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1 /******************************************************************************* |
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2 |
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3 |
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4 Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. |
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5 |
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6 This program is free software; you can redistribute it and/or modify it |
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7 under the terms of the GNU General Public License as published by the Free |
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8 Software Foundation; either version 2 of the License, or (at your option) |
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9 any later version. |
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10 |
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11 This program is distributed in the hope that it will be useful, but WITHOUT |
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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14 more details. |
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15 |
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16 You should have received a copy of the GNU General Public License along with |
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17 this program; if not, write to the Free Software Foundation, Inc., 59 |
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18 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 |
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20 The full GNU General Public License is included in this distribution in the |
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21 file called LICENSE. |
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22 |
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23 Contact Information: |
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24 Linux NICS <linux.nics@intel.com> |
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25 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
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26 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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27 |
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28 *******************************************************************************/ |
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29 |
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30 /* ethtool support for e1000 */ |
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31 |
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32 #include "e1000-2.6.18-ethercat.h" |
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33 |
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34 #include <asm/uaccess.h> |
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35 |
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36 struct e1000_stats { |
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37 char stat_string[ETH_GSTRING_LEN]; |
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38 int sizeof_stat; |
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39 int stat_offset; |
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40 }; |
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41 |
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42 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \ |
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43 offsetof(struct e1000_adapter, m) |
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44 static const struct e1000_stats e1000_gstrings_stats[] = { |
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45 { "rx_packets", E1000_STAT(net_stats.rx_packets) }, |
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46 { "tx_packets", E1000_STAT(net_stats.tx_packets) }, |
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47 { "rx_bytes", E1000_STAT(net_stats.rx_bytes) }, |
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48 { "tx_bytes", E1000_STAT(net_stats.tx_bytes) }, |
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49 { "rx_errors", E1000_STAT(net_stats.rx_errors) }, |
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50 { "tx_errors", E1000_STAT(net_stats.tx_errors) }, |
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51 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) }, |
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52 { "multicast", E1000_STAT(net_stats.multicast) }, |
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53 { "collisions", E1000_STAT(net_stats.collisions) }, |
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54 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) }, |
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55 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) }, |
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56 { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) }, |
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57 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) }, |
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58 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, |
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59 { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) }, |
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60 { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) }, |
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61 { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) }, |
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62 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) }, |
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63 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) }, |
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64 { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) }, |
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65 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, |
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66 { "tx_deferred_ok", E1000_STAT(stats.dc) }, |
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67 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, |
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68 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, |
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69 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, |
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70 { "rx_long_length_errors", E1000_STAT(stats.roc) }, |
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71 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, |
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72 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, |
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73 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, |
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74 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, |
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75 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, |
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76 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, |
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77 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, |
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78 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, |
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79 { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, |
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80 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, |
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81 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, |
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82 { "rx_header_split", E1000_STAT(rx_hdr_split) }, |
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83 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, |
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84 }; |
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85 |
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86 #define E1000_QUEUE_STATS_LEN 0 |
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87 #define E1000_GLOBAL_STATS_LEN \ |
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88 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats) |
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89 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) |
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90 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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91 "Register test (offline)", "Eeprom test (offline)", |
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92 "Interrupt test (offline)", "Loopback test (offline)", |
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93 "Link test (on/offline)" |
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94 }; |
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95 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN |
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96 |
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97 static int |
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98 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) |
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99 { |
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100 struct e1000_adapter *adapter = netdev_priv(netdev); |
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101 struct e1000_hw *hw = &adapter->hw; |
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102 |
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103 if (hw->media_type == e1000_media_type_copper) { |
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104 |
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105 ecmd->supported = (SUPPORTED_10baseT_Half | |
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106 SUPPORTED_10baseT_Full | |
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107 SUPPORTED_100baseT_Half | |
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108 SUPPORTED_100baseT_Full | |
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109 SUPPORTED_1000baseT_Full| |
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110 SUPPORTED_Autoneg | |
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111 SUPPORTED_TP); |
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112 if (hw->phy_type == e1000_phy_ife) |
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113 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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114 ecmd->advertising = ADVERTISED_TP; |
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115 |
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116 if (hw->autoneg == 1) { |
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117 ecmd->advertising |= ADVERTISED_Autoneg; |
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118 |
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119 /* the e1000 autoneg seems to match ethtool nicely */ |
