devices/e1000/e1000_main-2.6.18-orig.c
author Florian Pose <fp@igh-essen.com>
Mon, 25 Jan 2010 16:15:56 +0100
changeset 1786 7198caede741
parent 667 9feff35c9617
permissions -rw-r--r--
Sorted methods.
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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.h"
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char e1000_driver_name[] = "e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#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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MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                                    struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                                    struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring);
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/* Local Function Prototypes */
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_multi(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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static irqreturn_t e1000_intr(int irq, void *data, struct pt_regs *regs);
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static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_tx_ring *tx_ring);
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#ifdef CONFIG_E1000_NAPI
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static int e1000_clean(struct net_device *poll_dev, int *budget);
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring,
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                                    int *work_done, int work_to_do);
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static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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                                       struct e1000_rx_ring *rx_ring,
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                                       int *work_done, int work_to_do);
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#else
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring);
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static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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                                       struct e1000_rx_ring *rx_ring);
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#endif
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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                                   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
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                                      struct e1000_rx_ring *rx_ring,
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				      int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct net_device *dev);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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#ifdef CONFIG_PM
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_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)
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{
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	struct net_device *netdev = adapter->netdev;
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	int flags, err = 0;
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	flags = IRQF_SHARED;
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#ifdef CONFIG_PCI_MSI
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	if (adapter->hw.mac_type > e1000_82547_rev_2) {
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		adapter->have_msi = TRUE;
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		if ((err = pci_enable_msi(adapter->pdev))) {
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			DPRINTK(PROBE, ERR,
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			 "Unable to allocate MSI interrupt Error: %d\n", err);
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			adapter->have_msi = FALSE;
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		}
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	}
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	if (adapter->have_msi)
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		flags &= ~IRQF_SHARED;
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#endif
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	if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags,
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	                       netdev->name, netdev)))
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		DPRINTK(PROBE, ERR,
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		        "Unable to allocate interrupt Error: %d\n", err);
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	return err;
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}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	free_irq(adapter->pdev->irq, netdev);
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#ifdef CONFIG_PCI_MSI
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	if (adapter->have_msi)
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		pci_disable_msi(adapter->pdev);
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   305
#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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   318
	E1000_WRITE_FLUSH(&adapter->hw);
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   319
	synchronize_irq(adapter->pdev->irq);
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}
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   321
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/**
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   323
 * e1000_irq_enable - Enable default interrupt generation settings
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   324
 * @adapter: board private structure
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   325
 **/
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   326
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   327
static void
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e1000_irq_enable(struct e1000_adapter *adapter)
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{
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   330
	if (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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   332
		E1000_WRITE_FLUSH(&adapter->hw);
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   333
	}
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}
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   335
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   336
static void
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   337
e1000_update_mng_vlan(struct e1000_adapter *adapter)
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   338
{
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   339
	struct net_device *netdev = adapter->netdev;
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   340
	uint16_t vid = adapter->hw.mng_cookie.vlan_id;
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   341
	uint16_t old_vid = adapter->mng_vlan_id;
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   342
	if (adapter->vlgrp) {
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   343
		if (!adapter->vlgrp->vlan_devices[vid]) {
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   344
			if (adapter->hw.mng_cookie.status &
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   345
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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   346
				e1000_vlan_rx_add_vid(netdev, vid);
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   347
				adapter->mng_vlan_id = vid;
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   348
			} else
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   349
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   350
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   351
			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
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   352
					(vid != old_vid) &&
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   353
					!adapter->vlgrp->vlan_devices[old_vid])
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   354
				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   355
		} else
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   356
			adapter->mng_vlan_id = vid;
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   357
	}
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   358
}
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   359
9feff35c9617 First version with e1000 driver (to be continued...)
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   360
/**
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   361
 * e1000_release_hw_control - release control of the h/w to f/w
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   362
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
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diff changeset
   363
 *
9feff35c9617 First version with e1000 driver (to be continued...)
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   364
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
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   365
 * For ASF and Pass Through versions of f/w this means that the
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   366
 * driver is no longer loaded. For AMT version (only with 82573) i
9feff35c9617 First version with e1000 driver (to be continued...)
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   367
 * of the f/w this means that the netowrk i/f is closed.
9feff35c9617 First version with e1000 driver (to be continued...)
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diff changeset
   368
 *
9feff35c9617 First version with e1000 driver (to be continued...)
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   369
 **/
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   370
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   371
static void
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   372
e1000_release_hw_control(struct e1000_adapter *adapter)
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   373
{
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   374
	uint32_t ctrl_ext;
9feff35c9617 First version with e1000 driver (to be continued...)
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   375
	uint32_t swsm;
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   376
	uint32_t extcnf;
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diff changeset
   377
9feff35c9617 First version with e1000 driver (to be continued...)
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   378
	/* Let firmware taken over control of h/w */
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   379
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   380
	case e1000_82571:
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parents:
diff changeset
   381
	case e1000_82572:
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parents:
diff changeset
   382
	case e1000_80003es2lan:
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parents:
diff changeset
   383
		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
   384
		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
   385
				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
   386
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   388
		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
   389
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
				swsm & ~E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   392
		extcnf = 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
   393
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   394
				extcnf & ~E1000_CTRL_EXT_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   395
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
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parents:
diff changeset
   396
	default:
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
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 * 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
   403
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 * 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
   406
 * 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
   407
 * 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
   408
 * 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
   409
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
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
   414
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	uint32_t ctrl_ext;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	uint32_t swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	uint32_t extcnf;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	/* 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
   419
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		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
   424
		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
   425
				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
   426
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		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
   429
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
				swsm | E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		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
   434
		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
   435
				extcnf | E1000_EXTCNF_CTRL_SWFLAG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	default:
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
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
e1000_up(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	/* 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
   449
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	e1000_set_multi(netdev);
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_restore_vlan(adapter);
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_configure_tx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	e1000_setup_rctl(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	e1000_configure_rx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	/* 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
   458
	 * 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
   459
	 * next_to_use != next_to_clean */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	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
   461
		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
   462
		adapter->alloc_rx_buf(adapter, ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		                      E1000_DESC_UNUSED(ring));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	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
   467
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	mod_timer(&adapter->watchdog_timer, jiffies);
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
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	netif_poll_enable(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	return 0;
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
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
 * 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
   480
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
 * 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
   483
 * 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
   484
 * *** 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
   485
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
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
   489
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	uint16_t mii_reg = 0;
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
	/* 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
   493
	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
   494
		/* 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
   495
		 * 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
   496
		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
   497
		mii_reg &= ~MII_CR_POWER_DOWN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		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
   499
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
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
   503
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	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
   505
	                              e1000_check_mng_mode(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	/* 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
   507
	 * 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
   508
	 * (a) WoL is enabled
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	 * (b) AMT is active
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	 * (c) SoL/IDER session is active */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	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
   512
	    adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	    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
   514
	    !(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
   515
	    !mng_mode_enabled &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	    !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
   517
		uint16_t mii_reg = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		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
   519
		mii_reg |= MII_CR_POWER_DOWN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		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
   521
		mdelay(1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
e1000_down(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	struct net_device *netdev = adapter->netdev;
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
	e1000_irq_disable(adapter);
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
	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
   533
	del_timer_sync(&adapter->watchdog_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	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
   535
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	netif_poll_disable(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	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
   540
	adapter->link_speed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	adapter->link_duplex = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	e1000_clean_all_tx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	e1000_clean_all_rx_rings(adapter);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
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
   552
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	WARN_ON(in_interrupt());
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	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
   555
		msleep(1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	e1000_up(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	clear_bit(__E1000_RESETTING, &adapter->flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
e1000_reset(struct e1000_adapter *adapter)
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
	uint32_t pba, manc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	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
   566
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	/* 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
   568
	 * 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
   569
	 */
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
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	case e1000_82547:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	case e1000_82547_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		pba = E1000_PBA_30K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
		pba = E1000_PBA_38K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		pba = E1000_PBA_12K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		pba = E1000_PBA_8K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		pba = E1000_PBA_48K;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	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
   593
	   (adapter->netdev->mtu > E1000_RXBUFFER_8192))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		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
   595
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	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
   598
		adapter->tx_fifo_head = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		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
   600
		adapter->tx_fifo_size =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
			(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
   602
		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
   603
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	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
   606
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	/* flow control settings */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	/* 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
   609
	 * Required to clear last 3 LSB */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	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
   611
	/* 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
   612
	 * 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
   613
	 * 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
   614
	 *  mark. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	if (pba < E1000_PBA_16K)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		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
   617
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	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
   619
	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
   620
	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
   621
		adapter->hw.fc_pause_time = 0xFFFF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		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
   624
	adapter->hw.fc_send_xon = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	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
   626
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	/* 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
   628
	e1000_reset_hw(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	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
   630
		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
   631
	if (e1000_init_hw(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		DPRINTK(PROBE, ERR, "Hardware Error\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	/* 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
   635
	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
   636
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	e1000_reset_adaptive(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	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
   639
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	if (!adapter->smart_power_down &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	    (adapter->hw.mac_type == e1000_82571 ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	     adapter->hw.mac_type == e1000_82572)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		uint16_t phy_data = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		/* 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
   645
		 * 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
   646
		 * 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
   647
		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
   648
		                   &phy_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		phy_data &= ~IGP02E1000_PM_SPD;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		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
   651
		                    phy_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	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
   655
	/* 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
   656
	if (adapter->en_mng_pt) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		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
   658
		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
   659
		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
   660
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
 * e1000_probe - Device Initialization Routine
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
 * @pdev: PCI device information struct
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
 * @ent: entry in e1000_pci_tbl
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
 * 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
   669
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
 * 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
   671
 * 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
   672
 * and a hardware reset occur.
