stats(&adapter->hw,
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3758
						&adapter->stats,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3759
						length, skb->data);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
				spin_unlock_irqrestore(&adapter->stats_lock,
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3761
						flags);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
				length--;
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
				/* recycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
				buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
				goto next_desc;
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
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		/* 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
  3771
		 * 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
  3772
		 * 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
  3773
#define E1000_CB_LENGTH 256
668
09438628d4a3 Advanced e1000 modifications.
Florian Pose <fp@igh-essen.com>
parents: 667
diff changeset
  3774
		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
  3775
			struct sk_buff *new_skb =
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3776
				netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
			if (new_skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
				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
  3779
				new_skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
				memcpy(new_skb->data - NET_IP_ALIGN,
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3781
						skb->data - NET_IP_ALIGN,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3782
						length + NET_IP_ALIGN);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
				/* 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
  3784
				buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
				skb = new_skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
				skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
			skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		/* end copybreak code */
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
		/* Receive Checksum Offload */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		e1000_rx_checksum(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
				  (uint32_t)(status) |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
				  ((uint32_t)(rx_desc->errors) << 24),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
				  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
  3798
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3799
		if (adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3800
			ecdev_receive(adapter->ecdev, skb->data, length);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3801
		} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3802
			skb->protocol = eth_type_trans(skb, netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
#ifdef CONFIG_E1000_NAPI
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3804
            if (unlikely(adapter->vlgrp &&
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3805
                        (status & E1000_RXD_STAT_VP))) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3806
                vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3807
                        le16_to_cpu(rx_desc->special) &
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3808
                        E1000_RXD_SPC_VLAN_MASK);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3809
            } else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3810
                netif_receive_skb(skb);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3811
            }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
#else /* CONFIG_E1000_NAPI */
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3813
            if (unlikely(adapter->vlgrp &&
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3814
                        (status & E1000_RXD_STAT_VP))) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3815
                vlan_hwaccel_rx(skb, adapter->vlgrp,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3816
                        le16_to_cpu(rx_desc->special) &
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3817
                        E1000_RXD_SPC_VLAN_MASK);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3818
            } else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3819
                netif_rx(skb);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3820
            }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
#endif /* CONFIG_E1000_NAPI */
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3822
        }
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
		netdev->last_rx = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
next_desc:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
		rx_desc->status = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
		/* 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
  3829
		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
  3830
			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
  3831
			cleaned_count = 0;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		/* use prefetched values */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		rx_desc = next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		buffer_info = next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	rx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	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
  3841
	if (cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		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
  3843
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
 * 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
  3849
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
static boolean_t
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
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
  3855
                      struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
                      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
  3857
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
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
  3859
                      struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	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
  3863
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	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
  3866
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	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
  3868
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	uint32_t length, staterr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	int cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	i = rx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	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
  3876
	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
  3877
	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
  3878
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	while (staterr & E1000_RXD_STAT_DD) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		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
  3881
		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
  3882
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		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
  3884
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		(*work_done)++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		skb = buffer_info->skb;
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
		/* 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
  3890
		prefetch(skb->data - NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		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
  3893
		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
  3894
		prefetch(next_rxd);
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
		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
  3897
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		cleaned = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		cleaned_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		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
  3901
				 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
				 PCI_DMA_FROMDEVICE);
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
		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
  3905
			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
  3906
				  " the full packet\n", netdev->name);
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3907
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3912
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		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
  3917
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		if (unlikely(!length)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
			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
  3920
				  " multiple descriptors\n", netdev->name);
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3921
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		/* Good Receive */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		skb_put(skb, length);
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
		/* 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
  3930
		   more efficient than reusing j */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
		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
  3932
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		/* 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
  3934
		 * 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
  3935
		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
  3936
			u8 *vaddr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			/* 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
  3938
			 * 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
  3939
			 * very long */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
			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
  3941
				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
  3942
				PAGE_SIZE,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
				PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
			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
  3945
			                    KM_SKB_DATA_SOFTIRQ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
			memcpy(skb->tail, vaddr, l1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
			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
  3948
			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
  3949
				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
  3950
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
			/* remove the CRC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
			l1 -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
			skb_put(skb, l1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
			goto copydone;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		} /* if */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
		
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		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
  3959
			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
  3960
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
			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
  3962
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
			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
  3964
			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
  3965
			                   length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
			ps_page->ps_page[j] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