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120 |
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121 ecmd->advertising |= hw->autoneg_advertised; |
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122 } |
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123 |
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124 ecmd->port = PORT_TP; |
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125 ecmd->phy_address = hw->phy_addr; |
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126 |
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127 if (hw->mac_type == e1000_82543) |
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128 ecmd->transceiver = XCVR_EXTERNAL; |
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129 else |
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130 ecmd->transceiver = XCVR_INTERNAL; |
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131 |
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132 } else { |
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133 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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134 SUPPORTED_FIBRE | |
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135 SUPPORTED_Autoneg); |
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136 |
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137 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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138 ADVERTISED_FIBRE | |
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139 ADVERTISED_Autoneg); |
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140 |
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141 ecmd->port = PORT_FIBRE; |
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142 |
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143 if (hw->mac_type >= e1000_82545) |
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144 ecmd->transceiver = XCVR_INTERNAL; |
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145 else |
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146 ecmd->transceiver = XCVR_EXTERNAL; |
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147 } |
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148 |
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149 if (netif_carrier_ok(adapter->netdev)) { |
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150 |
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151 e1000_get_speed_and_duplex(hw, &adapter->link_speed, |
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152 &adapter->link_duplex); |
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153 ecmd->speed = adapter->link_speed; |
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154 |
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155 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL |
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156 * and HALF_DUPLEX != DUPLEX_HALF */ |
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157 |
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158 if (adapter->link_duplex == FULL_DUPLEX) |
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159 ecmd->duplex = DUPLEX_FULL; |
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160 else |
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161 ecmd->duplex = DUPLEX_HALF; |
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162 } else { |
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163 ecmd->speed = -1; |
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164 ecmd->duplex = -1; |
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165 } |
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166 |
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167 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || |
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168 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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169 return 0; |
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170 } |
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171 |
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172 static int |
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173 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) |
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174 { |
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175 struct e1000_adapter *adapter = netdev_priv(netdev); |
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176 struct e1000_hw *hw = &adapter->hw; |
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177 |
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178 /* When SoL/IDER sessions are active, autoneg/speed/duplex |
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179 * cannot be changed */ |
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180 if (e1000_check_phy_reset_block(hw)) { |
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181 DPRINTK(DRV, ERR, "Cannot change link characteristics " |
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182 "when SoL/IDER is active.\n"); |
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183 return -EINVAL; |
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184 } |
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185 |
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186 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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187 hw->autoneg = 1; |
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188 if (hw->media_type == e1000_media_type_fiber) |
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189 hw->autoneg_advertised = ADVERTISED_1000baseT_Full | |
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190 ADVERTISED_FIBRE | |
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191 ADVERTISED_Autoneg; |
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192 else |
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193 hw->autoneg_advertised = ADVERTISED_10baseT_Half | |
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194 ADVERTISED_10baseT_Full | |
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195 ADVERTISED_100baseT_Half | |
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196 ADVERTISED_100baseT_Full | |
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197 ADVERTISED_1000baseT_Full| |
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198 ADVERTISED_Autoneg | |
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199 ADVERTISED_TP; |
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200 ecmd->advertising = hw->autoneg_advertised; |
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201 } else |
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202 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) |
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203 return -EINVAL; |
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204 |
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205 /* reset the link */ |
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206 |
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207 if (netif_running(adapter->netdev)) |
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208 e1000_reinit_locked(adapter); |
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209 else |
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210 e1000_reset(adapter); |
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211 |
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212 return 0; |
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213 } |
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214 |
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215 static void |
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216 e1000_get_pauseparam(struct net_device *netdev, |
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217 struct ethtool_pauseparam *pause) |
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218 { |
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219 struct e1000_adapter *adapter = netdev_priv(netdev); |
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220 struct e1000_hw *hw = &adapter->hw; |
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221 |
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222 pause->autoneg = |
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223 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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224 |
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225 if (hw->fc == e1000_fc_rx_pause) |
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226 pause->rx_pause = 1; |
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227 else if (hw->fc == e1000_fc_tx_pause) |
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228 pause->tx_pause = 1; |
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229 else if (hw->fc == e1000_fc_full) { |
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230 pause->rx_pause = 1; |
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231 pause->tx_pause = 1; |
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232 } |
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233 } |
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234 |
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235 static int |
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236 e1000_set_pauseparam(struct net_device *netdev, |
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237 struct ethtool_pauseparam *pause) |
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238 { |
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239 struct e1000_adapter *adapter = netdev_priv(netdev); |
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240 struct e1000_hw *hw = &adapter->hw; |
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241 |
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242 adapter->fc_autoneg = pause->autoneg; |
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243 |
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244 if (pause->rx_pause && pause->tx_pause) |
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245 hw->fc = e1000_fc_full; |
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246 else if (pause->rx_pause && !pause->tx_pause) |
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247 hw->fc = e1000_fc_rx_pause; |
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248 else if (!pause->rx_pause && pause->tx_pause) |
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249 hw->fc = e1000_fc_tx_pause; |
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250 else if (!pause->rx_pause && !pause->tx_pause) |
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251 hw->fc = e1000_fc_none; |
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252 |
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253 hw->original_fc = hw->fc; |
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254 |
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255 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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256 if (netif_running(adapter->netdev)) |