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
e1000_probe(struct pci_dev *pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
            const struct pci_device_id *ent)
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
	struct net_device *netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	struct e1000_adapter *adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	unsigned long mmio_start, mmio_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	unsigned long flash_start, flash_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	static int cards_found = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	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
   686
	int i, err, pci_using_dac;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	uint16_t eeprom_data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	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
   689
	if ((err = pci_enable_device(pdev)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	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
   693
	    !(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
   694
		pci_using_dac = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	} else {
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_32BIT_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_32BIT_MASK))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
			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
   699
			return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		pci_using_dac = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	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
   705
		return err;
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
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	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
   710
	if (!netdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
		err = -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
		goto err_alloc_etherdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	SET_MODULE_OWNER(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	SET_NETDEV_DEV(netdev, &pdev->dev);
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
	pci_set_drvdata(pdev, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	adapter = netdev_priv(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	adapter->netdev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	adapter->pdev = pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	adapter->hw.back = adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	adapter->msg_enable = (1 << debug) - 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	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
   726
	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
   727
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	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
   729
	if (!adapter->hw.hw_addr) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		goto err_ioremap;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	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
   735
		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
   736
			continue;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		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
   738
			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
   739
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	netdev->open = &e1000_open;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	netdev->stop = &e1000_close;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	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
   746
	netdev->get_stats = &e1000_get_stats;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	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
   748
	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
   749
	netdev->change_mtu = &e1000_change_mtu;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	netdev->do_ioctl = &e1000_ioctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	e1000_set_ethtool_ops(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	netdev->tx_timeout = &e1000_tx_timeout;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	netdev->watchdog_timeo = 5 * HZ;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	netdev->poll = &e1000_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	netdev->weight = 64;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	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
   759
	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
   760
	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
   761
#ifdef CONFIG_NET_POLL_CONTROLLER
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	netdev->poll_controller = e1000_netpoll;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	strcpy(netdev->name, pci_name(pdev));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	netdev->mem_start = mmio_start;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	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
   768
	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
   769
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	adapter->bd_number = cards_found;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	/* setup the private structure */
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
	if ((err = e1000_sw_init(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		goto err_sw_init;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	/* 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
   778
	 * because it depends on mac_type */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	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
   780
	   (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
   781
		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
   782
		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
   783
		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
   784
		if (!adapter->hw.flash_address) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
			goto err_flashmap;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	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
   791
		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
   792
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	/* 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
   794
	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
   795
			e1000_ksp3_port_a == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		adapter->ksp3_port_a = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	e1000_ksp3_port_a++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	/* Reset for multiple KP3 adapters */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	if (e1000_ksp3_port_a == 4)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		e1000_ksp3_port_a = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	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
   803
		netdev->features = NETIF_F_SG |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
				   NETIF_F_HW_CSUM |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
				   NETIF_F_HW_VLAN_TX |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
				   NETIF_F_HW_VLAN_RX |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
				   NETIF_F_HW_VLAN_FILTER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		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
   809
			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
   810
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	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
   814
	   (adapter->hw.mac_type != e1000_82547))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		netdev->features |= NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
#ifdef NETIF_F_TSO_IPV6
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	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
   819
		netdev->features |= NETIF_F_TSO_IPV6;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	if (pci_using_dac)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		netdev->features |= NETIF_F_HIGHDMA;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	netdev->features |= NETIF_F_LLTX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	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
   828
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	/* initialize eeprom parameters */
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
	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
   832
		E1000_ERR("EEPROM initialization failed\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		return -EIO;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	/* 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
   837
	 * 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
   838
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	e1000_reset_hw(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	/* make sure the EEPROM is good */
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
	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
   844
		/* 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
   845
		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
   846
			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
   847
			err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
			goto err_eeprom;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
			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
   851
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	/* 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
   854
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	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
   856
		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
   857
	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
   858
	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
   859
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	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
   861
		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
   862
		err = -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		goto err_eeprom;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	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
   867
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	e1000_get_bus_info(&adapter->hw);
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
	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
   871
	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
   872
	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
   873
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	init_timer(&adapter->watchdog_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	adapter->watchdog_timer.function = &e1000_watchdog;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	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
   877
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	init_timer(&adapter->phy_info_timer);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	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
   880
	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
   881
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	INIT_WORK(&adapter->reset_task,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		(void (*)(void *))e1000_reset_task, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	/* 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
   886
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	e1000_check_options(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	/* Initial Wake on LAN setting
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	 * 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
   894
	 * enable the ACPI Magic Packet filter
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	case e1000_82542_rev2_0:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	case e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	case e1000_82543:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	case e1000_82544:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
			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
   905
		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
   906
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	case e1000_82546:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	case e1000_82546_rev_3:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		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
   917
			e1000_read_eeprom(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
				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
   919
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		/* Fall Through */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	default:
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_A, 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
	if (eeprom_data & eeprom_apme_mask)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		adapter->wol |= E1000_WUFC_MAG;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	/* print bus type/speed/width info */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	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
   934
		((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
   935
		 (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
   936
		((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
   937
		 (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
   938
		 (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
   939
		 (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
   940
		 (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
   941
		((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
   942
		 (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
   943
		 (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
   944
		 "32-bit"));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	for (i = 0; i < 6; i++)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		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
   949
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	/* 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
   951
	e1000_reset(adapter);
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
	/* 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
   954
	 * 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
   955
	 * 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
   956
	 * of the driver. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	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
   958
	    !e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	strcpy(netdev->name, "eth%d");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	if ((err = register_netdev(netdev)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		goto err_register;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	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
   966
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	cards_found++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
err_register:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	if (adapter->hw.flash_address)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		iounmap(adapter->hw.flash_address);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
err_flashmap:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
err_sw_init:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
err_eeprom:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	iounmap(adapter->hw.hw_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
err_ioremap:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	free_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
err_alloc_etherdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	pci_release_regions(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
 * e1000_remove - Device Removal Routine
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
 * @pdev: PCI device information struct
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
 * 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
   989
 * 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
   990
 * 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
   991
 * memory.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
static void __devexit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
e1000_remove(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	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
   998
	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
   999
	uint32_t manc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
#endif
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
	flush_scheduled_work();
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
	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
  1007
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	   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
  1009
		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
  1010
		if (manc & E1000_MANC_SMBUS_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
			manc |= E1000_MANC_ARP_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
			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
  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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	/* 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
  1017
	 * 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
  1018
	e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	unregister_netdev(netdev);
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
	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
  1023
		dev_put(&adapter->polling_netdev[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	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
  1027
		e1000_phy_hw_reset(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	kfree(adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	kfree(adapter->polling_netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
#endif
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
	iounmap(adapter->hw.hw_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	if (adapter->hw.flash_address)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		iounmap(adapter->hw.flash_address);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	pci_release_regions(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	free_netdev(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	pci_disable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
 * 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
  1047
 * @adapter: board private structure to initialize
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
 * 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
  1050
 * 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
  1051
 * OS network device settings (MTU size).
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
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
  1056
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	/* PCI config space info */
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
	hw->vendor_id = pdev->vendor;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	hw->device_id = pdev->device;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	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
  1069
	hw->subsystem_id = pdev->subsystem_device;
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
	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
  1072
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	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
  1074
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	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
  1076
	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
  1077
	hw->max_frame_size = netdev->mtu +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	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
  1080
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	/* identify the MAC */
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
	if (e1000_set_mac_type(hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		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
  1085
		return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	switch (hw->mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	case e1000_82541:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	case e1000_82547:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	case e1000_82541_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	case e1000_82547_rev_2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		hw->phy_init_script = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	}
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
	e1000_set_media_type(hw);
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
	hw->wait_autoneg_complete = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	hw->tbi_compatibility_en = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	hw->adaptive_ifs = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	/* Copper options */
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
	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
  1108
		hw->mdix = AUTO_ALL_MODES;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		hw->disable_polarity_correction = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		hw->master_slave = E1000_MASTER_SLAVE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	adapter->num_tx_queues = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	adapter->num_rx_queues = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	if (e1000_alloc_queues(adapter)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		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
  1118
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	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
  1123
		adapter->polling_netdev[i].priv = adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		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
  1125
		adapter->polling_netdev[i].weight = 64;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		dev_hold(&adapter->polling_netdev[i]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		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
  1128
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	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
  1130
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	atomic_set(&adapter->irq_sem, 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	spin_lock_init(&adapter->stats_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
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
 * 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
  1140
 * @adapter: board private structure to initialize
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
 * 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
  1143
 * 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
  1144
 * 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
  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
static int __devinit
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
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
  1149
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	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
  1153
	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
  1154
	if (!adapter->tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	memset(adapter->tx_ring, 0, size);
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
	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
  1159
	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
  1160
	if (!adapter->rx_ring) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		return -ENOMEM;
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
	memset(adapter->rx_ring, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	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
  1168
	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
  1169
	if (!adapter->polling_netdev) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		kfree(adapter->tx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		kfree(adapter->rx_ring);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	memset(adapter->polling_netdev, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
 * 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
  1182
 * @netdev: network interface device structure
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
 * 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
  1185
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
 * 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
  1187
 * 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
  1188
 * 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
  1189
 * 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
  1190
 * 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
  1191
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
e1000_open(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	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
  1197
	int err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	/* disallow open during test */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	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
  1201
		return -EBUSY;
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
	/* allocate transmit descriptors */
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
	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
  1206
		goto err_setup_tx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	/* allocate receive descriptors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	if ((err = e1000_setup_all_rx_resources(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		goto err_setup_rx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	err = e1000_request_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	if (err)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		goto err_up;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	e1000_power_up_phy(adapter);
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
	if ((err = e1000_up(adapter)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		goto err_up;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	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
  1222
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			  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
  1224
		e1000_update_mng_vlan(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	/* 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
  1228
	 * interface is now open */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	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
  1230
	    e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
err_up:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	e1000_free_all_rx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
err_setup_rx:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	e1000_free_all_tx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
err_setup_tx:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	return err;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
 * e1000_close - Disables a network interface
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
 * 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
  1250
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
 * 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
  1252
 * 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
  1253
 * 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
  1254
 * 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
  1255
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
e1000_close(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	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
  1261
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	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
  1263
	e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	e1000_power_down_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	e1000_free_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	e1000_free_all_tx_resources(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	e1000_free_all_rx_resources(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
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
			  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
  1272
		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
  1273
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	/* 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
  1276
	 * interface is now closed */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	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
  1278
	    e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
}
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
 * 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
  1286
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
 * @start: address of beginning of memory
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
 * @len: length of memory
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
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
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
  1292
		      void *start, unsigned long len)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	unsigned long begin = (unsigned long) start;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	unsigned long end = begin + len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	/* 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
  1298
	 * 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
  1299
	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
  1300
	    adapter->hw.mac_type == e1000_82546) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		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
  1302