			skb->len += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
			skb->data_len += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
			skb->truesize += length;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		/* 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
  3973
		 * 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
  3974
		pskb_trim(skb, skb->len - 4);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
copydone:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		e1000_rx_checksum(adapter, staterr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
				  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
  3979
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		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
  3981
			   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
  3982
			adapter->rx_hdr_split++;
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3983
		if (adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3984
			ecdev_receive(adapter->ecdev, skb->data, length);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3985
		} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3986
			skb->protocol = eth_type_trans(skb, netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
#ifdef CONFIG_E1000_NAPI
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3988
			if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3989
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3990
						le16_to_cpu(rx_desc->wb.middle.vlan) &
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3991
						E1000_RXD_SPC_VLAN_MASK);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3992
			} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3993
				netif_receive_skb(skb);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3994
			}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
#else /* CONFIG_E1000_NAPI */
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3996
			if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3997
				vlan_hwaccel_rx(skb, adapter->vlgrp,
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3998
						le16_to_cpu(rx_desc->wb.middle.vlan) &
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  3999
						E1000_RXD_SPC_VLAN_MASK);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4000
			} else {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4001
				netif_rx(skb);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4002
			}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
#endif /* CONFIG_E1000_NAPI */
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4004
		}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		netdev->last_rx = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
next_desc:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4009
		if (!adapter->ecdev) buffer_info->skb = NULL;
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		/* return some buffers to hardware, one at a time is too slow */
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4012
		if (unlikely(!adapter->ecdev && cleaned_count >= E1000_RX_BUFFER_WRITE)) {
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
			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
  4014
			cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		}
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
		/* use prefetched values */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
		rx_desc = next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
		buffer_info = next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		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
  4022
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	rx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4025
	if (!adapter->ecdev) {
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4026
		cleaned_count = E1000_DESC_UNUSED(rx_ring);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4027
		if (cleaned_count)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4028
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4029
	}
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	return cleaned;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
 * 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
  4036
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
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
  4041
                       struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		       int cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	struct e1000_rx_desc *rx_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	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
  4051
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	i = rx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	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
  4054
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	while (cleaned_count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
		if (!(skb = buffer_info->skb))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			skb = netdev_alloc_skb(netdev, bufsz);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
		else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
			skb_trim(skb, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
			goto map_skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		}
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
		if (unlikely(!skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
			/* Better luck next round */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
			adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		/* 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
  4070
		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
  4071
			struct sk_buff *oldskb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
			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
  4073
					     "at %p\n", bufsz, skb->data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
			/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
			skb = netdev_alloc_skb(netdev, bufsz);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
			/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
			if (!skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
			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
  4083
				/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
				dev_kfree_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
				break; /* while !buffer_info->skb */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
			} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
				/* Use new allocation */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		/* 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
  4093
		 * 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
  4094
		 * 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
  4095
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		skb_reserve(skb, NET_IP_ALIGN);
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
		skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
		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
  4102
map_skb:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		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
  4104
						  skb->data,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
						  adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
						  PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		/* 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
  4109
		if (!e1000_check_64k_bound(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
					(void *)(unsigned long)buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
					adapter->rx_buffer_len)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
			DPRINTK(RX_ERR, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
				"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
  4114
				adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
				(void *)(unsigned long)buffer_info->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
			dev_kfree_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
			buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
			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
  4120
					 adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
					 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
			break; /* while !buffer_info->skb */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
		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
  4126
		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
  4127
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		if (unlikely(++i == rx_ring->count))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
			i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		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
  4131
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	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
  4134
		rx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
		if (unlikely(i-- == 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
			i = (rx_ring->count - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
		/* 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
  4139
		 * 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
  4140
		 * 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
  4141
		 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		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
  4144
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
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
 * 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
  4149
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
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
  4154
                          struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
			  int cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	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
  4160
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	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
  4163
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	i = rx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
	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
  4168
	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
  4169
	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
  4170
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	while (cleaned_count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		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
  4173
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		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
  4175
			if (j < adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
				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
  4177
					ps_page->ps_page[j] =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
						alloc_page(GFP_ATOMIC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
					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
  4180
						adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
						goto no_buffers;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
					}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
					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
  4184
						pci_map_page(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
							    ps_page->ps_page[j],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
							    0, PAGE_SIZE,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
							    PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
				/* 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
  4190
				 * change because each write-back erases
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
				 * this info.
