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1 /* |
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2 * forcedeth: Ethernet driver for NVIDIA nForce media access controllers. |
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3 * |
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4 * Note: This driver is a cleanroom reimplementation based on reverse |
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5 * engineered documentation written by Carl-Daniel Hailfinger |
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6 * and Andrew de Quincey. It's neither supported nor endorsed |
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7 * by NVIDIA Corp. Use at your own risk. |
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8 * |
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9 * NVIDIA, nForce and other NVIDIA marks are trademarks or registered |
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10 * trademarks of NVIDIA Corporation in the United States and other |
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11 * countries. |
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12 * |
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13 * Copyright (C) 2003,4,5 Manfred Spraul |
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14 * Copyright (C) 2004 Andrew de Quincey (wol support) |
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15 * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane |
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16 * IRQ rate fixes, bigendian fixes, cleanups, verification) |
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17 * Copyright (c) 2004 NVIDIA Corporation |
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18 * |
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19 * This program is free software; you can redistribute it and/or modify |
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20 * it under the terms of the GNU General Public License as published by |
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21 * the Free Software Foundation; either version 2 of the License, or |
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22 * (at your option) any later version. |
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23 * |
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24 * This program is distributed in the hope that it will be useful, |
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25 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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27 * GNU General Public License for more details. |
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28 * |
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29 * You should have received a copy of the GNU General Public License |
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30 * along with this program; if not, write to the Free Software |
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31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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32 * |
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33 * Changelog: |
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34 * 0.01: 05 Oct 2003: First release that compiles without warnings. |
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35 * 0.02: 05 Oct 2003: Fix bug for nv_drain_tx: do not try to free NULL skbs. |
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36 * Check all PCI BARs for the register window. |
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37 * udelay added to mii_rw. |
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38 * 0.03: 06 Oct 2003: Initialize dev->irq. |
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39 * 0.04: 07 Oct 2003: Initialize np->lock, reduce handled irqs, add printks. |
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40 * 0.05: 09 Oct 2003: printk removed again, irq status print tx_timeout. |
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41 * 0.06: 10 Oct 2003: MAC Address read updated, pff flag generation updated, |
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42 * irq mask updated |
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43 * 0.07: 14 Oct 2003: Further irq mask updates. |
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44 * 0.08: 20 Oct 2003: rx_desc.Length initialization added, nv_alloc_rx refill |
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45 * added into irq handler, NULL check for drain_ring. |
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46 * 0.09: 20 Oct 2003: Basic link speed irq implementation. Only handle the |
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47 * requested interrupt sources. |
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48 * 0.10: 20 Oct 2003: First cleanup for release. |
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49 * 0.11: 21 Oct 2003: hexdump for tx added, rx buffer sizes increased. |
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50 * MAC Address init fix, set_multicast cleanup. |
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51 * 0.12: 23 Oct 2003: Cleanups for release. |
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52 * 0.13: 25 Oct 2003: Limit for concurrent tx packets increased to 10. |
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53 * Set link speed correctly. start rx before starting |
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54 * tx (nv_start_rx sets the link speed). |
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55 * 0.14: 25 Oct 2003: Nic dependant irq mask. |
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56 * 0.15: 08 Nov 2003: fix smp deadlock with set_multicast_list during |
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57 * open. |
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58 * 0.16: 15 Nov 2003: include file cleanup for ppc64, rx buffer size |
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59 * increased to 1628 bytes. |
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60 * 0.17: 16 Nov 2003: undo rx buffer size increase. Substract 1 from |
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61 * the tx length. |
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62 * 0.18: 17 Nov 2003: fix oops due to late initialization of dev_stats |
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63 * 0.19: 29 Nov 2003: Handle RxNoBuf, detect & handle invalid mac |
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64 * addresses, really stop rx if already running |
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65 * in nv_start_rx, clean up a bit. |
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66 * 0.20: 07 Dec 2003: alloc fixes |
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67 * 0.21: 12 Jan 2004: additional alloc fix, nic polling fix. |
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68 * 0.22: 19 Jan 2004: reprogram timer to a sane rate, avoid lockup |
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69 * on close. |
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70 * 0.23: 26 Jan 2004: various small cleanups |
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71 * 0.24: 27 Feb 2004: make driver even less anonymous in backtraces |
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72 * 0.25: 09 Mar 2004: wol support |
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73 * 0.26: 03 Jun 2004: netdriver specific annotation, sparse-related fixes |
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74 * 0.27: 19 Jun 2004: Gigabit support, new descriptor rings, |
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75 * added CK804/MCP04 device IDs, code fixes |
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76 * for registers, link status and other minor fixes. |
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77 * 0.28: 21 Jun 2004: Big cleanup, making driver mostly endian safe |
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78 * 0.29: 31 Aug 2004: Add backup timer for link change notification. |
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79 * 0.30: 25 Sep 2004: rx checksum support for nf 250 Gb. Add rx reset |
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80 * into nv_close, otherwise reenabling for wol can |
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81 * cause DMA to kfree'd memory. |
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82 * 0.31: 14 Nov 2004: ethtool support for getting/setting link |
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83 * capabilities. |
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84 * 0.32: 16 Apr 2005: RX_ERROR4 handling added. |
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85 * 0.33: 16 May 2005: Support for MCP51 added. |
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86 * 0.34: 18 Jun 2005: Add DEV_NEED_LINKTIMER to all nForce nics. |
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87 * 0.35: 26 Jun 2005: Support for MCP55 added. |
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88 * 0.36: 28 Jun 2005: Add jumbo frame support. |
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89 * 0.37: 10 Jul 2005: Additional ethtool support, cleanup of pci id list |
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90 * 0.38: 16 Jul 2005: tx irq rewrite: Use global flags instead of |
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91 * per-packet flags. |
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92 * 0.39: 18 Jul 2005: Add 64bit descriptor support. |
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93 * 0.40: 19 Jul 2005: Add support for mac address change. |
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94 * 0.41: 30 Jul 2005: Write back original MAC in nv_close instead |
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95 * of nv_remove |
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96 * 0.42: 06 Aug 2005: Fix lack of link speed initialization |
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97 * in the second (and later) nv_open call |
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98 * 0.43: 10 Aug 2005: Add support for tx checksum. |
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99 * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation. |
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100 * 0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check |
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101 * 0.46: 20 Oct 2005: Add irq optimization modes. |
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102 * 0.47: 26 Oct 2005: Add phyaddr 0 in phy scan. |
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103 * 0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single |
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104 * 0.49: 10 Dec 2005: Fix tso for large buffers. |
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105 * 0.50: 20 Jan 2006: Add 8021pq tagging support. |
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106 * 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings. |
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107 * 0.52: 20 Jan 2006: Add MSI/MSIX support. |
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108 * 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset. |
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109 * 0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup. |
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110 * 0.55: 22 Mar 2006: Add flow control (pause frame). |
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111 * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. |
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112 * 0.57: 14 May 2006: Mac address set in probe/remove and order corrections. |
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113 * |
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114 * Known bugs: |
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115 * We suspect that on some hardware no TX done interrupts are generated. |
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116 * This means recovery from netif_stop_queue only happens if the hw timer |
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117 * interrupt fires (100 times/second, configurable with NVREG_POLL_DEFAULT) |
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118 * and the timer is active in the IRQMask, or if a rx packet arrives by chance. |
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119 * If your hardware reliably generates tx done interrupts, then you can remove |
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120 * DEV_NEED_TIMERIRQ from the driver_data flags. |
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121 * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few |
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122 * superfluous timer interrupts from the nic. |
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123 */ |
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124 #ifdef CONFIG_FORCEDETH_NAPI |
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125 #define DRIVERNAPI "-NAPI" |
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126 #else |
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127 #define DRIVERNAPI |
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128 #endif |
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129 #define FORCEDETH_VERSION "0.57" |
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130 #define DRV_NAME "forcedeth" |
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131 |
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132 #include <linux/module.h> |
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133 #include <linux/types.h> |
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134 #include <linux/pci.h> |
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135 #include <linux/interrupt.h> |
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136 #include <linux/netdevice.h> |
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137 #include <linux/etherdevice.h> |
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138 #include <linux/delay.h> |
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139 #include <linux/spinlock.h> |
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140 #include <linux/ethtool.h> |
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141 #include <linux/timer.h> |
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142 #include <linux/skbuff.h> |
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143 #include <linux/mii.h> |
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144 #include <linux/random.h> |
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145 #include <linux/init.h> |
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146 #include <linux/if_vlan.h> |
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147 #include <linux/dma-mapping.h> |
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148 |
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149 #include <asm/irq.h> |
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150 #include <asm/io.h> |
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151 #include <asm/uaccess.h> |
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152 #include <asm/system.h> |
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153 |
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154 #include "../globals.h" |
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155 #include "ecdev.h" |
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156 |
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157 #if 0 |
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158 #define dprintk printk |
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159 #else |
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160 #define dprintk(x...) do { } while (0) |
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161 #endif |
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162 |
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163 |
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164 /* |
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165 * Hardware access: |
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166 */ |
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167 |
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168 #define DEV_NEED_TIMERIRQ 0x0001 /* set the timer irq flag in the irq mask */ |
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169 #define DEV_NEED_LINKTIMER 0x0002 /* poll link settings. Relies on the timer irq */ |
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170 #define DEV_HAS_LARGEDESC 0x0004 /* device supports jumbo frames and needs packet format 2 */ |
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171 #define DEV_HAS_HIGH_DMA 0x0008 /* device supports 64bit dma */ |
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172 #define DEV_HAS_CHECKSUM 0x0010 /* device supports tx and rx checksum offloads */ |
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173 #define DEV_HAS_VLAN 0x0020 /* device supports vlan tagging and striping */ |
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174 #define DEV_HAS_MSI 0x0040 /* device supports MSI */ |
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175 #define DEV_HAS_MSI_X 0x0080 /* device supports MSI-X */ |
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176 #define DEV_HAS_POWER_CNTRL 0x0100 /* device supports power savings */ |
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177 #define DEV_HAS_PAUSEFRAME_TX 0x0200 /* device supports tx pause frames */ |
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178 #define DEV_HAS_STATISTICS 0x0400 /* device supports hw statistics */ |
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179 #define DEV_HAS_TEST_EXTENDED 0x0800 /* device supports extended diagnostic test */ |
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180 |
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181 enum { |
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182 NvRegIrqStatus = 0x000, |
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183 #define NVREG_IRQSTAT_MIIEVENT 0x040 |
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184 #define NVREG_IRQSTAT_MASK 0x1ff |
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185 NvRegIrqMask = 0x004, |
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186 #define NVREG_IRQ_RX_ERROR 0x0001 |
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187 #define NVREG_IRQ_RX 0x0002 |
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188 #define NVREG_IRQ_RX_NOBUF 0x0004 |
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189 #define NVREG_IRQ_TX_ERR 0x0008 |
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190 #define NVREG_IRQ_TX_OK 0x0010 |
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191 #define NVREG_IRQ_TIMER 0x0020 |
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192 #define NVREG_IRQ_LINK 0x0040 |
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193 #define NVREG_IRQ_RX_FORCED 0x0080 |
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194 #define NVREG_IRQ_TX_FORCED 0x0100 |
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195 #define NVREG_IRQMASK_THROUGHPUT 0x00df |
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196 #define NVREG_IRQMASK_CPU 0x0040 |
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197 #define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED) |
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198 #define NVREG_IRQ_RX_ALL (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED) |
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199 #define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK) |
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200 |
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201 #define NVREG_IRQ_UNKNOWN (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR| \ |
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202 NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RX_FORCED| \ |
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203 NVREG_IRQ_TX_FORCED)) |
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204 |
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205 NvRegUnknownSetupReg6 = 0x008, |
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206 #define NVREG_UNKSETUP6_VAL 3 |
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207 |
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208 /* |
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209 * NVREG_POLL_DEFAULT is the interval length of the timer source on the nic |
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210 * NVREG_POLL_DEFAULT=97 would result in an interval length of 1 ms |
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211 */ |
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212 NvRegPollingInterval = 0x00c, |
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213 #define NVREG_POLL_DEFAULT_THROUGHPUT 970 |
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214 #define NVREG_POLL_DEFAULT_CPU 13 |
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215 NvRegMSIMap0 = 0x020, |
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216 NvRegMSIMap1 = 0x024, |
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217 NvRegMSIIrqMask = 0x030, |
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218 #define NVREG_MSI_VECTOR_0_ENABLED 0x01 |
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219 NvRegMisc1 = 0x080, |
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220 #define NVREG_MISC1_PAUSE_TX 0x01 |
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221 #define NVREG_MISC1_HD 0x02 |
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222 #define NVREG_MISC1_FORCE 0x3b0f3c |
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223 |
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224 NvRegMacReset = 0x3c, |
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225 #define NVREG_MAC_RESET_ASSERT 0x0F3 |
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226 NvRegTransmitterControl = 0x084, |
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227 #define NVREG_XMITCTL_START 0x01 |
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228 NvRegTransmitterStatus = 0x088, |
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229 #define NVREG_XMITSTAT_BUSY 0x01 |
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230 |
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231 NvRegPacketFilterFlags = 0x8c, |
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232 #define NVREG_PFF_PAUSE_RX 0x08 |
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233 #define NVREG_PFF_ALWAYS 0x7F0000 |
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234 #define NVREG_PFF_PROMISC 0x80 |
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235 #define NVREG_PFF_MYADDR 0x20 |
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236 #define NVREG_PFF_LOOPBACK 0x10 |
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237 |
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238 NvRegOffloadConfig = 0x90, |
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239 #define NVREG_OFFLOAD_HOMEPHY 0x601 |
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240 #define NVREG_OFFLOAD_NORMAL RX_NIC_BUFSIZE |
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241 NvRegReceiverControl = 0x094, |
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242 #define NVREG_RCVCTL_START 0x01 |
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243 NvRegReceiverStatus = 0x98, |
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244 #define NVREG_RCVSTAT_BUSY 0x01 |
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245 |
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246 NvRegRandomSeed = 0x9c, |
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247 #define NVREG_RNDSEED_MASK 0x00ff |
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248 #define NVREG_RNDSEED_FORCE 0x7f00 |
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249 #define NVREG_RNDSEED_FORCE2 0x2d00 |
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250 #define NVREG_RNDSEED_FORCE3 0x7400 |
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251 |
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252 NvRegTxDeferral = 0xA0, |