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
 * 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
  1309
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
 * @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
  1311
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
 * 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
  1313
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
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
  1317
                         struct e1000_tx_ring *txdr)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	int size;
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
	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
  1323
	txdr->buffer_info = vmalloc(size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	if (!txdr->buffer_info) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		"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
  1327
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	memset(txdr->buffer_info, 0, size);
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
	/* round up to nearest 4K */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	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
  1334
	E1000_ROUNDUP(txdr->size, 4096);
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
	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
  1337
	if (!txdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
setup_tx_desc_die:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
		vfree(txdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
		"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
  1342
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	/* 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
  1346
	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
  1347
		void *olddesc = txdr->desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		dma_addr_t olddma = txdr->dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
		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
  1350
				     "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
  1351
		/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
		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
  1353
		/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		if (!txdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
			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
  1356
			goto setup_tx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		}
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
		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
  1360
			/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
			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
  1362
					    txdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			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
  1364
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
				"Unable to allocate aligned memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
				"for the transmit descriptor ring\n");
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
			return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
			/* 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
  1371
			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
  1372
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	memset(txdr->desc, 0, txdr->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	txdr->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	txdr->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	spin_lock_init(&txdr->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
 * 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
  1385
 * 				  (Descriptors) for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
 * 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
  1389
 * 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
  1390
 * 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
  1391
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 * 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
  1393
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
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
  1397
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	int i, err = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	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
  1401
		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
  1402
		if (err) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
				"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
  1405
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	return err;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
 * 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
  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
 * 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
  1417
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
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
  1421
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	uint64_t tdba;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	uint32_t tdlen, tctl, tipg, tarc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	uint32_t ipgr1, ipgr2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	/* 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
  1428
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	switch (adapter->num_tx_queues) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		tdba = adapter->tx_ring[0].dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		tdlen = adapter->tx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
			sizeof(struct e1000_tx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		E1000_WRITE_REG(hw, TDLEN, tdlen);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		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
  1437
		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
  1438
		E1000_WRITE_REG(hw, TDT, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		E1000_WRITE_REG(hw, TDH, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		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
  1441
		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
  1442
		break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	/* 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
  1446
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	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
  1448
	    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
  1449
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	switch (hw->mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	case e1000_82542_rev2_0:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	case e1000_82542_rev2_1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		tipg = DEFAULT_82542_TIPG_IPGT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	E1000_WRITE_REG(hw, TIPG, tipg);
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 Tx Interrupt Delay register */
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
	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
  1476
	if (hw->mac_type >= e1000_82540)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		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
  1478
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	/* Program the Transmit Control Register */
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
	tctl = E1000_READ_REG(hw, TCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	tctl &= ~E1000_TCTL_CT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	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
  1485
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
#ifdef DISABLE_MULR
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	/* disable Multiple Reads for debugging */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	tctl &= ~E1000_TCTL_MULR;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	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
  1493
		tarc = E1000_READ_REG(hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		tarc |= ((1 << 25) | (1 << 21));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
		E1000_WRITE_REG(hw, TARC0, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
		tarc = E1000_READ_REG(hw, TARC1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		tarc |= (1 << 25);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		if (tctl & E1000_TCTL_MULR)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
			tarc &= ~(1 << 28);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
			tarc |= (1 << 28);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
		E1000_WRITE_REG(hw, TARC1, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	} 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
  1504
		tarc = E1000_READ_REG(hw, TARC0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		tarc |= 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		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
  1507
			tarc |= (1 << 20);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		E1000_WRITE_REG(hw, TARC0, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		tarc = E1000_READ_REG(hw, TARC1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		tarc |= 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		E1000_WRITE_REG(hw, TARC1, tarc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	e1000_config_collision_dist(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	/* 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
  1517
	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
  1518
		E1000_TXD_CMD_IFCS;
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_82543)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		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
  1522
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		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
  1524
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	/* 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
  1526
	 * 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
  1527
	if (hw->mac_type == e1000_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	    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
  1529
		adapter->pcix_82544 = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	E1000_WRITE_REG(hw, TCTL, tctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
 * 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
  1537
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
 * @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
  1539
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
 * 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
  1541
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
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
  1545
                         struct e1000_rx_ring *rxdr)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	int size, desc_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	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
  1551
	rxdr->buffer_info = vmalloc(size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	if (!rxdr->buffer_info) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		"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
  1555
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	memset(rxdr->buffer_info, 0, size);
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
	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
  1560
	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
  1561
	if (!rxdr->ps_page) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		"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
  1565
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	memset(rxdr->ps_page, 0, size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	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
  1570
	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
  1571
	if (!rxdr->ps_page_dma) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		kfree(rxdr->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		"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
  1576
		return -ENOMEM;
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
	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
  1579
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	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
  1581
		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
  1582
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		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
  1584
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	/* Round up to nearest 4K */
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
	rxdr->size = rxdr->count * desc_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	E1000_ROUNDUP(rxdr->size, 4096);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	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
  1591
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	if (!rxdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		"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
  1595
setup_rx_desc_die:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		vfree(rxdr->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		kfree(rxdr->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		kfree(rxdr->ps_page_dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	/* 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
  1603
	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
  1604
		void *olddesc = rxdr->desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		dma_addr_t olddma = rxdr->dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		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
  1607
				     "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
  1608
		/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
		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
  1610
		/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		if (!rxdr->desc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
			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
  1613
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
				"Unable to allocate memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
				"for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
			goto setup_rx_desc_die;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		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
  1620
			/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
			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
  1622
					    rxdr->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
			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
  1624
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
				"Unable to allocate aligned memory "
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
				"for the receive descriptor ring\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
			goto setup_rx_desc_die;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
			/* 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
  1630
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	memset(rxdr->desc, 0, rxdr->size);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
	rxdr->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	rxdr->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
 * 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
  1643
 * 				  (Descriptors) for all queues
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 * @adapter: board private structure
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
 * 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
  1647
 * 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
  1648
 * 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
  1649
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 * 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
  1651
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
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
  1655
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	int i, err = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	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
  1659
		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
  1660
		if (err) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
			DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
				"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
  1663
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	return err;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
 * 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
  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
#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
  1675
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
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
  1678
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	uint32_t rctl, rfctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	uint32_t psrctl = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	uint32_t pages = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	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
  1686
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	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
  1690
		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
  1691
		(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
  1692
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	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
  1694
		rctl |= E1000_RCTL_SBP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
		rctl &= ~E1000_RCTL_SBP;
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
	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
  1699
		rctl &= ~E1000_RCTL_LPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		rctl |= E1000_RCTL_LPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	/* Setup buffer sizes */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	rctl &= ~E1000_RCTL_SZ_4096;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	rctl |= E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	switch (adapter->rx_buffer_len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		case E1000_RXBUFFER_256:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
			rctl |= E1000_RCTL_SZ_256;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		case E1000_RXBUFFER_512:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
			rctl |= E1000_RCTL_SZ_512;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		case E1000_RXBUFFER_1024:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
			rctl |= E1000_RCTL_SZ_1024;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		case E1000_RXBUFFER_2048:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
			rctl |= E1000_RCTL_SZ_2048;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
			rctl &= ~E1000_RCTL_BSEX;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		case E1000_RXBUFFER_4096:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
			rctl |= E1000_RCTL_SZ_4096;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		case E1000_RXBUFFER_8192:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
			rctl |= E1000_RCTL_SZ_8192;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		case E1000_RXBUFFER_16384:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
			rctl |= E1000_RCTL_SZ_16384;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	/* 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
  1737
	 * 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
  1738
	 * 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
  1739
	 * 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
  1740
	 * 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
  1741
	 * 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
  1742
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	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
  1744
	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
  1745
	    PAGE_SIZE <= 16384)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
		adapter->rx_ps_pages = pages;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		adapter->rx_ps_pages = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	if (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		/* Configure extra packet-split registers */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		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
  1753
		rfctl |= E1000_RFCTL_EXTEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		/* disable IPv6 packet split support */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		rfctl |= E1000_RFCTL_IPV6_DIS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		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
  1757
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		rctl |= E1000_RCTL_DTYP_PS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		psrctl |= adapter->rx_ps_bsize0 >>
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
			E1000_PSRCTL_BSIZE0_SHIFT;
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
		switch (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		case 3:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
			psrctl |= PAGE_SIZE <<
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
				E1000_PSRCTL_BSIZE3_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		case 2:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
			psrctl |= PAGE_SIZE <<
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
				E1000_PSRCTL_BSIZE2_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
			psrctl |= PAGE_SIZE >>
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
				E1000_PSRCTL_BSIZE1_SHIFT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		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
  1777
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	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
  1780
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
 * e1000_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
  1784
 * @adapter: board private structure
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
 * 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
  1787
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
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
  1791
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	uint64_t rdba;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	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
  1795
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	if (adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		/* this is a 32 byte descriptor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		rdlen = adapter->rx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
			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
  1800
		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
  1801
		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
  1802
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		rdlen = adapter->rx_ring[0].count *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
			sizeof(struct e1000_rx_desc);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		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
  1806
		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
  1807
	}
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
	/* 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
  1810
	rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	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
  1812
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	/* set the Receive Delay Timer Register */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	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
  1815
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	if (hw->mac_type >= e1000_82540) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		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
  1818
		if (adapter->itr > 1)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
			E1000_WRITE_REG(hw, ITR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
				1000000000 / (adapter->itr * 256));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	if (hw->mac_type >= e1000_82571) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		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
  1825
		/* Reset delay timers after every interrupt */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		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
  1827
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
		/* Auto-Mask interrupts upon ICR read. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		ctrl_ext |= E1000_CTRL_EXT_IAME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		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
  1832
		E1000_WRITE_REG(hw, IAM, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	}
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
	/* 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
  1837
	 * 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
  1838
	switch (adapter->num_rx_queues) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	case 1:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		rdba = adapter->rx_ring[0].dma;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		E1000_WRITE_REG(hw, RDLEN, rdlen);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		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
  1844
		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
  1845
		E1000_WRITE_REG(hw, RDT, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		E1000_WRITE_REG(hw, RDH, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
		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
  1848
		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
  1849
		break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	/* 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
  1853
	if (hw->mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		rxcsum = E1000_READ_REG(hw, RXCSUM);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		if (adapter->rx_csum == TRUE) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			rxcsum |= E1000_RXCSUM_TUOFL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
			/* 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
  1859
			 * 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
  1860
			if ((hw->mac_type >= e1000_82571) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
			    (adapter->rx_ps_pages)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
				rxcsum |= E1000_RXCSUM_IPPCSE;
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
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			rxcsum &= ~E1000_RXCSUM_TUOFL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			/* 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
  1867
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		E1000_WRITE_REG(hw, RXCSUM, rxcsum);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	/* Enable Receives */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	E1000_WRITE_REG(hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
 * 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
  1877
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 * @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
  1879
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 * Free all transmit software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
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
  1885
                        struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	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
  1890
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	vfree(tx_ring->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	tx_ring->buffer_info = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	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
  1895
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	tx_ring->desc = NULL;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
 * 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
  1901
 * @adapter: board private structure
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
 * Free all transmit software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
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
  1908
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	int i;
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
	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
  1912
		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
  1913
}
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
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
  1917
			struct e1000_buffer *buffer_info)
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
	if (buffer_info->dma) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		pci_unmap_page(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
				buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
				buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
				PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	if (buffer_info->skb)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		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
  1927
	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
  1928
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
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
 * 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
  1932
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
 * @tx_ring: ring to be cleaned
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
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
  1938
                    struct e1000_tx_ring *tx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	unsigned long size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	/* 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
  1945
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	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