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
				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
  4194
				     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
  4195
			} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
				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
  4197
		}
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
		skb = netdev_alloc_skb(netdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
				       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
  4201
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		if (unlikely(!skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
			adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		/* 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
  4208
		 * 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
  4209
		 * 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
  4210
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
		skb_reserve(skb, NET_IP_ALIGN);
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
		skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
		buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		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
  4217
		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
  4218
						  adapter->rx_ps_bsize0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
						  PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
		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
  4222
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		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
  4224
		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
  4225
		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
  4226
		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
  4227
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
no_buffers:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	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
  4231
		rx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		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
  4233
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		/* 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
  4235
		 * 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
  4236
		 * 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
  4237
		 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		/* 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
  4240
		 * 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
  4241
		 * twice as much.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		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
  4244
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
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
 * 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
  4249
 * @adapter:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
e1000_smartspeed(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	uint16_t phy_status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
	uint16_t phy_ctrl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	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
  4259
	   !(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
  4260
		return;
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
	if (adapter->smartspeed == 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
		/* 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
  4264
		 * we assume back-to-back */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
		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
  4266
		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
  4267
		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
  4268
		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
  4269
		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
  4270
		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
  4271
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
			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
  4273
					    phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			adapter->smartspeed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			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
  4276
			   !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
  4277
				   	       &phy_ctrl)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
				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
  4279
					     MII_CR_RESTART_AUTO_NEG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
				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
  4281
						    phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	} 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
  4286
		/* 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
  4287
		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
  4288
		phy_ctrl |= CR_1000T_MS_ENABLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		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
  4290
		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
  4291
		   !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
  4292
			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
  4293
				     MII_CR_RESTART_AUTO_NEG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
			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
  4295
		}
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
	/* 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
  4298
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		adapter->smartspeed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
 * e1000_ioctl -
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
 * @netdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
 * @ifreq:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
 * @cmd:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
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
  4311
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	switch (cmd) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	case SIOCGMIIPHY:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	case SIOCGMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	case SIOCSMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		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
  4317
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		return -EOPNOTSUPP;
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
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
 * e1000_mii_ioctl -
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
 * @netdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
 * @ifreq:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
 * @cmd:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
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
  4331
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	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
  4333
	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
  4334
	int retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	uint16_t mii_reg;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	uint16_t spddplx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
	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
  4340
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	switch (cmd) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
	case SIOCGMIIPHY:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
		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
  4345
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	case SIOCGMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		if (!capable(CAP_NET_ADMIN))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
			return -EPERM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		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
  4350
		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
  4351
				   &data->val_out)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
			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
  4353
			return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		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
  4356
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	case SIOCSMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		if (!capable(CAP_NET_ADMIN))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
			return -EPERM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		if (data->reg_num & ~(0x1F))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
			return -EFAULT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		mii_reg = data->val_in;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
		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
  4364
		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
  4365
					mii_reg)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			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
  4367
			return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		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
  4370
			switch (data->reg_num) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
			case PHY_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
				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
  4373
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
				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
  4375
					adapter->hw.autoneg = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
					adapter->hw.autoneg_advertised = 0x2F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
				} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
					if (mii_reg & 0x40)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
						spddplx = SPEED_1000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
					else if (mii_reg & 0x2000)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
						spddplx = SPEED_100;
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
						spddplx = SPEED_10;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
					spddplx += (mii_reg & 0x100)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
						   ? DUPLEX_FULL :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
						   DUPLEX_HALF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
					retval = e1000_set_spd_dplx(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
								    spddplx);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
					if (retval) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
						spin_unlock_irqrestore(
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
							&adapter->stats_lock,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
							flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
						return retval;
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
				}
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4396
				if (adapter->ecdev || netif_running(adapter->netdev))
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
					e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
				else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
					e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
			case M88E1000_PHY_SPEC_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
			case M88E1000_EXT_PHY_SPEC_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
				if (e1000_phy_reset(&adapter->hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
					spin_unlock_irqrestore(
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
						&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
					return -EIO;
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
				break;
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
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
			switch (data->reg_num) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
			case PHY_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
				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
  4414
					break;
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4415
				if (adapter->ecdev || netif_running(adapter->netdev))
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
					e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
				else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
					e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
				break;
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