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253 #define NVREG_TX_DEFERRAL_DEFAULT 0x15050f |
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254 #define NVREG_TX_DEFERRAL_RGMII_10_100 0x16070f |
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255 #define NVREG_TX_DEFERRAL_RGMII_1000 0x14050f |
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256 NvRegRxDeferral = 0xA4, |
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257 #define NVREG_RX_DEFERRAL_DEFAULT 0x16 |
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258 NvRegMacAddrA = 0xA8, |
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259 NvRegMacAddrB = 0xAC, |
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260 NvRegMulticastAddrA = 0xB0, |
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261 #define NVREG_MCASTADDRA_FORCE 0x01 |
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262 NvRegMulticastAddrB = 0xB4, |
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263 NvRegMulticastMaskA = 0xB8, |
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264 NvRegMulticastMaskB = 0xBC, |
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265 |
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266 NvRegPhyInterface = 0xC0, |
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267 #define PHY_RGMII 0x10000000 |
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268 |
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269 NvRegTxRingPhysAddr = 0x100, |
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270 NvRegRxRingPhysAddr = 0x104, |
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271 NvRegRingSizes = 0x108, |
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272 #define NVREG_RINGSZ_TXSHIFT 0 |
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273 #define NVREG_RINGSZ_RXSHIFT 16 |
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274 NvRegTransmitPoll = 0x10c, |
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275 #define NVREG_TRANSMITPOLL_MAC_ADDR_REV 0x00008000 |
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276 NvRegLinkSpeed = 0x110, |
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277 #define NVREG_LINKSPEED_FORCE 0x10000 |
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278 #define NVREG_LINKSPEED_10 1000 |
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279 #define NVREG_LINKSPEED_100 100 |
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280 #define NVREG_LINKSPEED_1000 50 |
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281 #define NVREG_LINKSPEED_MASK (0xFFF) |
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282 NvRegUnknownSetupReg5 = 0x130, |
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283 #define NVREG_UNKSETUP5_BIT31 (1<<31) |
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284 NvRegTxWatermark = 0x13c, |
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285 #define NVREG_TX_WM_DESC1_DEFAULT 0x0200010 |
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286 #define NVREG_TX_WM_DESC2_3_DEFAULT 0x1e08000 |
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287 #define NVREG_TX_WM_DESC2_3_1000 0xfe08000 |
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288 NvRegTxRxControl = 0x144, |
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289 #define NVREG_TXRXCTL_KICK 0x0001 |
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290 #define NVREG_TXRXCTL_BIT1 0x0002 |
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291 #define NVREG_TXRXCTL_BIT2 0x0004 |
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292 #define NVREG_TXRXCTL_IDLE 0x0008 |
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293 #define NVREG_TXRXCTL_RESET 0x0010 |
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294 #define NVREG_TXRXCTL_RXCHECK 0x0400 |
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295 #define NVREG_TXRXCTL_DESC_1 0 |
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296 #define NVREG_TXRXCTL_DESC_2 0x02100 |
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297 #define NVREG_TXRXCTL_DESC_3 0x02200 |
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298 #define NVREG_TXRXCTL_VLANSTRIP 0x00040 |
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299 #define NVREG_TXRXCTL_VLANINS 0x00080 |
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300 NvRegTxRingPhysAddrHigh = 0x148, |
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301 NvRegRxRingPhysAddrHigh = 0x14C, |
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302 NvRegTxPauseFrame = 0x170, |
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303 #define NVREG_TX_PAUSEFRAME_DISABLE 0x1ff0080 |
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304 #define NVREG_TX_PAUSEFRAME_ENABLE 0x0c00030 |
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305 NvRegMIIStatus = 0x180, |
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306 #define NVREG_MIISTAT_ERROR 0x0001 |
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307 #define NVREG_MIISTAT_LINKCHANGE 0x0008 |
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308 #define NVREG_MIISTAT_MASK 0x000f |
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309 #define NVREG_MIISTAT_MASK2 0x000f |
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310 NvRegUnknownSetupReg4 = 0x184, |
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311 #define NVREG_UNKSETUP4_VAL 8 |
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312 |
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313 NvRegAdapterControl = 0x188, |
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314 #define NVREG_ADAPTCTL_START 0x02 |
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315 #define NVREG_ADAPTCTL_LINKUP 0x04 |
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316 #define NVREG_ADAPTCTL_PHYVALID 0x40000 |
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317 #define NVREG_ADAPTCTL_RUNNING 0x100000 |
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318 #define NVREG_ADAPTCTL_PHYSHIFT 24 |
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319 NvRegMIISpeed = 0x18c, |
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320 #define NVREG_MIISPEED_BIT8 (1<<8) |
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321 #define NVREG_MIIDELAY 5 |
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322 NvRegMIIControl = 0x190, |
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323 #define NVREG_MIICTL_INUSE 0x08000 |
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324 #define NVREG_MIICTL_WRITE 0x00400 |
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325 #define NVREG_MIICTL_ADDRSHIFT 5 |
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326 NvRegMIIData = 0x194, |
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327 NvRegWakeUpFlags = 0x200, |
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328 #define NVREG_WAKEUPFLAGS_VAL 0x7770 |
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329 #define NVREG_WAKEUPFLAGS_BUSYSHIFT 24 |
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330 #define NVREG_WAKEUPFLAGS_ENABLESHIFT 16 |
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331 #define NVREG_WAKEUPFLAGS_D3SHIFT 12 |
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332 #define NVREG_WAKEUPFLAGS_D2SHIFT 8 |
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333 #define NVREG_WAKEUPFLAGS_D1SHIFT 4 |
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334 #define NVREG_WAKEUPFLAGS_D0SHIFT 0 |
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335 #define NVREG_WAKEUPFLAGS_ACCEPT_MAGPAT 0x01 |
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336 #define NVREG_WAKEUPFLAGS_ACCEPT_WAKEUPPAT 0x02 |
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337 #define NVREG_WAKEUPFLAGS_ACCEPT_LINKCHANGE 0x04 |
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338 #define NVREG_WAKEUPFLAGS_ENABLE 0x1111 |
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339 |
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340 NvRegPatternCRC = 0x204, |
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341 NvRegPatternMask = 0x208, |
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342 NvRegPowerCap = 0x268, |
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343 #define NVREG_POWERCAP_D3SUPP (1<<30) |
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344 #define NVREG_POWERCAP_D2SUPP (1<<26) |
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345 #define NVREG_POWERCAP_D1SUPP (1<<25) |
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346 NvRegPowerState = 0x26c, |
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347 #define NVREG_POWERSTATE_POWEREDUP 0x8000 |
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348 #define NVREG_POWERSTATE_VALID 0x0100 |
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349 #define NVREG_POWERSTATE_MASK 0x0003 |
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350 #define NVREG_POWERSTATE_D0 0x0000 |
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351 #define NVREG_POWERSTATE_D1 0x0001 |
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352 #define NVREG_POWERSTATE_D2 0x0002 |
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353 #define NVREG_POWERSTATE_D3 0x0003 |
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354 NvRegTxCnt = 0x280, |
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355 NvRegTxZeroReXmt = 0x284, |
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356 NvRegTxOneReXmt = 0x288, |
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357 NvRegTxManyReXmt = 0x28c, |
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358 NvRegTxLateCol = 0x290, |
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359 NvRegTxUnderflow = 0x294, |
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360 NvRegTxLossCarrier = 0x298, |
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361 NvRegTxExcessDef = 0x29c, |
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362 NvRegTxRetryErr = 0x2a0, |
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363 NvRegRxFrameErr = 0x2a4, |
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364 NvRegRxExtraByte = 0x2a8, |
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365 NvRegRxLateCol = 0x2ac, |
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366 NvRegRxRunt = 0x2b0, |
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367 NvRegRxFrameTooLong = 0x2b4, |
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368 NvRegRxOverflow = 0x2b8, |
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369 NvRegRxFCSErr = 0x2bc, |
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370 NvRegRxFrameAlignErr = 0x2c0, |
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371 NvRegRxLenErr = 0x2c4, |
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372 NvRegRxUnicast = 0x2c8, |
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373 NvRegRxMulticast = 0x2cc, |
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374 NvRegRxBroadcast = 0x2d0, |
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375 NvRegTxDef = 0x2d4, |
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376 NvRegTxFrame = 0x2d8, |
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377 NvRegRxCnt = 0x2dc, |
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378 NvRegTxPause = 0x2e0, |
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379 NvRegRxPause = 0x2e4, |
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380 NvRegRxDropFrame = 0x2e8, |
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381 NvRegVlanControl = 0x300, |
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382 #define NVREG_VLANCONTROL_ENABLE 0x2000 |
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383 NvRegMSIXMap0 = 0x3e0, |
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384 NvRegMSIXMap1 = 0x3e4, |
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385 NvRegMSIXIrqStatus = 0x3f0, |
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386 |
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387 NvRegPowerState2 = 0x600, |
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388 #define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11 |
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389 #define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001 |
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390 }; |
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391 |
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392 /* Big endian: should work, but is untested */ |
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393 struct ring_desc { |
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394 __le32 buf; |
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395 __le32 flaglen; |
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396 }; |
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397 |
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398 struct ring_desc_ex { |
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399 __le32 bufhigh; |
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400 __le32 buflow; |
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401 __le32 txvlan; |
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402 __le32 flaglen; |
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403 }; |
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404 |
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405 union ring_type { |
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406 struct ring_desc* orig; |
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407 struct ring_desc_ex* ex; |
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408 }; |
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409 |
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410 #define FLAG_MASK_V1 0xffff0000 |
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411 #define FLAG_MASK_V2 0xffffc000 |
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412 #define LEN_MASK_V1 (0xffffffff ^ FLAG_MASK_V1) |
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413 #define LEN_MASK_V2 (0xffffffff ^ FLAG_MASK_V2) |
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414 |
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415 #define NV_TX_LASTPACKET (1<<16) |
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416 #define NV_TX_RETRYERROR (1<<19) |
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417 #define NV_TX_FORCED_INTERRUPT (1<<24) |
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418 #define NV_TX_DEFERRED (1<<26) |
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419 #define NV_TX_CARRIERLOST (1<<27) |
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420 #define NV_TX_LATECOLLISION (1<<28) |
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421 #define NV_TX_UNDERFLOW (1<<29) |
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422 #define NV_TX_ERROR (1<<30) |
|
423 #define NV_TX_VALID (1<<31) |
|
424 |
|
425 #define NV_TX2_LASTPACKET (1<<29) |
|
426 #define NV_TX2_RETRYERROR (1<<18) |
|
427 #define NV_TX2_FORCED_INTERRUPT (1<<30) |
|
428 #define NV_TX2_DEFERRED (1<<25) |
|
429 #define NV_TX2_CARRIERLOST (1<<26) |
|
430 #define NV_TX2_LATECOLLISION (1<<27) |
|
431 #define NV_TX2_UNDERFLOW (1<<28) |
|
432 /* error and valid are the same for both */ |
|
433 #define NV_TX2_ERROR (1<<30) |
|
434 #define NV_TX2_VALID (1<<31) |
|
435 #define NV_TX2_TSO (1<<28) |
|
436 #define NV_TX2_TSO_SHIFT 14 |
|
437 #define NV_TX2_TSO_MAX_SHIFT 14 |
|
438 #define NV_TX2_TSO_MAX_SIZE (1<<NV_TX2_TSO_MAX_SHIFT) |
|
439 #define NV_TX2_CHECKSUM_L3 (1<<27) |
|
440 #define NV_TX2_CHECKSUM_L4 (1<<26) |
|
441 |
|
442 #define NV_TX3_VLAN_TAG_PRESENT (1<<18) |
|
443 |
|
444 #define NV_RX_DESCRIPTORVALID (1<<16) |
|
445 #define NV_RX_MISSEDFRAME (1<<17) |
|
446 #define NV_RX_SUBSTRACT1 (1<<18) |
|
447 #define NV_RX_ERROR1 (1<<23) |
|
448 #define NV_RX_ERROR2 (1<<24) |
|
449 #define NV_RX_ERROR3 (1<<25) |
|
450 #define NV_RX_ERROR4 (1<<26) |
|
451 #define NV_RX_CRCERR (1<<27) |
|
452 #define NV_RX_OVERFLOW (1<<28) |
|
453 #define NV_RX_FRAMINGERR (1<<29) |
|
454 #define NV_RX_ERROR (1<<30) |
|
455 #define NV_RX_AVAIL (1<<31) |
|
456 |
|
457 #define NV_RX2_CHECKSUMMASK (0x1C000000) |
|
458 #define NV_RX2_CHECKSUMOK1 (0x10000000) |
|
459 #define NV_RX2_CHECKSUMOK2 (0x14000000) |
|
460 #define NV_RX2_CHECKSUMOK3 (0x18000000) |
|
461 #define NV_RX2_DESCRIPTORVALID (1<<29) |
|
462 #define NV_RX2_SUBSTRACT1 (1<<25) |
|
463 #define NV_RX2_ERROR1 (1<<18) |
|
464 #define NV_RX2_ERROR2 (1<<19) |
|
465 #define NV_RX2_ERROR3 (1<<20) |
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466 #define NV_RX2_ERROR4 (1<<21) |
|
467 #define NV_RX2_CRCERR (1<<22) |
|
468 #define NV_RX2_OVERFLOW (1<<23) |
|
469 #define NV_RX2_FRAMINGERR (1<<24) |
|
470 /* error and avail are the same for both */ |
|
471 #define NV_RX2_ERROR (1<<30) |
|
472 #define NV_RX2_AVAIL (1<<31) |
|
473 |
|
474 #define NV_RX3_VLAN_TAG_PRESENT (1<<16) |
|
475 #define NV_RX3_VLAN_TAG_MASK (0x0000FFFF) |
|
476 |
|
477 /* Miscelaneous hardware related defines: */ |
|
478 #define NV_PCI_REGSZ_VER1 0x270 |
|
479 #define NV_PCI_REGSZ_VER2 0x604 |
|
480 |
|
481 /* various timeout delays: all in usec */ |
|
482 #define NV_TXRX_RESET_DELAY 4 |
|
483 #define NV_TXSTOP_DELAY1 10 |
|
484 #define NV_TXSTOP_DELAY1MAX 500000 |
|
485 #define NV_TXSTOP_DELAY2 100 |
|
486 #define NV_RXSTOP_DELAY1 10 |
|
487 #define NV_RXSTOP_DELAY1MAX 500000 |
|
488 #define NV_RXSTOP_DELAY2 100 |
|
489 #define NV_SETUP5_DELAY 5 |
|
490 #define NV_SETUP5_DELAYMAX 50000 |
|
491 #define NV_POWERUP_DELAY 5 |
|
492 #define NV_POWERUP_DELAYMAX 5000 |
|
493 #define NV_MIIBUSY_DELAY 50 |
|
494 #define NV_MIIPHY_DELAY 10 |
|
495 #define NV_MIIPHY_DELAYMAX 10000 |
|
496 #define NV_MAC_RESET_DELAY 64 |
|
497 |
|
498 #define NV_WAKEUPPATTERNS 5 |
|
499 #define NV_WAKEUPMASKENTRIES 4 |
|
500 |
|
501 /* General driver defaults */ |
|
502 #define NV_WATCHDOG_TIMEO (5*HZ) |
|
503 |
|
504 #define RX_RING_DEFAULT 128 |
|
505 #define TX_RING_DEFAULT 256 |
|
506 #define RX_RING_MIN 128 |
|
507 #define TX_RING_MIN 64 |
|
508 #define RING_MAX_DESC_VER_1 1024 |
|
509 #define RING_MAX_DESC_VER_2_3 16384 |
|
510 /* |
|
511 * Difference between the get and put pointers for the tx ring. |
|
512 * This is used to throttle the amount of data outstanding in the |
|
513 * tx ring. |
|
514 */ |
|
515 #define TX_LIMIT_DIFFERENCE 1 |
|
516 |
|
517 /* rx/tx mac addr + type + vlan + align + slack*/ |
|
518 #define NV_RX_HEADERS (64) |
|
519 /* even more slack. */ |
|
520 #define NV_RX_ALLOC_PAD (64) |
|
521 |
|
522 /* maximum mtu size */ |
|
523 #define NV_PKTLIMIT_1 ETH_DATA_LEN /* hard limit not known */ |
|
524 #define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia: 9202 */ |
|
525 |
|
526 #define OOM_REFILL (1+HZ/20) |
|
527 #define POLL_WAIT (1+HZ/100) |
|
528 #define LINK_TIMEOUT (3*HZ) |
|
529 #define STATS_INTERVAL (10*HZ) |
|
530 |
|
531 /* |
|
532 * desc_ver values: |
|
533 * The nic supports three different descriptor types: |
|
534 * - DESC_VER_1: Original |
|
535 * - DESC_VER_2: support for jumbo frames. |
|
536 * - DESC_VER_3: 64-bit format. |
|
537 */ |
|
538 #define DESC_VER_1 1 |
|
539 #define DESC_VER_2 2 |
|
540 #define DESC_VER_3 3 |
|
541 |
|
542 /* PHY defines */ |
|
543 #define PHY_OUI_MARVELL 0x5043 |
|
544 #define PHY_OUI_CICADA 0x03f1 |
|
545 #define PHYID1_OUI_MASK 0x03ff |
|
546 #define PHYID1_OUI_SHFT 6 |
|
547 #define PHYID2_OUI_MASK 0xfc00 |
|
548 #define PHYID2_OUI_SHFT 10 |
|
549 #define PHYID2_MODEL_MASK 0x03f0 |
|
550 #define PHY_MODEL_MARVELL_E3016 0x220 |
|
551 #define PHY_MARVELL_E3016_INITMASK 0x0300 |
|
552 #define PHY_INIT1 0x0f000 |
|
553 #define PHY_INIT2 0x0e00 |
|
554 #define PHY_INIT3 0x01000 |
|
555 #define PHY_INIT4 0x0200 |
|
556 #define PHY_INIT5 0x0004 |
|
557 #define PHY_INIT6 0x02000 |
|
558 #define PHY_GIGABIT 0x0100 |
|
559 |
|
560 #define PHY_TIMEOUT 0x1 |
|
561 #define PHY_ERROR 0x2 |
|
562 |
|
563 #define PHY_100 0x1 |
|
564 #define PHY_1000 0x2 |
|
565 #define PHY_HALF 0x100 |
|
566 |
|
567 #define NV_PAUSEFRAME_RX_CAPABLE 0x0001 |
|
568 #define NV_PAUSEFRAME_TX_CAPABLE 0x0002 |
|
569 #define NV_PAUSEFRAME_RX_ENABLE 0x0004 |
|
570 #define NV_PAUSEFRAME_TX_ENABLE 0x0008 |
|
571 #define NV_PAUSEFRAME_RX_REQ 0x0010 |
|
572 #define NV_PAUSEFRAME_TX_REQ 0x0020 |
|
573 #define NV_PAUSEFRAME_AUTONEG 0x0040 |
|
574 |
|
575 /* MSI/MSI-X defines */ |
|
576 #define NV_MSI_X_MAX_VECTORS 8 |
|
577 #define NV_MSI_X_VECTORS_MASK 0x000f |
|
578 #define NV_MSI_CAPABLE 0x0010 |
|
579 #define NV_MSI_X_CAPABLE 0x0020 |
|
580 #define NV_MSI_ENABLED 0x0040 |
|
581 #define NV_MSI_X_ENABLED 0x0080 |
|
582 |
|
583 #define NV_MSI_X_VECTOR_ALL 0x0 |
|
584 #define NV_MSI_X_VECTOR_RX 0x0 |
|
585 #define NV_MSI_X_VECTOR_TX 0x1 |
|
586 #define NV_MSI_X_VECTOR_OTHER 0x2 |
|
587 |
|
588 /* statistics */ |
|
589 struct nv_ethtool_str { |
|
590 char name[ETH_GSTRING_LEN]; |
|
591 }; |
|
592 |
|
593 static const struct nv_ethtool_str nv_estats_str[] = { |
|
594 { "tx_bytes" }, |
|
595 { "tx_zero_rexmt" }, |
|
596 { "tx_one_rexmt" }, |
|
597 { "tx_many_rexmt" }, |
|
598 { "tx_late_collision" }, |
|
599 { "tx_fifo_errors" }, |
|
600 { "tx_carrier_errors" }, |
|
601 { "tx_excess_deferral" }, |
|
602 { "tx_retry_error" }, |
|
603 { "tx_deferral" }, |
|
604 { "tx_packets" }, |
|
605 { "tx_pause" }, |
|
606 { "rx_frame_error" }, |
|
607 { "rx_extra_byte" }, |
|
608 { "rx_late_collision" }, |
|
609 { "rx_runt" }, |
|
610 { "rx_frame_too_long" }, |
|
611 { "rx_over_errors" }, |
|
612 { "rx_crc_errors" }, |
|
613 { "rx_frame_align_error" }, |
|
614 { "rx_length_error" }, |
|
615 { "rx_unicast" }, |
|
616 { "rx_multicast" }, |
|
617 { "rx_broadcast" }, |
|
618 { "rx_bytes" }, |
|
619 { "rx_pause" }, |
|
620 { "rx_drop_frame" }, |
|
621 { "rx_packets" }, |
|
622 { "rx_errors_total" } |
|
623 }; |
|
624 |
|
625 struct nv_ethtool_stats { |
|
626 u64 tx_bytes; |
|
627 u64 tx_zero_rexmt; |
|
628 u64 tx_one_rexmt; |
|
629 u64 tx_many_rexmt; |
|
630 u64 tx_late_collision; |
|
631 u64 tx_fifo_errors; |
|
632 u64 tx_carrier_errors; |
|
633 u64 tx_excess_deferral; |
|
634 u64 tx_retry_error; |
|
635 u64 tx_deferral; |
|
636 u64 tx_packets; |
|
637 u64 tx_pause; |
|
638 u64 rx_frame_error; |
|
639 u64 rx_extra_byte; |
|
640 u64 rx_late_collision; |
|
641 u64 rx_runt; |
|
642 u64 rx_frame_too_long; |
|
643 u64 rx_over_errors; |
|
644 u64 rx_crc_errors; |
|
645 u64 rx_frame_align_error; |
|
646 u64 rx_length_error; |
|
647 u64 rx_unicast; |
|
648 u64 rx_multicast; |
|
649 u64 rx_broadcast; |
|
650 u64 rx_bytes; |
|
651 u64 rx_pause; |
|
652 u64 rx_drop_frame; |
|
653 u64 rx_packets; |
|
654 u64 rx_errors_total; |
|
655 }; |
|
656 |
|
657 /* diagnostics */ |
|
658 #define NV_TEST_COUNT_BASE 3 |
|
659 #define NV_TEST_COUNT_EXTENDED 4 |
|
660 |
|
661 static const struct nv_ethtool_str nv_etests_str[] = { |
|
662 { "link (online/offline)" }, |
|
663 { "register (offline) " }, |
|
664 { "interrupt (offline) " }, |
|
665 { "loopback (offline) " } |
|
666 }; |
|
667 |
|
668 struct register_test { |
|
669 __le32 reg; |
|
670 __le32 mask; |
|
671 }; |
|
672 |
|
673 static const struct register_test nv_registers_test[] = { |
|
674 { NvRegUnknownSetupReg6, 0x01 }, |
|
675 { NvRegMisc1, 0x03c }, |
|
676 { NvRegOffloadConfig, 0x03ff }, |
|
677 { NvRegMulticastAddrA, 0xffffffff }, |
|
678 { NvRegTxWatermark, 0x0ff }, |
|
679 { NvRegWakeUpFlags, 0x07777 }, |
|
680 { 0,0 } |
|
681 }; |
|
682 |
|
683 /* |
|
684 * SMP locking: |
|
685 * All hardware access under dev->priv->lock, except the performance |
|
686 * critical parts: |
|
687 * - rx is (pseudo-) lockless: it relies on the single-threading provided |
|
688 * by the arch code for interrupts. |
|
689 * - tx setup is lockless: it relies on netif_tx_lock. Actual submission |
|
690 * needs dev->priv->lock :-( |
|
691 * - set_multicast_list: preparation lockless, relies on netif_tx_lock. |
|
692 */ |
|
693 |
|
694 /* in dev: base, irq */ |
|
695 struct fe_priv { |
|
696 spinlock_t lock; |
|
697 |
|
698 /* General data: |
|
699 * Locking: spin_lock(&np->lock); */ |
|
700 struct net_device_stats stats; |
|
701 struct nv_ethtool_stats estats; |
|
702 int in_shutdown; |
|
703 u32 linkspeed; |
|
704 int duplex; |
|
705 int autoneg; |
|
706 int fixed_mode; |
|
707 int phyaddr; |
|
708 int wolenabled; |
|
709 unsigned int phy_oui; |
|
710 unsigned int phy_model; |
|
711 u16 gigabit; |
|
712 int intr_test; |
|
713 |
|
714 /* General data: RO fields */ |
|
715 dma_addr_t ring_addr; |
|
716 struct pci_dev *pci_dev; |
|
717 u32 orig_mac[2]; |
|
718 u32 irqmask; |
|