  1947
		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
  1948
		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
  1949
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	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
  1952
	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
  1953
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	/* Zero out the descriptor ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	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
  1957
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	tx_ring->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	tx_ring->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	tx_ring->last_tx_tso = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	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
  1963
	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
  1964
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
 * 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
  1968
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
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
  1973
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	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
  1977
		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
  1978
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
 * 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
  1982
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
 * @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
  1984
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
 * Free all receive software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
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
  1990
                        struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	struct pci_dev *pdev = adapter->pdev;
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
	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
  1995
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	vfree(rx_ring->buffer_info);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	rx_ring->buffer_info = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	kfree(rx_ring->ps_page);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	rx_ring->ps_page = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	kfree(rx_ring->ps_page_dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	rx_ring->ps_page_dma = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	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
  2004
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	rx_ring->desc = NULL;
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_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
  2010
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
 * Free all receive software resources
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
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
  2017
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	int i;
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
	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
  2021
		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
  2022
}
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
 * 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
  2026
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
 * @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
  2028
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
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
  2032
                    struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	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
  2037
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	unsigned long size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	/* 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
  2042
	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
  2043
		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
  2044
		if (buffer_info->skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
			pci_unmap_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
					 buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
					 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
					 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
			dev_kfree_skb(buffer_info->skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
			buffer_info->skb = NULL;
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
		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
  2054
		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
  2055
		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
  2056
			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
  2057
			pci_unmap_page(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
				       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
  2059
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			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
  2061
			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
  2062
			ps_page->ps_page[j] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	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
  2067
	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
  2068
	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
  2069
	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
  2070
	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
  2071
	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
  2072
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	/* Zero out the descriptor ring */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	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
  2076
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	rx_ring->next_to_clean = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	rx_ring->next_to_use = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	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
  2081
	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
  2082
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * 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
  2086
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
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
  2091
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	int i;
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
	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
  2095
		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
  2096
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
/* 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
  2099
 * 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
  2100
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
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
  2103
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	e1000_pci_clear_mwi(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	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
  2110
	rctl |= E1000_RCTL_RST;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	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
  2112
	E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	mdelay(5);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
		e1000_clean_all_rx_rings(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
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
  2121
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	uint32_t rctl;
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
	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
  2126
	rctl &= ~E1000_RCTL_RST;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	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
  2128
	E1000_WRITE_FLUSH(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	mdelay(5);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	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
  2132
		e1000_pci_set_mwi(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	if (netif_running(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		/* 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
  2136
		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
  2137
		e1000_configure_rx(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
		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
  2139
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 * 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
  2144
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 * @p: pointer to an address structure
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
 * 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
  2148
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
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
  2152
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	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
  2154
	struct sockaddr *addr = p;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	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
  2157
		return -EADDRNOTAVAIL;
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
	/* 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
  2160
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	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
  2162
		e1000_enter_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	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
  2165
	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
  2166
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	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
  2168
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	/* 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
  2170
	 * 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
  2171
	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
  2172
		/* activate the work around */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
		adapter->hw.laa_is_present = 1;
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
		/* 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
  2176
		 * 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
  2177
		 * 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
  2178
		 * 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
  2179
		 * 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
  2180
		 * RAR[14] */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		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
  2182
					E1000_RAR_ENTRIES - 1);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	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
  2186
		e1000_leave_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
 * 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
  2193
 * @netdev: network interface device structure
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
 * 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
  2196
 * 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
  2197
 * 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
  2198
 * promiscuous mode, and all-multi behavior.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
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
  2203
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	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
  2205
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	struct dev_mc_list *mc_ptr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	uint32_t rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	uint32_t hash_value;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	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
  2210
	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
  2211
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
				E1000_NUM_MTA_REGISTERS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	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
  2215
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	/* 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
  2218
	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
  2219
		rar_entries--;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	/* 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
  2222
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	if (netdev->flags & IFF_PROMISC) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		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
  2227
	} else if (netdev->flags & IFF_ALLMULTI) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
		rctl |= E1000_RCTL_MPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		rctl &= ~E1000_RCTL_UPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
		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
  2232
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	E1000_WRITE_REG(hw, RCTL, rctl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	/* 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
  2237
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	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
  2239
		e1000_enter_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	/* 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
  2242
	 * 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
  2243
	 * 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
  2244
	 * -- 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
  2245
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	mc_ptr = netdev->mc_list;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	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
  2249
		if (mc_ptr) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
			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
  2251
			mc_ptr = mc_ptr->next;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			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
  2254
			E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
			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
  2256
			E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	/* 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
  2261
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	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
  2263
		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
  2264
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	/* 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
  2268
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	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
  2270
		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
  2271
		e1000_mta_set(hw, hash_value);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	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
  2275
		e1000_leave_82542_rst(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
/* 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
  2279
 * the phy */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
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
  2283
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	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
  2285
	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
  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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
 * 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
  2290
 * @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
  2291
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
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
  2295
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	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
  2297
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	uint32_t tctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	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
  2301
		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
  2302
		    E1000_READ_REG(&adapter->hw, TDH)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		   (E1000_READ_REG(&adapter->hw, TDFT) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
		    E1000_READ_REG(&adapter->hw, TDFH)) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		   (E1000_READ_REG(&adapter->hw, TDFTS) ==
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
		    E1000_READ_REG(&adapter->hw, TDFHS))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
			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
  2308
			E1000_WRITE_REG(&adapter->hw, TCTL,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
					tctl & ~E1000_TCTL_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			E1000_WRITE_REG(&adapter->hw, TDFT,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
			E1000_WRITE_REG(&adapter->hw, TDFH,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
			E1000_WRITE_REG(&adapter->hw, TDFTS,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
			E1000_WRITE_REG(&adapter->hw, TDFHS,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
					adapter->tx_head_addr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
			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
  2319
			E1000_WRITE_FLUSH(&adapter->hw);
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
			adapter->tx_fifo_head = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
			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
  2323
			netif_wake_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
			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
  2326
		}
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
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
 * e1000_watchdog - Timer Call-back
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
 * @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
  2333
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
e1000_watchdog(unsigned long data)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	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
  2338
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	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
  2340
	uint32_t link, tctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	int32_t ret_val;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	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
  2344
	if ((ret_val == E1000_ERR_PHY) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	    (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
  2346
	    (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
  2347
		/* See e1000_kumeran_lock_loss_workaround() */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		DPRINTK(LINK, INFO,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
			"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
  2350
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	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
  2352
		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
  2353
		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
  2354
			e1000_update_mng_vlan(adapter);
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
	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
  2358
	   !(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
  2359
		link = !adapter->hw.serdes_link_down;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		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
  2362
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	if (link) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		if (!netif_carrier_ok(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
			boolean_t txb2b = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
			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
  2367
			                           &adapter->link_speed,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			                           &adapter->link_duplex);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			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
  2371
			       adapter->link_speed,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
			       adapter->link_duplex == FULL_DUPLEX ?
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			       "Full Duplex" : "Half Duplex");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
			/* 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
  2376
			 * and adjust the timeout factor */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
			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
  2378
			adapter->tx_timeout_factor = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			switch (adapter->link_speed) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
			case SPEED_10:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
				txb2b = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
				netdev->tx_queue_len = 10;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
				adapter->tx_timeout_factor = 8;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			case SPEED_100:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
				txb2b = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
				netdev->tx_queue_len = 100;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
				/* maybe add some timeout factor ? */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
				break;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
			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
  2393
			     adapter->hw.mac_type == e1000_82572) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
			    txb2b == 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
#define SPEED_MODE_BIT (1 << 21)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
				uint32_t tarc0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
				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
  2398
				tarc0 &= ~SPEED_MODE_BIT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
				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
  2400
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
				
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
			/* 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
  2404
			 * some hardware issues */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			if (!adapter->tso_force &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			    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
  2407
				switch (adapter->link_speed) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
				case SPEED_10:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
				case SPEED_100:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
					DPRINTK(PROBE,INFO,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
				        "10/100 speed: disabling TSO\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
					netdev->features &= ~NETIF_F_TSO;
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_1000:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
					netdev->features |= NETIF_F_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
				default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
					/* oops */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
					break;
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
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
			/* 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
  2425
			 * after setting TARC0 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
			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
  2427
			tctl |= E1000_TCTL_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
			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
  2429
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
			netif_carrier_on(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
			netif_wake_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
			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
  2433
			adapter->smartspeed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		if (netif_carrier_ok(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			adapter->link_speed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
			adapter->link_duplex = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			netif_carrier_off(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
			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
  2443
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
			/* 80003ES2LAN workaround--
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
			 * 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
  2446
			 * disable receives in the ISR and
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
			 * reset device here in the watchdog
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
			 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
			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
  2450
				/* reset device */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
				schedule_work(&adapter->reset_task);
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
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		e1000_smartspeed(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	e1000_update_stats(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	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
  2461
	adapter->tpt_old = adapter->stats.tpt;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
	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
  2463
	adapter->colc_old = adapter->stats.colc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	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
  2466
	adapter->gorcl_old = adapter->stats.gorcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	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
  2468
	adapter->gotcl_old = adapter->stats.gotcl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	e1000_update_adaptive(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	if (!netif_carrier_ok(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
		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
  2474
			/* 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
  2475
			 * 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
  2476
			 * 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
  2477
			 * (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
  2478
			adapter->tx_timeout_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
			schedule_work(&adapter->reset_task);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
		}
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	/* 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
  2484
	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
  2485
		/* 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
  2486
		 * 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
  2487
		 * else is between 2000-8000. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
		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
  2489
		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
  2490
			adapter->gotcl - adapter->gorcl :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
			adapter->gorcl - adapter->gotcl) / 10000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		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
  2493
		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
  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
	/* 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
  2497
	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
  2498
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	/* 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
  2500
	adapter->detect_tx_hung = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	/* 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
  2503
	 * 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
  2504
	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
  2505
		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
  2506
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	/* Reset the timer */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	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
  2509
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
#define E1000_TX_FLAGS_CSUM		0x00000001
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
#define E1000_TX_FLAGS_VLAN		0x00000002
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
#define E1000_TX_FLAGS_TSO		0x00000004
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
#define E1000_TX_FLAGS_IPV4		0x00000008
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
#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
  2516
#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
  2517
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
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
  2520
          struct sk_buff *skb)
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
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	struct e1000_context_desc *context_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	uint32_t cmd_length = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	uint16_t ipcse = 0, tucse, mss;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	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
  2529
	int err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	if (skb_is_gso(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
		if (skb_header_cloned(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
			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
  2534
			if (err)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
				return err;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		}
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
		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
  2539
		mss = skb_shinfo(skb)->gso_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		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
  2541
			skb->nh.iph->tot_len = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
			skb->nh.iph->check = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