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		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
  4423
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	return E1000_SUCCESS;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
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
  4432
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	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
  4435
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	if (ret_val)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		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
  4438
}
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
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
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
  4442
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
	pci_clear_mwi(adapter->pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
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
  4450
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	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
  4454
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
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
  4458
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
	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
  4462
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
#if 0
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
uint32_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
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
  4467
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	return inl(port);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
#endif  /*  0  */
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
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
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
  4474
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	outl(value, port);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
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
  4480
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	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
  4482
	uint32_t ctrl, rctl;
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_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	adapter->vlgrp = grp;
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
	if (grp) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		/* enable VLAN tag insert/strip */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		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
  4490
		ctrl |= E1000_CTRL_VME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		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
  4492
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		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
  4494
		/* enable VLAN receive filtering */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		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
  4496
		rctl |= E1000_RCTL_VFE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		rctl &= ~E1000_RCTL_CFIEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		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
  4499
		e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		/* disable VLAN tag insert/strip */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		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
  4504
		ctrl &= ~E1000_CTRL_VME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		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
  4506
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		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
  4508
		/* disable VLAN filtering */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		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
  4510
		rctl &= ~E1000_RCTL_VFE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
		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
  4512
		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
  4513
			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
  4514
			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
  4515
		}
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
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
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
  4524
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	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
  4526
	uint32_t vfta, index;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	     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
  4530
	    (vid == adapter->mng_vlan_id))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	/* add VID to filter table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	index = (vid >> 5) & 0x7F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	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
  4535
	vfta |= (1 << (vid & 0x1F));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	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
  4537
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
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
  4541
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	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
  4543
	uint32_t vfta, index;
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
	e1000_irq_disable(adapter);
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
	if (adapter->vlgrp)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		adapter->vlgrp->vlan_devices[vid] = NULL;
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
	e1000_irq_enable(adapter);
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
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	     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
  4554
	    (vid == adapter->mng_vlan_id)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
		/* release control to f/w */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		return;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	/* remove VID from filter table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	index = (vid >> 5) & 0x7F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	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
  4563
	vfta &= ~(1 << (vid & 0x1F));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	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
  4565
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
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
  4569
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	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
  4571
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	if (adapter->vlgrp) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		uint16_t vid;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
		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
  4575
			if (!adapter->vlgrp->vlan_devices[vid])
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
				continue;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
			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
  4578
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	}
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
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
  4584
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	adapter->hw.autoneg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	/* 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
  4588
	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
  4589
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		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
  4591
		return -EINVAL;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	switch (spddplx) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	case SPEED_10 + DUPLEX_HALF:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
		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
  4597
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	case SPEED_10 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		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
  4600
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	case SPEED_100 + DUPLEX_HALF:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		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
  4603
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	case SPEED_100 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
		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
  4606
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	case SPEED_1000 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		adapter->hw.autoneg = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		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
  4610
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	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
  4612
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		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
  4614
		return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
/* 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
  4621
 * 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
  4622
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
#define PCIE_CONFIG_SPACE_LEN 256
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
#define PCI_CONFIG_SPACE_LEN 64
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
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
  4627
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	struct pci_dev *dev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	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
  4633
		size = PCIE_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
		size = PCI_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	WARN_ON(adapter->config_space != NULL);
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
	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
  4640
	if (!adapter->config_space) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		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
  4642
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	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
  4645
		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
  4646
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
}
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
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
  4651
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	struct pci_dev *dev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	if (adapter->config_space == NULL)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	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
  4660
		size = PCIE_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		size = PCI_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	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
  4664
		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
  4665
	kfree(adapter->config_space);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	adapter->config_space = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
#endif /* CONFIG_PM */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
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
  4673
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	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
  4675
	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
  4676
	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
  4677
	uint32_t wufc = adapter->wol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	int retval = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4682
	if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4683
		netif_device_detach(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4684
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4685
	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
  4686
		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
  4687
		e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	/* 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
  4692
	 * 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
  4693
	retval = e1000_pci_save_state(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	if (retval)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		return retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	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