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257 e1000_reinit_locked(adapter); |
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258 else |
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259 e1000_reset(adapter); |
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260 } else |
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261 return ((hw->media_type == e1000_media_type_fiber) ? |
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262 e1000_setup_link(hw) : e1000_force_mac_fc(hw)); |
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263 |
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264 return 0; |
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265 } |
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266 |
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267 static uint32_t |
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268 e1000_get_rx_csum(struct net_device *netdev) |
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269 { |
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270 struct e1000_adapter *adapter = netdev_priv(netdev); |
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271 return adapter->rx_csum; |
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272 } |
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273 |
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274 static int |
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275 e1000_set_rx_csum(struct net_device *netdev, uint32_t data) |
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276 { |
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277 struct e1000_adapter *adapter = netdev_priv(netdev); |
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278 adapter->rx_csum = data; |
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279 |
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280 if (netif_running(netdev)) |
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281 e1000_reinit_locked(adapter); |
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282 else |
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283 e1000_reset(adapter); |
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284 return 0; |
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285 } |
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286 |
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287 static uint32_t |
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288 e1000_get_tx_csum(struct net_device *netdev) |
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289 { |
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290 return (netdev->features & NETIF_F_HW_CSUM) != 0; |
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291 } |
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292 |
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293 static int |
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294 e1000_set_tx_csum(struct net_device *netdev, uint32_t data) |
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295 { |
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296 struct e1000_adapter *adapter = netdev_priv(netdev); |
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297 |
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298 if (adapter->hw.mac_type < e1000_82543) { |
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299 if (!data) |
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300 return -EINVAL; |
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301 return 0; |
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302 } |
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303 |
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304 if (data) |
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305 netdev->features |= NETIF_F_HW_CSUM; |
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306 else |
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307 netdev->features &= ~NETIF_F_HW_CSUM; |
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308 |
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309 return 0; |
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310 } |
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311 |
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312 #ifdef NETIF_F_TSO |
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313 static int |
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314 e1000_set_tso(struct net_device *netdev, uint32_t data) |
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315 { |
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316 struct e1000_adapter *adapter = netdev_priv(netdev); |
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317 if ((adapter->hw.mac_type < e1000_82544) || |
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318 (adapter->hw.mac_type == e1000_82547)) |
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319 return data ? -EINVAL : 0; |
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320 |
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321 if (data) |
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322 netdev->features |= NETIF_F_TSO; |
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323 else |
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324 netdev->features &= ~NETIF_F_TSO; |
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325 |
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326 DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled"); |
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327 adapter->tso_force = TRUE; |
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328 return 0; |
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329 } |
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330 #endif /* NETIF_F_TSO */ |
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331 |
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332 static uint32_t |
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333 e1000_get_msglevel(struct net_device *netdev) |
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334 { |
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335 struct e1000_adapter *adapter = netdev_priv(netdev); |
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336 return adapter->msg_enable; |
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337 } |
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338 |
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339 static void |
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340 e1000_set_msglevel(struct net_device *netdev, uint32_t data) |
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341 { |
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342 struct e1000_adapter *adapter = netdev_priv(netdev); |
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343 adapter->msg_enable = data; |
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344 } |
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345 |
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346 static int |
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347 e1000_get_regs_len(struct net_device *netdev) |
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348 { |
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349 #define E1000_REGS_LEN 32 |
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350 return E1000_REGS_LEN * sizeof(uint32_t); |
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351 } |
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352 |
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353 static void |
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354 e1000_get_regs(struct net_device *netdev, |
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355 struct ethtool_regs *regs, void *p) |
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356 { |
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357 struct e1000_adapter *adapter = netdev_priv(netdev); |
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358 struct e1000_hw *hw = &adapter->hw; |
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359 uint32_t *regs_buff = p; |
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360 uint16_t phy_data; |
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361 |
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362 memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t)); |
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363 |
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364 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; |
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365 |
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366 regs_buff[0] = E1000_READ_REG(hw, CTRL); |
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367 regs_buff[1] = E1000_READ_REG(hw, STATUS); |
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368 |
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369 regs_buff[2] = E1000_READ_REG(hw, RCTL); |
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370 regs_buff[3] = E1000_READ_REG(hw, RDLEN); |
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371 regs_buff[4] = E1000_READ_REG(hw, RDH); |
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372 regs_buff[5] = E1000_READ_REG(hw, RDT); |
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373 regs_buff[6] = E1000_READ_REG(hw, RDTR); |
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374 |
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375 regs_buff[7] = E1000_READ_REG(hw, TCTL); |
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376 regs_buff[8] = E1000_READ_REG(hw, TDLEN); |
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377 regs_buff[9] = E1000_READ_REG(hw, TDH); |
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378 regs_buff[10] = E1000_READ_REG(hw, TDT); |
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379 regs_buff[11] = E1000_READ_REG(hw, TIDV); |
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380 |
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381 regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */ |
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382 if (hw->phy_type == e1000_phy_igp) { |
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383 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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384 IGP01E1000_PHY_AGC_A); |
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385 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & |
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386 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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387 regs_buff[13] = (uint32_t)phy_data; /* cable length */ |
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388 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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389 IGP01E1000_PHY_AGC_B); |
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390 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & |
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391 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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392 regs_buff[14] = (uint32_t)phy_data; /* cable length */ |