			skb->h.th->check =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
				~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
  2545
						   skb->nh.iph->daddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
						   0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
						   IPPROTO_TCP,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
						   0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			cmd_length = E1000_TXD_CMD_IP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
			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
  2551
#ifdef NETIF_F_TSO_IPV6
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
		} 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
  2553
			skb->nh.ipv6h->payload_len = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
			skb->h.th->check =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
				~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
  2556
						 &skb->nh.ipv6h->daddr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
						 0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
						 IPPROTO_TCP,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
						 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
			ipcse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		ipcss = skb->nh.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		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
  2565
		tucss = skb->h.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		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
  2567
		tucse = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		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
  2570
			       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
  2571
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		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
  2574
		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
  2575
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		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
  2577
		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
  2578
		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
  2579
		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
  2580
		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
  2581
		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
  2582
		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
  2583
		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
  2584
		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
  2585
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
		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
  2589
		tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
		return TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	return FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
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
  2600
              struct sk_buff *skb)
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
	struct e1000_context_desc *context_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	uint8_t css;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	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
  2608
		css = skb->h.raw - skb->data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
		i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		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
  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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
		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
  2615
		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
  2616
		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
  2617
		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
  2618
		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
  2619
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		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
  2623
		tx_ring->next_to_use = i;
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
		return TRUE;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	return FALSE;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
#define E1000_MAX_TXD_PWR	12
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
#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
  2633
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
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
  2636
             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
  2637
             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
  2638
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	unsigned int len = skb->len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	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
  2642
	unsigned int f;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	len -= skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	i = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	while (len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		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
  2649
		size = min(len, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		/* Workaround for Controller erratum --
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		 * 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
  2653
		 * 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
  2654
		 * DMA'd to the controller */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		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
  2656
		    !skb_is_gso(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			tx_ring->last_tx_tso = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		}
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
		/* Workaround for premature desc write-backs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
		 * 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
  2663
		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
  2664
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
		/* 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
  2667
		 * 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
  2668
		 * 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
  2669
		 * 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
  2670
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
		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
  2672
		                (size > 2015) && count == 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		        size = 2015;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		/* 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
  2676
		 * terminating buffers within evenly-aligned dwords. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		if (unlikely(adapter->pcix_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		   !((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
  2679
		   size > 4))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
			size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		buffer_info->length = size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		buffer_info->dma =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
			pci_map_single(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
				skb->data + offset,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
				size,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
				PCI_DMA_TODEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		buffer_info->time_stamp = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		len -= size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		offset += size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
		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
  2694
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	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
  2697
		struct skb_frag_struct *frag;
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
		frag = &skb_shinfo(skb)->frags[f];
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		len = frag->size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		offset = frag->page_offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		while (len) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
			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
  2705
			size = min(len, max_per_txd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
			/* Workaround for premature desc write-backs
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
			 * 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
  2709
			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
  2710
				size -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
			/* 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
  2713
			 * Avoid terminating buffers within evenly-aligned
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
			 * dwords. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
			if (unlikely(adapter->pcix_82544 &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
			   !((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
  2717
			   size > 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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
			buffer_info->length = size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
			buffer_info->dma =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
				pci_map_page(adapter->pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
					frag->page,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
					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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	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
  2737
	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
  2738
	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
  2739
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	return count;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
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
  2745
               int tx_flags, int count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	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
  2748
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	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
  2750
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	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
  2753
		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
  2754
		             E1000_TXD_CMD_TSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		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
  2756
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		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
  2758
			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
  2759
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	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
  2762
		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
  2763
		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
  2764
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	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
  2767
		txd_lower |= E1000_TXD_CMD_VLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		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
  2769
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	i = tx_ring->next_to_use;
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
	while (count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		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
  2775
		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
  2776
		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
  2777
		tx_desc->lower.data =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
			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
  2779
		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
  2780
		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
  2781
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	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
  2784
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	/* 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
  2786
	 * 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
  2787
	 * 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
  2788
	 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	wmb();
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
	tx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	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
  2793
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
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
 * 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
  2797
 * 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
  2798
 * 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
  2799
 * 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
  2800
 * 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
  2801
 * 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
  2802
 **/
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
#define E1000_FIFO_HDR			0x10
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
#define E1000_82547_PAD_LEN		0x3E0
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
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
  2809
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	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
  2811
	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
  2812
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	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
  2814
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	if (adapter->link_duplex != HALF_DUPLEX)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		goto no_fifo_stall_required;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	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
  2819
		return 1;
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
	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
  2822
		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
  2823
		return 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
no_fifo_stall_required:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	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
  2828
	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
  2829
		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
  2830
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
}
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
#define MINIMUM_DHCP_PACKET_SIZE 282
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
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
  2836
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	struct e1000_hw *hw =  &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	uint16_t length, offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	if (vlan_tx_tag_present(skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		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
  2841
			( adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
			  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
  2843
			return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	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
  2846
		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
  2847
		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
  2848
			const struct iphdr *ip =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
				(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
  2850
			if (IPPROTO_UDP == ip->protocol) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
				struct udphdr *udp =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
					(struct udphdr *)((uint8_t *)ip +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
						(ip->ihl << 2));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
				if (ntohs(udp->dest) == 67) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
					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
  2856
					length = skb->len - offset;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
					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
  2859
							(uint8_t *)udp + 8,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
							length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		}
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
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
#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
  2869
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
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
  2871
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	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
  2873
	struct e1000_tx_ring *tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	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
  2875
	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
  2876
	unsigned int tx_flags = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	unsigned int len = skb->len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	unsigned int nr_frags = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	unsigned int mss = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	int count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	int tso;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	unsigned int f;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	len -= skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	tx_ring = adapter->tx_ring;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	if (unlikely(skb->len <= 0)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		dev_kfree_skb_any(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	mss = skb_shinfo(skb)->gso_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	/* 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
  2896
	 * 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
  2897
	 * 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
  2898
	 * 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
  2899
	 * 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
  2900
	 * drops. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	if (mss) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		uint8_t hdr_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		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
  2904
		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
  2905
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	/* 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
  2907
	 * 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
  2908
	 * frags into skb->data */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		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
  2910
		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
  2911
			switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
				unsigned int pull_size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
			case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
			case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
				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
  2918
				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
  2919
					DPRINTK(DRV, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
						"__pskb_pull_tail failed.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
					dev_kfree_skb_any(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
					return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
				len = skb->len - skb->data_len;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
			default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
				/* do nothing */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		}
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
	/* 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
  2934
	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
  2935
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	if (skb->ip_summed == CHECKSUM_HW)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
#ifdef NETIF_F_TSO
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	/* Controller Erratum workaround */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	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
  2945
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	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
  2949
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	if (adapter->pcix_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	/* 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
  2954
	 * 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
  2955
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	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
  2957
			(len > 2015)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	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
  2961
	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
  2962
		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
  2963
				       max_txd_pwr);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	if (adapter->pcix_82544)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		count += nr_frags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	if (adapter->hw.tx_pkt_filtering &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
	    (adapter->hw.mac_type == e1000_82573))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		e1000_transfer_dhcp_info(adapter, skb);
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
	local_irq_save(flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	if (!spin_trylock(&tx_ring->tx_lock)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		/* Collision - tell upper layer to requeue */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		local_irq_restore(flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		return NETDEV_TX_LOCKED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	/* 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
  2980
	 * head, otherwise try next time */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	if (unlikely(E1000_DESC_UNUSED(tx_ring) < count + 2)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		return NETDEV_TX_BUSY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	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
  2988
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
			netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			return NETDEV_TX_BUSY;
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
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	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
  2997
		tx_flags |= E1000_TX_FLAGS_VLAN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		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
  2999
	}
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
	first = tx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	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
  3004
	if (tso < 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
		dev_kfree_skb_any(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		return NETDEV_TX_OK;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	if (likely(tso)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		tx_ring->last_tx_tso = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		tx_flags |= E1000_TX_FLAGS_TSO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	} 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
  3014
		tx_flags |= E1000_TX_FLAGS_CSUM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	/* 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
  3017
	 * 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
  3018
	 * no longer assume, we must. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
	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
  3020
		tx_flags |= E1000_TX_FLAGS_IPV4;
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
	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
  3023
	               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
  3024
	                            max_per_txd, nr_frags, mss));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	netdev->trans_start = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	/* Make sure there is space in the ring for the next send. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	if (unlikely(E1000_DESC_UNUSED(tx_ring) < MAX_SKB_FRAGS + 2))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		netif_stop_queue(netdev);
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
	spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	return NETDEV_TX_OK;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
 * 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
  3038
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
 **/
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
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
  3043
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	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
  3045
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	/* 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
  3047
	adapter->tx_timeout_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	schedule_work(&adapter->reset_task);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
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
  3053
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	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
  3055
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	e1000_reinit_locked(adapter);
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
 * 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
  3061
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 * 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
  3064
 * 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
  3065
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
static struct net_device_stats *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
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
  3069
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	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
  3071
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	/* only return the current stats */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	return &adapter->net_stats;
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
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
 * 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
  3078
 * @netdev: network interface device structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
 * @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
  3080
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
 * 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
  3082
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
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
  3086
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	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
  3088
	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
  3089
	uint16_t eeprom_data = 0;
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
	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
  3092
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		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
  3094
		return -EINVAL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	/* Adapter-specific max frame size limits. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	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
  3100
	case e1000_ich8lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		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
  3102
			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
  3103
			return -EINVAL;
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
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		/* 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
  3108
		 * 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
  3109
		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
  3110
		                  &eeprom_data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		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
  3112
			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
  3113
				DPRINTK(PROBE, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
			            	"Jumbo Frames not supported.\n");
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
				return -EINVAL;
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
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		/* fall through to get support */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	case e1000_82571:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	case e1000_82572:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	case e1000_80003es2lan:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
#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
  3124
		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
  3125
			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
  3126
			return -EINVAL;
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
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		/* 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
  3131
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	}
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
	/* 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
  3135
	 * 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
  3136
	 * larger slab size
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	 * 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
  3138
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	if (max_frame <= E1000_RXBUFFER_256)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		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
  3141
	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
  3142
		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