719 u32 desc_ver; |
|
720 u32 txrxctl_bits; |
|
721 u32 vlanctl_bits; |
|
722 u32 driver_data; |
|
723 u32 register_size; |
|
724 int rx_csum; |
|
725 |
|
726 void __iomem *base; |
|
727 |
|
728 /* rx specific fields. |
|
729 * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); |
|
730 */ |
|
731 union ring_type rx_ring; |
|
732 unsigned int cur_rx, refill_rx; |
|
733 struct sk_buff **rx_skbuff; |
|
734 dma_addr_t *rx_dma; |
|
735 unsigned int rx_buf_sz; |
|
736 unsigned int pkt_limit; |
|
737 struct timer_list oom_kick; |
|
738 struct timer_list nic_poll; |
|
739 struct timer_list stats_poll; |
|
740 u32 nic_poll_irq; |
|
741 int rx_ring_size; |
|
742 |
|
743 /* media detection workaround. |
|
744 * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); |
|
745 */ |
|
746 int need_linktimer; |
|
747 unsigned long link_timeout; |
|
748 /* |
|
749 * tx specific fields. |
|
750 */ |
|
751 union ring_type tx_ring; |
|
752 unsigned int next_tx, nic_tx; |
|
753 struct sk_buff **tx_skbuff; |
|
754 dma_addr_t *tx_dma; |
|
755 unsigned int *tx_dma_len; |
|
756 u32 tx_flags; |
|
757 int tx_ring_size; |
|
758 int tx_limit_start; |
|
759 int tx_limit_stop; |
|
760 |
|
761 /* vlan fields */ |
|
762 struct vlan_group *vlangrp; |
|
763 |
|
764 /* msi/msi-x fields */ |
|
765 u32 msi_flags; |
|
766 struct msix_entry msi_x_entry[NV_MSI_X_MAX_VECTORS]; |
|
767 |
|
768 /* flow control */ |
|
769 u32 pause_flags; |
|
770 |
|
771 ec_device_t *ecdev; |
|
772 }; |
|
773 |
|
774 /* |
|
775 * Maximum number of loops until we assume that a bit in the irq mask |
|
776 * is stuck. Overridable with module param. |
|
777 */ |
|
778 static int max_interrupt_work = 5; |
|
779 |
|
780 /* |
|
781 * Optimization can be either throuput mode or cpu mode |
|
782 * |
|
783 * Throughput Mode: Every tx and rx packet will generate an interrupt. |
|
784 * CPU Mode: Interrupts are controlled by a timer. |
|
785 */ |
|
786 enum { |
|
787 NV_OPTIMIZATION_MODE_THROUGHPUT, |
|
788 NV_OPTIMIZATION_MODE_CPU |
|
789 }; |
|
790 static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; |
|
791 |
|
792 /* |
|
793 * Poll interval for timer irq |
|
794 * |
|
795 * This interval determines how frequent an interrupt is generated. |
|
796 * The is value is determined by [(time_in_micro_secs * 100) / (2^10)] |
|
797 * Min = 0, and Max = 65535 |
|
798 */ |
|
799 static int poll_interval = -1; |
|
800 |
|
801 /* |
|
802 * MSI interrupts |
|
803 */ |
|
804 enum { |
|
805 NV_MSI_INT_DISABLED, |
|
806 NV_MSI_INT_ENABLED |
|
807 }; |
|
808 static int msi = NV_MSI_INT_ENABLED; |
|
809 |
|
810 /* |
|
811 * MSIX interrupts |
|
812 */ |
|
813 enum { |
|
814 NV_MSIX_INT_DISABLED, |
|
815 NV_MSIX_INT_ENABLED |
|
816 }; |
|
817 static int msix = NV_MSIX_INT_ENABLED; |
|
818 |
|
819 /* |
|
820 * DMA 64bit |
|
821 */ |
|
822 enum { |
|
823 NV_DMA_64BIT_DISABLED, |
|
824 NV_DMA_64BIT_ENABLED |
|
825 }; |
|
826 static int dma_64bit = NV_DMA_64BIT_ENABLED; |
|
827 |
|
828 static int board_idx = -1; |
|
829 |
|
830 static inline struct fe_priv *get_nvpriv(struct net_device *dev) |
|
831 { |
|
832 return netdev_priv(dev); |
|
833 } |
|
834 |
|
835 static inline u8 __iomem *get_hwbase(struct net_device *dev) |
|
836 { |
|
837 return ((struct fe_priv *)netdev_priv(dev))->base; |
|
838 } |
|
839 |
|
840 static inline void pci_push(u8 __iomem *base) |
|
841 { |
|
842 /* force out pending posted writes */ |
|
843 readl(base); |
|
844 } |
|
845 |
|
846 static inline u32 nv_descr_getlength(struct ring_desc *prd, u32 v) |
|
847 { |
|
848 return le32_to_cpu(prd->flaglen) |
|
849 & ((v == DESC_VER_1) ? LEN_MASK_V1 : LEN_MASK_V2); |
|
850 } |
|
851 |
|
852 static inline u32 nv_descr_getlength_ex(struct ring_desc_ex *prd, u32 v) |
|
853 { |
|
854 return le32_to_cpu(prd->flaglen) & LEN_MASK_V2; |
|
855 } |
|
856 |
|
857 static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target, |
|
858 int delay, int delaymax, const char *msg) |
|
859 { |
|
860 u8 __iomem *base = get_hwbase(dev); |
|
861 |
|
862 pci_push(base); |
|
863 do { |
|
864 udelay(delay); |
|
865 delaymax -= delay; |
|
866 if (delaymax < 0) { |
|
867 if (msg) |
|
868 printk(msg); |
|
869 return 1; |
|
870 } |
|
871 } while ((readl(base + offset) & mask) != target); |
|
872 return 0; |
|
873 } |
|
874 |
|
875 #define NV_SETUP_RX_RING 0x01 |
|
876 #define NV_SETUP_TX_RING 0x02 |
|
877 |
|
878 static void setup_hw_rings(struct net_device *dev, int rxtx_flags) |
|
879 { |
|
880 struct fe_priv *np = get_nvpriv(dev); |
|
881 u8 __iomem *base = get_hwbase(dev); |
|
882 |
|
883 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
884 if (rxtx_flags & NV_SETUP_RX_RING) { |
|
885 writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); |
|
886 } |
|
887 if (rxtx_flags & NV_SETUP_TX_RING) { |
|
888 writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr); |
|
889 } |
|
890 } else { |
|
891 if (rxtx_flags & NV_SETUP_RX_RING) { |
|
892 writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); |
|
893 writel((u32) (cpu_to_le64(np->ring_addr) >> 32), base + NvRegRxRingPhysAddrHigh); |
|
894 } |
|
895 if (rxtx_flags & NV_SETUP_TX_RING) { |
|
896 writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr); |
|
897 writel((u32) (cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh); |
|
898 } |
|
899 } |
|
900 } |
|
901 |
|
902 static void free_rings(struct net_device *dev) |
|
903 { |
|
904 struct fe_priv *np = get_nvpriv(dev); |
|
905 |
|
906 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
907 if (np->rx_ring.orig) |
|
908 pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
|
909 np->rx_ring.orig, np->ring_addr); |
|
910 } else { |
|
911 if (np->rx_ring.ex) |
|
912 pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), |
|
913 np->rx_ring.ex, np->ring_addr); |
|
914 } |
|
915 if (np->rx_skbuff) |
|
916 kfree(np->rx_skbuff); |
|
917 if (np->rx_dma) |
|
918 kfree(np->rx_dma); |
|
919 if (np->tx_skbuff) |
|
920 kfree(np->tx_skbuff); |
|
921 if (np->tx_dma) |
|
922 kfree(np->tx_dma); |
|
923 if (np->tx_dma_len) |
|
924 kfree(np->tx_dma_len); |
|
925 } |
|
926 |
|
927 static int using_multi_irqs(struct net_device *dev) |
|
928 { |
|
929 struct fe_priv *np = get_nvpriv(dev); |
|
930 |
|
931 if (!(np->msi_flags & NV_MSI_X_ENABLED) || |
|
932 ((np->msi_flags & NV_MSI_X_ENABLED) && |
|
933 ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) |
|
934 return 0; |
|
935 else |
|
936 return 1; |
|
937 } |
|
938 |
|
939 static void nv_enable_irq(struct net_device *dev) |
|
940 { |
|
941 struct fe_priv *np = get_nvpriv(dev); |
|
942 |
|
943 if (!using_multi_irqs(dev)) { |
|
944 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
945 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
|
946 else |
|
947 enable_irq(dev->irq); |
|
948 } else { |
|
949 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
|
950 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
|
951 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
|
952 } |
|
953 } |
|
954 |
|
955 static void nv_disable_irq(struct net_device *dev) |
|
956 { |
|
957 struct fe_priv *np = get_nvpriv(dev); |
|
958 |
|
959 if (!using_multi_irqs(dev)) { |
|
960 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
961 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
|
962 else |
|
963 disable_irq(dev->irq); |
|
964 } else { |
|
965 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
|
966 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
|
967 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
|
968 } |
|
969 } |
|
970 |
|
971 /* In MSIX mode, a write to irqmask behaves as XOR */ |
|
972 static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask) |
|
973 { |
|
974 u8 __iomem *base = get_hwbase(dev); |
|
975 |
|
976 writel(mask, base + NvRegIrqMask); |
|
977 } |
|
978 |
|
979 static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask) |
|
980 { |
|
981 struct fe_priv *np = get_nvpriv(dev); |
|
982 u8 __iomem *base = get_hwbase(dev); |
|
983 |
|
984 if (np->msi_flags & NV_MSI_X_ENABLED) { |
|
985 writel(mask, base + NvRegIrqMask); |
|
986 } else { |
|
987 if (np->msi_flags & NV_MSI_ENABLED) |
|
988 writel(0, base + NvRegMSIIrqMask); |
|
989 writel(0, base + NvRegIrqMask); |
|
990 } |
|
991 } |
|
992 |
|
993 #define MII_READ (-1) |
|
994 /* mii_rw: read/write a register on the PHY. |
|
995 * |
|
996 * Caller must guarantee serialization |
|
997 */ |
|
998 static int mii_rw(struct net_device *dev, int addr, int miireg, int value) |
|
999 { |
|
1000 u8 __iomem *base = get_hwbase(dev); |
|
1001 u32 reg; |
|
1002 int retval; |
|
1003 |
|
1004 writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); |
|
1005 |
|
1006 reg = readl(base + NvRegMIIControl); |
|
1007 if (reg & NVREG_MIICTL_INUSE) { |
|
1008 writel(NVREG_MIICTL_INUSE, base + NvRegMIIControl); |
|
1009 udelay(NV_MIIBUSY_DELAY); |
|
1010 } |
|
1011 |
|
1012 reg = (addr << NVREG_MIICTL_ADDRSHIFT) | miireg; |
|
1013 if (value != MII_READ) { |
|
1014 writel(value, base + NvRegMIIData); |
|
1015 reg |= NVREG_MIICTL_WRITE; |
|
1016 } |
|
1017 writel(reg, base + NvRegMIIControl); |
|
1018 |
|
1019 if (reg_delay(dev, NvRegMIIControl, NVREG_MIICTL_INUSE, 0, |
|
1020 NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, NULL)) { |
|
1021 dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d timed out.\n", |
|
1022 dev->name, miireg, addr); |
|
1023 retval = -1; |
|
1024 } else if (value != MII_READ) { |
|
1025 /* it was a write operation - fewer failures are detectable */ |
|
1026 dprintk(KERN_DEBUG "%s: mii_rw wrote 0x%x to reg %d at PHY %d\n", |
|
1027 dev->name, value, miireg, addr); |
|
1028 retval = 0; |
|
1029 } else if (readl(base + NvRegMIIStatus) & NVREG_MIISTAT_ERROR) { |
|
1030 dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d failed.\n", |
|
1031 dev->name, miireg, addr); |
|
1032 retval = -1; |
|
1033 } else { |
|
1034 retval = readl(base + NvRegMIIData); |
|
1035 dprintk(KERN_DEBUG "%s: mii_rw read from reg %d at PHY %d: 0x%x.\n", |
|
1036 dev->name, miireg, addr, retval); |
|
1037 } |
|
1038 |
|
1039 return retval; |
|
1040 } |
|
1041 |
|
1042 static int phy_reset(struct net_device *dev, u32 bmcr_setup) |
|
1043 { |
|
1044 struct fe_priv *np = netdev_priv(dev); |
|
1045 u32 miicontrol; |
|
1046 unsigned int tries = 0; |
|
1047 |
|
1048 miicontrol = BMCR_RESET | bmcr_setup; |
|
1049 if (mii_rw(dev, np->phyaddr, MII_BMCR, miicontrol)) { |
|
1050 return -1; |
|
1051 } |
|
1052 |
|
1053 /* wait for 500ms */ |
|
1054 msleep(500); |
|
1055 |
|
1056 /* must wait till reset is deasserted */ |
|
1057 while (miicontrol & BMCR_RESET) { |
|
1058 msleep(10); |
|
1059 miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
1060 /* FIXME: 100 tries seem excessive */ |
|
1061 if (tries++ > 100) |
|
1062 return -1; |
|
1063 } |
|
1064 return 0; |
|
1065 } |
|
1066 |
|
1067 static int phy_init(struct net_device *dev) |
|
1068 { |
|
1069 struct fe_priv *np = get_nvpriv(dev); |
|
1070 u8 __iomem *base = get_hwbase(dev); |
|
1071 u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000,reg; |
|
1072 |
|
1073 /* phy errata for E3016 phy */ |
|
1074 if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
|
1075 reg = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); |
|
1076 reg &= ~PHY_MARVELL_E3016_INITMASK; |
|
1077 if (mii_rw(dev, np->phyaddr, MII_NCONFIG, reg)) { |
|
1078 printk(KERN_INFO "%s: phy write to errata reg failed.\n", pci_name(np->pci_dev)); |
|
1079 return PHY_ERROR; |
|
1080 } |
|
1081 } |
|
1082 |
|
1083 /* set advertise register */ |
|
1084 reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
|
1085 reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP); |
|
1086 if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) { |
|
1087 printk(KERN_INFO "%s: phy write to advertise failed.\n", pci_name(np->pci_dev)); |
|
1088 return PHY_ERROR; |
|
1089 } |
|
1090 |
|
1091 /* get phy interface type */ |
|
1092 phyinterface = readl(base + NvRegPhyInterface); |
|
1093 |
|
1094 /* see if gigabit phy */ |
|
1095 mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
|
1096 if (mii_status & PHY_GIGABIT) { |
|
1097 np->gigabit = PHY_GIGABIT; |
|
1098 mii_control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
|
1099 mii_control_1000 &= ~ADVERTISE_1000HALF; |
|
1100 if (phyinterface & PHY_RGMII) |
|
1101 mii_control_1000 |= ADVERTISE_1000FULL; |
|
1102 else |
|
1103 mii_control_1000 &= ~ADVERTISE_1000FULL; |
|
1104 |
|
1105 if (mii_rw(dev, np->phyaddr, MII_CTRL1000, mii_control_1000)) { |
|
1106 printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
|
1107 return PHY_ERROR; |
|
1108 } |
|
1109 } |
|
1110 else |
|
1111 np->gigabit = 0; |
|
1112 |
|
1113 mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
1114 mii_control |= BMCR_ANENABLE; |
|
1115 |
|
1116 /* reset the phy |
|
1117 * (certain phys need bmcr to be setup with reset) |
|
1118 */ |
|
1119 if (phy_reset(dev, mii_control)) { |
|
1120 printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev)); |
|
1121 return PHY_ERROR; |
|
1122 } |
|
1123 |
|
1124 /* phy vendor specific configuration */ |
|
1125 if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII) ) { |
|
1126 phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ); |
|
1127 phy_reserved &= ~(PHY_INIT1 | PHY_INIT2); |
|
1128 phy_reserved |= (PHY_INIT3 | PHY_INIT4); |
|
1129 if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) { |
|
1130 printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
|
1131 return PHY_ERROR; |
|
1132 } |
|
1133 phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); |
|
1134 phy_reserved |= PHY_INIT5; |
|
1135 if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) { |
|
1136 printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
|
1137 return PHY_ERROR; |
|
1138 } |
|
1139 } |
|
1140 if (np->phy_oui == PHY_OUI_CICADA) { |
|
1141 phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ); |
|
1142 phy_reserved |= PHY_INIT6; |
|
1143 if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) { |
|
1144 printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
|
1145 return PHY_ERROR; |
|
1146 } |
|
1147 } |
|
1148 /* some phys clear out pause advertisment on reset, set it back */ |
|
1149 mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg); |
|
1150 |
|
1151 /* restart auto negotiation */ |
|
1152 mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
1153 mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); |
|
1154 if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) { |
|
1155 return PHY_ERROR; |
|
1156 } |
|
1157 |
|
1158 return 0; |
|
1159 } |
|
1160 |
|
1161 static void nv_start_rx(struct net_device *dev) |
|
1162 { |
|
1163 struct fe_priv *np = netdev_priv(dev); |
|
1164 u8 __iomem *base = get_hwbase(dev); |
|
1165 |
|
1166 dprintk(KERN_DEBUG "%s: nv_start_rx\n", dev->name); |
|
1167 /* Already running? Stop it. */ |
|
1168 if (readl(base + NvRegReceiverControl) & NVREG_RCVCTL_START) { |
|
1169 writel(0, base + NvRegReceiverControl); |
|
1170 pci_push(base); |
|
1171 } |
|
1172 writel(np->linkspeed, base + NvRegLinkSpeed); |
|
1173 pci_push(base); |
|
1174 writel(NVREG_RCVCTL_START, base + NvRegReceiverControl); |
|
1175 dprintk(KERN_DEBUG "%s: nv_start_rx to duplex %d, speed 0x%08x.\n", |
|
1176 dev->name, np->duplex, np->linkspeed); |
|
1177 pci_push(base); |
|
1178 } |
|
1179 |
|
1180 static void nv_stop_rx(struct net_device *dev) |
|
1181 { |
|
1182 u8 __iomem *base = get_hwbase(dev); |
|
1183 |
|
1184 dprintk(KERN_DEBUG "%s: nv_stop_rx\n", dev->name); |
|
1185 writel(0, base + NvRegReceiverControl); |
|
1186 reg_delay(dev, NvRegReceiverStatus, NVREG_RCVSTAT_BUSY, 0, |
|
1187 NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, |
|
1188 KERN_INFO "nv_stop_rx: ReceiverStatus remained busy"); |
|
1189 |
|
1190 udelay(NV_RXSTOP_DELAY2); |
|
1191 writel(0, base + NvRegLinkSpeed); |
|
1192 } |
|
1193 |
|
1194 static void nv_start_tx(struct net_device *dev) |
|
1195 { |
|
1196 u8 __iomem *base = get_hwbase(dev); |
|
1197 |
|
1198 dprintk(KERN_DEBUG "%s: nv_start_tx\n", dev->name); |
|
1199 writel(NVREG_XMITCTL_START, base + NvRegTransmitterControl); |
|
1200 pci_push(base); |
|
1201 } |
|
1202 |
|
1203 static void nv_stop_tx(struct net_device *dev) |
|
1204 { |
|
1205 u8 __iomem *base = get_hwbase(dev); |
|
1206 |
|
1207 dprintk(KERN_DEBUG "%s: nv_stop_tx\n", dev->name); |
|
1208 writel(0, base + NvRegTransmitterControl); |
|
1209 reg_delay(dev, NvRegTransmitterStatus, NVREG_XMITSTAT_BUSY, 0, |
|
1210 NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX, |
|
1211 KERN_INFO "nv_stop_tx: TransmitterStatus remained busy"); |
|
1212 |
|
1213 udelay(NV_TXSTOP_DELAY2); |
|
1214 writel(readl(base + NvRegTransmitPoll) & NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); |
|
1215 } |
|
1216 |
|
1217 static void nv_txrx_reset(struct net_device *dev) |
|
1218 { |
|
1219 struct fe_priv *np = netdev_priv(dev); |
|
1220 u8 __iomem *base = get_hwbase(dev); |
|
1221 |
|
1222 dprintk(KERN_DEBUG "%s: nv_txrx_reset\n", dev->name); |
|
1223 writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
|
1224 pci_push(base); |
|
1225 udelay(NV_TXRX_RESET_DELAY); |
|
1226 writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
|
1227 pci_push(base); |
|
1228 } |
|
1229 |
|
1230 static void nv_mac_reset(struct net_device *dev) |
|
1231 { |
|
1232 struct fe_priv *np = netdev_priv(dev); |
|
1233 u8 __iomem *base = get_hwbase(dev); |
|
1234 |
|
1235 dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name); |
|
1236 writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
|
1237 pci_push(base); |
|
1238 writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset); |
|
1239 pci_push(base); |
|
1240 udelay(NV_MAC_RESET_DELAY); |
|
1241 writel(0, base + NvRegMacReset); |
|
1242 pci_push(base); |
|
1243 udelay(NV_MAC_RESET_DELAY); |
|
1244 writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
|
1245 pci_push(base); |
|
1246 } |
|
1247 |
|
1248 /* |
|
1249 * nv_get_stats: dev->get_stats function |
|
1250 * Get latest stats value from the nic. |
|
1251 * Called with read_lock(&dev_base_lock) held for read - |
|
1252 * only synchronized against unregister_netdevice. |
|
1253 */ |
|
1254 static struct net_device_stats *nv_get_stats(struct net_device *dev) |
|
1255 { |
|
1256 struct fe_priv *np = netdev_priv(dev); |
|
1257 |
|
1258 /* It seems that the nic always generates interrupts and doesn't |
|
1259 * accumulate errors internally. Thus the current values in np->stats |
|
1260 * are already up to date. |
|
1261 */ |
|
1262 return &np->stats; |
|
1263 } |
|
1264 |
|
1265 /* |
|
1266 * nv_alloc_rx: fill rx ring entries. |
|
1267 * Return 1 if the allocations for the skbs failed and the |
|
1268 * rx engine is without Available descriptors |
|
1269 */ |
|
1270 static int nv_alloc_rx(struct net_device *dev) |
|
1271 { |
|
1272 struct fe_priv *np = netdev_priv(dev); |
|
1273 unsigned int refill_rx = np->refill_rx; |
|
1274 int nr; |
|
1275 |
|
1276 while (np->cur_rx != refill_rx) { |
|
1277 struct sk_buff *skb; |
|
1278 |
|
1279 nr = refill_rx % np->rx_ring_size; |
|
1280 if (np->rx_skbuff[nr] == NULL) { |
|
1281 |
|
1282 skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); |
|
1283 if (!skb) |
|
1284 break; |
|
1285 |
|
1286 skb->dev = dev; |
|
1287 np->rx_skbuff[nr] = skb; |
|
1288 } else { |
|
1289 skb = np->rx_skbuff[nr]; |
|
1290 } |
|
1291 np->rx_dma[nr] = pci_map_single(np->pci_dev, skb->data, |
|
1292 skb->end-skb->data, PCI_DMA_FROMDEVICE); |
|
1293 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1294 np->rx_ring.orig[nr].buf = cpu_to_le32(np->rx_dma[nr]); |
|
1295 wmb(); |
|
1296 np->rx_ring.orig[nr].flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX_AVAIL); |
|
1297 } else { |
|
1298 np->rx_ring.ex[nr].bufhigh = cpu_to_le64(np->rx_dma[nr]) >> 32; |
|
1299 np->rx_ring.ex[nr].buflow = cpu_to_le64(np->rx_dma[nr]) & 0x0FFFFFFFF; |
|
1300 wmb(); |
|
1301 np->rx_ring.ex[nr].flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX2_AVAIL); |
|
1302 } |
|
1303 dprintk(KERN_DEBUG "%s: nv_alloc_rx: Packet %d marked as Available\n", |
|
1304 dev->name, refill_rx); |
|
1305 refill_rx++; |
|
1306 } |
|
1307 np->refill_rx = refill_rx; |
|
1308 if (np->cur_rx - refill_rx == np->rx_ring_size) |
|
1309 return 1; |
|
1310 return 0; |
|
1311 } |
|
1312 |
|
1313 /* If rx bufs are exhausted called after 50ms to attempt to refresh */ |
|
1314 #ifdef CONFIG_FORCEDETH_NAPI |
|
1315 static void nv_do_rx_refill(unsigned long data) |
|
1316 { |
|
1317 struct net_device *dev = (struct net_device *) data; |
|
1318 |
|
1319 /* Just reschedule NAPI rx processing */ |
|
1320 netif_rx_schedule(dev); |
|
1321 } |
|
1322 #else |
|
1323 static void nv_do_rx_refill(unsigned long data) |
|
1324 { |
|
1325 struct net_device *dev = (struct net_device *) data; |
|
1326 struct fe_priv *np = netdev_priv(dev); |
|
1327 |
|
1328 if (!using_multi_irqs(dev)) { |
|
1329 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
1330 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
|
1331 else |
|
1332 disable_irq(dev->irq); |
|
1333 } else { |
|
1334 disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
|
1335 } |
|
1336 if (nv_alloc_rx(dev)) { |
|
1337 spin_lock_irq(&np->lock); |
|
1338 if (!np->in_shutdown) |
|
1339 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
1340 spin_unlock_irq(&np->lock); |
|
1341 } |
|
1342 if (!using_multi_irqs(dev)) { |
|
1343 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
1344 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
|
1345 else |
|
1346 enable_irq(dev->irq); |
|
1347 } else { |
|
1348 enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
|
1349 } |
|
1350 } |
|
1351 #endif |
|
1352 |
|
1353 static void nv_init_rx(struct net_device *dev) |
|
1354 { |
|
1355 struct fe_priv *np = netdev_priv(dev); |
|
1356 int i; |
|
1357 |
|
1358 np->cur_rx = np->rx_ring_size; |
|
1359 np->refill_rx = 0; |
|
1360 for (i = 0; i < np->rx_ring_size; i++) |
|
1361 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
|
1362 np->rx_ring.orig[i].flaglen = 0; |
|
1363 else |
|
1364 np->rx_ring.ex[i].flaglen = 0; |
|
1365 } |
|
1366 |
|
1367 static void nv_init_tx(struct net_device *dev) |
|
1368 { |
|
1369 struct fe_priv *np = netdev_priv(dev); |
|
1370 int i; |
|
1371 |
|
1372 np->next_tx = np->nic_tx = 0; |
|
1373 for (i = 0; i < np->tx_ring_size; i++) { |
|
1374 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
|
1375 np->tx_ring.orig[i].flaglen = 0; |
|
1376 else |
|
1377 np->tx_ring.ex[i].flaglen = 0; |
|
1378 np->tx_skbuff[i] = NULL; |
|
1379 np->tx_dma[i] = 0; |
|
1380 } |
|
1381 } |
|
1382 |
|
1383 static int nv_init_ring(struct net_device *dev) |
|
1384 { |
|
1385 nv_init_tx(dev); |
|
1386 nv_init_rx(dev); |
|
1387 return nv_alloc_rx(dev); |
|
1388 } |
|
1389 |
|
1390 static int nv_release_txskb(struct net_device *dev, unsigned int skbnr) |
|
1391 { |
|
1392 struct fe_priv *np = netdev_priv(dev); |
|
1393 |
|
1394 dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d\n", |
|
1395 dev->name, skbnr); |
|
1396 |
|
1397 if (np->tx_dma[skbnr]) { |
|
1398 pci_unmap_page(np->pci_dev, np->tx_dma[skbnr], |
|
1399 np->tx_dma_len[skbnr], |
|
1400 PCI_DMA_TODEVICE); |
|
1401 np->tx_dma[skbnr] = 0; |
|
1402 } |
|
1403 |
|
1404 if (np->tx_skbuff[skbnr]) { |
|
1405 if (!np->ecdev) dev_kfree_skb_any(np->tx_skbuff[skbnr]); |
|
1406 np->tx_skbuff[skbnr] = NULL; |
|
1407 return 1; |
|
1408 } else { |
|
1409 return 0; |
|
1410 } |
|
1411 } |
|
1412 |
|
1413 static void nv_drain_tx(struct net_device *dev) |
|
1414 { |
|
1415 struct fe_priv *np = netdev_priv(dev); |
|
1416 unsigned int i; |
|
1417 |
|
1418 for (i = 0; i < np->tx_ring_size; i++) { |
|
1419 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
|
1420 np->tx_ring.orig[i].flaglen = 0; |
|
1421 else |
|
1422 np->tx_ring.ex[i].flaglen = 0; |
|
1423 if (nv_release_txskb(dev, i)) |
|
1424 np->stats.tx_dropped++; |
|
1425 } |
|
1426 } |
|
1427 |
|
1428 static void nv_drain_rx(struct net_device *dev) |
|
1429 { |
|
1430 struct fe_priv *np = netdev_priv(dev); |
|
1431 int i; |
|
1432 for (i = 0; i < np->rx_ring_size; i++) { |
|
1433 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
|
1434 np->rx_ring.orig[i].flaglen = 0; |
|
1435 else |
|
1436 np->rx_ring.ex[i].flaglen = 0; |
|
1437 wmb(); |
|
1438 if (np->rx_skbuff[i]) { |
|
1439 pci_unmap_single(np->pci_dev, np->rx_dma[i], |
|
1440 np->rx_skbuff[i]->end-np->rx_skbuff[i]->data, |
|
1441 PCI_DMA_FROMDEVICE); |
|
1442 if (!np->ecdev) dev_kfree_skb(np->rx_skbuff[i]); |
|
1443 np->rx_skbuff[i] = NULL; |
|
1444 } |
|
1445 } |
|
1446 } |
|
1447 |
|
1448 static void drain_ring(struct net_device *dev) |
|
1449 { |
|
1450 nv_drain_tx(dev); |
|
1451 nv_drain_rx(dev); |