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393 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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394 IGP01E1000_PHY_AGC_C); |
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395 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & |
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396 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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397 regs_buff[15] = (uint32_t)phy_data; /* cable length */ |
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398 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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399 IGP01E1000_PHY_AGC_D); |
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400 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & |
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401 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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402 regs_buff[16] = (uint32_t)phy_data; /* cable length */ |
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403 regs_buff[17] = 0; /* extended 10bt distance (not needed) */ |
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404 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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405 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & |
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406 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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407 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */ |
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408 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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409 IGP01E1000_PHY_PCS_INIT_REG); |
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410 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & |
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411 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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412 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */ |
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413 regs_buff[20] = 0; /* polarity correction enabled (always) */ |
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414 regs_buff[22] = 0; /* phy receive errors (unavailable) */ |
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415 regs_buff[23] = regs_buff[18]; /* mdix mode */ |
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416 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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417 } else { |
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418 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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419 regs_buff[13] = (uint32_t)phy_data; /* cable length */ |
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420 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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421 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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422 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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423 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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424 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */ |
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425 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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426 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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427 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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428 /* phy receive errors */ |
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429 regs_buff[22] = adapter->phy_stats.receive_errors; |
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430 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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431 } |
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432 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ |
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433 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); |
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434 regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */ |
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435 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
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436 if (hw->mac_type >= e1000_82540 && |
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437 hw->media_type == e1000_media_type_copper) { |
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438 regs_buff[26] = E1000_READ_REG(hw, MANC); |
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439 } |
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440 } |
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441 |
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442 static int |
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443 e1000_get_eeprom_len(struct net_device *netdev) |
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444 { |
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445 struct e1000_adapter *adapter = netdev_priv(netdev); |
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446 return adapter->hw.eeprom.word_size * 2; |
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447 } |
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448 |
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449 static int |
|
450 e1000_get_eeprom(struct net_device *netdev, |
|
451 struct ethtool_eeprom *eeprom, uint8_t *bytes) |
|
452 { |
|
453 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
454 struct e1000_hw *hw = &adapter->hw; |
|
455 uint16_t *eeprom_buff; |
|
456 int first_word, last_word; |
|
457 int ret_val = 0; |
|
458 uint16_t i; |
|
459 |
|
460 if (eeprom->len == 0) |
|
461 return -EINVAL; |
|
462 |
|
463 eeprom->magic = hw->vendor_id | (hw->device_id << 16); |
|
464 |
|
465 first_word = eeprom->offset >> 1; |
|
466 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
467 |
|
468 eeprom_buff = kmalloc(sizeof(uint16_t) * |
|
469 (last_word - first_word + 1), GFP_KERNEL); |
|
470 if (!eeprom_buff) |
|
471 return -ENOMEM; |
|
472 |
|
473 if (hw->eeprom.type == e1000_eeprom_spi) |
|
474 ret_val = e1000_read_eeprom(hw, first_word, |
|
475 last_word - first_word + 1, |
|
476 eeprom_buff); |
|
477 else { |
|
478 for (i = 0; i < last_word - first_word + 1; i++) |
|
479 if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1, |
|
480 &eeprom_buff[i]))) |
|
481 break; |
|
482 } |
|
483 |
|
484 /* Device's eeprom is always little-endian, word addressable */ |
|
485 for (i = 0; i < last_word - first_word + 1; i++) |
|
486 le16_to_cpus(&eeprom_buff[i]); |
|
487 |
|
488 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1), |
|
489 eeprom->len); |
|
490 kfree(eeprom_buff); |
|
491 |
|
492 return ret_val; |
|
493 } |
|
494 |
|
495 static int |
|
496 e1000_set_eeprom(struct net_device *netdev, |
|
497 struct ethtool_eeprom *eeprom, uint8_t *bytes) |
|
498 { |
|
499 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
500 struct e1000_hw *hw = &adapter->hw; |
|
501 uint16_t *eeprom_buff; |
|
502 void *ptr; |
|
503 int max_len, first_word, last_word, ret_val = 0; |
|
504 uint16_t i; |
|
505 |
|
506 if (eeprom->len == 0) |
|
507 return -EOPNOTSUPP; |
|
508 |
|
509 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) |
|
510 return -EFAULT; |
|
511 |
|
512 max_len = hw->eeprom.word_size * 2; |
|
513 |
|
514 first_word = eeprom->offset >> 1; |
|
515 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
516 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
517 if (!eeprom_buff) |
|
518 return -ENOMEM; |
|
519 |
|
520 ptr = (void *)eeprom_buff; |
|
521 |
|
522 if (eeprom->offset & 1) { |
|
523 /* need read/modify/write of first changed EEPROM word */ |
|
524 /* only the second byte of the word is being modified */ |
|
525 ret_val = e1000_read_eeprom(hw, first_word, 1, |
|
526 &eeprom_buff[0]); |
|
527 ptr++; |
|
528 } |
|
529 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { |
|
530 /* need read/modify/write of last changed EEPROM word */ |
|
531 /* only the first byte of the word is being modified */ |
|
532 ret_val = e1000_read_eeprom(hw, last_word, 1, |
|
533 &eeprom_buff[last_word - first_word]); |
|
534 } |
|
535 |
|
536 /* Device's eeprom is always little-endian, word addressable */ |
|
537 for (i = 0; i < last_word - first_word + 1; i++) |
|
538 le16_to_cpus(&eeprom_buff[i]); |
|
539 |
|
540 memcpy(ptr, bytes, eeprom->len); |
|
541 |
|
542 for (i = 0; i < last_word - first_word + 1; i++) |
|
543 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); |
|
544 |
|
545 ret_val = e1000_write_eeprom(hw, first_word, |
|
546 last_word - first_word + 1, eeprom_buff); |
|
547 |
|
548 /* Update the checksum over the first part of the EEPROM if needed |
|
549 * and flush shadow RAM for 82573 conrollers */ |
|
550 if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || |
|
551 (hw->mac_type == e1000_82573))) |
|
552 e1000_update_eeprom_checksum(hw); |
|
553 |
|
554 kfree(eeprom_buff); |
|
555 return ret_val; |
|
556 } |
|
557 |
|
558 static void |
|
559 e1000_get_drvinfo(struct net_device *netdev, |
|
560 struct ethtool_drvinfo *drvinfo) |
|
561 { |
|
562 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
563 char firmware_version[32]; |
|
564 uint16_t eeprom_data; |
|
565 |
|
566 strncpy(drvinfo->driver, e1000_driver_name, 32); |
|
567 strncpy(drvinfo->version, e1000_driver_version, 32); |
|
568 |
|
569 /* EEPROM image version # is reported as firmware version # for |
|
570 * 8257{1|2|3} controllers */ |
|
571 e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data); |
|
572 switch (adapter->hw.mac_type) { |
|
573 case e1000_82571: |
|
574 case e1000_82572: |
|
575 case e1000_82573: |
|
576 case e1000_80003es2lan: |
|
577 case e1000_ich8lan: |
|
578 sprintf(firmware_version, "%d.%d-%d", |
|
579 (eeprom_data & 0xF000) >> 12, |
|
580 (eeprom_data & 0x0FF0) >> 4, |
|
581 eeprom_data & 0x000F); |
|
582 break; |
|
583 default: |
|
584 sprintf(firmware_version, "N/A"); |
|
585 } |
|
586 |
|
587 strncpy(drvinfo->fw_version, firmware_version, 32); |
|
588 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); |
|
589 drvinfo->n_stats = E1000_STATS_LEN; |
|
590 drvinfo->testinfo_len = E1000_TEST_LEN; |
|
591 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
592 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
593 } |
|
594 |
|
595 static void |
|
596 e1000_get_ringparam(struct net_device *netdev, |
|
597 struct ethtool_ringparam *ring) |
|
598 { |
|
599 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
600 e1000_mac_type mac_type = adapter->hw.mac_type; |
|
601 struct e1000_tx_ring *txdr = adapter->tx_ring; |
|
602 struct e1000_rx_ring *rxdr = adapter->rx_ring; |
|
603 |
|
604 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : |
|
605 E1000_MAX_82544_RXD; |
|
606 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : |
|
607 E1000_MAX_82544_TXD; |
|
608 ring->rx_mini_max_pending = 0; |
|
609 ring->rx_jumbo_max_pending = 0; |
|
610 ring->rx_pending = rxdr->count; |
|
611 ring->tx_pending = txdr->count; |
|
612 ring->rx_mini_pending = 0; |
|
613 ring->rx_jumbo_pending = 0; |
|
614 } |
|
615 |
|
616 static int |
|
617 e1000_set_ringparam(struct net_device *netdev, |
|
618 struct ethtool_ringparam *ring) |
|
619 { |
|
620 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
621 e1000_mac_type mac_type = adapter->hw.mac_type; |
|
622 struct e1000_tx_ring *txdr, *tx_old, *tx_new; |
|
623 struct e1000_rx_ring *rxdr, *rx_old, *rx_new; |
|
624 int i, err, tx_ring_size, rx_ring_size; |
|
625 |
|
626 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
627 return -EINVAL; |
|
628 |
|
629 tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues; |
|
630 rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues; |
|
631 |
|
632 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
|
633 msleep(1); |
|
634 |
|
635 if (netif_running(adapter->netdev)) |
|
636 e1000_down(adapter); |
|
637 |
|
638 tx_old = adapter->tx_ring; |
|
639 rx_old = adapter->rx_ring; |
|
640 |
|
641 adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL); |
|
642 if (!adapter->tx_ring) { |
|
643 err = -ENOMEM; |
|
644 goto err_setup_rx; |
|
645 } |
|
646 memset(adapter->tx_ring, 0, tx_ring_size); |
|
647 |
|
648 adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL); |
|
649 if (!adapter->rx_ring) { |
|
650 kfree(adapter->tx_ring); |
|
651 err = -ENOMEM; |
|
652 goto err_setup_rx; |
|
653 } |
|
654 memset(adapter->rx_ring, 0, rx_ring_size); |
|
655 |
|
656 txdr = adapter->tx_ring; |
|
657 rxdr = adapter->rx_ring; |
|
658 |
|
659 rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); |
|
660 rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? |
|
661 E1000_MAX_RXD : E1000_MAX_82544_RXD)); |
|
662 E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
663 |
|
664 txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD); |
|
665 txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ? |
|
666 E1000_MAX_TXD : E1000_MAX_82544_TXD)); |
|
667 E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
668 |
|
669 for (i = 0; i < adapter->num_tx_queues; i++) |
|
670 txdr[i].count = txdr->count; |
|
671 for (i = 0; i < adapter->num_rx_queues; i++) |
|
672 rxdr[i].count = rxdr->count; |
|
673 |
|
674 if (netif_running(adapter->netdev)) { |
|
675 /* Try to get new resources before deleting old */ |
|
676 if ((err = e1000_setup_all_rx_resources(adapter))) |
|
677 goto err_setup_rx; |
|
678 if ((err = e1000_setup_all_tx_resources(adapter))) |
|
679 goto err_setup_tx; |
|
680 |
|
681 /* save the new, restore the old in order to free it, |
|
682 * then restore the new back again */ |
|
683 |
|
684 rx_new = adapter->rx_ring; |
|
685 tx_new = adapter->tx_ring; |
|
686 adapter->rx_ring = rx_old; |
|
687 adapter->tx_ring = tx_old; |
|
688 e1000_free_all_rx_resources(adapter); |
|
689 e1000_free_all_tx_resources(adapter); |
|
690 kfree(tx_old); |
|
691 kfree(rx_old); |
|
692 adapter->rx_ring = rx_new; |
|
693 adapter->tx_ring = tx_new; |
|
694 if ((err = e1000_up(adapter))) |
|
695 goto err_setup; |
|
696 } |
|
697 |
|
698 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
699 |
|
700 return 0; |
|
701 err_setup_tx: |
|
702 e1000_free_all_rx_resources(adapter); |
|
703 err_setup_rx: |
|
704 adapter->rx_ring = rx_old; |
|
705 adapter->tx_ring = tx_old; |
|
706 e1000_up(adapter); |
|
707 err_setup: |
|
708 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
709 return err; |
|
710 } |
|
711 |
|
712 #define REG_PATTERN_TEST(R, M, W) \ |
|
713 { \ |
|
714 uint32_t pat, value; \ |
|
715 uint32_t test[] = \ |
|
716 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ |
|
717 for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \ |
|
718 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \ |
|
719 value = E1000_READ_REG(&adapter->hw, R); \ |
|
720 if (value != (test[pat] & W & M)) { \ |
|
721 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \ |
|
722 "0x%08X expected 0x%08X\n", \ |
|
723 E1000_##R, value, (test[pat] & W & M)); \ |
|
724 *data = (adapter->hw.mac_type < e1000_82543) ? \ |
|
725 E1000_82542_##R : E1000_##R; \ |
|
726 return 1; \ |
|
727 } \ |
|
728 } \ |
|
729 } |
|
730 |
|
731 #define REG_SET_AND_CHECK(R, M, W) \ |
|
732 { \ |
|
733 uint32_t value; \ |
|
734 E1000_WRITE_REG(&adapter->hw, R, W & M); \ |
|
735 value = E1000_READ_REG(&adapter->hw, R); \ |
|
736 if ((W & M) != (value & M)) { \ |
|
737 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\ |
|
738 "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \ |
|
739 *data = (adapter->hw.mac_type < e1000_82543) ? \ |
|
740 E1000_82542_##R : E1000_##R; \ |
|
741 return 1; \ |
|
742 } \ |
|
743 } |
|
744 |
|
745 static int |
|
746 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) |
|
747 { |
|
748 uint32_t value, before, after; |
|
749 uint32_t i, toggle; |
|
750 |
|
751 /* The status register is Read Only, so a write should fail. |
|
752 * Some bits that get toggled are ignored. |
|
753 */ |
|
754 switch (adapter->hw.mac_type) { |
|
755 /* there are several bits on newer hardware that are r/w */ |
|
756 case e1000_82571: |
|
757 case e1000_82572: |
|
758 case e1000_80003es2lan: |
|
759 toggle = 0x7FFFF3FF; |
|
760 break; |
|
761 case e1000_82573: |
|
762 case e1000_ich8lan: |
|
763 toggle = 0x7FFFF033; |
|
764 break; |
|
765 default: |
|
766 toggle = 0xFFFFF833; |
|
767 break; |
|
768 } |
|
769 |
|
770 before = E1000_READ_REG(&adapter->hw, STATUS); |
|
771 value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle); |
|
772 E1000_WRITE_REG(&adapter->hw, STATUS, toggle); |
|
773 after = E1000_READ_REG(&adapter->hw, STATUS) & toggle; |
|
774 if (value != after) { |
|
775 DPRINTK(DRV, ERR, "failed STATUS register test got: " |
|
776 "0x%08X expected: 0x%08X\n", after, value); |
|
777 *data = 1; |
|
778 return 1; |
|
779 } |
|
780 /* restore previous status */ |
|
781 E1000_WRITE_REG(&adapter->hw, STATUS, before); |
|
782 if (adapter->hw.mac_type != e1000_ich8lan) { |
|
783 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
784 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
785 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
786 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); |
|
787 } |
|
788 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
789 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
790 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); |
|
791 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); |
|
792 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); |
|
793 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
794 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
795 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
796 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
797 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); |
|
798 |
|
799 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); |
|
800 before = (adapter->hw.mac_type == e1000_ich8lan ? |
|
801 0x06C3B33E : 0x06DFB3FE); |
|
802 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); |
|
803 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); |
|
804 |
|
805 if (adapter->hw.mac_type >= e1000_82543) { |
|
806 |
|
807 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF); |
|
808 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
809 if (adapter->hw.mac_type != e1000_ich8lan) |
|
810 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); |
|
811 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
812 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); |
|
813 value = (adapter->hw.mac_type == e1000_ich8lan ? |
|
814 E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES); |
|
815 for (i = 0; i < value; i++) { |
|
816 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, |
|
817 0xFFFFFFFF); |
|
818 } |
|
819 |
|
820 } else { |
|
821 |
|
822 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); |
|
823 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
824 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); |
|
825 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
826 |
|
827 } |
|
828 |
|
829 value = (adapter->hw.mac_type == e1000_ich8lan ? |
|
830 E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE); |
|
831 for (i = 0; i < value; i++) |
|
832 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); |
|
833 |
|
834 *data = 0; |
|
835 return 0; |
|
836 } |
|
837 |
|
838 static int |
|
839 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data) |
|
840 { |
|
841 uint16_t temp; |
|
842 uint16_t checksum = 0; |
|
843 uint16_t i; |
|
844 |
|
845 *data = 0; |
|
846 /* Read and add up the contents of the EEPROM */ |
|
847 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { |
|
848 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) { |
|
849 *data = 1; |
|
850 break; |
|
851 } |
|
852 checksum += temp; |
|
853 } |
|
854 |
|
855 /* If Checksum is not Correct return error else test passed */ |
|
856 if ((checksum != (uint16_t) EEPROM_SUM) && !(*data)) |
|
857 *data = 2; |
|
858 |
|
859 return *data; |
|
860 } |
|
861 |
|
862 static irqreturn_t |
|
863 e1000_test_intr(int irq, |
|
864 void *data, |
|
865 struct pt_regs *regs) |
|
866 { |
|
867 struct net_device *netdev = (struct net_device *) data; |
|
868 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
869 |
|
870 adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR); |
|
871 |
|
872 return IRQ_HANDLED; |
|
873 } |
|
874 |
|
875 static int |
|
876 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) |
|
877 { |
|
878 struct net_device *netdev = adapter->netdev; |
|
879 uint32_t mask, i=0, shared_int = TRUE; |
|
880 uint32_t irq = adapter->pdev->irq; |
|
881 |
|
882 *data = 0; |
|
883 |
|
884 /* Hook up test interrupt handler just for this test */ |
|
885 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, |
|
886 netdev->name, netdev)) { |
|
887 shared_int = FALSE; |
|
888 } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED, |
|
889 netdev->name, netdev)){ |
|
890 *data = 1; |
|
891 return -1; |
|
892 } |
|
893 DPRINTK(PROBE,INFO, "testing %s interrupt\n", |
|
894 (shared_int ? "shared" : "unshared")); |
|
895 |
|
896 /* Disable all the interrupts */ |
|
897 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF); |
|
898 msec_delay(10); |
|
899 |
|
900 /* Test each interrupt */ |
|
901 for (; i < 10; i++) { |
|
902 |
|
903 if (adapter->hw.mac_type == e1000_ich8lan && i == 8) |
|
904 continue; |
|
905 /* Interrupt to test */ |
|
906 mask = 1 << i; |
|
907 |
|
908 if (!shared_int) { |
|
909 /* Disable the interrupt to be reported in |
|
910 * the cause register and then force the same |
|
911 * interrupt and see if one gets posted. If |
|
912 * an interrupt was posted to the bus, the |
|
913 * test failed. |
|
914 */ |
|
915 adapter->test_icr = 0; |
|
916 E1000_WRITE_REG(&adapter->hw, IMC, mask); |
|
917 E1000_WRITE_REG(&adapter->hw, ICS, mask); |
|
918 msec_delay(10); |
|
919 |
|
920 if (adapter->test_icr & mask) { |
|
921 *data = 3; |
|
922 break; |
|
923 } |
|
924 } |
|
925 |
|
926 /* Enable the interrupt to be reported in |
|
927 * the cause register and then force the same |
|