  3143
	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
  3144
		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
  3145
	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
  3146
		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
  3147
	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
  3148
		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
  3149
	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
  3150
		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
  3151
	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
  3152
		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
  3153
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	/* 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
  3155
	if (!adapter->hw.tbi_compatibility_on &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		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
  3159
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	netdev->mtu = new_mtu;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	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
  3166
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
 * 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
  3172
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
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
  3177
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	uint16_t phy_tmp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
#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
  3184
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/*
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	 * 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
  3187
	 * connection is down.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	if (adapter->link_speed == 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	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
  3192
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	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
  3195
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	/* 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
  3197
	 * 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
  3198
	 * 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
  3199
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	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
  3202
	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
  3203
	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
  3204
	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
  3205
	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
  3206
	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
  3207
	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
  3208
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	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
  3210
	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
  3211
	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
  3212
	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
  3213
	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
  3214
	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
  3215
	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
  3216
	}
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
	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
  3219
	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
  3220
	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
  3221
	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
  3222
	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
  3223
	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
  3224
	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
  3225
	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
  3226
	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
  3227
	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
  3228
	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
  3229
	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
  3230
	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
  3231
	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
  3232
	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
  3233
	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
  3234
	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
  3235
	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
  3236
	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
  3237
	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
  3238
	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
  3239
	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
  3240
	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
  3241
	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
  3242
	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
  3243
	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
  3244
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	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
  3246
	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
  3247
	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
  3248
	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
  3249
	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
  3250
	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
  3251
	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
  3252
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	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
  3255
	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
  3256
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	/* used for adaptive IFS */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	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
  3260
	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
  3261
	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
  3262
	adapter->stats.colc += hw->collision_delta;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	if (hw->mac_type >= e1000_82543) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		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
  3266
		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
  3267
		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
  3268
		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
  3269
		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
  3270
		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
  3271
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	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
  3273
		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
  3274
		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
  3275
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		if (adapter->hw.mac_type != e1000_ich8lan) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		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
  3279
		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
  3280
		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
  3281
		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
  3282
		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
  3283
		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
  3284
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	/* Fill out the OS statistics structure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	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
  3290
	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
  3291
	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
  3292
	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
  3293
	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
  3294
	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
  3295
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	/* Rx Errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	/* 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
  3299
	* 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
  3300
	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
  3301
		adapter->stats.crcerrs + adapter->stats.algnerrc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
		adapter->stats.ruc + adapter->stats.roc +
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		adapter->stats.cexterr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	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
  3305
	                                      adapter->stats.roc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	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
  3307
	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
  3308
	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
  3309
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	/* Tx Errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	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
  3313
	                               adapter->stats.latecol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	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
  3315
	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
  3316
	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
  3317
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	/* 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
  3319
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	/* Phy Stats */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	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
  3323
		if ((adapter->link_speed == SPEED_1000) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
		   (!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
  3325
			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
  3326
			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
  3327
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		if ((hw->mac_type <= e1000_82546) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		   (hw->phy_type == e1000_phy_m88) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		   !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
  3332
			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
  3333
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	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
  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
 * e1000_intr - Interrupt Handler
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
 * @irq: interrupt number
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
 * @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
  3342
 * @pt_regs: CPU registers structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
static irqreturn_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
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
  3347
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	struct net_device *netdev = data;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	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
  3350
	struct e1000_hw *hw = &adapter->hw;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	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
  3352
#ifndef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	/* Interrupt Auto-Mask...upon reading ICR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	 * 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
  3357
	 * 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
  3358
	 * account for it ASAP. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	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
  3360
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	if (unlikely(!icr)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		if (hw->mac_type >= e1000_82571)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
			e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		return IRQ_NONE;  /* Not our interrupt */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	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
  3372
		hw->get_link_status = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		/* 80003ES2LAN workaround--
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		 * 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
  3375
		 * 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
  3376
		 * reset adapter in watchdog
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		if (netif_carrier_ok(netdev) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		    (adapter->hw.mac_type == e1000_80003es2lan)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
			/* disable receives */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
			rctl = E1000_READ_REG(hw, RCTL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
			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
  3383
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
		mod_timer(&adapter->watchdog_timer, jiffies);
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	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
  3389
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		E1000_WRITE_REG(hw, IMC, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
		E1000_WRITE_FLUSH(hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	if (likely(netif_rx_schedule_prep(netdev)))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		__netif_rx_schedule(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	/* Writing IMC and IMS is needed for 82547.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	 * Due to Hub Link bus being occupied, an interrupt
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	 * 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
  3401
	 * 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
  3402
	 * 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
  3403
	 * 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
  3404
	 * 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
  3405
	 * 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
  3406
	 * de-assertion state.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	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
  3409
		atomic_inc(&adapter->irq_sem);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		E1000_WRITE_REG(hw, IMC, ~0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	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
  3414
		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
  3415
		   !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
  3416
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	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
  3419
		e1000_irq_enable(adapter);
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
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	return IRQ_HANDLED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
#ifdef CONFIG_E1000_NAPI
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
 * e1000_clean - NAPI Rx polling callback
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
e1000_clean(struct net_device *poll_dev, int *budget)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	struct e1000_adapter *adapter;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	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
  3437
	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
  3438
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	/* 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
  3440
	adapter = poll_dev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	/* 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
  3443
	if (!netif_carrier_ok(poll_dev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		goto quit_polling;
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
	/* 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
  3447
	 * 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
  3448
	 * 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
  3449
	 * 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
  3450
	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
  3451
		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
  3452
		                                &adapter->tx_ring[0]);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
		spin_unlock(&adapter->tx_queue_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	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
  3457
	                  &work_done, work_to_do);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	*budget -= work_done;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	poll_dev->quota -= work_done;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	/* 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
  3463
	if ((!tx_cleaned && (work_done == 0)) ||
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	   !netif_running(poll_dev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
quit_polling:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
		netif_rx_complete(poll_dev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
		e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	return 1;
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
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
 * 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
  3477
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
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
  3482
                   struct e1000_tx_ring *tx_ring)
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
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	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
  3486
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	unsigned int i, eop;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	unsigned int count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	boolean_t cleaned = FALSE;
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
	i = tx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	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
  3495
	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
  3496
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	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
  3498
		for (cleaned = FALSE; !cleaned; ) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
			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
  3500
			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
  3501
			cleaned = (i == eop);
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
			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
  3504
			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
  3505
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
			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
  3507
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		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
  3511
		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
  3512
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
#define E1000_TX_WEIGHT 64
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		/* 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
  3515
		if (count++ == E1000_TX_WEIGHT) break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	tx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
#define TX_WAKE_THRESHOLD 32
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	if (unlikely(cleaned && netif_queue_stopped(netdev) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	             netif_carrier_ok(netdev))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		spin_lock(&tx_ring->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		if (netif_queue_stopped(netdev) &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		    (E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
			netif_wake_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		spin_unlock(&tx_ring->tx_lock);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	}
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
	if (adapter->detect_tx_hung) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		/* 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
  3533
		 * 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
  3534
		adapter->detect_tx_hung = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		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
  3536
		    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
  3537
		               (adapter->tx_timeout_factor * HZ))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		    && !(E1000_READ_REG(&adapter->hw, STATUS) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		         E1000_STATUS_TXOFF)) {
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
			/* detected Tx unit hang */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
			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
  3543
					"  Tx Queue             <%lu>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
					"  TDH                  <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
					"  TDT                  <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
					"  next_to_use          <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
					"  next_to_clean        <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
					"buffer_info[next_to_clean]\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
					"  time_stamp           <%lx>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
					"  next_to_watch        <%x>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
					"  jiffies              <%lx>\n"
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
					"  next_to_watch.status <%x>\n",
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
				(unsigned long)((tx_ring - adapter->tx_ring) /
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
					sizeof(struct e1000_tx_ring)),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
				readl(adapter->hw.hw_addr + tx_ring->tdh),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
				readl(adapter->hw.hw_addr + tx_ring->tdt),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
				tx_ring->next_to_use,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
				tx_ring->next_to_clean,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
				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
  3560
				eop,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
				jiffies,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
				eop_desc->upper.fields.status);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
			netif_stop_queue(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
}
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
 * 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
  3571
 * @adapter:     board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
 * @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
  3573
 * @csum:        receive descriptor csum field
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
 * @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
  3575
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
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
  3579
		  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
  3580
		  struct sk_buff *skb)
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
	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
  3583
	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
  3584
	skb->ip_summed = CHECKSUM_NONE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	/* 82543 or newer only */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	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
  3588
	/* Ignore Checksum bit is set */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	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
  3590
	/* 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
  3591
	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
  3592
		/* let the stack verify checksum errors */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		adapter->hw_csum_err++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	/* 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
  3597
	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
  3598
		if (!(status & E1000_RXD_STAT_TCPCS))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		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
  3602
			return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	/* 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
  3605
	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
  3606
		/* TCP checksum is good */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		skb->ip_summed = CHECKSUM_UNNECESSARY;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	} 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
  3609
		/* IP fragment with UDP payload */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		/* 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
  3611
		 * 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
  3612
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		csum = ntohl(csum ^ 0xFFFF);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		skb->csum = csum;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		skb->ip_summed = CHECKSUM_HW;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	adapter->hw_csum_good++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
 * 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
  3622
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
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
  3628
                   struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
                   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
  3630
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
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
  3632
                   struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	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
  3638
	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
  3639
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	uint32_t length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	uint8_t last_byte;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	int cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	i = rx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	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
  3648
	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
  3649
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	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
  3651
		struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
		u8 status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		if (*work_done >= work_to_do)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		(*work_done)++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		status = rx_desc->status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
		skb = buffer_info->skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
		buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		prefetch(skb->data - NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		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
  3665
		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
  3666
		prefetch(next_rxd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		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
  3669
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		cleaned = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		cleaned_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
		pci_unmap_single(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
		                 buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
		                 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
		                 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
		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
  3678
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
		/* adjust length to remove Ethernet CRC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
		length -= 4;
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
		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
  3683
			/* 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
  3684
			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
  3685
				  " buffers\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
			/* recycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
			buffer_info-> skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
			last_byte = *(skb->data + length - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
			if (TBI_ACCEPT(&adapter->hw, status,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
			              rx_desc->errors, length, last_byte)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
				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
  3696
				e1000_tbi_adjust_stats(&adapter->hw,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
				                       &adapter->stats,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
				                       length, skb->data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
				spin_unlock_irqrestore(&adapter->stats_lock,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
				                       flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
				length--;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
			} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
				/* recycle */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
				buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
				goto next_desc;
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
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
		/* 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
  3710
		 * 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
  3711
		 * 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
  3712
#define E1000_CB_LENGTH 256
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		if (length < E1000_CB_LENGTH) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