|
1452 } |
|
1453 |
|
1454 /* |
|
1455 * nv_start_xmit: dev->hard_start_xmit function |
|
1456 * Called with netif_tx_lock held. |
|
1457 */ |
|
1458 static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) |
|
1459 { |
|
1460 struct fe_priv *np = netdev_priv(dev); |
|
1461 u32 tx_flags = 0; |
|
1462 u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); |
|
1463 unsigned int fragments = skb_shinfo(skb)->nr_frags; |
|
1464 unsigned int nr = (np->next_tx - 1) % np->tx_ring_size; |
|
1465 unsigned int start_nr = np->next_tx % np->tx_ring_size; |
|
1466 unsigned int i; |
|
1467 u32 offset = 0; |
|
1468 u32 bcnt; |
|
1469 u32 size = skb->len-skb->data_len; |
|
1470 u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); |
|
1471 u32 tx_flags_vlan = 0; |
|
1472 |
|
1473 /* add fragments to entries count */ |
|
1474 for (i = 0; i < fragments; i++) { |
|
1475 entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + |
|
1476 ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); |
|
1477 } |
|
1478 |
|
1479 if (!np->ecdev) { |
|
1480 spin_lock_irq(&np->lock); |
|
1481 |
|
1482 if ((np->next_tx - np->nic_tx + entries - 1) > np->tx_limit_stop) { |
|
1483 spin_unlock_irq(&np->lock); |
|
1484 netif_stop_queue(dev); |
|
1485 return NETDEV_TX_BUSY; |
|
1486 } |
|
1487 } |
|
1488 |
|
1489 /* setup the header buffer */ |
|
1490 do { |
|
1491 bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
|
1492 nr = (nr + 1) % np->tx_ring_size; |
|
1493 |
|
1494 np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data + offset, bcnt, |
|
1495 PCI_DMA_TODEVICE); |
|
1496 np->tx_dma_len[nr] = bcnt; |
|
1497 |
|
1498 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1499 np->tx_ring.orig[nr].buf = cpu_to_le32(np->tx_dma[nr]); |
|
1500 np->tx_ring.orig[nr].flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
|
1501 } else { |
|
1502 np->tx_ring.ex[nr].bufhigh = cpu_to_le64(np->tx_dma[nr]) >> 32; |
|
1503 np->tx_ring.ex[nr].buflow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; |
|
1504 np->tx_ring.ex[nr].flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
|
1505 } |
|
1506 tx_flags = np->tx_flags; |
|
1507 offset += bcnt; |
|
1508 size -= bcnt; |
|
1509 } while (size); |
|
1510 |
|
1511 /* setup the fragments */ |
|
1512 for (i = 0; i < fragments; i++) { |
|
1513 skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
|
1514 u32 size = frag->size; |
|
1515 offset = 0; |
|
1516 |
|
1517 do { |
|
1518 bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
|
1519 nr = (nr + 1) % np->tx_ring_size; |
|
1520 |
|
1521 np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, |
|
1522 PCI_DMA_TODEVICE); |
|
1523 np->tx_dma_len[nr] = bcnt; |
|
1524 |
|
1525 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1526 np->tx_ring.orig[nr].buf = cpu_to_le32(np->tx_dma[nr]); |
|
1527 np->tx_ring.orig[nr].flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
|
1528 } else { |
|
1529 np->tx_ring.ex[nr].bufhigh = cpu_to_le64(np->tx_dma[nr]) >> 32; |
|
1530 np->tx_ring.ex[nr].buflow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; |
|
1531 np->tx_ring.ex[nr].flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
|
1532 } |
|
1533 offset += bcnt; |
|
1534 size -= bcnt; |
|
1535 } while (size); |
|
1536 } |
|
1537 |
|
1538 /* set last fragment flag */ |
|
1539 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1540 np->tx_ring.orig[nr].flaglen |= cpu_to_le32(tx_flags_extra); |
|
1541 } else { |
|
1542 np->tx_ring.ex[nr].flaglen |= cpu_to_le32(tx_flags_extra); |
|
1543 } |
|
1544 |
|
1545 np->tx_skbuff[nr] = skb; |
|
1546 |
|
1547 #ifdef NETIF_F_TSO |
|
1548 if (skb_is_gso(skb)) |
|
1549 tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT); |
|
1550 else |
|
1551 #endif |
|
1552 tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ? |
|
1553 NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0; |
|
1554 |
|
1555 /* vlan tag */ |
|
1556 if (np->vlangrp && vlan_tx_tag_present(skb)) { |
|
1557 tx_flags_vlan = NV_TX3_VLAN_TAG_PRESENT | vlan_tx_tag_get(skb); |
|
1558 } |
|
1559 |
|
1560 /* set tx flags */ |
|
1561 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1562 np->tx_ring.orig[start_nr].flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); |
|
1563 } else { |
|
1564 np->tx_ring.ex[start_nr].txvlan = cpu_to_le32(tx_flags_vlan); |
|
1565 np->tx_ring.ex[start_nr].flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); |
|
1566 } |
|
1567 |
|
1568 dprintk(KERN_DEBUG "%s: nv_start_xmit: packet %d (entries %d) queued for transmission. tx_flags_extra: %x\n", |
|
1569 dev->name, np->next_tx, entries, tx_flags_extra); |
|
1570 { |
|
1571 int j; |
|
1572 for (j=0; j<64; j++) { |
|
1573 if ((j%16) == 0) |
|
1574 dprintk("\n%03x:", j); |
|
1575 dprintk(" %02x", ((unsigned char*)skb->data)[j]); |
|
1576 } |
|
1577 dprintk("\n"); |
|
1578 } |
|
1579 |
|
1580 np->next_tx += entries; |
|
1581 |
|
1582 dev->trans_start = jiffies; |
|
1583 if (!np->ecdev) spin_unlock_irq(&np->lock); |
|
1584 writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
|
1585 pci_push(get_hwbase(dev)); |
|
1586 return NETDEV_TX_OK; |
|
1587 } |
|
1588 |
|
1589 /* |
|
1590 * nv_tx_done: check for completed packets, release the skbs. |
|
1591 * |
|
1592 * Caller must own np->lock. |
|
1593 */ |
|
1594 static void nv_tx_done(struct net_device *dev) |
|
1595 { |
|
1596 struct fe_priv *np = netdev_priv(dev); |
|
1597 u32 flags; |
|
1598 unsigned int i; |
|
1599 struct sk_buff *skb; |
|
1600 |
|
1601 while (np->nic_tx != np->next_tx) { |
|
1602 i = np->nic_tx % np->tx_ring_size; |
|
1603 |
|
1604 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
|
1605 flags = le32_to_cpu(np->tx_ring.orig[i].flaglen); |
|
1606 else |
|
1607 flags = le32_to_cpu(np->tx_ring.ex[i].flaglen); |
|
1608 |
|
1609 dprintk(KERN_DEBUG "%s: nv_tx_done: looking at packet %d, flags 0x%x.\n", |
|
1610 dev->name, np->nic_tx, flags); |
|
1611 if (flags & NV_TX_VALID) |
|
1612 break; |
|
1613 if (np->desc_ver == DESC_VER_1) { |
|
1614 if (flags & NV_TX_LASTPACKET) { |
|
1615 skb = np->tx_skbuff[i]; |
|
1616 if (flags & (NV_TX_RETRYERROR|NV_TX_CARRIERLOST|NV_TX_LATECOLLISION| |
|
1617 NV_TX_UNDERFLOW|NV_TX_ERROR)) { |
|
1618 if (flags & NV_TX_UNDERFLOW) |
|
1619 np->stats.tx_fifo_errors++; |
|
1620 if (flags & NV_TX_CARRIERLOST) |
|
1621 np->stats.tx_carrier_errors++; |
|
1622 np->stats.tx_errors++; |
|
1623 } else { |
|
1624 np->stats.tx_packets++; |
|
1625 np->stats.tx_bytes += skb->len; |
|
1626 } |
|
1627 } |
|
1628 } else { |
|
1629 if (flags & NV_TX2_LASTPACKET) { |
|
1630 skb = np->tx_skbuff[i]; |
|
1631 if (flags & (NV_TX2_RETRYERROR|NV_TX2_CARRIERLOST|NV_TX2_LATECOLLISION| |
|
1632 NV_TX2_UNDERFLOW|NV_TX2_ERROR)) { |
|
1633 if (flags & NV_TX2_UNDERFLOW) |
|
1634 np->stats.tx_fifo_errors++; |
|
1635 if (flags & NV_TX2_CARRIERLOST) |
|
1636 np->stats.tx_carrier_errors++; |
|
1637 np->stats.tx_errors++; |
|
1638 } else { |
|
1639 np->stats.tx_packets++; |
|
1640 np->stats.tx_bytes += skb->len; |
|
1641 } |
|
1642 } |
|
1643 } |
|
1644 nv_release_txskb(dev, i); |
|
1645 np->nic_tx++; |
|
1646 } |
|
1647 if (!np->ecdev && np->next_tx - np->nic_tx < np->tx_limit_start) |
|
1648 netif_wake_queue(dev); |
|
1649 } |
|
1650 |
|
1651 /* |
|
1652 * nv_tx_timeout: dev->tx_timeout function |
|
1653 * Called with netif_tx_lock held. |
|
1654 */ |
|
1655 static void nv_tx_timeout(struct net_device *dev) |
|
1656 { |
|
1657 struct fe_priv *np = netdev_priv(dev); |
|
1658 u8 __iomem *base = get_hwbase(dev); |
|
1659 u32 status; |
|
1660 |
|
1661 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
1662 status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; |
|
1663 else |
|
1664 status = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; |
|
1665 |
|
1666 printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name, status); |
|
1667 |
|
1668 { |
|
1669 int i; |
|
1670 |
|
1671 printk(KERN_INFO "%s: Ring at %lx: next %d nic %d\n", |
|
1672 dev->name, (unsigned long)np->ring_addr, |
|
1673 np->next_tx, np->nic_tx); |
|
1674 printk(KERN_INFO "%s: Dumping tx registers\n", dev->name); |
|
1675 for (i=0;i<=np->register_size;i+= 32) { |
|
1676 printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
|
1677 i, |
|
1678 readl(base + i + 0), readl(base + i + 4), |
|
1679 readl(base + i + 8), readl(base + i + 12), |
|
1680 readl(base + i + 16), readl(base + i + 20), |
|
1681 readl(base + i + 24), readl(base + i + 28)); |
|
1682 } |
|
1683 printk(KERN_INFO "%s: Dumping tx ring\n", dev->name); |
|
1684 for (i=0;i<np->tx_ring_size;i+= 4) { |
|
1685 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1686 printk(KERN_INFO "%03x: %08x %08x // %08x %08x // %08x %08x // %08x %08x\n", |
|
1687 i, |
|
1688 le32_to_cpu(np->tx_ring.orig[i].buf), |
|
1689 le32_to_cpu(np->tx_ring.orig[i].flaglen), |
|
1690 le32_to_cpu(np->tx_ring.orig[i+1].buf), |
|
1691 le32_to_cpu(np->tx_ring.orig[i+1].flaglen), |
|
1692 le32_to_cpu(np->tx_ring.orig[i+2].buf), |
|
1693 le32_to_cpu(np->tx_ring.orig[i+2].flaglen), |
|
1694 le32_to_cpu(np->tx_ring.orig[i+3].buf), |
|
1695 le32_to_cpu(np->tx_ring.orig[i+3].flaglen)); |
|
1696 } else { |
|
1697 printk(KERN_INFO "%03x: %08x %08x %08x // %08x %08x %08x // %08x %08x %08x // %08x %08x %08x\n", |
|
1698 i, |
|
1699 le32_to_cpu(np->tx_ring.ex[i].bufhigh), |
|
1700 le32_to_cpu(np->tx_ring.ex[i].buflow), |
|
1701 le32_to_cpu(np->tx_ring.ex[i].flaglen), |
|
1702 le32_to_cpu(np->tx_ring.ex[i+1].bufhigh), |
|
1703 le32_to_cpu(np->tx_ring.ex[i+1].buflow), |
|
1704 le32_to_cpu(np->tx_ring.ex[i+1].flaglen), |
|
1705 le32_to_cpu(np->tx_ring.ex[i+2].bufhigh), |
|
1706 le32_to_cpu(np->tx_ring.ex[i+2].buflow), |
|
1707 le32_to_cpu(np->tx_ring.ex[i+2].flaglen), |
|
1708 le32_to_cpu(np->tx_ring.ex[i+3].bufhigh), |
|
1709 le32_to_cpu(np->tx_ring.ex[i+3].buflow), |
|
1710 le32_to_cpu(np->tx_ring.ex[i+3].flaglen)); |
|
1711 } |
|
1712 } |
|
1713 } |
|
1714 |
|
1715 if (!np->ecdev) spin_lock_irq(&np->lock); |
|
1716 |
|
1717 /* 1) stop tx engine */ |
|
1718 nv_stop_tx(dev); |
|
1719 |
|
1720 /* 2) check that the packets were not sent already: */ |
|
1721 nv_tx_done(dev); |
|
1722 |
|
1723 /* 3) if there are dead entries: clear everything */ |
|
1724 if (np->next_tx != np->nic_tx) { |
|
1725 printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name); |
|
1726 nv_drain_tx(dev); |
|
1727 np->next_tx = np->nic_tx = 0; |
|
1728 setup_hw_rings(dev, NV_SETUP_TX_RING); |
|
1729 if (!np->ecdev) netif_wake_queue(dev); |
|
1730 } |
|
1731 |
|
1732 /* 4) restart tx engine */ |
|
1733 nv_start_tx(dev); |
|
1734 if (!np->ecdev) spin_unlock_irq(&np->lock); |
|
1735 } |
|
1736 |
|
1737 /* |
|
1738 * Called when the nic notices a mismatch between the actual data len on the |
|
1739 * wire and the len indicated in the 802 header |
|
1740 */ |
|
1741 static int nv_getlen(struct net_device *dev, void *packet, int datalen) |
|
1742 { |
|
1743 int hdrlen; /* length of the 802 header */ |
|
1744 int protolen; /* length as stored in the proto field */ |
|
1745 |
|
1746 /* 1) calculate len according to header */ |
|
1747 if ( ((struct vlan_ethhdr *)packet)->h_vlan_proto == htons(ETH_P_8021Q)) { |
|
1748 protolen = ntohs( ((struct vlan_ethhdr *)packet)->h_vlan_encapsulated_proto ); |
|
1749 hdrlen = VLAN_HLEN; |
|
1750 } else { |
|
1751 protolen = ntohs( ((struct ethhdr *)packet)->h_proto); |
|
1752 hdrlen = ETH_HLEN; |
|
1753 } |
|
1754 dprintk(KERN_DEBUG "%s: nv_getlen: datalen %d, protolen %d, hdrlen %d\n", |
|
1755 dev->name, datalen, protolen, hdrlen); |
|
1756 if (protolen > ETH_DATA_LEN) |
|
1757 return datalen; /* Value in proto field not a len, no checks possible */ |
|
1758 |
|
1759 protolen += hdrlen; |
|
1760 /* consistency checks: */ |
|
1761 if (datalen > ETH_ZLEN) { |
|
1762 if (datalen >= protolen) { |
|
1763 /* more data on wire than in 802 header, trim of |
|
1764 * additional data. |
|
1765 */ |
|
1766 dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", |
|
1767 dev->name, protolen); |
|
1768 return protolen; |
|
1769 } else { |
|
1770 /* less data on wire than mentioned in header. |
|
1771 * Discard the packet. |
|
1772 */ |
|
1773 dprintk(KERN_DEBUG "%s: nv_getlen: discarding long packet.\n", |
|
1774 dev->name); |
|
1775 return -1; |
|
1776 } |
|
1777 } else { |
|
1778 /* short packet. Accept only if 802 values are also short */ |
|
1779 if (protolen > ETH_ZLEN) { |
|
1780 dprintk(KERN_DEBUG "%s: nv_getlen: discarding short packet.\n", |
|
1781 dev->name); |
|
1782 return -1; |
|
1783 } |
|
1784 dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", |
|
1785 dev->name, datalen); |
|
1786 return datalen; |
|
1787 } |
|
1788 } |
|
1789 |
|
1790 static int nv_rx_process(struct net_device *dev, int limit) |
|
1791 { |
|
1792 struct fe_priv *np = netdev_priv(dev); |
|
1793 u32 flags; |
|
1794 u32 vlanflags = 0; |
|
1795 int count; |
|
1796 |
|
1797 for (count = 0; count < limit; ++count) { |
|
1798 struct sk_buff *skb; |
|
1799 int len; |
|
1800 int i; |
|
1801 if (np->cur_rx - np->refill_rx >= np->rx_ring_size) |
|
1802 break; /* we scanned the whole ring - do not continue */ |
|
1803 |
|
1804 i = np->cur_rx % np->rx_ring_size; |
|
1805 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
1806 flags = le32_to_cpu(np->rx_ring.orig[i].flaglen); |
|
1807 len = nv_descr_getlength(&np->rx_ring.orig[i], np->desc_ver); |
|
1808 } else { |
|
1809 flags = le32_to_cpu(np->rx_ring.ex[i].flaglen); |
|
1810 len = nv_descr_getlength_ex(&np->rx_ring.ex[i], np->desc_ver); |
|
1811 vlanflags = le32_to_cpu(np->rx_ring.ex[i].buflow); |
|
1812 } |
|
1813 |
|
1814 dprintk(KERN_DEBUG "%s: nv_rx_process: looking at packet %d, flags 0x%x.\n", |
|
1815 dev->name, np->cur_rx, flags); |
|
1816 |
|
1817 if (flags & NV_RX_AVAIL) |
|
1818 break; /* still owned by hardware, */ |
|
1819 |
|
1820 /* |
|
1821 * the packet is for us - immediately tear down the pci mapping. |
|
1822 * TODO: check if a prefetch of the first cacheline improves |
|
1823 * the performance. |
|
1824 */ |
|
1825 pci_unmap_single(np->pci_dev, np->rx_dma[i], |
|
1826 np->rx_skbuff[i]->end-np->rx_skbuff[i]->data, |
|
1827 PCI_DMA_FROMDEVICE); |
|
1828 |
|
1829 { |
|
1830 int j; |
|
1831 dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",flags); |
|
1832 for (j=0; j<64; j++) { |
|
1833 if ((j%16) == 0) |
|
1834 dprintk("\n%03x:", j); |
|
1835 dprintk(" %02x", ((unsigned char*)np->rx_skbuff[i]->data)[j]); |
|
1836 } |
|
1837 dprintk("\n"); |
|
1838 } |
|
1839 /* look at what we actually got: */ |
|
1840 if (np->desc_ver == DESC_VER_1) { |
|
1841 if (!(flags & NV_RX_DESCRIPTORVALID)) |
|
1842 goto next_pkt; |
|
1843 |
|
1844 if (flags & NV_RX_ERROR) { |
|
1845 if (flags & NV_RX_MISSEDFRAME) { |
|
1846 np->stats.rx_missed_errors++; |
|
1847 np->stats.rx_errors++; |
|
1848 goto next_pkt; |
|
1849 } |
|
1850 if (flags & (NV_RX_ERROR1|NV_RX_ERROR2|NV_RX_ERROR3)) { |
|
1851 np->stats.rx_errors++; |
|
1852 goto next_pkt; |
|
1853 } |
|
1854 if (flags & NV_RX_CRCERR) { |
|
1855 np->stats.rx_crc_errors++; |
|
1856 np->stats.rx_errors++; |
|
1857 goto next_pkt; |
|
1858 } |
|
1859 if (flags & NV_RX_OVERFLOW) { |
|
1860 np->stats.rx_over_errors++; |
|
1861 np->stats.rx_errors++; |
|
1862 goto next_pkt; |
|
1863 } |
|
1864 if (flags & NV_RX_ERROR4) { |
|
1865 len = nv_getlen(dev, np->rx_skbuff[i]->data, len); |
|
1866 if (len < 0) { |
|
1867 np->stats.rx_errors++; |
|
1868 goto next_pkt; |
|
1869 } |
|
1870 } |
|
1871 /* framing errors are soft errors. */ |
|
1872 if (flags & NV_RX_FRAMINGERR) { |
|
1873 if (flags & NV_RX_SUBSTRACT1) { |
|
1874 len--; |
|
1875 } |
|
1876 } |
|
1877 } |
|
1878 } else { |
|
1879 if (!(flags & NV_RX2_DESCRIPTORVALID)) |
|
1880 goto next_pkt; |
|
1881 |
|
1882 if (flags & NV_RX2_ERROR) { |
|
1883 if (flags & (NV_RX2_ERROR1|NV_RX2_ERROR2|NV_RX2_ERROR3)) { |
|
1884 np->stats.rx_errors++; |
|
1885 goto next_pkt; |
|
1886 } |
|
1887 if (flags & NV_RX2_CRCERR) { |
|
1888 np->stats.rx_crc_errors++; |
|
1889 np->stats.rx_errors++; |
|
1890 goto next_pkt; |
|
1891 } |
|
1892 if (flags & NV_RX2_OVERFLOW) { |
|
1893 np->stats.rx_over_errors++; |
|
1894 np->stats.rx_errors++; |
|
1895 goto next_pkt; |
|
1896 } |
|
1897 if (flags & NV_RX2_ERROR4) { |
|
1898 len = nv_getlen(dev, np->rx_skbuff[i]->data, len); |
|
1899 if (len < 0) { |
|
1900 np->stats.rx_errors++; |
|
1901 goto next_pkt; |
|
1902 } |
|
1903 } |
|
1904 /* framing errors are soft errors */ |
|
1905 if (flags & NV_RX2_FRAMINGERR) { |
|
1906 if (flags & NV_RX2_SUBSTRACT1) { |
|
1907 len--; |
|
1908 } |
|
1909 } |
|
1910 } |
|
1911 if (np->rx_csum) { |
|
1912 flags &= NV_RX2_CHECKSUMMASK; |
|
1913 if (flags == NV_RX2_CHECKSUMOK1 || |
|
1914 flags == NV_RX2_CHECKSUMOK2 || |
|
1915 flags == NV_RX2_CHECKSUMOK3) { |
|
1916 dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name); |
|
1917 np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY; |
|
1918 } else { |
|
1919 dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name); |
|
1920 } |
|
1921 } |
|
1922 } |
|
1923 if (np->ecdev) { |
|
1924 ecdev_receive(np->ecdev, np->rx_skbuff[i]->data, len); |
|
1925 } |
|
1926 else { |
|
1927 /* got a valid packet - forward it to the network core */ |
|
1928 skb = np->rx_skbuff[i]; |
|
1929 np->rx_skbuff[i] = NULL; |
|
1930 |
|
1931 skb_put(skb, len); |
|
1932 skb->protocol = eth_type_trans(skb, dev); |
|
1933 dprintk(KERN_DEBUG "%s: nv_rx_process: packet %d with %d bytes, proto %d accepted.\n", |
|
1934 dev->name, np->cur_rx, len, skb->protocol); |
|
1935 #ifdef CONFIG_FORCEDETH_NAPI |
|
1936 if (np->vlangrp && (vlanflags & NV_RX3_VLAN_TAG_PRESENT)) |
|
1937 vlan_hwaccel_receive_skb(skb, np->vlangrp, |
|
1938 vlanflags & NV_RX3_VLAN_TAG_MASK); |
|
1939 else |
|
1940 netif_receive_skb(skb); |
|
1941 #else |
|
1942 if (np->vlangrp && (vlanflags & NV_RX3_VLAN_TAG_PRESENT)) |
|
1943 vlan_hwaccel_rx(skb, np->vlangrp, |
|
1944 vlanflags & NV_RX3_VLAN_TAG_MASK); |
|
1945 else |
|
1946 netif_rx(skb); |
|
1947 #endif |
|
1948 } |
|
1949 dev->last_rx = jiffies; |
|
1950 np->stats.rx_packets++; |
|
1951 np->stats.rx_bytes += len; |
|
1952 next_pkt: |
|
1953 np->cur_rx++; |
|
1954 } |
|
1955 |
|
1956 return count; |
|
1957 } |
|
1958 |
|
1959 static void set_bufsize(struct net_device *dev) |
|
1960 { |
|
1961 struct fe_priv *np = netdev_priv(dev); |
|
1962 |
|
1963 if (dev->mtu <= ETH_DATA_LEN) |
|
1964 np->rx_buf_sz = ETH_DATA_LEN + NV_RX_HEADERS; |
|
1965 else |
|
1966 np->rx_buf_sz = dev->mtu + NV_RX_HEADERS; |
|
1967 } |
|
1968 |
|
1969 /* |
|
1970 * nv_change_mtu: dev->change_mtu function |
|
1971 * Called with dev_base_lock held for read. |
|
1972 */ |
|
1973 static int nv_change_mtu(struct net_device *dev, int new_mtu) |
|
1974 { |
|
1975 struct fe_priv *np = netdev_priv(dev); |
|
1976 int old_mtu; |
|
1977 |
|
1978 if (new_mtu < 64 || new_mtu > np->pkt_limit) |
|
1979 return -EINVAL; |
|
1980 |
|
1981 old_mtu = dev->mtu; |
|
1982 dev->mtu = new_mtu; |
|
1983 |
|
1984 /* return early if the buffer sizes will not change */ |
|
1985 if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN) |
|
1986 return 0; |
|
1987 if (old_mtu == new_mtu) |
|
1988 return 0; |
|
1989 |
|
1990 /* synchronized against open : rtnl_lock() held by caller */ |
|
1991 if (netif_running(dev)) { |
|
1992 u8 __iomem *base = get_hwbase(dev); |
|
1993 /* |
|
1994 * It seems that the nic preloads valid ring entries into an |
|
1995 * internal buffer. The procedure for flushing everything is |
|
1996 * guessed, there is probably a simpler approach. |
|
1997 * Changing the MTU is a rare event, it shouldn't matter. |
|
1998 */ |
|
1999 nv_disable_irq(dev); |
|
2000 netif_tx_lock_bh(dev); |
|
2001 spin_lock(&np->lock); |
|
2002 /* stop engines */ |
|
2003 nv_stop_rx(dev); |
|
2004 nv_stop_tx(dev); |
|
2005 nv_txrx_reset(dev); |
|
2006 /* drain rx queue */ |
|
2007 nv_drain_rx(dev); |
|
2008 nv_drain_tx(dev); |
|
2009 /* reinit driver view of the rx queue */ |
|
2010 set_bufsize(dev); |
|
2011 if (nv_init_ring(dev)) { |
|
2012 if (!np->in_shutdown) |
|
2013 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
2014 } |
|
2015 /* reinit nic view of the rx queue */ |
|
2016 writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
|
2017 setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
|
2018 writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
|
2019 base + NvRegRingSizes); |
|
2020 pci_push(base); |
|
2021 writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
|
2022 pci_push(base); |
|
2023 |
|
2024 /* restart rx engine */ |
|
2025 nv_start_rx(dev); |
|
2026 nv_start_tx(dev); |
|
2027 spin_unlock(&np->lock); |
|
2028 netif_tx_unlock_bh(dev); |
|
2029 nv_enable_irq(dev); |
|
2030 } |
|
2031 return 0; |
|
2032 } |
|
2033 |
|
2034 static void nv_copy_mac_to_hw(struct net_device *dev) |
|
2035 { |
|
2036 u8 __iomem *base = get_hwbase(dev); |
|
2037 u32 mac[2]; |
|
2038 |
|
2039 mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) + |
|
2040 (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); |
|
2041 mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8); |
|
2042 |
|
2043 writel(mac[0], base + NvRegMacAddrA); |
|
2044 writel(mac[1], base + NvRegMacAddrB); |
|
2045 } |
|
2046 |
|
2047 /* |
|
2048 * nv_set_mac_address: dev->set_mac_address function |
|
2049 * Called with rtnl_lock() held. |
|
2050 */ |
|
2051 static int nv_set_mac_address(struct net_device *dev, void *addr) |
|
2052 { |
|
2053 struct fe_priv *np = netdev_priv(dev); |
|
2054 struct sockaddr *macaddr = (struct sockaddr*)addr; |
|
2055 |
|
2056 if (!is_valid_ether_addr(macaddr->sa_data)) |
|
2057 return -EADDRNOTAVAIL; |
|
2058 |
|
2059 /* synchronized against open : rtnl_lock() held by caller */ |
|
2060 memcpy(dev->dev_addr, macaddr->sa_data, ETH_ALEN); |
|
2061 |
|
2062 if (netif_running(dev)) { |
|
2063 netif_tx_lock_bh(dev); |
|
2064 spin_lock_irq(&np->lock); |
|
2065 |
|
2066 /* stop rx engine */ |
|
2067 nv_stop_rx(dev); |
|
2068 |
|
2069 /* set mac address */ |
|
2070 nv_copy_mac_to_hw(dev); |
|
2071 |
|
2072 /* restart rx engine */ |
|
2073 nv_start_rx(dev); |
|
2074 spin_unlock_irq(&np->lock); |
|
2075 netif_tx_unlock_bh(dev); |
|
2076 } else { |
|
2077 nv_copy_mac_to_hw(dev); |
|
2078 } |
|
2079 return 0; |
|
2080 } |
|
2081 |
|
2082 /* |
|
2083 * nv_set_multicast: dev->set_multicast function |
|
2084 * Called with netif_tx_lock held. |
|
2085 */ |
|
2086 static void nv_set_multicast(struct net_device *dev) |
|
2087 { |
|
2088 struct fe_priv *np = netdev_priv(dev); |
|
2089 u8 __iomem *base = get_hwbase(dev); |
|
2090 u32 addr[2]; |
|
2091 u32 mask[2]; |
|
2092 u32 pff = readl(base + NvRegPacketFilterFlags) & NVREG_PFF_PAUSE_RX; |
|
2093 |
|
2094 memset(addr, 0, sizeof(addr)); |
|
2095 memset(mask, 0, sizeof(mask)); |
|
2096 |
|
2097 if (dev->flags & IFF_PROMISC) { |
|
2098 pff |= NVREG_PFF_PROMISC; |
|
2099 } else { |
|
2100 pff |= NVREG_PFF_MYADDR; |
|
2101 |
|
2102 if (dev->flags & IFF_ALLMULTI || dev->mc_list) { |
|
2103 u32 alwaysOff[2]; |
|
2104 u32 alwaysOn[2]; |
|
2105 |
|
2106 alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0xffffffff; |
|
2107 if (dev->flags & IFF_ALLMULTI) { |
|
2108 alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0; |
|
2109 } else { |
|
2110 struct dev_mc_list *walk; |
|
2111 |
|
2112 walk = dev->mc_list; |
|
2113 while (walk != NULL) { |
|
2114 u32 a, b; |
|
2115 a = le32_to_cpu(*(u32 *) walk->dmi_addr); |
|
2116 b = le16_to_cpu(*(u16 *) (&walk->dmi_addr[4])); |
|
2117 alwaysOn[0] &= a; |
|
2118 alwaysOff[0] &= ~a; |
|
2119 alwaysOn[1] &= b; |
|
2120 alwaysOff[1] &= ~b; |
|
2121 walk = walk->next; |
|
2122 } |
|
2123 } |
|
2124 addr[0] = alwaysOn[0]; |
|
2125 addr[1] = alwaysOn[1]; |
|
2126 mask[0] = alwaysOn[0] | alwaysOff[0]; |
|
2127 mask[1] = alwaysOn[1] | alwaysOff[1]; |
|
2128 } |
|
2129 } |
|
2130 addr[0] |= NVREG_MCASTADDRA_FORCE; |
|
2131 pff |= NVREG_PFF_ALWAYS; |
|
2132 spin_lock_irq(&np->lock); |
|
2133 nv_stop_rx(dev); |
|
2134 writel(addr[0], base + NvRegMulticastAddrA); |
|
2135 writel(addr[1], base + NvRegMulticastAddrB); |
|
2136 writel(mask[0], base + NvRegMulticastMaskA); |
|
2137 writel(mask[1], base + NvRegMulticastMaskB); |
|
2138 writel(pff, base + NvRegPacketFilterFlags); |
|
2139 dprintk(KERN_INFO "%s: reconfiguration for multicast lists.\n", |
|
2140 dev->name); |
|
2141 nv_start_rx(dev); |
|
2142 spin_unlock_irq(&np->lock); |
|
2143 } |
|
2144 |
|
2145 static void nv_update_pause(struct net_device *dev, u32 pause_flags) |
|
2146 { |
|
2147 struct fe_priv *np = netdev_priv(dev); |
|
2148 u8 __iomem *base = get_hwbase(dev); |
|
2149 |
|
2150 np->pause_flags &= ~(NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE); |
|
2151 |
|
2152 if (np->pause_flags & NV_PAUSEFRAME_RX_CAPABLE) { |
|