928 * interrupt and see if one gets posted. If |
|
929 * an interrupt was not posted to the bus, the |
|
930 * test failed. |
|
931 */ |
|
932 adapter->test_icr = 0; |
|
933 E1000_WRITE_REG(&adapter->hw, IMS, mask); |
|
934 E1000_WRITE_REG(&adapter->hw, ICS, mask); |
|
935 msec_delay(10); |
|
936 |
|
937 if (!(adapter->test_icr & mask)) { |
|
938 *data = 4; |
|
939 break; |
|
940 } |
|
941 |
|
942 if (!shared_int) { |
|
943 /* Disable the other interrupts to be reported in |
|
944 * the cause register and then force the other |
|
945 * interrupts and see if any get posted. If |
|
946 * an interrupt was posted to the bus, the |
|
947 * test failed. |
|
948 */ |
|
949 adapter->test_icr = 0; |
|
950 E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF); |
|
951 E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF); |
|
952 msec_delay(10); |
|
953 |
|
954 if (adapter->test_icr) { |
|
955 *data = 5; |
|
956 break; |
|
957 } |
|
958 } |
|
959 } |
|
960 |
|
961 /* Disable all the interrupts */ |
|
962 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF); |
|
963 msec_delay(10); |
|
964 |
|
965 /* Unhook test interrupt handler */ |
|
966 free_irq(irq, netdev); |
|
967 |
|
968 return *data; |
|
969 } |
|
970 |
|
971 static void |
|
972 e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
973 { |
|
974 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
975 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
976 struct pci_dev *pdev = adapter->pdev; |
|
977 int i; |
|
978 |
|
979 if (txdr->desc && txdr->buffer_info) { |
|
980 for (i = 0; i < txdr->count; i++) { |
|
981 if (txdr->buffer_info[i].dma) |
|
982 pci_unmap_single(pdev, txdr->buffer_info[i].dma, |
|
983 txdr->buffer_info[i].length, |
|
984 PCI_DMA_TODEVICE); |
|
985 if (txdr->buffer_info[i].skb) |
|
986 dev_kfree_skb(txdr->buffer_info[i].skb); |
|
987 } |
|
988 } |
|
989 |
|
990 if (rxdr->desc && rxdr->buffer_info) { |
|
991 for (i = 0; i < rxdr->count; i++) { |
|
992 if (rxdr->buffer_info[i].dma) |
|
993 pci_unmap_single(pdev, rxdr->buffer_info[i].dma, |
|
994 rxdr->buffer_info[i].length, |
|
995 PCI_DMA_FROMDEVICE); |
|
996 if (rxdr->buffer_info[i].skb) |
|
997 dev_kfree_skb(rxdr->buffer_info[i].skb); |
|
998 } |
|
999 } |
|
1000 |
|
1001 if (txdr->desc) { |
|
1002 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma); |
|
1003 txdr->desc = NULL; |
|
1004 } |
|
1005 if (rxdr->desc) { |
|
1006 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma); |
|
1007 rxdr->desc = NULL; |
|
1008 } |
|
1009 |
|
1010 kfree(txdr->buffer_info); |
|
1011 txdr->buffer_info = NULL; |
|
1012 kfree(rxdr->buffer_info); |
|
1013 rxdr->buffer_info = NULL; |
|
1014 |
|
1015 return; |
|
1016 } |
|
1017 |
|
1018 static int |
|
1019 e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1020 { |
|
1021 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1022 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1023 struct pci_dev *pdev = adapter->pdev; |
|
1024 uint32_t rctl; |
|
1025 int size, i, ret_val; |
|
1026 |
|
1027 /* Setup Tx descriptor ring and Tx buffers */ |
|
1028 |
|
1029 if (!txdr->count) |
|
1030 txdr->count = E1000_DEFAULT_TXD; |
|
1031 |
|
1032 size = txdr->count * sizeof(struct e1000_buffer); |
|
1033 if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) { |
|
1034 ret_val = 1; |
|
1035 goto err_nomem; |
|
1036 } |
|
1037 memset(txdr->buffer_info, 0, size); |
|
1038 |
|
1039 txdr->size = txdr->count * sizeof(struct e1000_tx_desc); |
|
1040 E1000_ROUNDUP(txdr->size, 4096); |
|
1041 if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) { |
|
1042 ret_val = 2; |
|
1043 goto err_nomem; |
|
1044 } |
|
1045 memset(txdr->desc, 0, txdr->size); |
|
1046 txdr->next_to_use = txdr->next_to_clean = 0; |
|
1047 |
|
1048 E1000_WRITE_REG(&adapter->hw, TDBAL, |
|
1049 ((uint64_t) txdr->dma & 0x00000000FFFFFFFF)); |
|
1050 E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32)); |
|
1051 E1000_WRITE_REG(&adapter->hw, TDLEN, |
|
1052 txdr->count * sizeof(struct e1000_tx_desc)); |
|
1053 E1000_WRITE_REG(&adapter->hw, TDH, 0); |
|
1054 E1000_WRITE_REG(&adapter->hw, TDT, 0); |
|
1055 E1000_WRITE_REG(&adapter->hw, TCTL, |
|
1056 E1000_TCTL_PSP | E1000_TCTL_EN | |
|
1057 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1058 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1059 |
|
1060 for (i = 0; i < txdr->count; i++) { |
|
1061 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); |
|
1062 struct sk_buff *skb; |
|
1063 unsigned int size = 1024; |
|
1064 |
|
1065 if (!(skb = alloc_skb(size, GFP_KERNEL))) { |
|
1066 ret_val = 3; |
|
1067 goto err_nomem; |
|
1068 } |
|
1069 skb_put(skb, size); |
|
1070 txdr->buffer_info[i].skb = skb; |
|
1071 txdr->buffer_info[i].length = skb->len; |
|
1072 txdr->buffer_info[i].dma = |
|
1073 pci_map_single(pdev, skb->data, skb->len, |
|
1074 PCI_DMA_TODEVICE); |
|
1075 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); |
|
1076 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1077 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1078 E1000_TXD_CMD_IFCS | |
|
1079 E1000_TXD_CMD_RPS); |
|
1080 tx_desc->upper.data = 0; |
|
1081 } |
|
1082 |
|
1083 /* Setup Rx descriptor ring and Rx buffers */ |
|
1084 |
|
1085 if (!rxdr->count) |
|
1086 rxdr->count = E1000_DEFAULT_RXD; |
|
1087 |
|
1088 size = rxdr->count * sizeof(struct e1000_buffer); |
|
1089 if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) { |
|
1090 ret_val = 4; |
|
1091 goto err_nomem; |
|
1092 } |
|
1093 memset(rxdr->buffer_info, 0, size); |
|
1094 |
|
1095 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); |
|
1096 if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) { |
|
1097 ret_val = 5; |
|
1098 goto err_nomem; |
|
1099 } |
|
1100 memset(rxdr->desc, 0, rxdr->size); |
|
1101 rxdr->next_to_use = rxdr->next_to_clean = 0; |
|
1102 |
|
1103 rctl = E1000_READ_REG(&adapter->hw, RCTL); |
|
1104 E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN); |
|
1105 E1000_WRITE_REG(&adapter->hw, RDBAL, |
|
1106 ((uint64_t) rxdr->dma & 0xFFFFFFFF)); |
|
1107 E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32)); |
|
1108 E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size); |
|
1109 E1000_WRITE_REG(&adapter->hw, RDH, 0); |
|
1110 E1000_WRITE_REG(&adapter->hw, RDT, 0); |
|
1111 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1112 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1113 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1114 E1000_WRITE_REG(&adapter->hw, RCTL, rctl); |
|
1115 |
|
1116 for (i = 0; i < rxdr->count; i++) { |
|
1117 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); |
|
1118 struct sk_buff *skb; |
|
1119 |
|
1120 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, |
|
1121 GFP_KERNEL))) { |
|
1122 ret_val = 6; |
|
1123 goto err_nomem; |
|
1124 } |
|
1125 skb_reserve(skb, NET_IP_ALIGN); |
|
1126 rxdr->buffer_info[i].skb = skb; |
|
1127 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; |
|
1128 rxdr->buffer_info[i].dma = |
|
1129 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048, |
|
1130 PCI_DMA_FROMDEVICE); |
|
1131 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); |
|
1132 memset(skb->data, 0x00, skb->len); |
|
1133 } |
|
1134 |
|
1135 return 0; |
|
1136 |
|
1137 err_nomem: |
|
1138 e1000_free_desc_rings(adapter); |
|
1139 return ret_val; |
|
1140 } |
|
1141 |
|
1142 static void |
|
1143 e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1144 { |
|
1145 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1146 e1000_write_phy_reg(&adapter->hw, 29, 0x001F); |
|
1147 e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC); |
|
1148 e1000_write_phy_reg(&adapter->hw, 29, 0x001A); |
|
1149 e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0); |
|
1150 } |
|
1151 |
|
1152 static void |
|
1153 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) |
|
1154 { |
|
1155 uint16_t phy_reg; |
|
1156 |
|
1157 /* Because we reset the PHY above, we need to re-force TX_CLK in the |
|
1158 * Extended PHY Specific Control Register to 25MHz clock. This |
|
1159 * value defaults back to a 2.5MHz clock when the PHY is reset. |
|
1160 */ |
|
1161 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1162 phy_reg |= M88E1000_EPSCR_TX_CLK_25; |
|
1163 e1000_write_phy_reg(&adapter->hw, |
|
1164 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); |
|
1165 |
|
1166 /* In addition, because of the s/w reset above, we need to enable |
|
1167 * CRS on TX. This must be set for both full and half duplex |
|
1168 * operation. |
|
1169 */ |
|
1170 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1171 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; |
|
1172 e1000_write_phy_reg(&adapter->hw, |
|
1173 M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1174 } |
|
1175 |
|
1176 static int |
|
1177 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) |
|
1178 { |
|
1179 uint32_t ctrl_reg; |
|
1180 uint16_t phy_reg; |
|
1181 |
|
1182 /* Setup the Device Control Register for PHY loopback test. */ |
|
1183 |
|
1184 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); |
|
1185 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ |
|
1186 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1187 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1188 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ |
|
1189 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1190 |
|
1191 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg); |
|
1192 |
|
1193 /* Read the PHY Specific Control Register (0x10) */ |
|
1194 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1195 |
|
1196 /* Clear Auto-Crossover bits in PHY Specific Control Register |
|
1197 * (bits 6:5). |
|
1198 */ |
|
1199 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; |
|
1200 e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1201 |
|
1202 /* Perform software reset on the PHY */ |
|
1203 e1000_phy_reset(&adapter->hw); |
|
1204 |
|
1205 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1206 e1000_phy_reset_clk_and_crs(adapter); |
|
1207 |
|
1208 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100); |
|
1209 |
|
1210 /* Wait for reset to complete. */ |
|
1211 udelay(500); |
|
1212 |
|
1213 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1214 e1000_phy_reset_clk_and_crs(adapter); |
|
1215 |
|
1216 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1217 e1000_phy_disable_receiver(adapter); |
|
1218 |
|
1219 /* Set the loopback bit in the PHY control register. */ |
|
1220 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); |
|
1221 phy_reg |= MII_CR_LOOPBACK; |
|
1222 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); |
|
1223 |
|
1224 /* Setup TX_CLK and TX_CRS one more time. */ |
|
1225 e1000_phy_reset_clk_and_crs(adapter); |
|
1226 |
|
1227 /* Check Phy Configuration */ |
|
1228 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); |
|
1229 if (phy_reg != 0x4100) |
|
1230 return 9; |
|
1231 |
|
1232 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1233 if (phy_reg != 0x0070) |
|
1234 return 10; |
|
1235 |
|
1236 e1000_read_phy_reg(&adapter->hw, 29, &phy_reg); |
|
1237 if (phy_reg != 0x001A) |
|
1238 return 11; |
|
1239 |
|
1240 return 0; |
|
1241 } |
|
1242 |
|
1243 static int |
|
1244 e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1245 { |