			struct sk_buff *new_skb =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			if (new_skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
				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
  3718
				new_skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
				memcpy(new_skb->data - NET_IP_ALIGN,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
				       skb->data - NET_IP_ALIGN,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
				       length + NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
				/* 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
  3723
				buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
				skb = new_skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
				skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
			skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		/* end copybreak code */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		/* Receive Checksum Offload */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		e1000_rx_checksum(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
				  (uint32_t)(status) |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
				  ((uint32_t)(rx_desc->errors) << 24),
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
				  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
  3737
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		skb->protocol = eth_type_trans(skb, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		if (unlikely(adapter->vlgrp &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
			    (status & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
						 le16_to_cpu(rx_desc->special) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
						 E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
			netif_receive_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
#else /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		if (unlikely(adapter->vlgrp &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			    (status & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			vlan_hwaccel_rx(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
					le16_to_cpu(rx_desc->special) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
					E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
			netif_rx(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
#endif /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
		netdev->last_rx = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
next_desc:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		rx_desc->status = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		/* 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
  3764
		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
  3765
			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
  3766
			cleaned_count = 0;
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
		/* use prefetched values */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		rx_desc = next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		buffer_info = next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	rx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	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
  3776
	if (cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		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
  3778
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
 * 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
  3784
 * @adapter: board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
static boolean_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
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
  3790
                      struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
                      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
  3792
#else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
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
  3794
                      struct e1000_rx_ring *rx_ring)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	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
  3798
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	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
  3801
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	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
  3803
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	uint32_t length, staterr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	int cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	boolean_t cleaned = FALSE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	i = rx_ring->next_to_clean;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	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
  3811
	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
  3812
	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
  3813
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	while (staterr & E1000_RXD_STAT_DD) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		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
  3816
		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
  3817
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		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
  3819
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
		(*work_done)++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
		skb = buffer_info->skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		/* 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
  3825
		prefetch(skb->data - NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
		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
  3828
		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
  3829
		prefetch(next_rxd);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		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
  3832
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		cleaned = TRUE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		cleaned_count++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		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
  3836
				 buffer_info->length,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
				 PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
		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
  3840
			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
  3841
				  " the full packet\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
			dev_kfree_skb_irq(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
			dev_kfree_skb_irq(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		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
  3852
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		if (unlikely(!length)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
			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
  3855
				  " multiple descriptors\n", netdev->name);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
			dev_kfree_skb_irq(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
			goto next_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		/* Good Receive */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		skb_put(skb, length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		/* 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
  3865
		   more efficient than reusing j */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		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
  3867
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		/* 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
  3869
		 * 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
  3870
		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
  3871
			u8 *vaddr;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
			/* 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
  3873
			 * 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
  3874
			 * very long */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
			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
  3876
				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
  3877
				PAGE_SIZE,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
				PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
			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
  3880
			                    KM_SKB_DATA_SOFTIRQ);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
			memcpy(skb->tail, vaddr, l1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
			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
  3883
			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
  3884
				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
  3885
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
			/* remove the CRC */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
			l1 -= 4;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
			skb_put(skb, l1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
			goto copydone;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		} /* if */
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
		
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
		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
  3894
			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
  3895
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
			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
  3897
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
			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
  3899
			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
  3900
			                   length);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
			ps_page->ps_page[j] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
			skb->len += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
			skb->data_len += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
			skb->truesize += length;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		/* 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
  3908
		 * 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
  3909
		pskb_trim(skb, skb->len - 4);
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
copydone:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		e1000_rx_checksum(adapter, staterr,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
				  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
  3914
		skb->protocol = eth_type_trans(skb, netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		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
  3917
			   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
  3918
			adapter->rx_hdr_split++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
#ifdef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
				le16_to_cpu(rx_desc->wb.middle.vlan) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
				E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
			netif_receive_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
#else /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
			vlan_hwaccel_rx(skb, adapter->vlgrp,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
				le16_to_cpu(rx_desc->wb.middle.vlan) &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
				E1000_RXD_SPC_VLAN_MASK);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
			netif_rx(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
#endif /* CONFIG_E1000_NAPI */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
		netdev->last_rx = jiffies;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
next_desc:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
		/* 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
  3943
		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
  3944
			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
  3945
			cleaned_count = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
		/* use prefetched values */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
		rx_desc = next_rxd;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
		buffer_info = next_buffer;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
		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
  3953
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	rx_ring->next_to_clean = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	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
  3957
	if (cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		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
  3959
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	return cleaned;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
 * 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
  3965
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
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
  3970
                       struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
		       int cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	struct e1000_rx_desc *rx_desc;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	unsigned int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	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
  3980
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	i = rx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	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
  3983
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	while (cleaned_count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		if (!(skb = buffer_info->skb))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
			skb = netdev_alloc_skb(netdev, bufsz);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			skb_trim(skb, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			goto map_skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		if (unlikely(!skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
			/* Better luck next round */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
			adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		/* 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
  3999
		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
  4000
			struct sk_buff *oldskb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
			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
  4002
					     "at %p\n", bufsz, skb->data);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
			/* Try again, without freeing the previous */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
			skb = netdev_alloc_skb(netdev, bufsz);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
			/* Failed allocation, critical failure */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			if (!skb) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			}
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
			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
  4012
				/* give up */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
				dev_kfree_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
				break; /* while !buffer_info->skb */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
				/* Use new allocation */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
				dev_kfree_skb(oldskb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		/* 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
  4022
		 * 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
  4023
		 * 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
  4024
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		skb_reserve(skb, NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		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
  4031
map_skb:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		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
  4033
						  skb->data,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
						  adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
						  PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		/* 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
  4038
		if (!e1000_check_64k_bound(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
					(void *)(unsigned long)buffer_info->dma,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
					adapter->rx_buffer_len)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			DPRINTK(RX_ERR, ERR,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
				"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
  4043
				adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
				(void *)(unsigned long)buffer_info->dma);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			dev_kfree_skb(skb);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
			buffer_info->skb = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
			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
  4049
					 adapter->rx_buffer_len,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
					 PCI_DMA_FROMDEVICE);
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
			break; /* while !buffer_info->skb */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
		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
  4055
		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
  4056
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		if (unlikely(++i == rx_ring->count))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			i = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
		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
  4060
	}
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
	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
  4063
		rx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		if (unlikely(i-- == 0))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
			i = (rx_ring->count - 1);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
		/* 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
  4068
		 * 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
  4069
		 * 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
  4070
		 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		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
  4073
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
 * 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
  4078
 * @adapter: address of board private structure
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
 **/
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
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
  4083
                          struct e1000_rx_ring *rx_ring,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
			  int cleaned_count)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	struct net_device *netdev = adapter->netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	struct pci_dev *pdev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	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
  4089
	struct e1000_buffer *buffer_info;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	struct e1000_ps_page *ps_page;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	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
  4092
	struct sk_buff *skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	unsigned int i, j;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	i = rx_ring->next_to_use;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	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
  4097
	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
  4098
	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
  4099
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	while (cleaned_count--) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
		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
  4102
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		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
  4104
			if (j < adapter->rx_ps_pages) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
				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
  4106
					ps_page->ps_page[j] =
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
						alloc_page(GFP_ATOMIC);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
					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
  4109
						adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
						goto no_buffers;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
					}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
					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
  4113
						pci_map_page(pdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
							    ps_page->ps_page[j],
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
							    0, PAGE_SIZE,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
							    PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
				/* 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
  4119
				 * change because each write-back erases
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
				 * this info.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
				 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
				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
  4123
				     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
  4124
			} else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
				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
  4126
		}
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
		skb = netdev_alloc_skb(netdev,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
				       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
  4130
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		if (unlikely(!skb)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
			adapter->alloc_rx_buff_failed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
			break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		/* 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
  4137
		 * 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
  4138
		 * 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
  4139
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
		skb_reserve(skb, NET_IP_ALIGN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		skb->dev = netdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		buffer_info->skb = skb;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		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
  4146
		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
  4147
						  adapter->rx_ps_bsize0,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
						  PCI_DMA_FROMDEVICE);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		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
  4151
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		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
  4153
		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
  4154
		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
  4155
		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
  4156
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
no_buffers:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	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
  4160
		rx_ring->next_to_use = i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		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
  4162
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
		/* 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
  4164
		 * 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
  4165
		 * 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
  4166
		 * such as IA-64). */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		wmb();
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		/* 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
  4169
		 * 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
  4170
		 * twice as much.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		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
  4173
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
 * 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
  4178
 * @adapter:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
e1000_smartspeed(struct e1000_adapter *adapter)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	uint16_t phy_status;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	uint16_t phy_ctrl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	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
  4188
	   !(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
  4189
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	if (adapter->smartspeed == 0) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		/* 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
  4193
		 * we assume back-to-back */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		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
  4195
		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
  4196
		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
  4197
		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
  4198
		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
  4199
		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
  4200
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
			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
  4202
					    phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
			adapter->smartspeed++;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
			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
  4205
			   !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
  4206
				   	       &phy_ctrl)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
				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
  4208
					     MII_CR_RESTART_AUTO_NEG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
				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
  4210
						    phy_ctrl);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	} 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
  4215
		/* 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
  4216
		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
  4217
		phy_ctrl |= CR_1000T_MS_ENABLE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
		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
  4219
		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
  4220
		   !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
  4221
			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
  4222
				     MII_CR_RESTART_AUTO_NEG);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
			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
  4224
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	/* 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
  4227
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		adapter->smartspeed = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
 * e1000_ioctl -
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
 * @netdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
 * @ifreq:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
 * @cmd:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
 **/
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
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
  4240
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	switch (cmd) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
	case SIOCGMIIPHY:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
	case SIOCGMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	case SIOCSMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
		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
  4246
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
}
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
 * e1000_mii_ioctl -
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
 * @netdev:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
 * @ifreq:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
 * @cmd:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
 **/
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
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
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
  4260
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	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
  4262
	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
  4263
	int retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	uint16_t mii_reg;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	uint16_t spddplx;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	unsigned long flags;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	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
  4269
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	switch (cmd) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	case SIOCGMIIPHY:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		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
  4274
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	case SIOCGMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		if (!capable(CAP_NET_ADMIN))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
			return -EPERM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		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
  4279
		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
  4280
				   &data->val_out)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
			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
  4282
			return -EIO;
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
		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
  4285
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	case SIOCSMIIREG:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		if (!capable(CAP_NET_ADMIN))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			return -EPERM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		if (data->reg_num & ~(0x1F))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