2153 u32 pff = readl(base + NvRegPacketFilterFlags) & ~NVREG_PFF_PAUSE_RX; |
|
2154 if (pause_flags & NV_PAUSEFRAME_RX_ENABLE) { |
|
2155 writel(pff|NVREG_PFF_PAUSE_RX, base + NvRegPacketFilterFlags); |
|
2156 np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
|
2157 } else { |
|
2158 writel(pff, base + NvRegPacketFilterFlags); |
|
2159 } |
|
2160 } |
|
2161 if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) { |
|
2162 u32 regmisc = readl(base + NvRegMisc1) & ~NVREG_MISC1_PAUSE_TX; |
|
2163 if (pause_flags & NV_PAUSEFRAME_TX_ENABLE) { |
|
2164 writel(NVREG_TX_PAUSEFRAME_ENABLE, base + NvRegTxPauseFrame); |
|
2165 writel(regmisc|NVREG_MISC1_PAUSE_TX, base + NvRegMisc1); |
|
2166 np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
|
2167 } else { |
|
2168 writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); |
|
2169 writel(regmisc, base + NvRegMisc1); |
|
2170 } |
|
2171 } |
|
2172 } |
|
2173 |
|
2174 /** |
|
2175 * nv_update_linkspeed: Setup the MAC according to the link partner |
|
2176 * @dev: Network device to be configured |
|
2177 * |
|
2178 * The function queries the PHY and checks if there is a link partner. |
|
2179 * If yes, then it sets up the MAC accordingly. Otherwise, the MAC is |
|
2180 * set to 10 MBit HD. |
|
2181 * |
|
2182 * The function returns 0 if there is no link partner and 1 if there is |
|
2183 * a good link partner. |
|
2184 */ |
|
2185 static int nv_update_linkspeed(struct net_device *dev) |
|
2186 { |
|
2187 struct fe_priv *np = netdev_priv(dev); |
|
2188 u8 __iomem *base = get_hwbase(dev); |
|
2189 int adv = 0; |
|
2190 int lpa = 0; |
|
2191 int adv_lpa, adv_pause, lpa_pause; |
|
2192 int newls = np->linkspeed; |
|
2193 int newdup = np->duplex; |
|
2194 int mii_status; |
|
2195 int retval = 0; |
|
2196 u32 control_1000, status_1000, phyreg, pause_flags, txreg; |
|
2197 |
|
2198 /* BMSR_LSTATUS is latched, read it twice: |
|
2199 * we want the current value. |
|
2200 */ |
|
2201 mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
|
2202 mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
|
2203 |
|
2204 if (!(mii_status & BMSR_LSTATUS)) { |
|
2205 dprintk(KERN_DEBUG "%s: no link detected by phy - falling back to 10HD.\n", |
|
2206 dev->name); |
|
2207 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2208 newdup = 0; |
|
2209 retval = 0; |
|
2210 goto set_speed; |
|
2211 } |
|
2212 |
|
2213 if (np->autoneg == 0) { |
|
2214 dprintk(KERN_DEBUG "%s: nv_update_linkspeed: autoneg off, PHY set to 0x%04x.\n", |
|
2215 dev->name, np->fixed_mode); |
|
2216 if (np->fixed_mode & LPA_100FULL) { |
|
2217 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
|
2218 newdup = 1; |
|
2219 } else if (np->fixed_mode & LPA_100HALF) { |
|
2220 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
|
2221 newdup = 0; |
|
2222 } else if (np->fixed_mode & LPA_10FULL) { |
|
2223 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2224 newdup = 1; |
|
2225 } else { |
|
2226 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2227 newdup = 0; |
|
2228 } |
|
2229 retval = 1; |
|
2230 goto set_speed; |
|
2231 } |
|
2232 /* check auto negotiation is complete */ |
|
2233 if (!(mii_status & BMSR_ANEGCOMPLETE)) { |
|
2234 /* still in autonegotiation - configure nic for 10 MBit HD and wait. */ |
|
2235 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2236 newdup = 0; |
|
2237 retval = 0; |
|
2238 dprintk(KERN_DEBUG "%s: autoneg not completed - falling back to 10HD.\n", dev->name); |
|
2239 goto set_speed; |
|
2240 } |
|
2241 |
|
2242 adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
|
2243 lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ); |
|
2244 dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n", |
|
2245 dev->name, adv, lpa); |
|
2246 |
|
2247 retval = 1; |
|
2248 if (np->gigabit == PHY_GIGABIT) { |
|
2249 control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
|
2250 status_1000 = mii_rw(dev, np->phyaddr, MII_STAT1000, MII_READ); |
|
2251 |
|
2252 if ((control_1000 & ADVERTISE_1000FULL) && |
|
2253 (status_1000 & LPA_1000FULL)) { |
|
2254 dprintk(KERN_DEBUG "%s: nv_update_linkspeed: GBit ethernet detected.\n", |
|
2255 dev->name); |
|
2256 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_1000; |
|
2257 newdup = 1; |
|
2258 goto set_speed; |
|
2259 } |
|
2260 } |
|
2261 |
|
2262 /* FIXME: handle parallel detection properly */ |
|
2263 adv_lpa = lpa & adv; |
|
2264 if (adv_lpa & LPA_100FULL) { |
|
2265 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
|
2266 newdup = 1; |
|
2267 } else if (adv_lpa & LPA_100HALF) { |
|
2268 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
|
2269 newdup = 0; |
|
2270 } else if (adv_lpa & LPA_10FULL) { |
|
2271 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2272 newdup = 1; |
|
2273 } else if (adv_lpa & LPA_10HALF) { |
|
2274 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2275 newdup = 0; |
|
2276 } else { |
|
2277 dprintk(KERN_DEBUG "%s: bad ability %04x - falling back to 10HD.\n", dev->name, adv_lpa); |
|
2278 newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
2279 newdup = 0; |
|
2280 } |
|
2281 |
|
2282 set_speed: |
|
2283 if (np->duplex == newdup && np->linkspeed == newls) |
|
2284 return retval; |
|
2285 |
|
2286 dprintk(KERN_INFO "%s: changing link setting from %d/%d to %d/%d.\n", |
|
2287 dev->name, np->linkspeed, np->duplex, newls, newdup); |
|
2288 |
|
2289 np->duplex = newdup; |
|
2290 np->linkspeed = newls; |
|
2291 |
|
2292 if (np->gigabit == PHY_GIGABIT) { |
|
2293 phyreg = readl(base + NvRegRandomSeed); |
|
2294 phyreg &= ~(0x3FF00); |
|
2295 if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_10) |
|
2296 phyreg |= NVREG_RNDSEED_FORCE3; |
|
2297 else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100) |
|
2298 phyreg |= NVREG_RNDSEED_FORCE2; |
|
2299 else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000) |
|
2300 phyreg |= NVREG_RNDSEED_FORCE; |
|
2301 writel(phyreg, base + NvRegRandomSeed); |
|
2302 } |
|
2303 |
|
2304 phyreg = readl(base + NvRegPhyInterface); |
|
2305 phyreg &= ~(PHY_HALF|PHY_100|PHY_1000); |
|
2306 if (np->duplex == 0) |
|
2307 phyreg |= PHY_HALF; |
|
2308 if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_100) |
|
2309 phyreg |= PHY_100; |
|
2310 else if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) |
|
2311 phyreg |= PHY_1000; |
|
2312 writel(phyreg, base + NvRegPhyInterface); |
|
2313 |
|
2314 if (phyreg & PHY_RGMII) { |
|
2315 if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) |
|
2316 txreg = NVREG_TX_DEFERRAL_RGMII_1000; |
|
2317 else |
|
2318 txreg = NVREG_TX_DEFERRAL_RGMII_10_100; |
|
2319 } else { |
|
2320 txreg = NVREG_TX_DEFERRAL_DEFAULT; |
|
2321 } |
|
2322 writel(txreg, base + NvRegTxDeferral); |
|
2323 |
|
2324 if (np->desc_ver == DESC_VER_1) { |
|
2325 txreg = NVREG_TX_WM_DESC1_DEFAULT; |
|
2326 } else { |
|
2327 if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) |
|
2328 txreg = NVREG_TX_WM_DESC2_3_1000; |
|
2329 else |
|
2330 txreg = NVREG_TX_WM_DESC2_3_DEFAULT; |
|
2331 } |
|
2332 writel(txreg, base + NvRegTxWatermark); |
|
2333 |
|
2334 writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD), |
|
2335 base + NvRegMisc1); |
|
2336 pci_push(base); |
|
2337 writel(np->linkspeed, base + NvRegLinkSpeed); |
|
2338 pci_push(base); |
|
2339 |
|
2340 pause_flags = 0; |
|
2341 /* setup pause frame */ |
|
2342 if (np->duplex != 0) { |
|
2343 if (np->autoneg && np->pause_flags & NV_PAUSEFRAME_AUTONEG) { |
|
2344 adv_pause = adv & (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM); |
|
2345 lpa_pause = lpa & (LPA_PAUSE_CAP| LPA_PAUSE_ASYM); |
|
2346 |
|
2347 switch (adv_pause) { |
|
2348 case ADVERTISE_PAUSE_CAP: |
|
2349 if (lpa_pause & LPA_PAUSE_CAP) { |
|
2350 pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
|
2351 if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) |
|
2352 pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
|
2353 } |
|
2354 break; |
|
2355 case ADVERTISE_PAUSE_ASYM: |
|
2356 if (lpa_pause == (LPA_PAUSE_CAP| LPA_PAUSE_ASYM)) |
|
2357 { |
|
2358 pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
|
2359 } |
|
2360 break; |
|
2361 case ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM: |
|
2362 if (lpa_pause & LPA_PAUSE_CAP) |
|
2363 { |
|
2364 pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
|
2365 if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) |
|
2366 pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
|
2367 } |
|
2368 if (lpa_pause == LPA_PAUSE_ASYM) |
|
2369 { |
|
2370 pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
|
2371 } |
|
2372 break; |
|
2373 } |
|
2374 } else { |
|
2375 pause_flags = np->pause_flags; |
|
2376 } |
|
2377 } |
|
2378 nv_update_pause(dev, pause_flags); |
|
2379 |
|
2380 return retval; |
|
2381 } |
|
2382 |
|
2383 static void nv_linkchange(struct net_device *dev) |
|
2384 { |
|
2385 struct fe_priv *np = netdev_priv(dev); |
|
2386 |
|
2387 if (np->ecdev) { |
|
2388 int link = nv_update_linkspeed(dev); |
|
2389 ecdev_set_link(np->ecdev, link); |
|
2390 return; |
|
2391 } |
|
2392 |
|
2393 if (nv_update_linkspeed(dev)) { |
|
2394 if (!netif_carrier_ok(dev)) { |
|
2395 netif_carrier_on(dev); |
|
2396 printk(KERN_INFO "%s: link up.\n", dev->name); |
|
2397 nv_start_rx(dev); |
|
2398 } |
|
2399 } else { |
|
2400 if (netif_carrier_ok(dev)) { |
|
2401 netif_carrier_off(dev); |
|
2402 printk(KERN_INFO "%s: link down.\n", dev->name); |
|
2403 nv_stop_rx(dev); |
|
2404 } |
|
2405 } |
|
2406 } |
|
2407 |
|
2408 static void nv_link_irq(struct net_device *dev) |
|
2409 { |
|
2410 u8 __iomem *base = get_hwbase(dev); |
|
2411 u32 miistat; |
|
2412 |
|
2413 miistat = readl(base + NvRegMIIStatus); |
|
2414 writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); |
|
2415 dprintk(KERN_INFO "%s: link change irq, status 0x%x.\n", dev->name, miistat); |
|
2416 |
|
2417 if (miistat & (NVREG_MIISTAT_LINKCHANGE)) |
|
2418 nv_linkchange(dev); |
|
2419 dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); |
|
2420 } |
|
2421 |
|
2422 static irqreturn_t nv_nic_irq(int foo, void *data) |
|
2423 { |
|
2424 struct net_device *dev = (struct net_device *) data; |
|
2425 struct fe_priv *np = netdev_priv(dev); |
|
2426 u8 __iomem *base = get_hwbase(dev); |
|
2427 u32 events; |
|
2428 int i; |
|
2429 |
|
2430 dprintk(KERN_DEBUG "%s: nv_nic_irq\n", dev->name); |
|
2431 |
|
2432 for (i=0; ; i++) { |
|
2433 if (!(np->msi_flags & NV_MSI_X_ENABLED)) { |
|
2434 events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; |
|
2435 writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
|
2436 } else { |
|
2437 events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; |
|
2438 writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); |
|
2439 } |
|
2440 pci_push(base); |
|
2441 dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
|
2442 if (!(events & np->irqmask)) |
|
2443 break; |
|
2444 |
|
2445 if (!np->ecdev) spin_lock(&np->lock); |
|
2446 nv_tx_done(dev); |
|
2447 if (!np->ecdev) spin_unlock(&np->lock); |
|
2448 |
|
2449 if (events & NVREG_IRQ_LINK) { |
|
2450 if (!np->ecdev) spin_lock(&np->lock); |
|
2451 nv_link_irq(dev); |
|
2452 if (!np->ecdev) spin_unlock(&np->lock); |
|
2453 } |
|
2454 if (np->need_linktimer && time_after(jiffies, np->link_timeout)) { |
|
2455 if (!np->ecdev) spin_lock(&np->lock); |
|
2456 nv_linkchange(dev); |
|
2457 if (!np->ecdev) spin_unlock(&np->lock); |
|
2458 np->link_timeout = jiffies + LINK_TIMEOUT; |
|
2459 } |
|
2460 if (events & (NVREG_IRQ_TX_ERR)) { |
|
2461 dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
|
2462 dev->name, events); |
|
2463 } |
|
2464 if (events & (NVREG_IRQ_UNKNOWN)) { |
|
2465 printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
|
2466 dev->name, events); |
|
2467 } |
|
2468 #ifdef CONFIG_FORCEDETH_NAPI |
|
2469 if (events & NVREG_IRQ_RX_ALL) { |
|
2470 if (np->ecdev) { |
|
2471 nv_rx_process(dev, dev->weight); |
|
2472 } |
|
2473 else { |
|
2474 netif_rx_schedule(dev); |
|
2475 |
|
2476 /* Disable furthur receive irq's */ |
|
2477 spin_lock(&np->lock); |
|
2478 np->irqmask &= ~NVREG_IRQ_RX_ALL; |
|
2479 |
|
2480 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
2481 writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); |
|
2482 else |
|
2483 writel(np->irqmask, base + NvRegIrqMask); |
|
2484 spin_unlock(&np->lock); |
|
2485 } |
|
2486 } |
|
2487 #else |
|
2488 nv_rx_process(dev, dev->weight); |
|
2489 if (nv_alloc_rx(dev) && !np->ecdev) { |
|
2490 spin_lock(&np->lock); |
|
2491 if (!np->in_shutdown) |
|
2492 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
2493 spin_unlock(&np->lock); |
|
2494 } |
|
2495 #endif |
|
2496 if (i > max_interrupt_work) { |
|
2497 if (!np->ecdev) { |
|
2498 spin_lock(&np->lock); |
|
2499 /* disable interrupts on the nic */ |
|
2500 if (!(np->msi_flags & NV_MSI_X_ENABLED)) |
|
2501 writel(0, base + NvRegIrqMask); |
|
2502 else |
|
2503 writel(np->irqmask, base + NvRegIrqMask); |
|
2504 pci_push(base); |
|
2505 |
|
2506 if (!np->in_shutdown) { |
|
2507 np->nic_poll_irq = np->irqmask; |
|
2508 mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
|
2509 } |
|
2510 spin_unlock(&np->lock); |
|
2511 } |
|
2512 printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); |
|
2513 break; |
|
2514 } |
|
2515 |
|
2516 } |
|
2517 dprintk(KERN_DEBUG "%s: nv_nic_irq completed\n", dev->name); |
|
2518 |
|
2519 return IRQ_RETVAL(i); |
|
2520 } |
|
2521 |
|
2522 static irqreturn_t nv_nic_irq_tx(int foo, void *data) |
|
2523 { |
|
2524 struct net_device *dev = (struct net_device *) data; |
|
2525 struct fe_priv *np = netdev_priv(dev); |
|
2526 u8 __iomem *base = get_hwbase(dev); |
|
2527 u32 events; |
|
2528 int i; |
|
2529 unsigned long flags = 0; |
|
2530 |
|
2531 dprintk(KERN_DEBUG "%s: nv_nic_irq_tx\n", dev->name); |
|
2532 |
|
2533 for (i=0; ; i++) { |
|
2534 events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_TX_ALL; |
|
2535 writel(NVREG_IRQ_TX_ALL, base + NvRegMSIXIrqStatus); |
|
2536 pci_push(base); |
|
2537 dprintk(KERN_DEBUG "%s: tx irq: %08x\n", dev->name, events); |
|
2538 if (!(events & np->irqmask)) |
|
2539 break; |
|
2540 |
|
2541 if (!np->ecdev) spin_lock_irqsave(&np->lock, flags); |
|
2542 nv_tx_done(dev); |
|
2543 if (!np->ecdev) spin_unlock_irqrestore(&np->lock, flags); |
|
2544 |
|
2545 if (events & (NVREG_IRQ_TX_ERR)) { |
|
2546 dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
|
2547 dev->name, events); |
|
2548 } |
|
2549 if (i > max_interrupt_work) { |
|
2550 if (!np->ecdev) { |
|
2551 spin_lock_irqsave(&np->lock, flags); |
|
2552 /* disable interrupts on the nic */ |
|
2553 writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask); |
|
2554 pci_push(base); |
|
2555 |
|
2556 if (!np->in_shutdown) { |
|
2557 np->nic_poll_irq |= NVREG_IRQ_TX_ALL; |
|
2558 mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
|
2559 } |
|
2560 spin_unlock_irqrestore(&np->lock, flags); |
|
2561 } |
|
2562 printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i); |
|
2563 break; |
|
2564 } |
|
2565 |
|
2566 } |
|
2567 dprintk(KERN_DEBUG "%s: nv_nic_irq_tx completed\n", dev->name); |
|
2568 |
|
2569 return IRQ_RETVAL(i); |
|
2570 } |
|
2571 |
|
2572 #ifdef CONFIG_FORCEDETH_NAPI |
|
2573 static int nv_napi_poll(struct net_device *dev, int *budget) |
|
2574 { |
|
2575 int pkts, limit = min(*budget, dev->quota); |
|
2576 struct fe_priv *np = netdev_priv(dev); |
|
2577 u8 __iomem *base = get_hwbase(dev); |
|
2578 |
|
2579 pkts = nv_rx_process(dev, limit); |
|
2580 |
|
2581 if (nv_alloc_rx(dev)) { |
|
2582 spin_lock_irq(&np->lock); |
|
2583 if (!np->in_shutdown) |
|
2584 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
2585 spin_unlock_irq(&np->lock); |
|
2586 } |
|
2587 |
|
2588 if (pkts < limit) { |
|
2589 /* all done, no more packets present */ |
|
2590 netif_rx_complete(dev); |
|
2591 |
|
2592 /* re-enable receive interrupts */ |
|
2593 spin_lock_irq(&np->lock); |
|
2594 np->irqmask |= NVREG_IRQ_RX_ALL; |
|
2595 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
2596 writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); |
|
2597 else |
|
2598 writel(np->irqmask, base + NvRegIrqMask); |
|
2599 spin_unlock_irq(&np->lock); |
|
2600 return 0; |
|
2601 } else { |
|
2602 /* used up our quantum, so reschedule */ |
|
2603 dev->quota -= pkts; |
|
2604 *budget -= pkts; |
|
2605 return 1; |
|
2606 } |
|
2607 } |
|
2608 #endif |
|
2609 |
|
2610 #ifdef CONFIG_FORCEDETH_NAPI |
|
2611 static irqreturn_t nv_nic_irq_rx(int foo, void *data) |
|
2612 { |
|
2613 struct net_device *dev = (struct net_device *) data; |
|
2614 struct fe_priv *np = netdev_priv(dev); |
|
2615 u8 __iomem *base = get_hwbase(dev); |
|
2616 u32 events; |
|
2617 |
|
2618 events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; |
|
2619 writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); |
|
2620 |
|
2621 if (events && !np->ecdev) { |
|
2622 netif_rx_schedule(dev); |
|
2623 /* disable receive interrupts on the nic */ |
|
2624 writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); |
|
2625 pci_push(base); |
|
2626 } |
|
2627 return IRQ_HANDLED; |
|
2628 } |
|
2629 #else |
|
2630 static irqreturn_t nv_nic_irq_rx(int foo, void *data) |
|
2631 { |
|
2632 struct net_device *dev = (struct net_device *) data; |
|
2633 struct fe_priv *np = netdev_priv(dev); |
|
2634 u8 __iomem *base = get_hwbase(dev); |
|
2635 u32 events; |
|
2636 int i; |
|
2637 unsigned long flags; |
|
2638 |
|
2639 dprintk(KERN_DEBUG "%s: nv_nic_irq_rx\n", dev->name); |
|
2640 |
|
2641 for (i=0; ; i++) { |
|
2642 events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; |
|
2643 writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); |
|
2644 pci_push(base); |
|
2645 dprintk(KERN_DEBUG "%s: rx irq: %08x\n", dev->name, events); |
|
2646 if (!(events & np->irqmask)) |
|
2647 break; |
|
2648 |
|
2649 nv_rx_process(dev, dev->weight); |
|
2650 if (nv_alloc_rx(dev) && !np->ecdev) { |
|
2651 spin_lock_irqsave(&np->lock, flags); |
|
2652 if (!np->in_shutdown) |
|
2653 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
2654 spin_unlock_irqrestore(&np->lock, flags); |
|
2655 } |
|
2656 |
|
2657 if (i > max_interrupt_work) { |
|
2658 if (!np->ecdev) { |
|
2659 spin_lock_irqsave(&np->lock, flags); |
|
2660 /* disable interrupts on the nic */ |
|
2661 writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); |
|
2662 pci_push(base); |
|
2663 |
|
2664 if (!np->in_shutdown) { |
|
2665 np->nic_poll_irq |= NVREG_IRQ_RX_ALL; |
|
2666 mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
|
2667 } |
|
2668 spin_unlock_irqrestore(&np->lock, flags); |
|
2669 } |
|
2670 printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i); |
|
2671 break; |
|
2672 } |
|
2673 } |
|
2674 dprintk(KERN_DEBUG "%s: nv_nic_irq_rx completed\n", dev->name); |
|
2675 |
|
2676 return IRQ_RETVAL(i); |
|
2677 } |
|
2678 #endif |
|
2679 |
|
2680 static irqreturn_t nv_nic_irq_other(int foo, void *data) |
|
2681 { |
|
2682 struct net_device *dev = (struct net_device *) data; |
|
2683 struct fe_priv *np = netdev_priv(dev); |
|
2684 u8 __iomem *base = get_hwbase(dev); |
|
2685 u32 events; |
|
2686 int i; |
|
2687 unsigned long flags = 0; |
|
2688 |
|
2689 dprintk(KERN_DEBUG "%s: nv_nic_irq_other\n", dev->name); |
|
2690 |
|
2691 for (i=0; ; i++) { |
|
2692 events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_OTHER; |
|
2693 writel(NVREG_IRQ_OTHER, base + NvRegMSIXIrqStatus); |
|
2694 pci_push(base); |
|
2695 dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
|
2696 if (!(events & np->irqmask)) |
|
2697 break; |
|
2698 |
|
2699 if (events & NVREG_IRQ_LINK) { |
|
2700 if (!np->ecdev) spin_lock_irqsave(&np->lock, flags); |
|
2701 nv_link_irq(dev); |
|
2702 if (!np->ecdev) spin_unlock_irqrestore(&np->lock, flags); |
|
2703 } |
|
2704 if (np->need_linktimer && time_after(jiffies, np->link_timeout)) { |
|
2705 if (!np->ecdev) spin_lock_irqsave(&np->lock, flags); |
|
2706 nv_linkchange(dev); |
|
2707 if (!np->ecdev) spin_unlock_irqrestore(&np->lock, flags); |
|
2708 np->link_timeout = jiffies + LINK_TIMEOUT; |
|
2709 } |
|
2710 if (events & (NVREG_IRQ_UNKNOWN)) { |
|
2711 printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
|
2712 dev->name, events); |
|
2713 } |
|
2714 if (i > max_interrupt_work) { |
|
2715 if (!np->ecdev) { |
|
2716 spin_lock_irqsave(&np->lock, flags); |
|
2717 /* disable interrupts on the nic */ |
|
2718 writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); |
|
2719 pci_push(base); |
|
2720 |
|
2721 if (!np->in_shutdown) { |
|
2722 np->nic_poll_irq |= NVREG_IRQ_OTHER; |
|
2723 mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
|
2724 } |
|
2725 spin_unlock_irqrestore(&np->lock, flags); |
|
2726 } |
|
2727 printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i); |
|
2728 break; |
|
2729 } |
|
2730 |
|
2731 } |
|
2732 dprintk(KERN_DEBUG "%s: nv_nic_irq_other completed\n", dev->name); |
|
2733 |
|
2734 return IRQ_RETVAL(i); |
|
2735 } |
|
2736 |
|
2737 static irqreturn_t nv_nic_irq_test(int foo, void *data) |
|
2738 { |
|
2739 struct net_device *dev = (struct net_device *) data; |
|
2740 struct fe_priv *np = netdev_priv(dev); |
|
2741 u8 __iomem *base = get_hwbase(dev); |
|
2742 u32 events; |
|
2743 |
|
2744 dprintk(KERN_DEBUG "%s: nv_nic_irq_test\n", dev->name); |
|
2745 |
|
2746 if (!(np->msi_flags & NV_MSI_X_ENABLED)) { |
|
2747 events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; |
|
2748 writel(NVREG_IRQ_TIMER, base + NvRegIrqStatus); |
|
2749 } else { |
|
2750 events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; |
|
2751 writel(NVREG_IRQ_TIMER, base + NvRegMSIXIrqStatus); |
|
2752 } |
|
2753 pci_push(base); |
|
2754 dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
|
2755 if (!(events & NVREG_IRQ_TIMER)) |
|
2756 return IRQ_RETVAL(0); |
|
2757 |
|
2758 spin_lock(&np->lock); |
|
2759 np->intr_test = 1; |
|
2760 spin_unlock(&np->lock); |
|
2761 |
|
2762 dprintk(KERN_DEBUG "%s: nv_nic_irq_test completed\n", dev->name); |
|
2763 |
|
2764 return IRQ_RETVAL(1); |
|
2765 } |
|
2766 |
|
2767 static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask) |
|
2768 { |
|
2769 u8 __iomem *base = get_hwbase(dev); |
|
2770 int i; |
|
2771 u32 msixmap = 0; |
|
2772 |
|
2773 /* Each interrupt bit can be mapped to a MSIX vector (4 bits). |
|
2774 * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents |
|
2775 * the remaining 8 interrupts. |
|
2776 */ |
|
2777 for (i = 0; i < 8; i++) { |
|
2778 if ((irqmask >> i) & 0x1) { |
|
2779 msixmap |= vector << (i << 2); |
|
2780 } |
|
2781 } |
|
2782 writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0); |
|
2783 |
|
2784 msixmap = 0; |
|
2785 for (i = 0; i < 8; i++) { |
|
2786 if ((irqmask >> (i + 8)) & 0x1) { |
|
2787 msixmap |= vector << (i << 2); |
|
2788 } |
|
2789 } |
|
2790 writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1); |
|
2791 } |
|
2792 |
|
2793 static int nv_request_irq(struct net_device *dev, int intr_test) |
|
2794 { |
|
2795 struct fe_priv *np = get_nvpriv(dev); |
|
2796 u8 __iomem *base = get_hwbase(dev); |
|
2797 int ret = 1; |
|
2798 int i; |
|
2799 |
|
2800 if (np->msi_flags & NV_MSI_X_CAPABLE) { |
|
2801 for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { |
|
2802 np->msi_x_entry[i].entry = i; |
|
2803 } |
|
2804 if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { |
|
2805 np->msi_flags |= NV_MSI_X_ENABLED; |
|
2806 if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT && !intr_test) { |
|
2807 /* Request irq for rx handling */ |
|
2808 if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, IRQF_SHARED, dev->name, dev) != 0) { |
|
2809 printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); |
|
2810 pci_disable_msix(np->pci_dev); |
|
2811 np->msi_flags &= ~NV_MSI_X_ENABLED; |
|
2812 goto out_err; |
|
2813 } |
|
2814 /* Request irq for tx handling */ |
|
2815 if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, IRQF_SHARED, dev->name, dev) != 0) { |
|
2816 printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); |
|
2817 pci_disable_msix(np->pci_dev); |
|
2818 np->msi_flags &= ~NV_MSI_X_ENABLED; |
|
2819 goto out_free_rx; |
|
2820 } |
|
2821 /* Request irq for link and timer handling */ |
|
2822 if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, IRQF_SHARED, dev->name, dev) != 0) { |
|
2823 printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); |
|
2824 pci_disable_msix(np->pci_dev); |
|
2825 np->msi_flags &= ~NV_MSI_X_ENABLED; |
|
2826 goto out_free_tx; |
|
2827 } |
|
2828 /* map interrupts to their respective vector */ |
|
2829 writel(0, base + NvRegMSIXMap0); |
|
2830 writel(0, base + NvRegMSIXMap1); |
|
2831 set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); |
|