|
1246 uint32_t ctrl_reg = 0; |
|
1247 uint32_t stat_reg = 0; |
|
1248 |
|
1249 adapter->hw.autoneg = FALSE; |
|
1250 |
|
1251 if (adapter->hw.phy_type == e1000_phy_m88) { |
|
1252 /* Auto-MDI/MDIX Off */ |
|
1253 e1000_write_phy_reg(&adapter->hw, |
|
1254 M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1255 /* reset to update Auto-MDI/MDIX */ |
|
1256 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140); |
|
1257 /* autoneg off */ |
|
1258 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140); |
|
1259 } else if (adapter->hw.phy_type == e1000_phy_gg82563) { |
|
1260 e1000_write_phy_reg(&adapter->hw, |
|
1261 GG82563_PHY_KMRN_MODE_CTRL, |
|
1262 0x1CC); |
|
1263 } |
|
1264 |
|
1265 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); |
|
1266 |
|
1267 if (adapter->hw.phy_type == e1000_phy_ife) { |
|
1268 /* force 100, set loopback */ |
|
1269 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x6100); |
|
1270 |
|
1271 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1272 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1273 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1274 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1275 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1276 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1277 } else { |
|
1278 /* force 1000, set loopback */ |
|
1279 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140); |
|
1280 |
|
1281 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1282 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); |
|
1283 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1284 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1285 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1286 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1287 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1288 } |
|
1289 |
|
1290 if (adapter->hw.media_type == e1000_media_type_copper && |
|
1291 adapter->hw.phy_type == e1000_phy_m88) { |
|
1292 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1293 } else { |
|
1294 /* Set the ILOS bit on the fiber Nic is half |
|
1295 * duplex link is detected. */ |
|
1296 stat_reg = E1000_READ_REG(&adapter->hw, STATUS); |
|
1297 if ((stat_reg & E1000_STATUS_FD) == 0) |
|
1298 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1299 } |
|
1300 |
|
1301 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg); |
|
1302 |
|
1303 /* Disable the receiver on the PHY so when a cable is plugged in, the |
|
1304 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1305 */ |
|
1306 if (adapter->hw.phy_type == e1000_phy_m88) |
|
1307 e1000_phy_disable_receiver(adapter); |
|
1308 |
|
1309 udelay(500); |
|
1310 |
|
1311 return 0; |
|
1312 } |
|
1313 |
|
1314 static int |
|
1315 e1000_set_phy_loopback(struct e1000_adapter *adapter) |
|
1316 { |
|
1317 uint16_t phy_reg = 0; |
|
1318 uint16_t count = 0; |
|
1319 |
|
1320 switch (adapter->hw.mac_type) { |
|
1321 case e1000_82543: |
|
1322 if (adapter->hw.media_type == e1000_media_type_copper) { |
|
1323 /* Attempt to setup Loopback mode on Non-integrated PHY. |
|
1324 * Some PHY registers get corrupted at random, so |
|
1325 * attempt this 10 times. |
|
1326 */ |
|
1327 while (e1000_nonintegrated_phy_loopback(adapter) && |
|
1328 count++ < 10); |
|
1329 if (count < 11) |
|
1330 return 0; |
|
1331 } |
|
1332 break; |
|
1333 |
|
1334 case e1000_82544: |
|
1335 case e1000_82540: |
|
1336 case e1000_82545: |
|
1337 case e1000_82545_rev_3: |
|
1338 case e1000_82546: |
|
1339 case e1000_82546_rev_3: |
|
1340 case e1000_82541: |
|
1341 case e1000_82541_rev_2: |
|
1342 case e1000_82547: |
|
1343 case e1000_82547_rev_2: |
|
1344 case e1000_82571: |
|
1345 case e1000_82572: |
|
1346 case e1000_82573: |
|
1347 case e1000_80003es2lan: |
|
1348 case e1000_ich8lan: |
|
1349 return e1000_integrated_phy_loopback(adapter); |
|
1350 break; |
|
1351 |
|
1352 default: |
|
1353 /* Default PHY loopback work is to read the MII |
|
1354 * control register and assert bit 14 (loopback mode). |
|
1355 */ |
|
1356 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); |
|
1357 phy_reg |= MII_CR_LOOPBACK; |
|
1358 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); |
|
1359 return 0; |
|
1360 break; |
|
1361 } |
|
1362 |
|
1363 return 8; |
|
1364 } |
|
1365 |
|
1366 static int |
|
1367 e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1368 { |
|
1369 struct e1000_hw *hw = &adapter->hw; |
|
1370 uint32_t rctl; |
|
1371 |
|
1372 if (hw->media_type == e1000_media_type_fiber || |
|
1373 hw->media_type == e1000_media_type_internal_serdes) { |
|
1374 switch (hw->mac_type) { |
|
1375 case e1000_82545: |
|
1376 case e1000_82546: |
|
1377 case e1000_82545_rev_3: |
|
1378 case e1000_82546_rev_3: |
|
1379 return e1000_set_phy_loopback(adapter); |
|
1380 break; |
|
1381 case e1000_82571: |
|
1382 case e1000_82572: |
|
1383 #define E1000_SERDES_LB_ON 0x410 |
|
1384 e1000_set_phy_loopback(adapter); |
|
1385 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON); |
|
1386 msec_delay(10); |
|
1387 return 0; |
|
1388 break; |
|
1389 default: |
|
1390 rctl = E1000_READ_REG(hw, RCTL); |
|
1391 rctl |= E1000_RCTL_LBM_TCVR; |
|
1392 E1000_WRITE_REG(hw, RCTL, rctl); |
|
1393 return 0; |
|
1394 } |
|
1395 } else if (hw->media_type == e1000_media_type_copper) |
|
1396 return e1000_set_phy_loopback(adapter); |
|
1397 |
|
1398 return 7; |
|
1399 } |
|
1400 |
|
1401 static void |
|
1402 e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1403 { |
|
1404 struct e1000_hw *hw = &adapter->hw; |
|
1405 uint32_t rctl; |
|
1406 uint16_t phy_reg; |
|
1407 |
|
1408 rctl = E1000_READ_REG(hw, RCTL); |
|
1409 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1410 E1000_WRITE_REG(hw, RCTL, rctl); |
|
1411 |
|
1412 switch (hw->mac_type) { |
|
1413 case e1000_82571: |
|
1414 case e1000_82572: |
|
1415 if (hw->media_type == e1000_media_type_fiber || |
|
1416 hw->media_type == e1000_media_type_internal_serdes) { |
|
1417 #define E1000_SERDES_LB_OFF 0x400 |
|
1418 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF); |
|
1419 msec_delay(10); |
|
1420 break; |
|
1421 } |
|
1422 /* Fall Through */ |
|
1423 case e1000_82545: |
|
1424 case e1000_82546: |
|
1425 case e1000_82545_rev_3: |
|
1426 case e1000_82546_rev_3: |
|
1427 default: |
|
1428 hw->autoneg = TRUE; |
|
1429 if (hw->phy_type == e1000_phy_gg82563) { |
|
1430 e1000_write_phy_reg(hw, |
|
1431 GG82563_PHY_KMRN_MODE_CTRL, |
|
1432 0x180); |
|
1433 } |
|
1434 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1435 if (phy_reg & MII_CR_LOOPBACK) { |
|
1436 phy_reg &= ~MII_CR_LOOPBACK; |
|
1437 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1438 e1000_phy_reset(hw); |
|
1439 } |
|
1440 break; |
|
1441 } |
|
1442 } |
|
1443 |
|
1444 static void |
|
1445 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) |
|
1446 { |
|
1447 memset(skb->data, 0xFF, frame_size); |
|
1448 frame_size &= ~1; |
|
1449 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1450 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1451 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1452 } |
|
1453 |
|
1454 static int |
|
1455 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) |
|
1456 { |
|
1457 frame_size &= ~1; |
|
1458 if (*(skb->data + 3) == 0xFF) { |
|
1459 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1460 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { |
|
1461 return 0; |
|
1462 } |
|
1463 } |
|
1464 return 13; |
|
1465 } |
|
1466 |
|
1467 static int |
|
1468 e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1469 { |
|
1470 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1471 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1472 struct pci_dev *pdev = adapter->pdev; |
|
1473 int i, j, k, l, lc, good_cnt, ret_val=0; |
|
1474 unsigned long time; |
|
1475 |
|
1476 E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1); |
|
1477 |
|
1478 /* Calculate the loop count based on the largest descriptor ring |
|
1479 * The idea is to wrap the largest ring a number of times using 64 |
|
1480 * send/receive pairs during each loop |
|
1481 */ |
|
1482 |
|
1483 if (rxdr->count <= txdr->count) |
|
1484 lc = ((txdr->count / 64) * 2) + 1; |
|
1485 else |
|
1486 lc = ((rxdr->count / 64) * 2) + 1; |
|
1487 |
|
1488 k = l = 0; |
|
1489 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1490 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1491 e1000_create_lbtest_frame(txdr->buffer_info[i].skb, |
|
1492 1024); |
|
1493 pci_dma_sync_single_for_device(pdev, |
|
1494 txdr->buffer_info[k].dma, |
|
1495 txdr->buffer_info[k].length, |
|
1496 PCI_DMA_TODEVICE); |
|
1497 if (unlikely(++k == txdr->count)) k = 0; |
|
1498 } |
|
1499 E1000_WRITE_REG(&adapter->hw, TDT, k); |
|
1500 msec_delay(200); |
|
1501 time = jiffies; /* set the start time for the receive */ |
|
1502 good_cnt = 0; |
|
1503 do { /* receive the sent packets */ |
|
1504 pci_dma_sync_single_for_cpu(pdev, |
|
1505 rxdr->buffer_info[l].dma, |
|
1506 rxdr->buffer_info[l].length, |
|
1507 PCI_DMA_FROMDEVICE); |
|
1508 |
|
1509 ret_val = e1000_check_lbtest_frame( |
|
1510 rxdr->buffer_info[l].skb, |
|
1511 1024); |
|
1512 if (!ret_val) |
|
1513 good_cnt++; |
|
1514 if (unlikely(++l == rxdr->count)) l = 0; |
|
1515 /* time + 20 msecs (200 msecs on 2.4) is more than |
|
1516 * enough time to complete the receives, if it's |
|
1517 * exceeded, break and error off |
|
1518 */ |
|
1519 } while (good_cnt < 64 && jiffies < (time + 20)); |
|
1520 if (good_cnt != 64) { |
|
1521 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1522 break; |
|
1523 } |
|
1524 if (jiffies >= (time + 2)) { |
|
1525 ret_val = 14; /* error code for time out error */ |
|
1526 break; |
|
1527 } |
|
1528 } /* end loop count loop */ |
|
1529 return ret_val; |
|
1530 } |
|
1531 |
|
1532 static int |
|
1533 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data) |
|
1534 { |
|
1535 /* PHY loopback cannot be performed if SoL/IDER |
|
1536 * sessions are active */ |
|
1537 if (e1000_check_phy_reset_block(&adapter->hw)) { |
|
1538 DPRINTK(DRV, ERR, "Cannot do PHY loopback test " |
|
1539 "when SoL/IDER is active.\n"); |
|
1540 *data = 0; |
|
1541 goto out; |
|
1542 } |
|
1543 |
|
1544 if ((*data = e1000_setup_desc_rings(adapter))) |
|
1545 goto out; |
|
1546 if ((*data = e1000_setup_loopback_test(adapter))) |
|
1547 goto err_loopback; |
|
1548 *data = e1000_run_loopback_test(adapter); |
|
1549 e1000_loopback_cleanup(adapter); |
|
1550 |
|
1551 err_loopback: |
|
1552 e1000_free_desc_rings(adapter); |
|
1553 out: |
|
1554 return *data; |
|
1555 } |
|
1556 |
|
1557 static int |
|
1558 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data) |
|
1559 { |
|
1560 *data = 0; |
|
1561 if (adapter->hw.media_type == e1000_media_type_internal_serdes) { |
|
1562 int i = 0; |
|
1563 adapter->hw.serdes_link_down = TRUE; |
|
1564 |
|
1565 /* On some blade server designs, link establishment |
|
1566 * could take as long as 2-3 minutes */ |
|
1567 do { |
|
1568 e1000_check_for_link(&adapter->hw); |
|
1569 if (adapter->hw.serdes_link_down == FALSE) |
|
1570 return *data; |
|
1571 msec_delay(20); |
|
1572 } while (i++ < 3750); |
|
1573 |
|
1574 *data = 1; |
|
1575 } else { |
|
1576 e1000_check_for_link(&adapter->hw); |
|
1577 if (adapter->hw.autoneg) /* if auto_neg is set wait for it */ |