			return -EFAULT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		mii_reg = data->val_in;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		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
  4293
		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
  4294
					mii_reg)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
			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
  4296
			return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		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
  4299
			switch (data->reg_num) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			case PHY_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
				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
  4302
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
				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
  4304
					adapter->hw.autoneg = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
					adapter->hw.autoneg_advertised = 0x2F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
				} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
					if (mii_reg & 0x40)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
						spddplx = SPEED_1000;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
					else if (mii_reg & 0x2000)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
						spddplx = SPEED_100;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
					else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
						spddplx = SPEED_10;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
					spddplx += (mii_reg & 0x100)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
						   ? DUPLEX_FULL :
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
						   DUPLEX_HALF;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
					retval = e1000_set_spd_dplx(adapter,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
								    spddplx);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
					if (retval) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
						spin_unlock_irqrestore(
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
							&adapter->stats_lock,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
							flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
						return retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
					}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
				if (netif_running(adapter->netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
					e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
				else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
					e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
			case M88E1000_PHY_SPEC_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			case M88E1000_EXT_PHY_SPEC_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
				if (e1000_phy_reset(&adapter->hw)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
					spin_unlock_irqrestore(
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
						&adapter->stats_lock, flags);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
					return -EIO;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
				}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
				break;
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
		} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
			switch (data->reg_num) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
			case PHY_CTRL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
				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
  4343
					break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
				if (netif_running(adapter->netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
					e1000_reinit_locked(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
				else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
					e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
				break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		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
  4352
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
		return -EOPNOTSUPP;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	return E1000_SUCCESS;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
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
  4361
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	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
  4364
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	if (ret_val)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		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
  4367
}
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
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
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
  4371
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	pci_clear_mwi(adapter->pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
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
  4379
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	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
  4383
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
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
  4387
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	struct e1000_adapter *adapter = hw->back;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
	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
  4391
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
#if 0
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
uint32_t
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
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
  4396
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	return inl(port);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
#endif  /*  0  */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
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
  4403
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	outl(value, port);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
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
  4409
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	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
  4411
	uint32_t ctrl, rctl;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	e1000_irq_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	adapter->vlgrp = grp;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	if (grp) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		/* enable VLAN tag insert/strip */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
		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
  4419
		ctrl |= E1000_CTRL_VME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		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
  4421
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		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
  4423
		/* enable VLAN receive filtering */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		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
  4425
		rctl |= E1000_RCTL_VFE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		rctl &= ~E1000_RCTL_CFIEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		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
  4428
		e1000_update_mng_vlan(adapter);
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
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		/* disable VLAN tag insert/strip */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		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
  4433
		ctrl &= ~E1000_CTRL_VME;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		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
  4435
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		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
  4437
		/* disable VLAN filtering */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		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
  4439
		rctl &= ~E1000_RCTL_VFE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		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
  4441
		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
  4442
			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
  4443
			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
  4444
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	}
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
	e1000_irq_enable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
}
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
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
  4453
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	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
  4455
	uint32_t vfta, index;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	     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
  4459
	    (vid == adapter->mng_vlan_id))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
	/* add VID to filter table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	index = (vid >> 5) & 0x7F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	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
  4464
	vfta |= (1 << (vid & 0x1F));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	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
  4466
}
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
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
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
  4470
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	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
  4472
	uint32_t vfta, index;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	e1000_irq_disable(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	if (adapter->vlgrp)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		adapter->vlgrp->vlan_devices[vid] = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	e1000_irq_enable(adapter);
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
	if ((adapter->hw.mng_cookie.status &
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	     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
  4483
	    (vid == adapter->mng_vlan_id)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		/* release control to f/w */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	/* remove VID from filter table */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	index = (vid >> 5) & 0x7F;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	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
  4492
	vfta &= ~(1 << (vid & 0x1F));
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	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
  4494
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
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
  4498
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	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
  4500
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	if (adapter->vlgrp) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		uint16_t vid;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		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
  4504
			if (!adapter->vlgrp->vlan_devices[vid])
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
				continue;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
			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
  4507
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
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
  4513
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	adapter->hw.autoneg = 0;
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
	/* 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
  4517
	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
  4518
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		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
  4520
		return -EINVAL;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	switch (spddplx) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	case SPEED_10 + DUPLEX_HALF:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
		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
  4526
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	case SPEED_10 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		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
  4529
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
	case SPEED_100 + DUPLEX_HALF:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		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
  4532
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	case SPEED_100 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		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
  4535
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	case SPEED_1000 + DUPLEX_FULL:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		adapter->hw.autoneg = 1;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
		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
  4539
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	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
  4541
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		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
  4543
		return -EINVAL;
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
	return 0;
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
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
/* 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
  4550
 * 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
  4551
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
#define PCIE_CONFIG_SPACE_LEN 256
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
#define PCI_CONFIG_SPACE_LEN 64
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
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
  4556
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	struct pci_dev *dev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	int i;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	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
  4562
		size = PCIE_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		size = PCI_CONFIG_SPACE_LEN;
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
	WARN_ON(adapter->config_space != NULL);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	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
  4569
	if (!adapter->config_space) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		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
  4571
		return -ENOMEM;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	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
  4574
		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
  4575
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
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
  4580
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	struct pci_dev *dev = adapter->pdev;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	int size;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	int i;
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
	if (adapter->config_space == NULL)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	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
  4589
		size = PCIE_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	else
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		size = PCI_CONFIG_SPACE_LEN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	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
  4593
		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
  4594
	kfree(adapter->config_space);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	adapter->config_space = NULL;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	return;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
#endif /* CONFIG_PM */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
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
  4602
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	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
  4604
	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
  4605
	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
  4606
	uint32_t wufc = adapter->wol;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	int retval = 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	netif_device_detach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	if (netif_running(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		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
  4615
		e1000_down(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	/* 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
  4620
	 * 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
  4621
	retval = e1000_pci_save_state(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	if (retval)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		return retval;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	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
  4627
	if (status & E1000_STATUS_LU)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		wufc &= ~E1000_WUFC_LNKC;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	if (wufc) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		e1000_setup_rctl(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		e1000_set_multi(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		/* 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
  4635
		if (adapter->wol & E1000_WUFC_MC) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			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
  4637
			rctl |= E1000_RCTL_MPE;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
			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
  4639
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		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
  4642
			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
  4643
			/* advertise wake from D3Cold */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
			#define E1000_CTRL_ADVD3WUC 0x00100000
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
			/* phy power management enable */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
			#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
  4647
			ctrl |= E1000_CTRL_ADVD3WUC |
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
				E1000_CTRL_EN_PHY_PWR_MGMT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
			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
  4650
		}
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
		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
  4653
		   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
  4654
			/* keep the laser running in D3 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			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
  4656
			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
  4657
			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
  4658
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		/* 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
  4661
		e1000_disable_pciex_master(&adapter->hw);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		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
  4664
		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
  4665
		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
  4666
		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
  4667
	} else {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		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
  4669
		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
  4670
		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
  4671
		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
  4672
	}
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
	/* 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
  4675
	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
  4676
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	   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
  4678
		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
  4679
		if (manc & E1000_MANC_SMBUS_EN) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			manc |= E1000_MANC_ARP_EN;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			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
  4682
			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
  4683
			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
  4684
		}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	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
  4688
		e1000_phy_powerdown_workaround(&adapter->hw);
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
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		e1000_free_irq(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	/* 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
  4694
	 * 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
  4695
	e1000_release_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	pci_disable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	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
  4700
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
#ifdef CONFIG_PM
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
static int
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
e1000_resume(struct pci_dev *pdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	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
  4709
	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
  4710
	uint32_t manc, ret_val;
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
	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
  4713
	e1000_pci_restore_state(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	ret_val = pci_enable_device(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	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
  4718
	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
  4719
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	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
  4721
		return ret_val;
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
	e1000_power_up_phy(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	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
  4726
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		e1000_up(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	netif_device_attach(netdev);
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
	/* 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
  4733
	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
  4734
	   adapter->hw.mac_type != e1000_ich8lan &&
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	   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
  4736
		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
  4737
		manc &= ~(E1000_MANC_ARP_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
		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
  4739
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	/* 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
  4742
	 * 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
  4743
	 * 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
  4744
	 * of the driver. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	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
  4746
	    !e1000_check_mng_mode(&adapter->hw))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		e1000_get_hw_control(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	return 0;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
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
  4754
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	e1000_suspend(pdev, PMSG_SUSPEND);
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
#ifdef CONFIG_NET_POLL_CONTROLLER
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
/*
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
 * 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
  4761
 * 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
  4762
 * the interrupt routine is executing.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
static void
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
e1000_netpoll(struct net_device *netdev)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	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
  4768
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	disable_irq(adapter->pdev->irq);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	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
  4771
	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
  4772
#ifndef CONFIG_E1000_NAPI
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	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
  4774
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	enable_irq(adapter->pdev->irq);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
#endif
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
 * 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
  4781
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
 * @state: The current pci conneection state
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
 * 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
  4785
 * this device has been detected.
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
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
  4788
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	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
  4790
	struct e1000_adapter *adapter = netdev->priv;
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
	netif_device_detach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
		e1000_down(adapter);
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
	/* Request a slot slot reset. */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	return PCI_ERS_RESULT_NEED_RESET;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
}
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
 * 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
  4803
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
 * 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
  4806
 * 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
  4807
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
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
  4809
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	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
  4811
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	if (pci_enable_device(pdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		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
  4815
		return PCI_ERS_RESULT_DISCONNECT;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	pci_set_master(pdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	pci_enable_wake(pdev, 3, 0);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	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
  4821
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	/* 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
  4823
	if (PCI_FUNC (pdev->devfn) != 0)
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		return PCI_ERS_RESULT_RECOVERED;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	e1000_reset(adapter);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	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
  4828
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	return PCI_ERS_RESULT_RECOVERED;
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
/**
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
 * 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
  4834
 * @pdev: Pointer to PCI device
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
 *
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
 * 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
  4837
 * 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
  4838
 * 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
  4839
 */
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
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
  4841
{
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	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
  4843
	struct e1000_adapter *adapter = netdev->priv;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	uint32_t manc, swsm;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	if (netif_running(netdev)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		if (e1000_up(adapter)) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
			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
  4849
			return;
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
	}
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
	netif_device_attach(netdev);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	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
  4856
	    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
  4857
		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
  4858
		manc &= ~(E1000_MANC_ARP_EN);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
		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
  4860
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	switch (adapter->hw.mac_type) {
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	case e1000_82573:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		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
  4865
		E1000_WRITE_REG(&adapter->hw, SWSM,
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
				swsm | E1000_SWSM_DRV_LOAD);
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	default:
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		break;
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	}
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	if (netif_running(netdev))
9feff35c9617 First version with e1000 driver (to be continued...)
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		mod_timer(&adapter->watchdog_timer, jiffies);
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
/* e1000_main.c */