  4699
	if (status & E1000_STATUS_LU)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		wufc &= ~E1000_WUFC_LNKC;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	if (wufc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		e1000_setup_rctl(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		e1000_set_multi(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		/* 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
  4707
		if (adapter->wol & E1000_WUFC_MC) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
			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
  4709
			rctl |= E1000_RCTL_MPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
			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
  4711
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		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
  4714
			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
  4715
			/* advertise wake from D3Cold */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			#define E1000_CTRL_ADVD3WUC 0x00100000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			/* phy power management enable */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
			#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
  4719
			ctrl |= E1000_CTRL_ADVD3WUC |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
				E1000_CTRL_EN_PHY_PWR_MGMT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
			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
  4722
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		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
  4725
		   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
  4726
			/* keep the laser running in D3 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
			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
  4728
			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
  4729
			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
  4730
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		/* 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
  4733
		e1000_disable_pciex_master(&adapter->hw);
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
		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
  4736
		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
  4737
		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
  4738
		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
  4739
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
		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
  4741
		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
  4742
		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
  4743
		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
  4744
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	/* 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
  4747
	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
  4748
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	   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
  4750
		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
  4751
		if (manc & E1000_MANC_SMBUS_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
			manc |= E1000_MANC_ARP_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
			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
  4754
			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
  4755
			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
  4756
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	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
  4760
		e1000_phy_powerdown_workaround(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4762
	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
  4763
		e1000_free_irq(adapter);
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
	/* 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
  4766
	 * 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
  4767
	e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	pci_disable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	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
  4772
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
e1000_resume(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	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
  4781
	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
  4782
	uint32_t manc, ret_val;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	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
  4785
	e1000_pci_restore_state(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	ret_val = pci_enable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	pci_set_master(pdev);
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
	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
  4790
	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
  4791
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	if (!adapter->ecdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
		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
  4794
			return ret_val;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	e1000_power_up_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	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
  4800
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	if (adapter->ecdev || netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
		e1000_up(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4804
	if (!adapter->ecdev) netif_device_attach(netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	/* 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
  4807
	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
  4808
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	   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
  4810
		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
  4811
		manc &= ~(E1000_MANC_ARP_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		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
  4813
	}
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
	/* 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
  4816
	 * 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
  4817
	 * 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
  4818
	 * of the driver. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	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
  4820
	    !e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	return 0;
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
#endif
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
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
  4828
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	e1000_suspend(pdev, PMSG_SUSPEND);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
}
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
#ifdef CONFIG_NET_POLL_CONTROLLER
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
/*
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
 * 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
  4835
 * 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
  4836
 * the interrupt routine is executing.
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
e1000_netpoll(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	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
  4842
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	disable_irq(adapter->pdev->irq);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	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
  4845
	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
  4846
#ifndef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	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
  4848
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	enable_irq(adapter->pdev->irq);
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
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
 * 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
  4855
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
 * @state: The current pci conneection state
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
 * 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
  4859
 * this device has been detected.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
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
  4862
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	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
  4864
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4866
	if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4867
		netif_device_detach(netdev);
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4868
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4869
	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
  4870
		e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	/* Request a slot slot reset. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	return PCI_ERS_RESULT_NEED_RESET;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
 * 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
  4878
 * @pdev: Pointer to PCI device
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
 * 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
  4881
 * 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
  4882
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
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
  4884
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	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
  4886
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	if (pci_enable_device(pdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
		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
  4890
		return PCI_ERS_RESULT_DISCONNECT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	pci_enable_wake(pdev, 3, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	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
  4896
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	/* 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
  4898
	if (PCI_FUNC (pdev->devfn) != 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
		return PCI_ERS_RESULT_RECOVERED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	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
  4903
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	return PCI_ERS_RESULT_RECOVERED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
 * 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
  4909
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
 * 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
  4912
 * 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
  4913
 * 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
  4914
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
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
  4916
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	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
  4918
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	uint32_t manc, swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4921
	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
  4922
		if (e1000_up(adapter)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
			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
  4924
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4928
	if (!adapter->ecdev)
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4929
		netif_device_attach(netdev);
667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	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
  4932
	    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
  4933
		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
  4934
		manc &= ~(E1000_MANC_ARP_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
		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
  4936
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		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
  4941
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
				swsm | E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
671
2223549df36c Serveral changes on e1000 driver (not tested!).
Florian Pose <fp@igh-essen.com>
parents: 668
diff changeset
  4948
	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
  4949
		mod_timer(&adapter->watchdog_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
/* e1000_main.c */