2832 set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); |
|
2833 set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); |
|
2834 } else { |
|
2835 /* Request irq for all interrupts */ |
|
2836 if ((!intr_test && |
|
2837 request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, IRQF_SHARED, dev->name, dev) != 0) || |
|
2838 (intr_test && |
|
2839 request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq_test, IRQF_SHARED, dev->name, dev) != 0)) { |
|
2840 printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
|
2841 pci_disable_msix(np->pci_dev); |
|
2842 np->msi_flags &= ~NV_MSI_X_ENABLED; |
|
2843 goto out_err; |
|
2844 } |
|
2845 |
|
2846 /* map interrupts to vector 0 */ |
|
2847 writel(0, base + NvRegMSIXMap0); |
|
2848 writel(0, base + NvRegMSIXMap1); |
|
2849 } |
|
2850 } |
|
2851 } |
|
2852 if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { |
|
2853 if ((ret = pci_enable_msi(np->pci_dev)) == 0) { |
|
2854 pci_intx(np->pci_dev, 0); |
|
2855 np->msi_flags |= NV_MSI_ENABLED; |
|
2856 if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, IRQF_SHARED, dev->name, dev) != 0) || |
|
2857 (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, IRQF_SHARED, dev->name, dev) != 0)) { |
|
2858 printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
|
2859 pci_disable_msi(np->pci_dev); |
|
2860 pci_intx(np->pci_dev, 1); |
|
2861 np->msi_flags &= ~NV_MSI_ENABLED; |
|
2862 goto out_err; |
|
2863 } |
|
2864 |
|
2865 /* map interrupts to vector 0 */ |
|
2866 writel(0, base + NvRegMSIMap0); |
|
2867 writel(0, base + NvRegMSIMap1); |
|
2868 /* enable msi vector 0 */ |
|
2869 writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); |
|
2870 } |
|
2871 } |
|
2872 if (ret != 0) { |
|
2873 if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, IRQF_SHARED, dev->name, dev) != 0) || |
|
2874 (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, IRQF_SHARED, dev->name, dev) != 0)) |
|
2875 goto out_err; |
|
2876 |
|
2877 } |
|
2878 |
|
2879 return 0; |
|
2880 out_free_tx: |
|
2881 free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev); |
|
2882 out_free_rx: |
|
2883 free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev); |
|
2884 out_err: |
|
2885 return 1; |
|
2886 } |
|
2887 |
|
2888 static void nv_free_irq(struct net_device *dev) |
|
2889 { |
|
2890 struct fe_priv *np = get_nvpriv(dev); |
|
2891 int i; |
|
2892 |
|
2893 if (np->msi_flags & NV_MSI_X_ENABLED) { |
|
2894 for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { |
|
2895 free_irq(np->msi_x_entry[i].vector, dev); |
|
2896 } |
|
2897 pci_disable_msix(np->pci_dev); |
|
2898 np->msi_flags &= ~NV_MSI_X_ENABLED; |
|
2899 } else { |
|
2900 free_irq(np->pci_dev->irq, dev); |
|
2901 if (np->msi_flags & NV_MSI_ENABLED) { |
|
2902 pci_disable_msi(np->pci_dev); |
|
2903 pci_intx(np->pci_dev, 1); |
|
2904 np->msi_flags &= ~NV_MSI_ENABLED; |
|
2905 } |
|
2906 } |
|
2907 } |
|
2908 |
|
2909 void ec_poll(struct net_device *dev) |
|
2910 { |
|
2911 struct fe_priv *np = netdev_priv(dev); |
|
2912 |
|
2913 if (!using_multi_irqs(dev)) { |
|
2914 nv_nic_irq(0, dev); |
|
2915 } else { |
|
2916 if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { |
|
2917 nv_nic_irq_rx(0, dev); |
|
2918 } |
|
2919 if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { |
|
2920 nv_nic_irq_tx(0, dev); |
|
2921 } |
|
2922 if (np->nic_poll_irq & NVREG_IRQ_OTHER) { |
|
2923 nv_nic_irq_other(0, dev); |
|
2924 } |
|
2925 } |
|
2926 } |
|
2927 |
|
2928 static void nv_do_nic_poll(unsigned long data) |
|
2929 { |
|
2930 struct net_device *dev = (struct net_device *) data; |
|
2931 struct fe_priv *np = netdev_priv(dev); |
|
2932 u8 __iomem *base = get_hwbase(dev); |
|
2933 u32 mask = 0; |
|
2934 |
|
2935 /* |
|
2936 * First disable irq(s) and then |
|
2937 * reenable interrupts on the nic, we have to do this before calling |
|
2938 * nv_nic_irq because that may decide to do otherwise |
|
2939 */ |
|
2940 |
|
2941 if (!using_multi_irqs(dev)) { |
|
2942 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
2943 disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
|
2944 else |
|
2945 disable_irq_lockdep(dev->irq); |
|
2946 mask = np->irqmask; |
|
2947 } else { |
|
2948 if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { |
|
2949 disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
|
2950 mask |= NVREG_IRQ_RX_ALL; |
|
2951 } |
|
2952 if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { |
|
2953 disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
|
2954 mask |= NVREG_IRQ_TX_ALL; |
|
2955 } |
|
2956 if (np->nic_poll_irq & NVREG_IRQ_OTHER) { |
|
2957 disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
|
2958 mask |= NVREG_IRQ_OTHER; |
|
2959 } |
|
2960 } |
|
2961 np->nic_poll_irq = 0; |
|
2962 |
|
2963 /* FIXME: Do we need synchronize_irq(dev->irq) here? */ |
|
2964 |
|
2965 writel(mask, base + NvRegIrqMask); |
|
2966 pci_push(base); |
|
2967 |
|
2968 if (!using_multi_irqs(dev)) { |
|
2969 nv_nic_irq(0, dev); |
|
2970 if (np->msi_flags & NV_MSI_X_ENABLED) |
|
2971 enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
|
2972 else |
|
2973 enable_irq_lockdep(dev->irq); |
|
2974 } else { |
|
2975 if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { |
|
2976 nv_nic_irq_rx(0, dev); |
|
2977 enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
|
2978 } |
|
2979 if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { |
|
2980 nv_nic_irq_tx(0, dev); |
|
2981 enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
|
2982 } |
|
2983 if (np->nic_poll_irq & NVREG_IRQ_OTHER) { |
|
2984 nv_nic_irq_other(0, dev); |
|
2985 enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
|
2986 } |
|
2987 } |
|
2988 } |
|
2989 |
|
2990 #ifdef CONFIG_NET_POLL_CONTROLLER |
|
2991 static void nv_poll_controller(struct net_device *dev) |
|
2992 { |
|
2993 nv_do_nic_poll((unsigned long) dev); |
|
2994 } |
|
2995 #endif |
|
2996 |
|
2997 static void nv_do_stats_poll(unsigned long data) |
|
2998 { |
|
2999 struct net_device *dev = (struct net_device *) data; |
|
3000 struct fe_priv *np = netdev_priv(dev); |
|
3001 u8 __iomem *base = get_hwbase(dev); |
|
3002 |
|
3003 np->estats.tx_bytes += readl(base + NvRegTxCnt); |
|
3004 np->estats.tx_zero_rexmt += readl(base + NvRegTxZeroReXmt); |
|
3005 np->estats.tx_one_rexmt += readl(base + NvRegTxOneReXmt); |
|
3006 np->estats.tx_many_rexmt += readl(base + NvRegTxManyReXmt); |
|
3007 np->estats.tx_late_collision += readl(base + NvRegTxLateCol); |
|
3008 np->estats.tx_fifo_errors += readl(base + NvRegTxUnderflow); |
|
3009 np->estats.tx_carrier_errors += readl(base + NvRegTxLossCarrier); |
|
3010 np->estats.tx_excess_deferral += readl(base + NvRegTxExcessDef); |
|
3011 np->estats.tx_retry_error += readl(base + NvRegTxRetryErr); |
|
3012 np->estats.tx_deferral += readl(base + NvRegTxDef); |
|
3013 np->estats.tx_packets += readl(base + NvRegTxFrame); |
|
3014 np->estats.tx_pause += readl(base + NvRegTxPause); |
|
3015 np->estats.rx_frame_error += readl(base + NvRegRxFrameErr); |
|
3016 np->estats.rx_extra_byte += readl(base + NvRegRxExtraByte); |
|
3017 np->estats.rx_late_collision += readl(base + NvRegRxLateCol); |
|
3018 np->estats.rx_runt += readl(base + NvRegRxRunt); |
|
3019 np->estats.rx_frame_too_long += readl(base + NvRegRxFrameTooLong); |
|
3020 np->estats.rx_over_errors += readl(base + NvRegRxOverflow); |
|
3021 np->estats.rx_crc_errors += readl(base + NvRegRxFCSErr); |
|
3022 np->estats.rx_frame_align_error += readl(base + NvRegRxFrameAlignErr); |
|
3023 np->estats.rx_length_error += readl(base + NvRegRxLenErr); |
|
3024 np->estats.rx_unicast += readl(base + NvRegRxUnicast); |
|
3025 np->estats.rx_multicast += readl(base + NvRegRxMulticast); |
|
3026 np->estats.rx_broadcast += readl(base + NvRegRxBroadcast); |
|
3027 np->estats.rx_bytes += readl(base + NvRegRxCnt); |
|
3028 np->estats.rx_pause += readl(base + NvRegRxPause); |
|
3029 np->estats.rx_drop_frame += readl(base + NvRegRxDropFrame); |
|
3030 np->estats.rx_packets = |
|
3031 np->estats.rx_unicast + |
|
3032 np->estats.rx_multicast + |
|
3033 np->estats.rx_broadcast; |
|
3034 np->estats.rx_errors_total = |
|
3035 np->estats.rx_crc_errors + |
|
3036 np->estats.rx_over_errors + |
|
3037 np->estats.rx_frame_error + |
|
3038 (np->estats.rx_frame_align_error - np->estats.rx_extra_byte) + |
|
3039 np->estats.rx_late_collision + |
|
3040 np->estats.rx_runt + |
|
3041 np->estats.rx_frame_too_long; |
|
3042 |
|
3043 if (!np->in_shutdown) |
|
3044 mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); |
|
3045 } |
|
3046 |
|
3047 static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
|
3048 { |
|
3049 struct fe_priv *np = netdev_priv(dev); |
|
3050 strcpy(info->driver, "forcedeth"); |
|
3051 strcpy(info->version, FORCEDETH_VERSION); |
|
3052 strcpy(info->bus_info, pci_name(np->pci_dev)); |
|
3053 } |
|
3054 |
|
3055 static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) |
|
3056 { |
|
3057 struct fe_priv *np = netdev_priv(dev); |
|
3058 wolinfo->supported = WAKE_MAGIC; |
|
3059 |
|
3060 spin_lock_irq(&np->lock); |
|
3061 if (np->wolenabled) |
|
3062 wolinfo->wolopts = WAKE_MAGIC; |
|
3063 spin_unlock_irq(&np->lock); |
|
3064 } |
|
3065 |
|
3066 static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) |
|
3067 { |
|
3068 struct fe_priv *np = netdev_priv(dev); |
|
3069 u8 __iomem *base = get_hwbase(dev); |
|
3070 u32 flags = 0; |
|
3071 |
|
3072 if (wolinfo->wolopts == 0) { |
|
3073 np->wolenabled = 0; |
|
3074 } else if (wolinfo->wolopts & WAKE_MAGIC) { |
|
3075 np->wolenabled = 1; |
|
3076 flags = NVREG_WAKEUPFLAGS_ENABLE; |
|
3077 } |
|
3078 if (netif_running(dev)) { |
|
3079 spin_lock_irq(&np->lock); |
|
3080 writel(flags, base + NvRegWakeUpFlags); |
|
3081 spin_unlock_irq(&np->lock); |
|
3082 } |
|
3083 return 0; |
|
3084 } |
|
3085 |
|
3086 static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
|
3087 { |
|
3088 struct fe_priv *np = netdev_priv(dev); |
|
3089 int adv; |
|
3090 |
|
3091 spin_lock_irq(&np->lock); |
|
3092 ecmd->port = PORT_MII; |
|
3093 if (!netif_running(dev)) { |
|
3094 /* We do not track link speed / duplex setting if the |
|
3095 * interface is disabled. Force a link check */ |
|
3096 if (nv_update_linkspeed(dev)) { |
|
3097 if (!netif_carrier_ok(dev)) |
|
3098 netif_carrier_on(dev); |
|
3099 } else { |
|
3100 if (netif_carrier_ok(dev)) |
|
3101 netif_carrier_off(dev); |
|
3102 } |
|
3103 } |
|
3104 |
|
3105 if (netif_carrier_ok(dev)) { |
|
3106 switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) { |
|
3107 case NVREG_LINKSPEED_10: |
|
3108 ecmd->speed = SPEED_10; |
|
3109 break; |
|
3110 case NVREG_LINKSPEED_100: |
|
3111 ecmd->speed = SPEED_100; |
|
3112 break; |
|
3113 case NVREG_LINKSPEED_1000: |
|
3114 ecmd->speed = SPEED_1000; |
|
3115 break; |
|
3116 } |
|
3117 ecmd->duplex = DUPLEX_HALF; |
|
3118 if (np->duplex) |
|
3119 ecmd->duplex = DUPLEX_FULL; |
|
3120 } else { |
|
3121 ecmd->speed = -1; |
|
3122 ecmd->duplex = -1; |
|
3123 } |
|
3124 |
|
3125 ecmd->autoneg = np->autoneg; |
|
3126 |
|
3127 ecmd->advertising = ADVERTISED_MII; |
|
3128 if (np->autoneg) { |
|
3129 ecmd->advertising |= ADVERTISED_Autoneg; |
|
3130 adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
|
3131 if (adv & ADVERTISE_10HALF) |
|
3132 ecmd->advertising |= ADVERTISED_10baseT_Half; |
|
3133 if (adv & ADVERTISE_10FULL) |
|
3134 ecmd->advertising |= ADVERTISED_10baseT_Full; |
|
3135 if (adv & ADVERTISE_100HALF) |
|
3136 ecmd->advertising |= ADVERTISED_100baseT_Half; |
|
3137 if (adv & ADVERTISE_100FULL) |
|
3138 ecmd->advertising |= ADVERTISED_100baseT_Full; |
|
3139 if (np->gigabit == PHY_GIGABIT) { |
|
3140 adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
|
3141 if (adv & ADVERTISE_1000FULL) |
|
3142 ecmd->advertising |= ADVERTISED_1000baseT_Full; |
|
3143 } |
|
3144 } |
|
3145 ecmd->supported = (SUPPORTED_Autoneg | |
|
3146 SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | |
|
3147 SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | |
|
3148 SUPPORTED_MII); |
|
3149 if (np->gigabit == PHY_GIGABIT) |
|
3150 ecmd->supported |= SUPPORTED_1000baseT_Full; |
|
3151 |
|
3152 ecmd->phy_address = np->phyaddr; |
|
3153 ecmd->transceiver = XCVR_EXTERNAL; |
|
3154 |
|
3155 /* ignore maxtxpkt, maxrxpkt for now */ |
|
3156 spin_unlock_irq(&np->lock); |
|
3157 return 0; |
|
3158 } |
|
3159 |
|
3160 static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
|
3161 { |
|
3162 struct fe_priv *np = netdev_priv(dev); |
|
3163 |
|
3164 if (ecmd->port != PORT_MII) |
|
3165 return -EINVAL; |
|
3166 if (ecmd->transceiver != XCVR_EXTERNAL) |
|
3167 return -EINVAL; |
|
3168 if (ecmd->phy_address != np->phyaddr) { |
|
3169 /* TODO: support switching between multiple phys. Should be |
|
3170 * trivial, but not enabled due to lack of test hardware. */ |
|
3171 return -EINVAL; |
|
3172 } |
|
3173 if (ecmd->autoneg == AUTONEG_ENABLE) { |
|
3174 u32 mask; |
|
3175 |
|
3176 mask = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | |
|
3177 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full; |
|
3178 if (np->gigabit == PHY_GIGABIT) |
|
3179 mask |= ADVERTISED_1000baseT_Full; |
|
3180 |
|
3181 if ((ecmd->advertising & mask) == 0) |
|
3182 return -EINVAL; |
|
3183 |
|
3184 } else if (ecmd->autoneg == AUTONEG_DISABLE) { |
|
3185 /* Note: autonegotiation disable, speed 1000 intentionally |
|
3186 * forbidden - noone should need that. */ |
|
3187 |
|
3188 if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100) |
|
3189 return -EINVAL; |
|
3190 if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) |
|
3191 return -EINVAL; |
|
3192 } else { |
|
3193 return -EINVAL; |
|
3194 } |
|
3195 |
|
3196 netif_carrier_off(dev); |
|
3197 if (netif_running(dev)) { |
|
3198 nv_disable_irq(dev); |
|
3199 netif_tx_lock_bh(dev); |
|
3200 spin_lock(&np->lock); |
|
3201 /* stop engines */ |
|
3202 nv_stop_rx(dev); |
|
3203 nv_stop_tx(dev); |
|
3204 spin_unlock(&np->lock); |
|
3205 netif_tx_unlock_bh(dev); |
|
3206 } |
|
3207 |
|
3208 if (ecmd->autoneg == AUTONEG_ENABLE) { |
|
3209 int adv, bmcr; |
|
3210 |
|
3211 np->autoneg = 1; |
|
3212 |
|
3213 /* advertise only what has been requested */ |
|
3214 adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
|
3215 adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
|
3216 if (ecmd->advertising & ADVERTISED_10baseT_Half) |
|
3217 adv |= ADVERTISE_10HALF; |
|
3218 if (ecmd->advertising & ADVERTISED_10baseT_Full) |
|
3219 adv |= ADVERTISE_10FULL; |
|
3220 if (ecmd->advertising & ADVERTISED_100baseT_Half) |
|
3221 adv |= ADVERTISE_100HALF; |
|
3222 if (ecmd->advertising & ADVERTISED_100baseT_Full) |
|
3223 adv |= ADVERTISE_100FULL; |
|
3224 if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ |
|
3225 adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
|
3226 if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) |
|
3227 adv |= ADVERTISE_PAUSE_ASYM; |
|
3228 mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
|
3229 |
|
3230 if (np->gigabit == PHY_GIGABIT) { |
|
3231 adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
|
3232 adv &= ~ADVERTISE_1000FULL; |
|
3233 if (ecmd->advertising & ADVERTISED_1000baseT_Full) |
|
3234 adv |= ADVERTISE_1000FULL; |
|
3235 mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
|
3236 } |
|
3237 |
|
3238 if (netif_running(dev)) |
|
3239 printk(KERN_INFO "%s: link down.\n", dev->name); |
|
3240 bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
3241 if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
|
3242 bmcr |= BMCR_ANENABLE; |
|
3243 /* reset the phy in order for settings to stick, |
|
3244 * and cause autoneg to start */ |
|
3245 if (phy_reset(dev, bmcr)) { |
|
3246 printk(KERN_INFO "%s: phy reset failed\n", dev->name); |
|
3247 return -EINVAL; |
|
3248 } |
|
3249 } else { |
|
3250 bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); |
|
3251 mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
|
3252 } |
|
3253 } else { |
|
3254 int adv, bmcr; |
|
3255 |
|
3256 np->autoneg = 0; |
|
3257 |
|
3258 adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
|
3259 adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
|
3260 if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_HALF) |
|
3261 adv |= ADVERTISE_10HALF; |
|
3262 if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_FULL) |
|
3263 adv |= ADVERTISE_10FULL; |
|
3264 if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_HALF) |
|
3265 adv |= ADVERTISE_100HALF; |
|
3266 if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_FULL) |
|
3267 adv |= ADVERTISE_100FULL; |
|
3268 np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); |
|
3269 if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) {/* for rx we set both advertisments but disable tx pause */ |
|
3270 adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
|
3271 np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
|
3272 } |
|
3273 if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) { |
|
3274 adv |= ADVERTISE_PAUSE_ASYM; |
|
3275 np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
|
3276 } |
|
3277 mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
|
3278 np->fixed_mode = adv; |
|
3279 |
|
3280 if (np->gigabit == PHY_GIGABIT) { |
|
3281 adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
|
3282 adv &= ~ADVERTISE_1000FULL; |
|
3283 mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
|
3284 } |
|
3285 |
|
3286 bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
3287 bmcr &= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_SPEED1000|BMCR_FULLDPLX); |
|
3288 if (np->fixed_mode & (ADVERTISE_10FULL|ADVERTISE_100FULL)) |
|
3289 bmcr |= BMCR_FULLDPLX; |
|
3290 if (np->fixed_mode & (ADVERTISE_100HALF|ADVERTISE_100FULL)) |
|
3291 bmcr |= BMCR_SPEED100; |
|
3292 if (np->phy_oui == PHY_OUI_MARVELL) { |
|
3293 /* reset the phy in order for forced mode settings to stick */ |
|
3294 if (phy_reset(dev, bmcr)) { |
|
3295 printk(KERN_INFO "%s: phy reset failed\n", dev->name); |
|
3296 return -EINVAL; |
|
3297 } |
|
3298 } else { |
|
3299 mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
|
3300 if (netif_running(dev)) { |
|
3301 /* Wait a bit and then reconfigure the nic. */ |
|
3302 udelay(10); |
|
3303 nv_linkchange(dev); |
|
3304 } |
|
3305 } |
|
3306 } |
|
3307 |
|
3308 if (netif_running(dev)) { |
|
3309 nv_start_rx(dev); |
|
3310 nv_start_tx(dev); |
|
3311 nv_enable_irq(dev); |
|
3312 } |
|
3313 |
|
3314 return 0; |
|
3315 } |
|
3316 |
|
3317 #define FORCEDETH_REGS_VER 1 |
|
3318 |
|
3319 static int nv_get_regs_len(struct net_device *dev) |
|
3320 { |
|
3321 struct fe_priv *np = netdev_priv(dev); |
|
3322 return np->register_size; |
|
3323 } |
|
3324 |
|
3325 static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf) |
|
3326 { |
|
3327 struct fe_priv *np = netdev_priv(dev); |
|
3328 u8 __iomem *base = get_hwbase(dev); |
|
3329 u32 *rbuf = buf; |
|
3330 int i; |
|
3331 |
|
3332 regs->version = FORCEDETH_REGS_VER; |
|
3333 spin_lock_irq(&np->lock); |
|
3334 for (i = 0;i <= np->register_size/sizeof(u32); i++) |
|
3335 rbuf[i] = readl(base + i*sizeof(u32)); |
|
3336 spin_unlock_irq(&np->lock); |
|
3337 } |
|
3338 |
|
3339 static int nv_nway_reset(struct net_device *dev) |
|
3340 { |
|
3341 struct fe_priv *np = netdev_priv(dev); |
|
3342 int ret; |
|
3343 |
|
3344 if (np->autoneg) { |
|
3345 int bmcr; |
|
3346 |
|
3347 netif_carrier_off(dev); |
|
3348 if (netif_running(dev)) { |
|
3349 nv_disable_irq(dev); |
|
3350 netif_tx_lock_bh(dev); |
|
3351 spin_lock(&np->lock); |
|
3352 /* stop engines */ |
|
3353 nv_stop_rx(dev); |
|
3354 nv_stop_tx(dev); |
|
3355 spin_unlock(&np->lock); |
|
3356 netif_tx_unlock_bh(dev); |
|
3357 printk(KERN_INFO "%s: link down.\n", dev->name); |
|
3358 } |
|
3359 |
|
3360 bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
3361 if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
|
3362 bmcr |= BMCR_ANENABLE; |
|
3363 /* reset the phy in order for settings to stick*/ |
|
3364 if (phy_reset(dev, bmcr)) { |
|
3365 printk(KERN_INFO "%s: phy reset failed\n", dev->name); |
|
3366 return -EINVAL; |
|
3367 } |
|
3368 } else { |
|
3369 bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); |
|
3370 mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
|
3371 } |
|
3372 |
|
3373 if (netif_running(dev)) { |
|
3374 nv_start_rx(dev); |
|
3375 nv_start_tx(dev); |
|
3376 nv_enable_irq(dev); |
|
3377 } |
|
3378 ret = 0; |
|
3379 } else { |
|
3380 ret = -EINVAL; |
|
3381 } |
|
3382 |
|
3383 return ret; |
|
3384 } |
|
3385 |
|
3386 static int nv_set_tso(struct net_device *dev, u32 value) |
|
3387 { |
|
3388 struct fe_priv *np = netdev_priv(dev); |
|
3389 |
|
3390 if ((np->driver_data & DEV_HAS_CHECKSUM)) |
|
3391 return ethtool_op_set_tso(dev, value); |
|
3392 else |
|
3393 return -EOPNOTSUPP; |
|
3394 } |
|
3395 |
|
3396 static void nv_get_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) |
|
3397 { |
|
3398 struct fe_priv *np = netdev_priv(dev); |
|
3399 |
|
3400 ring->rx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; |
|
3401 ring->rx_mini_max_pending = 0; |
|
3402 ring->rx_jumbo_max_pending = 0; |
|
3403 ring->tx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; |
|
3404 |
|
3405 ring->rx_pending = np->rx_ring_size; |
|
3406 ring->rx_mini_pending = 0; |
|
3407 ring->rx_jumbo_pending = 0; |
|
3408 ring->tx_pending = np->tx_ring_size; |
|
3409 } |
|
3410 |
|
3411 static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) |
|
3412 { |
|
3413 struct fe_priv *np = netdev_priv(dev); |
|
3414 u8 __iomem *base = get_hwbase(dev); |
|
3415 u8 *rxtx_ring, *rx_skbuff, *tx_skbuff, *rx_dma, *tx_dma, *tx_dma_len; |
|
3416 dma_addr_t ring_addr; |
|
3417 |
|
3418 if (ring->rx_pending < RX_RING_MIN || |
|
3419 ring->tx_pending < TX_RING_MIN || |
|
3420 ring->rx_mini_pending != 0 || |
|
3421 ring->rx_jumbo_pending != 0 || |
|
3422 (np->desc_ver == DESC_VER_1 && |
|
3423 (ring->rx_pending > RING_MAX_DESC_VER_1 || |
|
3424 ring->tx_pending > RING_MAX_DESC_VER_1)) || |
|
3425 (np->desc_ver != DESC_VER_1 && |
|
3426 (ring->rx_pending > RING_MAX_DESC_VER_2_3 || |
|
3427 ring->tx_pending > RING_MAX_DESC_VER_2_3))) { |
|
3428 return -EINVAL; |
|
3429 } |
|
3430 |
|
3431 /* allocate new rings */ |
|
3432 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
3433 rxtx_ring = pci_alloc_consistent(np->pci_dev, |
|
3434 sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), |
|
3435 &ring_addr); |
|
3436 } else { |
|
3437 rxtx_ring = pci_alloc_consistent(np->pci_dev, |
|
3438 sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), |
|
3439 &ring_addr); |
|
3440 } |
|
3441 rx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->rx_pending, GFP_KERNEL); |
|
3442 rx_dma = kmalloc(sizeof(dma_addr_t) * ring->rx_pending, GFP_KERNEL); |
|
3443 tx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->tx_pending, GFP_KERNEL); |
|
3444 tx_dma = kmalloc(sizeof(dma_addr_t) * ring->tx_pending, GFP_KERNEL); |
|
3445 tx_dma_len = kmalloc(sizeof(unsigned int) * ring->tx_pending, GFP_KERNEL); |
|
3446 if (!rxtx_ring || !rx_skbuff || !rx_dma || !tx_skbuff || !tx_dma || !tx_dma_len) { |
|
3447 /* fall back to old rings */ |
|
3448 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
3449 if (rxtx_ring) |
|
3450 pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), |
|
3451 rxtx_ring, ring_addr); |
|
3452 } else { |
|
3453 if (rxtx_ring) |
|
3454 pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), |
|
3455 rxtx_ring, ring_addr); |
|
3456 } |
|
3457 if (rx_skbuff) |
|
3458 kfree(rx_skbuff); |
|
3459 if (rx_dma) |
|
3460 kfree(rx_dma); |
|
3461 if (tx_skbuff) |
|
3462 kfree(tx_skbuff); |
|
3463 if (tx_dma) |
|
3464 kfree(tx_dma); |
|
3465 if (tx_dma_len) |
|
3466 kfree(tx_dma_len); |
|
3467 goto exit; |
|
3468 } |
|
3469 |
|
3470 if (netif_running(dev)) { |
|
3471 nv_disable_irq(dev); |
|
3472 netif_tx_lock_bh(dev); |
|
3473 spin_lock(&np->lock); |
|
3474 /* stop engines */ |
|
3475 nv_stop_rx(dev); |
|
3476 nv_stop_tx(dev); |
|
3477 nv_txrx_reset(dev); |
|
3478 /* drain queues */ |
|
3479 nv_drain_rx(dev); |
|
3480 nv_drain_tx(dev); |
|
3481 /* delete queues */ |
|
3482 free_rings(dev); |
|
3483 } |
|
3484 |
|
3485 /* set new values */ |
|
3486 np->rx_ring_size = ring->rx_pending; |
|
3487 np->tx_ring_size = ring->tx_pending; |
|
3488 np->tx_limit_stop = ring->tx_pending - TX_LIMIT_DIFFERENCE; |
|
3489 np->tx_limit_start = ring->tx_pending - TX_LIMIT_DIFFERENCE - 1; |
|
3490 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
3491 np->rx_ring.orig = (struct ring_desc*)rxtx_ring; |
|
3492 np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; |
|
3493 } else { |
|
3494 np->rx_ring.ex = (struct ring_desc_ex*)rxtx_ring; |
|
3495 np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; |
|
3496 } |
|
3497 np->rx_skbuff = (struct sk_buff**)rx_skbuff; |
|
3498 np->rx_dma = (dma_addr_t*)rx_dma; |
|
3499 np->tx_skbuff = (struct sk_buff**)tx_skbuff; |
|
3500 np->tx_dma = (dma_addr_t*)tx_dma; |
|
3501 np->tx_dma_len = (unsigned int*)tx_dma_len; |
|
3502 np->ring_addr = ring_addr; |
|
3503 |
|
3504 memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size); |
|
3505 memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size); |
|
3506 memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size); |
|
3507 memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size); |
|
3508 memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size); |
|
3509 |
|
3510 if (netif_running(dev)) { |
|
3511 /* reinit driver view of the queues */ |
|
3512 set_bufsize(dev); |
|
3513 if (nv_init_ring(dev)) { |
|
3514 if (!np->in_shutdown) |
|
3515 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
3516 } |
|
3517 |
|
3518 /* reinit nic view of the queues */ |
|
3519 writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
|
3520 setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
|
3521 writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
|
3522 base + NvRegRingSizes); |
|
3523 pci_push(base); |
|
3524 writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
|
3525 pci_push(base); |
|
3526 |
|
3527 /* restart engines */ |
|
3528 nv_start_rx(dev); |
|
3529 nv_start_tx(dev); |
|
3530 spin_unlock(&np->lock); |
|
3531 netif_tx_unlock_bh(dev); |
|
3532 nv_enable_irq(dev); |
|
3533 } |
|
3534 return 0; |
|
3535 exit: |
|
3536 return -ENOMEM; |
|
3537 } |
|
3538 |
|
3539 static void nv_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) |
|
3540 { |
|
3541 struct fe_priv *np = netdev_priv(dev); |
|
3542 |
|
3543 pause->autoneg = (np->pause_flags & NV_PAUSEFRAME_AUTONEG) != 0; |
|
3544 pause->rx_pause = (np->pause_flags & NV_PAUSEFRAME_RX_ENABLE) != 0; |
|
3545 pause->tx_pause = (np->pause_flags & NV_PAUSEFRAME_TX_ENABLE) != 0; |
|
3546 } |
|
3547 |
|
3548 static int nv_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) |
|
3549 { |
|
3550 struct fe_priv *np = netdev_priv(dev); |
|
3551 int adv, bmcr; |
|
3552 |
|
3553 if ((!np->autoneg && np->duplex == 0) || |
|
3554 (np->autoneg && !pause->autoneg && np->duplex == 0)) { |
|
3555 printk(KERN_INFO "%s: can not set pause settings when forced link is in half duplex.\n", |
|
3556 dev->name); |
|
3557 return -EINVAL; |
|
3558 } |
|
3559 if (pause->tx_pause && !(np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE)) { |
|
3560 printk(KERN_INFO "%s: hardware does not support tx pause frames.\n", dev->name); |
|
3561 return -EINVAL; |
|
3562 } |
|
3563 |
|
3564 netif_carrier_off(dev); |
|
3565 if (netif_running(dev)) { |
|
3566 nv_disable_irq(dev); |
|
3567 netif_tx_lock_bh(dev); |
|
3568 spin_lock(&np->lock); |
|
3569 /* stop engines */ |
|
3570 nv_stop_rx(dev); |
|
3571 nv_stop_tx(dev); |
|
3572 spin_unlock(&np->lock); |
|
3573 netif_tx_unlock_bh(dev); |
|
3574 } |
|
3575 |
|
3576 np->pause_flags &= ~(NV_PAUSEFRAME_RX_REQ|NV_PAUSEFRAME_TX_REQ); |
|
3577 if (pause->rx_pause) |
|
3578 np->pause_flags |= NV_PAUSEFRAME_RX_REQ; |
|
3579 if (pause->tx_pause) |
|
3580 np->pause_flags |= NV_PAUSEFRAME_TX_REQ; |
|
3581 |
|
3582 if (np->autoneg && pause->autoneg) { |
|
3583 np->pause_flags |= NV_PAUSEFRAME_AUTONEG; |
|
3584 |
|
3585 adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
|
3586 adv &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
|
3587 if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ |
|
3588 adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
|
3589 if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) |
|
3590 adv |= ADVERTISE_PAUSE_ASYM; |
|
3591 mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
|
3592 |
|
3593 if (netif_running(dev)) |
|
3594 printk(KERN_INFO "%s: link down.\n", dev->name); |
|
3595 bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
|
3596 bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); |
|
3597 mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
|
3598 } else { |
|
3599 np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); |
|
3600 if (pause->rx_pause) |
|
3601 np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
|
3602 if (pause->tx_pause) |
|
3603 np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
|
3604 |
|
3605 if (!netif_running(dev)) |
|
3606 nv_update_linkspeed(dev); |
|
3607 else |
|
3608 nv_update_pause(dev, np->pause_flags); |
|
3609 } |
|
3610 |
|
3611 if (netif_running(dev)) { |
|
3612 nv_start_rx(dev); |
|
3613 nv_start_tx(dev); |
|
3614 nv_enable_irq(dev); |
|
3615 } |
|
3616 return 0; |
|
3617 } |
|
3618 |
|
3619 static u32 nv_get_rx_csum(struct net_device *dev) |
|
3620 { |
|
3621 struct fe_priv *np = netdev_priv(dev); |
|
3622 return (np->rx_csum) != 0; |
|
3623 } |
|
3624 |
|
3625 static int nv_set_rx_csum(struct net_device *dev, u32 data) |
|
3626 { |
|
3627 struct fe_priv *np = netdev_priv(dev); |
|
3628 u8 __iomem *base = get_hwbase(dev); |
|
3629 int retcode = 0; |
|
3630 |
|
3631 if (np->driver_data & DEV_HAS_CHECKSUM) { |
|
3632 if (data) { |
|
3633 np->rx_csum = 1; |
|
3634 np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
|
3635 } else { |
|
3636 np->rx_csum = 0; |
|
3637 /* vlan is dependent on rx checksum offload */ |
|
3638 if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE)) |
|
3639 np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK; |
|
3640 } |
|
3641 if (netif_running(dev)) { |
|
3642 spin_lock_irq(&np->lock); |
|
3643 writel(np->txrxctl_bits, base + NvRegTxRxControl); |
|
3644 spin_unlock_irq(&np->lock); |
|
3645 } |
|
3646 } else { |
|
3647 return -EINVAL; |
|
3648 } |
|
3649 |
|
3650 return retcode; |
|
3651 } |
|
3652 |
|
3653 static int nv_set_tx_csum(struct net_device *dev, u32 data) |
|
3654 { |
|
3655 struct fe_priv *np = netdev_priv(dev); |
|
3656 |
|
3657 if (np->driver_data & DEV_HAS_CHECKSUM) |
|
3658 return ethtool_op_set_tx_hw_csum(dev, data); |
|
3659 else |
|
3660 return -EOPNOTSUPP; |
|
3661 } |
|
3662 |
|
3663 static int nv_set_sg(struct net_device *dev, u32 data) |
|
3664 { |
|
3665 struct fe_priv *np = netdev_priv(dev); |
|
3666 |
|
3667 if (np->driver_data & DEV_HAS_CHECKSUM) |
|
3668 return ethtool_op_set_sg(dev, data); |
|
3669 else |
|
3670 return -EOPNOTSUPP; |
|
3671 } |
|
3672 |
|
3673 static int nv_get_stats_count(struct net_device *dev) |
|
3674 { |
|
3675 struct fe_priv *np = netdev_priv(dev); |
|
3676 |
|
3677 if (np->driver_data & DEV_HAS_STATISTICS) |
|
3678 return sizeof(struct nv_ethtool_stats)/sizeof(u64); |
|
3679 else |
|
3680 return 0; |
|
3681 } |
|
3682 |
|
3683 static void nv_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *estats, u64 *buffer) |
|
3684 { |
|
3685 struct fe_priv *np = netdev_priv(dev); |
|
3686 |
|
3687 /* update stats */ |
|
3688 nv_do_stats_poll((unsigned long)dev); |
|
3689 |
|
3690 memcpy(buffer, &np->estats, nv_get_stats_count(dev)*sizeof(u64)); |
|
3691 } |
|
3692 |
|
3693 static int nv_self_test_count(struct net_device *dev) |
|
3694 { |
|
3695 struct fe_priv *np = netdev_priv(dev); |
|
3696 |
|
3697 if (np->driver_data & DEV_HAS_TEST_EXTENDED) |
|
3698 return NV_TEST_COUNT_EXTENDED; |
|
3699 else |
|
3700 return NV_TEST_COUNT_BASE; |
|
3701 } |
|
3702 |
|
3703 static int nv_link_test(struct net_device *dev) |
|
3704 { |
|
3705 struct fe_priv *np = netdev_priv(dev); |
|
3706 int mii_status; |
|
3707 |
|
3708 mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
|
3709 mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
|
3710 |
|
3711 /* check phy link status */ |
|
3712 if (!(mii_status & BMSR_LSTATUS)) |
|
3713 return 0; |
|
3714 else |
|
3715 return 1; |
|
3716 } |
|
3717 |
|
3718 static int nv_register_test(struct net_device *dev) |
|
3719 { |
|
3720 u8 __iomem *base = get_hwbase(dev); |
|
3721 int i = 0; |
|
3722 u32 orig_read, new_read; |
|
3723 |
|
3724 do { |
|
3725 orig_read = readl(base + nv_registers_test[i].reg); |
|
3726 |
|
3727 /* xor with mask to toggle bits */ |
|
3728 orig_read ^= nv_registers_test[i].mask; |
|
3729 |
|
3730 writel(orig_read, base + nv_registers_test[i].reg); |
|
3731 |
|
3732 new_read = readl(base + nv_registers_test[i].reg); |
|
3733 |
|
3734 if ((new_read & nv_registers_test[i].mask) != (orig_read & nv_registers_test[i].mask)) |
|
3735 return 0; |
|
3736 |
|
3737 /* restore original value */ |
|
3738 orig_read ^= nv_registers_test[i].mask; |
|
3739 writel(orig_read, base + nv_registers_test[i].reg); |
|
3740 |
|
3741 } while (nv_registers_test[++i].reg != 0); |
|
3742 |
|
3743 return 1; |
|
3744 } |
|
3745 |
|
3746 static int nv_interrupt_test(struct net_device *dev) |
|
3747 { |
|
3748 struct fe_priv *np = netdev_priv(dev); |
|
3749 u8 __iomem *base = get_hwbase(dev); |
|
3750 int ret = 1; |
|
3751 int testcnt; |
|
3752 u32 save_msi_flags, save_poll_interval = 0; |
|
3753 |
|
3754 if (netif_running(dev)) { |
|
3755 /* free current irq */ |
|
3756 nv_free_irq(dev); |
|
3757 save_poll_interval = readl(base+NvRegPollingInterval); |
|
3758 } |
|
3759 |
|
3760 /* flag to test interrupt handler */ |
|
3761 np->intr_test = 0; |
|
3762 |
|
3763 /* setup test irq */ |
|
3764 save_msi_flags = np->msi_flags; |
|
3765 np->msi_flags &= ~NV_MSI_X_VECTORS_MASK; |
|
3766 np->msi_flags |= 0x001; /* setup 1 vector */ |
|
3767 if (nv_request_irq(dev, 1)) |
|
3768 return 0; |
|
3769 |
|
3770 /* setup timer interrupt */ |
|
3771 writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); |
|
3772 writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); |
|
3773 |
|
3774 nv_enable_hw_interrupts(dev, NVREG_IRQ_TIMER); |
|
3775 |
|
3776 /* wait for at least one interrupt */ |
|
3777 msleep(100); |
|
3778 |
|
3779 spin_lock_irq(&np->lock); |
|
3780 |
|
3781 /* flag should be set within ISR */ |
|
3782 testcnt = np->intr_test; |
|
3783 if (!testcnt) |
|
3784 ret = 2; |
|
3785 |
|
3786 nv_disable_hw_interrupts(dev, NVREG_IRQ_TIMER); |
|
3787 if (!(np->msi_flags & NV_MSI_X_ENABLED)) |
|
3788 writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
|
3789 else |
|
3790 writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); |
|
3791 |
|
3792 spin_unlock_irq(&np->lock); |
|
3793 |
|
3794 nv_free_irq(dev); |
|
3795 |
|
3796 np->msi_flags = save_msi_flags; |
|
3797 |
|
3798 if (netif_running(dev)) { |
|
3799 writel(save_poll_interval, base + NvRegPollingInterval); |
|
3800 writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); |
|
3801 /* restore original irq */ |
|
3802 if (nv_request_irq(dev, 0)) |
|
3803 return 0; |
|
3804 } |
|
3805 |
|
3806 return ret; |
|
3807 } |
|
3808 |
|
3809 static int nv_loopback_test(struct net_device *dev) |
|
3810 { |
|
3811 struct fe_priv *np = netdev_priv(dev); |
|
3812 u8 __iomem *base = get_hwbase(dev); |
|
3813 struct sk_buff *tx_skb, *rx_skb; |
|
3814 dma_addr_t test_dma_addr; |
|
3815 u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); |
|
3816 u32 flags; |
|
3817 int len, i, pkt_len; |
|
3818 u8 *pkt_data; |
|
3819 u32 filter_flags = 0; |
|
3820 u32 misc1_flags = 0; |
|
3821 int ret = 1; |
|
3822 |
|
3823 if (netif_running(dev)) { |
|
3824 nv_disable_irq(dev); |
|
3825 filter_flags = readl(base + NvRegPacketFilterFlags); |
|
3826 misc1_flags = readl(base + NvRegMisc1); |
|
3827 } else { |
|
3828 nv_txrx_reset(dev); |
|
3829 } |
|
3830 |
|
3831 /* reinit driver view of the rx queue */ |
|
3832 set_bufsize(dev); |
|
3833 nv_init_ring(dev); |
|
3834 |
|
3835 /* setup hardware for loopback */ |
|
3836 writel(NVREG_MISC1_FORCE, base + NvRegMisc1); |
|
3837 writel(NVREG_PFF_ALWAYS | NVREG_PFF_LOOPBACK, base + NvRegPacketFilterFlags); |
|
3838 |
|
3839 /* reinit nic view of the rx queue */ |
|
3840 writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
|
3841 setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
|
3842 writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
|
3843 base + NvRegRingSizes); |
|
3844 pci_push(base); |
|
3845 |
|
3846 /* restart rx engine */ |
|
3847 nv_start_rx(dev); |
|
3848 nv_start_tx(dev); |
|
3849 |
|
3850 /* setup packet for tx */ |
|
3851 pkt_len = ETH_DATA_LEN; |
|
3852 tx_skb = dev_alloc_skb(pkt_len); |
|
3853 if (!tx_skb) { |
|
3854 printk(KERN_ERR "dev_alloc_skb() failed during loopback test" |
|
3855 " of %s\n", dev->name); |
|
3856 ret = 0; |
|
3857 goto out; |
|
3858 } |
|
3859 pkt_data = skb_put(tx_skb, pkt_len); |
|
3860 for (i = 0; i < pkt_len; i++) |
|
3861 pkt_data[i] = (u8)(i & 0xff); |
|
3862 test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data, |
|
3863 tx_skb->end-tx_skb->data, PCI_DMA_FROMDEVICE); |
|
3864 |
|
3865 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
3866 np->tx_ring.orig[0].buf = cpu_to_le32(test_dma_addr); |
|
3867 np->tx_ring.orig[0].flaglen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); |
|
3868 } else { |
|
3869 np->tx_ring.ex[0].bufhigh = cpu_to_le64(test_dma_addr) >> 32; |
|
3870 np->tx_ring.ex[0].buflow = cpu_to_le64(test_dma_addr) & 0x0FFFFFFFF; |
|
3871 np->tx_ring.ex[0].flaglen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); |
|
3872 } |
|
3873 writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
|
3874 pci_push(get_hwbase(dev)); |
|
3875 |
|
3876 msleep(500); |
|
3877 |
|
3878 /* check for rx of the packet */ |
|
3879 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
3880 flags = le32_to_cpu(np->rx_ring.orig[0].flaglen); |
|
3881 len = nv_descr_getlength(&np->rx_ring.orig[0], np->desc_ver); |
|
3882 |
|
3883 } else { |
|
3884 flags = le32_to_cpu(np->rx_ring.ex[0].flaglen); |
|
3885 len = nv_descr_getlength_ex(&np->rx_ring.ex[0], np->desc_ver); |
|
3886 } |
|
3887 |
|
3888 if (flags & NV_RX_AVAIL) { |
|
3889 ret = 0; |
|
3890 } else if (np->desc_ver == DESC_VER_1) { |
|
3891 if (flags & NV_RX_ERROR) |
|
3892 ret = 0; |
|
3893 } else { |
|
3894 if (flags & NV_RX2_ERROR) { |
|
3895 ret = 0; |
|
3896 } |
|
3897 } |
|
3898 |
|
3899 if (ret) { |
|
3900 if (len != pkt_len) { |
|
3901 ret = 0; |
|
3902 dprintk(KERN_DEBUG "%s: loopback len mismatch %d vs %d\n", |
|
3903 dev->name, len, pkt_len); |
|
3904 } else { |
|
3905 rx_skb = np->rx_skbuff[0]; |
|
3906 for (i = 0; i < pkt_len; i++) { |
|
3907 if (rx_skb->data[i] != (u8)(i & 0xff)) { |
|
3908 ret = 0; |
|
3909 dprintk(KERN_DEBUG "%s: loopback pattern check failed on byte %d\n", |
|
3910 dev->name, i); |
|
3911 break; |
|
3912 } |
|
3913 } |
|
3914 } |
|
3915 } else { |
|
3916 dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); |
|
3917 } |
|
3918 |
|
3919 pci_unmap_page(np->pci_dev, test_dma_addr, |
|
3920 tx_skb->end-tx_skb->data, |
|
3921 PCI_DMA_TODEVICE); |
|
3922 dev_kfree_skb_any(tx_skb); |
|
3923 out: |
|
3924 /* stop engines */ |
|
3925 nv_stop_rx(dev); |
|
3926 nv_stop_tx(dev); |
|
3927 nv_txrx_reset(dev); |
|
3928 /* drain rx queue */ |
|
3929 nv_drain_rx(dev); |
|
3930 nv_drain_tx(dev); |
|
3931 |
|
3932 if (netif_running(dev)) { |
|
3933 writel(misc1_flags, base + NvRegMisc1); |
|
3934 writel(filter_flags, base + NvRegPacketFilterFlags); |
|
3935 nv_enable_irq(dev); |
|
3936 } |
|
3937 |
|
3938 return ret; |
|
3939 } |
|
3940 |
|
3941 static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64 *buffer) |
|
3942 { |
|
3943 struct fe_priv *np = netdev_priv(dev); |
|
3944 u8 __iomem *base = get_hwbase(dev); |
|
3945 int result; |
|
3946 memset(buffer, 0, nv_self_test_count(dev)*sizeof(u64)); |
|
3947 |
|
3948 if (!nv_link_test(dev)) { |
|
3949 test->flags |= ETH_TEST_FL_FAILED; |
|
3950 buffer[0] = 1; |
|
3951 } |
|
3952 |
|
3953 if (test->flags & ETH_TEST_FL_OFFLINE) { |
|
3954 if (netif_running(dev)) { |
|
3955 netif_stop_queue(dev); |
|
3956 netif_poll_disable(dev); |
|
3957 netif_tx_lock_bh(dev); |
|
3958 spin_lock_irq(&np->lock); |
|
3959 nv_disable_hw_interrupts(dev, np->irqmask); |
|
3960 if (!(np->msi_flags & NV_MSI_X_ENABLED)) { |
|
3961 writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
|
3962 } else { |
|
3963 writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); |
|
3964 } |
|
3965 /* stop engines */ |
|
3966 nv_stop_rx(dev); |
|
3967 nv_stop_tx(dev); |
|
3968 nv_txrx_reset(dev); |
|
3969 /* drain rx queue */ |
|
3970 nv_drain_rx(dev); |
|
3971 nv_drain_tx(dev); |
|
3972 spin_unlock_irq(&np->lock); |
|
3973 netif_tx_unlock_bh(dev); |
|
3974 } |
|
3975 |
|
3976 if (!nv_register_test(dev)) { |
|
3977 test->flags |= ETH_TEST_FL_FAILED; |
|
3978 buffer[1] = 1; |
|
3979 } |
|
3980 |
|
3981 result = nv_interrupt_test(dev); |
|
3982 if (result != 1) { |
|
3983 test->flags |= ETH_TEST_FL_FAILED; |
|
3984 buffer[2] = 1; |
|
3985 } |
|
3986 if (result == 0) { |
|
3987 /* bail out */ |
|
3988 return; |
|
3989 } |
|
3990 |
|
3991 if (!nv_loopback_test(dev)) { |
|
3992 test->flags |= ETH_TEST_FL_FAILED; |
|
3993 buffer[3] = 1; |
|
3994 } |
|
3995 |
|
3996 if (netif_running(dev)) { |
|
3997 /* reinit driver view of the rx queue */ |
|
3998 set_bufsize(dev); |
|
3999 if (nv_init_ring(dev)) { |
|
4000 if (!np->in_shutdown) |
|
4001 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
4002 } |
|
4003 /* reinit nic view of the rx queue */ |
|
4004 writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
|
4005 setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
|
4006 writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
|
4007 base + NvRegRingSizes); |
|
4008 pci_push(base); |
|
4009 writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
|
4010 pci_push(base); |
|
4011 /* restart rx engine */ |
|
4012 nv_start_rx(dev); |
|
4013 nv_start_tx(dev); |
|
4014 netif_start_queue(dev); |
|
4015 netif_poll_enable(dev); |
|
4016 nv_enable_hw_interrupts(dev, np->irqmask); |
|
4017 } |
|
4018 } |
|
4019 } |
|
4020 |
|
4021 static void nv_get_strings(struct net_device *dev, u32 stringset, u8 *buffer) |
|
4022 { |
|
4023 switch (stringset) { |
|
4024 case ETH_SS_STATS: |
|
4025 memcpy(buffer, &nv_estats_str, nv_get_stats_count(dev)*sizeof(struct nv_ethtool_str)); |
|
4026 break; |
|
4027 case ETH_SS_TEST: |
|
4028 memcpy(buffer, &nv_etests_str, nv_self_test_count(dev)*sizeof(struct nv_ethtool_str)); |
|
4029 break; |
|
4030 } |
|
4031 } |
|
4032 |
|
4033 static const struct ethtool_ops ops = { |
|
4034 .get_drvinfo = nv_get_drvinfo, |
|
4035 .get_link = ethtool_op_get_link, |
|
4036 .get_wol = nv_get_wol, |
|
4037 .set_wol = nv_set_wol, |
|
4038 .get_settings = nv_get_settings, |
|
4039 .set_settings = nv_set_settings, |
|
4040 .get_regs_len = nv_get_regs_len, |
|
4041 .get_regs = nv_get_regs, |
|
4042 .nway_reset = nv_nway_reset, |
|
4043 .get_perm_addr = ethtool_op_get_perm_addr, |
|
4044 .get_tso = ethtool_op_get_tso, |
|
4045 .set_tso = nv_set_tso, |
|
4046 .get_ringparam = nv_get_ringparam, |
|
4047 .set_ringparam = nv_set_ringparam, |
|
4048 .get_pauseparam = nv_get_pauseparam, |
|
4049 .set_pauseparam = nv_set_pauseparam, |
|
4050 .get_rx_csum = nv_get_rx_csum, |
|
4051 .set_rx_csum = nv_set_rx_csum, |
|
4052 .get_tx_csum = ethtool_op_get_tx_csum, |
|
4053 .set_tx_csum = nv_set_tx_csum, |
|
4054 .get_sg = ethtool_op_get_sg, |
|
4055 .set_sg = nv_set_sg, |
|
4056 .get_strings = nv_get_strings, |
|
4057 .get_stats_count = nv_get_stats_count, |
|
4058 .get_ethtool_stats = nv_get_ethtool_stats, |
|
4059 .self_test_count = nv_self_test_count, |
|
4060 .self_test = nv_self_test, |
|
4061 }; |
|
4062 |
|
4063 static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
|
4064 { |
|
4065 struct fe_priv *np = get_nvpriv(dev); |
|
4066 |
|
4067 spin_lock_irq(&np->lock); |
|
4068 |
|
4069 /* save vlan group */ |
|
4070 np->vlangrp = grp; |
|
4071 |
|
4072 if (grp) { |
|
4073 /* enable vlan on MAC */ |
|
4074 np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS; |
|
4075 } else { |
|
4076 /* disable vlan on MAC */ |
|
4077 np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; |
|
4078 np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; |
|
4079 } |
|
4080 |
|
4081 writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
|
4082 |
|
4083 spin_unlock_irq(&np->lock); |
|
4084 }; |
|
4085 |
|
4086 static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
|
4087 { |
|
4088 /* nothing to do */ |
|
4089 }; |
|
4090 |
|
4091 static int nv_open(struct net_device *dev) |
|
4092 { |
|
4093 struct fe_priv *np = netdev_priv(dev); |
|
4094 u8 __iomem *base = get_hwbase(dev); |
|
4095 int ret = 1; |
|
4096 int oom, i; |
|
4097 |
|
4098 dprintk(KERN_DEBUG "nv_open: begin\n"); |
|
4099 |
|
4100 /* erase previous misconfiguration */ |
|
4101 if (np->driver_data & DEV_HAS_POWER_CNTRL) |
|
4102 nv_mac_reset(dev); |
|
4103 writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); |
|
4104 writel(0, base + NvRegMulticastAddrB); |
|
4105 writel(0, base + NvRegMulticastMaskA); |
|
4106 writel(0, base + NvRegMulticastMaskB); |
|
4107 writel(0, base + NvRegPacketFilterFlags); |
|
4108 |
|
4109 writel(0, base + NvRegTransmitterControl); |
|
4110 writel(0, base + NvRegReceiverControl); |
|
4111 |
|
4112 writel(0, base + NvRegAdapterControl); |
|
4113 |
|
4114 if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) |
|
4115 writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); |
|
4116 |
|
4117 /* initialize descriptor rings */ |
|
4118 set_bufsize(dev); |
|
4119 oom = nv_init_ring(dev); |
|
4120 |
|
4121 writel(0, base + NvRegLinkSpeed); |
|
4122 writel(readl(base + NvRegTransmitPoll) & NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); |
|
4123 nv_txrx_reset(dev); |
|
4124 writel(0, base + NvRegUnknownSetupReg6); |
|
4125 |
|
4126 np->in_shutdown = 0; |
|
4127 |
|
4128 /* give hw rings */ |
|
4129 setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
|
4130 writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
|
4131 base + NvRegRingSizes); |
|
4132 |
|
4133 writel(np->linkspeed, base + NvRegLinkSpeed); |
|
4134 if (np->desc_ver == DESC_VER_1) |
|
4135 writel(NVREG_TX_WM_DESC1_DEFAULT, base + NvRegTxWatermark); |
|
4136 else |
|
4137 writel(NVREG_TX_WM_DESC2_3_DEFAULT, base + NvRegTxWatermark); |
|
4138 writel(np->txrxctl_bits, base + NvRegTxRxControl); |
|
4139 writel(np->vlanctl_bits, base + NvRegVlanControl); |
|
4140 pci_push(base); |
|
4141 writel(NVREG_TXRXCTL_BIT1|np->txrxctl_bits, base + NvRegTxRxControl); |
|
4142 reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31, |
|
4143 NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, |
|
4144 KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); |
|
4145 |
|
4146 writel(0, base + NvRegUnknownSetupReg4); |
|
4147 writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
|
4148 writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); |
|
4149 |
|
4150 writel(NVREG_MISC1_FORCE | NVREG_MISC1_HD, base + NvRegMisc1); |
|
4151 writel(readl(base + NvRegTransmitterStatus), base + NvRegTransmitterStatus); |
|
4152 writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags); |
|
4153 writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
|
4154 |
|
4155 writel(readl(base + NvRegReceiverStatus), base + NvRegReceiverStatus); |
|
4156 get_random_bytes(&i, sizeof(i)); |
|
4157 writel(NVREG_RNDSEED_FORCE | (i&NVREG_RNDSEED_MASK), base + NvRegRandomSeed); |
|
4158 writel(NVREG_TX_DEFERRAL_DEFAULT, base + NvRegTxDeferral); |
|
4159 writel(NVREG_RX_DEFERRAL_DEFAULT, base + NvRegRxDeferral); |
|
4160 if (poll_interval == -1) { |
|
4161 if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) |
|
4162 writel(NVREG_POLL_DEFAULT_THROUGHPUT, base + NvRegPollingInterval); |
|
4163 else |
|
4164 writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); |
|
4165 } |
|
4166 else |
|
4167 writel(poll_interval & 0xFFFF, base + NvRegPollingInterval); |
|
4168 writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); |
|
4169 writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING, |
|
4170 base + NvRegAdapterControl); |
|
4171 writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); |
|
4172 writel(NVREG_UNKSETUP4_VAL, base + NvRegUnknownSetupReg4); |
|
4173 if (np->wolenabled) |
|
4174 writel(NVREG_WAKEUPFLAGS_ENABLE , base + NvRegWakeUpFlags); |
|
4175 |
|
4176 i = readl(base + NvRegPowerState); |
|
4177 if ( (i & NVREG_POWERSTATE_POWEREDUP) == 0) |
|
4178 writel(NVREG_POWERSTATE_POWEREDUP|i, base + NvRegPowerState); |
|
4179 |
|
4180 pci_push(base); |
|
4181 udelay(10); |
|
4182 writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState); |
|
4183 |
|
4184 nv_disable_hw_interrupts(dev, np->irqmask); |
|
4185 pci_push(base); |
|
4186 writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); |
|
4187 writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
|
4188 pci_push(base); |
|
4189 |
|
4190 if (!np->ecdev) { |
|
4191 if (nv_request_irq(dev, 0)) { |
|
4192 goto out_drain; |
|
4193 } |
|
4194 |
|
4195 /* ask for interrupts */ |
|
4196 nv_enable_hw_interrupts(dev, np->irqmask); |
|
4197 |
|
4198 spin_lock_irq(&np->lock); |
|
4199 } |
|
4200 |
|
4201 writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); |
|
4202 writel(0, base + NvRegMulticastAddrB); |
|
4203 writel(0, base + NvRegMulticastMaskA); |
|
4204 writel(0, base + NvRegMulticastMaskB); |
|
4205 writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); |
|
4206 /* One manual link speed update: Interrupts are enabled, future link |
|
4207 * speed changes cause interrupts and are handled by nv_link_irq(). |
|
4208 */ |
|
4209 { |
|
4210 u32 miistat; |
|
4211 miistat = readl(base + NvRegMIIStatus); |
|
4212 writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); |
|
4213 dprintk(KERN_INFO "startup: got 0x%08x.\n", miistat); |
|
4214 } |
|
4215 /* set linkspeed to invalid value, thus force nv_update_linkspeed |
|
4216 * to init hw */ |
|
4217 np->linkspeed = 0; |
|
4218 ret = nv_update_linkspeed(dev); |
|
4219 nv_start_rx(dev); |
|
4220 nv_start_tx(dev); |
|
4221 |
|
4222 if (np->ecdev) { |
|
4223 ecdev_set_link(np->ecdev, ret); |
|
4224 } |
|
4225 else { |
|
4226 netif_start_queue(dev); |
|
4227 netif_poll_enable(dev); |
|
4228 |
|
4229 if (ret) { |
|
4230 netif_carrier_on(dev); |
|
4231 } else { |
|
4232 printk("%s: no link during initialization.\n", dev->name); |
|
4233 netif_carrier_off(dev); |
|
4234 } |
|
4235 if (oom) |
|
4236 mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
|
4237 |
|
4238 /* start statistics timer */ |
|
4239 if (np->driver_data & DEV_HAS_STATISTICS) |
|
4240 mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); |
|
4241 |
|
4242 spin_unlock_irq(&np->lock); |
|
4243 } |
|
4244 |
|
4245 return 0; |
|
4246 out_drain: |
|
4247 drain_ring(dev); |
|
4248 return ret; |
|
4249 } |
|
4250 |
|
4251 static int nv_close(struct net_device *dev) |
|
4252 { |
|
4253 struct fe_priv *np = netdev_priv(dev); |
|
4254 u8 __iomem *base; |
|
4255 |
|
4256 if (!np->ecdev) { |
|
4257 spin_lock_irq(&np->lock); |
|
4258 np->in_shutdown = 1; |
|
4259 spin_unlock_irq(&np->lock); |
|
4260 netif_poll_disable(dev); |
|
4261 synchronize_irq(dev->irq); |
|
4262 |
|
4263 del_timer_sync(&np->oom_kick); |
|
4264 del_timer_sync(&np->nic_poll); |
|
4265 del_timer_sync(&np->stats_poll); |
|
4266 |
|
4267 netif_stop_queue(dev); |
|
4268 spin_lock_irq(&np->lock); |
|
4269 } |
|
4270 |
|
4271 nv_stop_tx(dev); |
|
4272 nv_stop_rx(dev); |
|
4273 nv_txrx_reset(dev); |
|
4274 |
|
4275 /* disable interrupts on the nic or we will lock up */ |
|
4276 if (!np->ecdev) { |
|
4277 base = get_hwbase(dev); |
|
4278 nv_disable_hw_interrupts(dev, np->irqmask); |
|
4279 pci_push(base); |
|
4280 dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name); |
|
4281 |
|
4282 spin_unlock_irq(&np->lock); |
|
4283 |
|
4284 nv_free_irq(dev); |
|
4285 } |
|
4286 |
|
4287 drain_ring(dev); |
|
4288 |
|
4289 if (np->wolenabled) |
|
4290 nv_start_rx(dev); |
|
4291 |
|
4292 /* FIXME: power down nic */ |
|
4293 |
|
4294 return 0; |
|
4295 } |
|
4296 |
|
4297 static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) |
|
4298 { |
|
4299 struct net_device *dev; |
|
4300 struct fe_priv *np; |
|
4301 unsigned long addr; |
|
4302 u8 __iomem *base; |
|
4303 int err, i; |
|
4304 u32 powerstate, txreg; |
|
4305 |
|
4306 board_idx++; |
|
4307 |
|
4308 dev = alloc_etherdev(sizeof(struct fe_priv)); |
|
4309 err = -ENOMEM; |
|
4310 if (!dev) |
|
4311 goto out; |
|
4312 |
|
4313 np = netdev_priv(dev); |
|
4314 np->pci_dev = pci_dev; |
|
4315 spin_lock_init(&np->lock); |
|
4316 SET_MODULE_OWNER(dev); |
|
4317 SET_NETDEV_DEV(dev, &pci_dev->dev); |
|
4318 |
|
4319 init_timer(&np->oom_kick); |
|
4320 np->oom_kick.data = (unsigned long) dev; |
|
4321 np->oom_kick.function = &nv_do_rx_refill; /* timer handler */ |
|
4322 init_timer(&np->nic_poll); |
|
4323 np->nic_poll.data = (unsigned long) dev; |
|
4324 np->nic_poll.function = &nv_do_nic_poll; /* timer handler */ |
|
4325 init_timer(&np->stats_poll); |
|
4326 np->stats_poll.data = (unsigned long) dev; |
|
4327 np->stats_poll.function = &nv_do_stats_poll; /* timer handler */ |
|
4328 |
|
4329 err = pci_enable_device(pci_dev); |
|
4330 if (err) { |
|
4331 printk(KERN_INFO "forcedeth: pci_enable_dev failed (%d) for device %s\n", |
|
4332 err, pci_name(pci_dev)); |
|
4333 goto out_free; |
|
4334 } |
|
4335 |
|
4336 pci_set_master(pci_dev); |
|
4337 |
|
4338 err = pci_request_regions(pci_dev, DRV_NAME); |
|
4339 if (err < 0) |
|
4340 goto out_disable; |
|
4341 |
|
4342 if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_STATISTICS)) |
|
4343 np->register_size = NV_PCI_REGSZ_VER2; |
|
4344 else |
|
4345 np->register_size = NV_PCI_REGSZ_VER1; |
|
4346 |
|
4347 err = -EINVAL; |
|
4348 addr = 0; |
|
4349 for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { |
|
4350 dprintk(KERN_DEBUG "%s: resource %d start %p len %ld flags 0x%08lx.\n", |
|
4351 pci_name(pci_dev), i, (void*)pci_resource_start(pci_dev, i), |
|
4352 pci_resource_len(pci_dev, i), |
|
4353 pci_resource_flags(pci_dev, i)); |
|
4354 if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM && |
|
4355 pci_resource_len(pci_dev, i) >= np->register_size) { |
|
4356 addr = pci_resource_start(pci_dev, i); |
|
4357 break; |
|
4358 } |
|
4359 } |
|
4360 if (i == DEVICE_COUNT_RESOURCE) { |
|
4361 printk(KERN_INFO "forcedeth: Couldn't find register window for device %s.\n", |
|
4362 pci_name(pci_dev)); |
|
4363 goto out_relreg; |
|
4364 } |
|
4365 |
|
4366 /* copy of driver data */ |
|
4367 np->driver_data = id->driver_data; |
|
4368 |
|
4369 /* handle different descriptor versions */ |
|
4370 if (id->driver_data & DEV_HAS_HIGH_DMA) { |
|
4371 /* packet format 3: supports 40-bit addressing */ |
|
4372 np->desc_ver = DESC_VER_3; |
|
4373 np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; |
|
4374 if (dma_64bit) { |
|
4375 if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { |
|
4376 printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", |
|
4377 pci_name(pci_dev)); |
|
4378 } else { |
|
4379 dev->features |= NETIF_F_HIGHDMA; |
|
4380 printk(KERN_INFO "forcedeth: using HIGHDMA\n"); |
|
4381 } |
|
4382 if (pci_set_consistent_dma_mask(pci_dev, DMA_39BIT_MASK)) { |
|
4383 printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed, using 32-bit ring buffers for device %s.\n", |
|
4384 pci_name(pci_dev)); |
|
4385 } |
|
4386 } |
|
4387 } else if (id->driver_data & DEV_HAS_LARGEDESC) { |
|
4388 /* packet format 2: supports jumbo frames */ |
|
4389 np->desc_ver = DESC_VER_2; |
|
4390 np->txrxctl_bits = NVREG_TXRXCTL_DESC_2; |
|
4391 } else { |
|
4392 /* original packet format */ |
|
4393 np->desc_ver = DESC_VER_1; |
|
4394 np->txrxctl_bits = NVREG_TXRXCTL_DESC_1; |
|
4395 } |
|
4396 |
|
4397 np->pkt_limit = NV_PKTLIMIT_1; |
|
4398 if (id->driver_data & DEV_HAS_LARGEDESC) |
|
4399 np->pkt_limit = NV_PKTLIMIT_2; |
|
4400 |
|
4401 if (id->driver_data & DEV_HAS_CHECKSUM) { |
|
4402 np->rx_csum = 1; |
|
4403 np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
|
4404 dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; |
|
4405 #ifdef NETIF_F_TSO |
|
4406 dev->features |= NETIF_F_TSO; |
|
4407 #endif |
|
4408 } |
|
4409 |
|
4410 np->vlanctl_bits = 0; |
|
4411 if (id->driver_data & DEV_HAS_VLAN) { |
|
4412 np->vlanctl_bits = NVREG_VLANCONTROL_ENABLE; |
|
4413 dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX; |
|
4414 dev->vlan_rx_register = nv_vlan_rx_register; |
|
4415 dev->vlan_rx_kill_vid = nv_vlan_rx_kill_vid; |
|
4416 } |
|
4417 |
|
4418 np->msi_flags = 0; |
|
4419 if ((id->driver_data & DEV_HAS_MSI) && msi) { |
|
4420 np->msi_flags |= NV_MSI_CAPABLE; |
|
4421 } |
|
4422 if ((id->driver_data & DEV_HAS_MSI_X) && msix) { |
|
4423 np->msi_flags |= NV_MSI_X_CAPABLE; |
|
4424 } |
|
4425 |
|
4426 np->pause_flags = NV_PAUSEFRAME_RX_CAPABLE | NV_PAUSEFRAME_RX_REQ | NV_PAUSEFRAME_AUTONEG; |
|
4427 if (id->driver_data & DEV_HAS_PAUSEFRAME_TX) { |
|
4428 np->pause_flags |= NV_PAUSEFRAME_TX_CAPABLE | NV_PAUSEFRAME_TX_REQ; |
|
4429 } |
|
4430 |
|
4431 |
|
4432 err = -ENOMEM; |
|
4433 np->base = ioremap(addr, np->register_size); |
|
4434 if (!np->base) |
|
4435 goto out_relreg; |
|
4436 dev->base_addr = (unsigned long)np->base; |
|
4437 |
|
4438 dev->irq = pci_dev->irq; |
|
4439 |
|
4440 np->rx_ring_size = RX_RING_DEFAULT; |
|
4441 np->tx_ring_size = TX_RING_DEFAULT; |
|
4442 np->tx_limit_stop = np->tx_ring_size - TX_LIMIT_DIFFERENCE; |
|
4443 np->tx_limit_start = np->tx_ring_size - TX_LIMIT_DIFFERENCE - 1; |
|
4444 |
|
4445 if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
|
4446 np->rx_ring.orig = pci_alloc_consistent(pci_dev, |
|
4447 sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
|
4448 &np->ring_addr); |
|
4449 if (!np->rx_ring.orig) |
|
4450 goto out_unmap; |
|
4451 np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; |
|
4452 } else { |
|
4453 np->rx_ring.ex = pci_alloc_consistent(pci_dev, |
|
4454 sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), |
|
4455 &np->ring_addr); |
|
4456 if (!np->rx_ring.ex) |
|
4457 goto out_unmap; |
|
4458 np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; |
|
4459 } |
|
4460 np->rx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->rx_ring_size, GFP_KERNEL); |
|
4461 np->rx_dma = kmalloc(sizeof(dma_addr_t) * np->rx_ring_size, GFP_KERNEL); |
|
4462 np->tx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->tx_ring_size, GFP_KERNEL); |
|
4463 np->tx_dma = kmalloc(sizeof(dma_addr_t) * np->tx_ring_size, GFP_KERNEL); |
|
4464 np->tx_dma_len = kmalloc(sizeof(unsigned int) * np->tx_ring_size, GFP_KERNEL); |
|
4465 if (!np->rx_skbuff || !np->rx_dma || !np->tx_skbuff || !np->tx_dma || !np->tx_dma_len) |
|
4466 goto out_freering; |
|
4467 memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size); |
|
4468 memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size); |
|
4469 memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size); |
|
4470 memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size); |
|
4471 memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size); |
|
4472 |
|
4473 dev->open = nv_open; |
|
4474 dev->stop = nv_close; |
|
4475 dev->hard_start_xmit = nv_start_xmit; |
|
4476 dev->get_stats = nv_get_stats; |
|
4477 dev->change_mtu = nv_change_mtu; |
|
4478 dev->set_mac_address = nv_set_mac_address; |
|
4479 dev->set_multicast_list = nv_set_multicast; |
|
4480 #ifdef CONFIG_NET_POLL_CONTROLLER |
|
4481 dev->poll_controller = nv_poll_controller; |
|
4482 #endif |
|
4483 dev->weight = 64; |
|
4484 #ifdef CONFIG_FORCEDETH_NAPI |
|
4485 dev->poll = nv_napi_poll; |
|
4486 #endif |
|
4487 SET_ETHTOOL_OPS(dev, &ops); |
|
4488 dev->tx_timeout = nv_tx_timeout; |
|
4489 dev->watchdog_timeo = NV_WATCHDOG_TIMEO; |
|
4490 |
|
4491 pci_set_drvdata(pci_dev, dev); |
|
4492 |
|
4493 /* read the mac address */ |
|
4494 base = get_hwbase(dev); |
|
4495 np->orig_mac[0] = readl(base + NvRegMacAddrA); |
|
4496 np->orig_mac[1] = readl(base + NvRegMacAddrB); |
|
4497 |
|
4498 /* check the workaround bit for correct mac address order */ |
|
4499 txreg = readl(base + NvRegTransmitPoll); |
|
4500 if (txreg & NVREG_TRANSMITPOLL_MAC_ADDR_REV) { |
|
4501 /* mac address is already in correct order */ |
|
4502 dev->dev_addr[0] = (np->orig_mac[0] >> 0) & 0xff; |
|
4503 dev->dev_addr[1] = (np->orig_mac[0] >> 8) & 0xff; |
|
4504 dev->dev_addr[2] = (np->orig_mac[0] >> 16) & 0xff; |
|
4505 dev->dev_addr[3] = (np->orig_mac[0] >> 24) & 0xff; |
|
4506 dev->dev_addr[4] = (np->orig_mac[1] >> 0) & 0xff; |
|
4507 dev->dev_addr[5] = (np->orig_mac[1] >> 8) & 0xff; |
|
4508 } else { |
|
4509 /* need to reverse mac address to correct order */ |
|
4510 dev->dev_addr[0] = (np->orig_mac[1] >> 8) & 0xff; |
|
4511 dev->dev_addr[1] = (np->orig_mac[1] >> 0) & 0xff; |
|
4512 dev->dev_addr[2] = (np->orig_mac[0] >> 24) & 0xff; |
|
4513 dev->dev_addr[3] = (np->orig_mac[0] >> 16) & 0xff; |
|
4514 dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff; |
|
4515 dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff; |
|
4516 /* set permanent address to be correct aswell */ |
|
4517 np->orig_mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) + |
|
4518 (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); |
|
4519 np->orig_mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8); |
|
4520 writel(txreg|NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); |
|
4521 } |
|
4522 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
|
4523 |
|
4524 if (!is_valid_ether_addr(dev->perm_addr)) { |
|
4525 /* |
|
4526 * Bad mac address. At least one bios sets the mac address |
|
4527 * to 01:23:45:67:89:ab |
|
4528 */ |
|
4529 printk(KERN_ERR "%s: Invalid Mac address detected: %02x:%02x:%02x:%02x:%02x:%02x\n", |
|
4530 pci_name(pci_dev), |
|
4531 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
|
4532 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
|
4533 printk(KERN_ERR "Please complain to your hardware vendor. Switching to a random MAC.\n"); |
|
4534 dev->dev_addr[0] = 0x00; |
|
4535 dev->dev_addr[1] = 0x00; |
|
4536 dev->dev_addr[2] = 0x6c; |
|
4537 get_random_bytes(&dev->dev_addr[3], 3); |
|
4538 } |
|
4539 |
|
4540 dprintk(KERN_DEBUG "%s: MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", pci_name(pci_dev), |
|
4541 dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
|
4542 dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
|
4543 |
|
4544 /* set mac address */ |
|
4545 nv_copy_mac_to_hw(dev); |
|
4546 |
|
4547 /* disable WOL */ |
|
4548 writel(0, base + NvRegWakeUpFlags); |
|
4549 np->wolenabled = 0; |
|
4550 |
|
4551 if (id->driver_data & DEV_HAS_POWER_CNTRL) { |
|
4552 u8 revision_id; |
|
4553 pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id); |
|
4554 |
|
4555 /* take phy and nic out of low power mode */ |
|
4556 powerstate = readl(base + NvRegPowerState2); |
|
4557 powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK; |
|
4558 if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 || |
|
4559 id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) && |
|
4560 revision_id >= 0xA3) |
|
4561 powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3; |
|
4562 writel(powerstate, base + NvRegPowerState2); |
|
4563 } |
|
4564 |
|
4565 if (np->desc_ver == DESC_VER_1) { |
|
4566 np->tx_flags = NV_TX_VALID; |
|
4567 } else { |
|
4568 np->tx_flags = NV_TX2_VALID; |
|
4569 } |
|
4570 if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { |
|
4571 np->irqmask = NVREG_IRQMASK_THROUGHPUT; |
|
4572 if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
|
4573 np->msi_flags |= 0x0003; |
|
4574 } else { |
|
4575 np->irqmask = NVREG_IRQMASK_CPU; |
|
4576 if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
|
4577 np->msi_flags |= 0x0001; |
|
4578 } |
|
4579 |
|
4580 if (id->driver_data & DEV_NEED_TIMERIRQ) |
|
4581 np->irqmask |= NVREG_IRQ_TIMER; |
|
4582 if (id->driver_data & DEV_NEED_LINKTIMER) { |
|
4583 dprintk(KERN_INFO "%s: link timer on.\n", pci_name(pci_dev)); |
|
4584 np->need_linktimer = 1; |
|
4585 np->link_timeout = jiffies + LINK_TIMEOUT; |
|
4586 } else { |
|
4587 dprintk(KERN_INFO "%s: link timer off.\n", pci_name(pci_dev)); |
|
4588 np->need_linktimer = 0; |
|
4589 } |
|
4590 |
|
4591 /* find a suitable phy */ |
|
4592 for (i = 1; i <= 32; i++) { |
|
4593 int id1, id2; |
|
4594 int phyaddr = i & 0x1F; |
|
4595 |
|
4596 spin_lock_irq(&np->lock); |
|
4597 id1 = mii_rw(dev, phyaddr, MII_PHYSID1, MII_READ); |
|
4598 spin_unlock_irq(&np->lock); |
|
4599 if (id1 < 0 || id1 == 0xffff) |
|
4600 continue; |
|
4601 spin_lock_irq(&np->lock); |
|
4602 id2 = mii_rw(dev, phyaddr, MII_PHYSID2, MII_READ); |
|
4603 spin_unlock_irq(&np->lock); |
|
4604 if (id2 < 0 || id2 == 0xffff) |
|
4605 continue; |
|
4606 |
|
4607 np->phy_model = id2 & PHYID2_MODEL_MASK; |
|
4608 id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT; |
|
4609 id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT; |
|
4610 dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n", |
|
4611 pci_name(pci_dev), id1, id2, phyaddr); |
|
4612 np->phyaddr = phyaddr; |
|
4613 np->phy_oui = id1 | id2; |
|
4614 break; |
|
4615 } |
|
4616 if (i == 33) { |
|
4617 printk(KERN_INFO "%s: open: Could not find a valid PHY.\n", |
|
4618 pci_name(pci_dev)); |
|
4619 goto out_error; |
|
4620 } |
|
4621 |
|
4622 /* reset it */ |
|
4623 phy_init(dev); |
|
4624 |
|
4625 /* set default link speed settings */ |
|
4626 np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
|
4627 np->duplex = 0; |
|
4628 np->autoneg = 1; |
|
4629 |
|
4630 // offer device to EtherCAT master module |
|
4631 if (ecdev_offer(dev, ec_poll, THIS_MODULE, &np->ecdev)) { |
|
4632 printk(KERN_ERR "forcedeth: Failed to offer device.\n"); |
|
4633 goto out_error; |
|
4634 } |
|
4635 |
|
4636 if (np->ecdev) { |
|
4637 if (ecdev_open(np->ecdev)) { |
|
4638 ecdev_withdraw(np->ecdev); |
|
4639 goto out_error; |
|
4640 } |
|
4641 } |
|
4642 else { |
|
4643 err = register_netdev(dev); |
|
4644 if (err) { |
|
4645 printk(KERN_INFO "forcedeth: unable to register netdev: %d\n", err); |
|
4646 goto out_freering; |
|
4647 } |
|
4648 } |
|
4649 printk(KERN_INFO "%s: forcedeth.c: subsystem: %05x:%04x bound to %s\n", |
|
4650 dev->name, pci_dev->subsystem_vendor, pci_dev->subsystem_device, |
|
4651 pci_name(pci_dev)); |
|
4652 |
|
4653 return 0; |
|
4654 |
|
4655 out_error: |
|
4656 pci_set_drvdata(pci_dev, NULL); |
|
4657 out_freering: |
|
4658 free_rings(dev); |
|
4659 out_unmap: |
|
4660 iounmap(get_hwbase(dev)); |
|
4661 out_relreg: |
|
4662 pci_release_regions(pci_dev); |
|
4663 out_disable: |
|
4664 pci_disable_device(pci_dev); |
|
4665 out_free: |
|
4666 free_netdev(dev); |
|
4667 out: |
|
4668 return err; |
|
4669 } |
|
4670 |
|
4671 static void __devexit nv_remove(struct pci_dev *pci_dev) |
|
4672 { |
|
4673 struct net_device *dev = pci_get_drvdata(pci_dev); |
|
4674 struct fe_priv *np = netdev_priv(dev); |
|
4675 u8 __iomem *base = get_hwbase(dev); |
|
4676 |
|
4677 if (np->ecdev) { |
|
4678 ecdev_close(np->ecdev); |
|
4679 ecdev_withdraw(np->ecdev); |
|
4680 } |
|
4681 else { |
|
4682 unregister_netdev(dev); |
|
4683 } |
|
4684 |
|
4685 /* special op: write back the misordered MAC address - otherwise |
|
4686 * the next nv_probe would see a wrong address. |
|
4687 */ |
|
4688 writel(np->orig_mac[0], base + NvRegMacAddrA); |
|
4689 writel(np->orig_mac[1], base + NvRegMacAddrB); |
|
4690 |
|
4691 /* free all structures */ |
|
4692 free_rings(dev); |
|
4693 iounmap(get_hwbase(dev)); |
|
4694 pci_release_regions(pci_dev); |
|
4695 pci_disable_device(pci_dev); |
|
4696 free_netdev(dev); |
|
4697 pci_set_drvdata(pci_dev, NULL); |
|
4698 } |
|
4699 |
|
4700 static struct pci_device_id pci_tbl[] = { |
|
4701 { /* nForce Ethernet Controller */ |
|
4702 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_1), |
|
4703 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
|
4704 }, |
|
4705 { /* nForce2 Ethernet Controller */ |
|
4706 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_2), |
|
4707 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
|
4708 }, |
|
4709 { /* nForce3 Ethernet Controller */ |
|
4710 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_3), |
|
4711 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
|
4712 }, |
|
4713 { /* nForce3 Ethernet Controller */ |
|
4714 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_4), |
|
4715 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
|
4716 }, |
|
4717 { /* nForce3 Ethernet Controller */ |
|
4718 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_5), |
|
4719 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
|
4720 }, |
|
4721 { /* nForce3 Ethernet Controller */ |
|
4722 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_6), |
|
4723 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
|
4724 }, |
|
4725 { /* nForce3 Ethernet Controller */ |
|
4726 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_7), |
|
4727 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
|
4728 }, |
|
4729 { /* CK804 Ethernet Controller */ |
|
4730 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8), |
|
4731 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
|
4732 }, |
|
4733 { /* CK804 Ethernet Controller */ |
|
4734 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9), |
|
4735 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
|
4736 }, |
|
4737 { /* MCP04 Ethernet Controller */ |
|
4738 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10), |
|
4739 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
|
4740 }, |
|
4741 { /* MCP04 Ethernet Controller */ |
|
4742 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_11), |
|
4743 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
|
4744 }, |
|
4745 { /* MCP51 Ethernet Controller */ |
|
4746 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12), |
|
4747 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL, |
|
4748 }, |
|
4749 { /* MCP51 Ethernet Controller */ |
|
4750 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13), |
|
4751 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL, |
|
4752 }, |
|
4753 { /* MCP55 Ethernet Controller */ |
|
4754 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), |
|
4755 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4756 }, |
|
4757 { /* MCP55 Ethernet Controller */ |
|
4758 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), |
|
4759 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4760 }, |
|
4761 { /* MCP61 Ethernet Controller */ |
|
4762 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16), |
|
4763 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4764 }, |
|
4765 { /* MCP61 Ethernet Controller */ |
|
4766 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_17), |
|
4767 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4768 }, |
|
4769 { /* MCP61 Ethernet Controller */ |
|
4770 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_18), |
|
4771 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4772 }, |
|
4773 { /* MCP61 Ethernet Controller */ |
|
4774 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_19), |
|
4775 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4776 }, |
|
4777 { /* MCP65 Ethernet Controller */ |
|
4778 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20), |
|
4779 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4780 }, |
|
4781 { /* MCP65 Ethernet Controller */ |
|
4782 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21), |
|
4783 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4784 }, |
|
4785 { /* MCP65 Ethernet Controller */ |
|
4786 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22), |
|
4787 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4788 }, |
|
4789 { /* MCP65 Ethernet Controller */ |
|
4790 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), |
|
4791 .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, |
|
4792 }, |
|
4793 {0,}, |
|
4794 }; |
|
4795 |
|
4796 static struct pci_driver driver = { |
|
4797 .name = "forcedeth", |
|
4798 .id_table = pci_tbl, |
|
4799 .probe = nv_probe, |
|
4800 .remove = __devexit_p(nv_remove), |
|
4801 }; |
|
4802 |
|
4803 |
|
4804 static int __init init_nic(void) |
|
4805 { |
|
4806 printk(KERN_INFO "forcedeth: EtherCAT-capable nForce ethernet driver." |
|
4807 " Version %s, master %s.\n", |
|
4808 FORCEDETH_VERSION, EC_MASTER_VERSION); |
|
4809 return pci_register_driver(&driver); |
|
4810 } |
|
4811 |
|
4812 static void __exit exit_nic(void) |
|
4813 { |
|
4814 pci_unregister_driver(&driver); |
|
4815 } |
|
4816 |
|
4817 module_param(max_interrupt_work, int, 0); |
|
4818 MODULE_PARM_DESC(max_interrupt_work, "forcedeth maximum events handled per interrupt"); |
|
4819 module_param(optimization_mode, int, 0); |
|
4820 MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer."); |
|
4821 module_param(poll_interval, int, 0); |
|
4822 MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535."); |
|
4823 module_param(msi, int, 0); |
|
4824 MODULE_PARM_DESC(msi, "MSI interrupts are enabled by setting to 1 and disabled by setting to 0."); |
|
4825 module_param(msix, int, 0); |
|
4826 MODULE_PARM_DESC(msix, "MSIX interrupts are enabled by setting to 1 and disabled by setting to 0."); |
|
4827 module_param(dma_64bit, int, 0); |
|
4828 MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0."); |
|
4829 |
|
4830 MODULE_AUTHOR("Dipl.-Ing. (FH) Florian Pose <fp@igh-essen.com>"); |
|
4831 MODULE_DESCRIPTION("EtherCAT-capable nForce ethernet driver"); |
|
4832 MODULE_LICENSE("GPL"); |
|
4833 |
|
4834 //MODULE_DEVICE_TABLE(pci, pci_tbl); // prevent auto-loading |
|
4835 |
|
4836 module_init(init_nic); |
|
4837 module_exit(exit_nic); |