|
1578 msec_delay(4000); |
|
1579 |
|
1580 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) { |
|
1581 *data = 1; |
|
1582 } |
|
1583 } |
|
1584 return *data; |
|
1585 } |
|
1586 |
|
1587 static int |
|
1588 e1000_diag_test_count(struct net_device *netdev) |
|
1589 { |
|
1590 return E1000_TEST_LEN; |
|
1591 } |
|
1592 |
|
1593 static void |
|
1594 e1000_diag_test(struct net_device *netdev, |
|
1595 struct ethtool_test *eth_test, uint64_t *data) |
|
1596 { |
|
1597 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1598 boolean_t if_running = netif_running(netdev); |
|
1599 |
|
1600 set_bit(__E1000_DRIVER_TESTING, &adapter->flags); |
|
1601 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1602 /* Offline tests */ |
|
1603 |
|
1604 /* save speed, duplex, autoneg settings */ |
|
1605 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised; |
|
1606 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex; |
|
1607 uint8_t autoneg = adapter->hw.autoneg; |
|
1608 |
|
1609 /* Link test performed before hardware reset so autoneg doesn't |
|
1610 * interfere with test result */ |
|
1611 if (e1000_link_test(adapter, &data[4])) |
|
1612 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1613 |
|
1614 if (if_running) |
|
1615 /* indicate we're in test mode */ |
|
1616 dev_close(netdev); |
|
1617 else |
|
1618 e1000_reset(adapter); |
|
1619 |
|
1620 if (e1000_reg_test(adapter, &data[0])) |
|
1621 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1622 |
|
1623 e1000_reset(adapter); |
|
1624 if (e1000_eeprom_test(adapter, &data[1])) |
|
1625 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1626 |
|
1627 e1000_reset(adapter); |
|
1628 if (e1000_intr_test(adapter, &data[2])) |
|
1629 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1630 |
|
1631 e1000_reset(adapter); |
|
1632 if (e1000_loopback_test(adapter, &data[3])) |
|
1633 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1634 |
|
1635 /* restore speed, duplex, autoneg settings */ |
|
1636 adapter->hw.autoneg_advertised = autoneg_advertised; |
|
1637 adapter->hw.forced_speed_duplex = forced_speed_duplex; |
|
1638 adapter->hw.autoneg = autoneg; |
|
1639 |
|
1640 e1000_reset(adapter); |
|
1641 clear_bit(__E1000_DRIVER_TESTING, &adapter->flags); |
|
1642 if (if_running) |
|
1643 dev_open(netdev); |
|
1644 } else { |
|
1645 /* Online tests */ |
|
1646 if (e1000_link_test(adapter, &data[4])) |
|
1647 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1648 |
|
1649 /* Offline tests aren't run; pass by default */ |
|
1650 data[0] = 0; |
|
1651 data[1] = 0; |
|
1652 data[2] = 0; |
|
1653 data[3] = 0; |
|
1654 |
|
1655 clear_bit(__E1000_DRIVER_TESTING, &adapter->flags); |
|
1656 } |
|
1657 msleep_interruptible(4 * 1000); |
|
1658 } |
|
1659 |
|
1660 static void |
|
1661 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1662 { |
|
1663 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1664 struct e1000_hw *hw = &adapter->hw; |
|
1665 |
|
1666 switch (adapter->hw.device_id) { |
|
1667 case E1000_DEV_ID_82542: |
|
1668 case E1000_DEV_ID_82543GC_FIBER: |
|
1669 case E1000_DEV_ID_82543GC_COPPER: |
|
1670 case E1000_DEV_ID_82544EI_FIBER: |
|
1671 case E1000_DEV_ID_82546EB_QUAD_COPPER: |
|
1672 case E1000_DEV_ID_82545EM_FIBER: |
|
1673 case E1000_DEV_ID_82545EM_COPPER: |
|
1674 case E1000_DEV_ID_82546GB_QUAD_COPPER: |
|
1675 wol->supported = 0; |
|
1676 wol->wolopts = 0; |
|
1677 return; |
|
1678 |
|
1679 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1680 /* device id 10B5 port-A supports wol */ |
|
1681 if (!adapter->ksp3_port_a) { |
|
1682 wol->supported = 0; |
|
1683 return; |
|
1684 } |
|
1685 /* KSP3 does not suppport UCAST wake-ups for any interface */ |
|
1686 wol->supported = WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC; |
|
1687 |
|
1688 if (adapter->wol & E1000_WUFC_EX) |
|
1689 DPRINTK(DRV, ERR, "Interface does not support " |
|
1690 "directed (unicast) frame wake-up packets\n"); |
|
1691 wol->wolopts = 0; |
|
1692 goto do_defaults; |
|
1693 |
|
1694 case E1000_DEV_ID_82546EB_FIBER: |
|
1695 case E1000_DEV_ID_82546GB_FIBER: |
|
1696 case E1000_DEV_ID_82571EB_FIBER: |
|
1697 /* Wake events only supported on port A for dual fiber */ |
|
1698 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) { |
|
1699 wol->supported = 0; |
|
1700 wol->wolopts = 0; |
|
1701 return; |
|
1702 } |
|
1703 /* Fall Through */ |
|
1704 |
|
1705 default: |
|
1706 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1707 WAKE_BCAST | WAKE_MAGIC; |
|
1708 wol->wolopts = 0; |
|
1709 |
|
1710 do_defaults: |
|
1711 if (adapter->wol & E1000_WUFC_EX) |
|
1712 wol->wolopts |= WAKE_UCAST; |
|
1713 if (adapter->wol & E1000_WUFC_MC) |
|
1714 wol->wolopts |= WAKE_MCAST; |
|
1715 if (adapter->wol & E1000_WUFC_BC) |
|
1716 wol->wolopts |= WAKE_BCAST; |
|
1717 if (adapter->wol & E1000_WUFC_MAG) |
|
1718 wol->wolopts |= WAKE_MAGIC; |
|
1719 return; |
|
1720 } |
|
1721 } |
|
1722 |
|
1723 static int |
|
1724 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1725 { |
|
1726 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1727 struct e1000_hw *hw = &adapter->hw; |
|
1728 |
|
1729 switch (adapter->hw.device_id) { |
|
1730 case E1000_DEV_ID_82542: |
|
1731 case E1000_DEV_ID_82543GC_FIBER: |
|
1732 case E1000_DEV_ID_82543GC_COPPER: |
|
1733 case E1000_DEV_ID_82544EI_FIBER: |
|
1734 case E1000_DEV_ID_82546EB_QUAD_COPPER: |
|
1735 case E1000_DEV_ID_82546GB_QUAD_COPPER: |
|
1736 case E1000_DEV_ID_82545EM_FIBER: |
|
1737 case E1000_DEV_ID_82545EM_COPPER: |
|
1738 return wol->wolopts ? -EOPNOTSUPP : 0; |
|
1739 |
|
1740 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1741 /* device id 10B5 port-A supports wol */ |
|
1742 if (!adapter->ksp3_port_a) |
|
1743 return wol->wolopts ? -EOPNOTSUPP : 0; |
|
1744 |
|
1745 if (wol->wolopts & WAKE_UCAST) { |
|
1746 DPRINTK(DRV, ERR, "Interface does not support " |
|
1747 "directed (unicast) frame wake-up packets\n"); |
|
1748 return -EOPNOTSUPP; |
|
1749 } |
|
1750 |
|
1751 case E1000_DEV_ID_82546EB_FIBER: |
|
1752 case E1000_DEV_ID_82546GB_FIBER: |
|
1753 case E1000_DEV_ID_82571EB_FIBER: |
|
1754 /* Wake events only supported on port A for dual fiber */ |
|
1755 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) |
|
1756 return wol->wolopts ? -EOPNOTSUPP : 0; |
|
1757 /* Fall Through */ |
|
1758 |
|
1759 default: |
|
1760 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) |
|
1761 return -EOPNOTSUPP; |
|
1762 |
|
1763 adapter->wol = 0; |
|
1764 |
|
1765 if (wol->wolopts & WAKE_UCAST) |
|
1766 adapter->wol |= E1000_WUFC_EX; |
|
1767 if (wol->wolopts & WAKE_MCAST) |
|
1768 adapter->wol |= E1000_WUFC_MC; |
|
1769 if (wol->wolopts & WAKE_BCAST) |
|
1770 adapter->wol |= E1000_WUFC_BC; |
|
1771 if (wol->wolopts & WAKE_MAGIC) |
|
1772 adapter->wol |= E1000_WUFC_MAG; |
|
1773 } |
|
1774 |
|
1775 return 0; |
|
1776 } |
|
1777 |
|
1778 /* toggle LED 4 times per second = 2 "blinks" per second */ |
|
1779 #define E1000_ID_INTERVAL (HZ/4) |
|
1780 |
|
1781 /* bit defines for adapter->led_status */ |
|
1782 #define E1000_LED_ON 0 |
|
1783 |
|
1784 static void |
|
1785 e1000_led_blink_callback(unsigned long data) |
|
1786 { |
|
1787 struct e1000_adapter *adapter = (struct e1000_adapter *) data; |
|
1788 |
|
1789 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) |
|
1790 e1000_led_off(&adapter->hw); |
|
1791 else |
|
1792 e1000_led_on(&adapter->hw); |
|
1793 |
|
1794 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); |
|
1795 } |
|
1796 |
|
1797 static int |
|
1798 e1000_phys_id(struct net_device *netdev, uint32_t data) |
|
1799 { |
|
1800 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1801 |
|
1802 if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ)) |
|
1803 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ); |
|
1804 |
|
1805 if (adapter->hw.mac_type < e1000_82571) { |
|
1806 if (!adapter->blink_timer.function) { |
|
1807 init_timer(&adapter->blink_timer); |
|
1808 adapter->blink_timer.function = e1000_led_blink_callback; |
|
1809 adapter->blink_timer.data = (unsigned long) adapter; |
|
1810 } |
|
1811 e1000_setup_led(&adapter->hw); |
|
1812 mod_timer(&adapter->blink_timer, jiffies); |
|
1813 msleep_interruptible(data * 1000); |
|
1814 del_timer_sync(&adapter->blink_timer); |
|
1815 } else if (adapter->hw.phy_type == e1000_phy_ife) { |
|
1816 if (!adapter->blink_timer.function) { |
|
1817 init_timer(&adapter->blink_timer); |
|
1818 adapter->blink_timer.function = e1000_led_blink_callback; |
|
1819 adapter->blink_timer.data = (unsigned long) adapter; |
|
1820 } |
|
1821 mod_timer(&adapter->blink_timer, jiffies); |
|
1822 msleep_interruptible(data * 1000); |
|
1823 del_timer_sync(&adapter->blink_timer); |
|
1824 e1000_write_phy_reg(&(adapter->hw), IFE_PHY_SPECIAL_CONTROL_LED, 0); |
|
1825 } else { |
|
1826 e1000_blink_led_start(&adapter->hw); |
|
1827 msleep_interruptible(data * 1000); |
|
1828 } |
|
1829 |
|
1830 e1000_led_off(&adapter->hw); |
|
1831 clear_bit(E1000_LED_ON, &adapter->led_status); |
|
1832 e1000_cleanup_led(&adapter->hw); |
|
1833 |
|
1834 return 0; |
|
1835 } |
|
1836 |
|
1837 static int |
|
1838 e1000_nway_reset(struct net_device *netdev) |
|
1839 { |
|
1840 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1841 if (netif_running(netdev)) |
|
1842 e1000_reinit_locked(adapter); |
|
1843 return 0; |
|
1844 } |
|
1845 |
|
1846 static int |
|
1847 e1000_get_stats_count(struct net_device *netdev) |
|
1848 { |
|
1849 return E1000_STATS_LEN; |
|
1850 } |
|
1851 |
|
1852 static void |
|
1853 e1000_get_ethtool_stats(struct net_device *netdev, |
|
1854 struct ethtool_stats *stats, uint64_t *data) |
|
1855 { |
|
1856 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1857 int i; |
|
1858 |
|
1859 e1000_update_stats(adapter); |
|
1860 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1861 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; |
|
1862 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
|
1863 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p; |
|
1864 } |
|
1865 /* BUG_ON(i != E1000_STATS_LEN); */ |
|
1866 } |
|
1867 |
|
1868 static void |
|
1869 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data) |
|
1870 { |
|
1871 uint8_t *p = data; |
|
1872 int i; |
|
1873 |
|
1874 switch (stringset) { |
|
1875 case ETH_SS_TEST: |
|
1876 memcpy(data, *e1000_gstrings_test, |
|
1877 E1000_TEST_LEN*ETH_GSTRING_LEN); |
|
1878 break; |
|
1879 case ETH_SS_STATS: |
|
1880 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1881 memcpy(p, e1000_gstrings_stats[i].stat_string, |
|
1882 ETH_GSTRING_LEN); |
|
1883 p += ETH_GSTRING_LEN; |
|
1884 } |
|
1885 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ |
|
1886 break; |
|
1887 } |
|
1888 } |
|
1889 |
|
1890 static struct ethtool_ops e1000_ethtool_ops = { |
|
1891 .get_settings = e1000_get_settings, |
|
1892 .set_settings = e1000_set_settings, |
|
1893 .get_drvinfo = e1000_get_drvinfo, |
|
1894 .get_regs_len = e1000_get_regs_len, |
|
1895 .get_regs = e1000_get_regs, |
|
1896 .get_wol = e1000_get_wol, |
|
1897 .set_wol = e1000_set_wol, |
|
1898 .get_msglevel = e1000_get_msglevel, |
|
1899 .set_msglevel = e1000_set_msglevel, |
|
1900 .nway_reset = e1000_nway_reset, |
|
1901 .get_link = ethtool_op_get_link, |
|
1902 .get_eeprom_len = e1000_get_eeprom_len, |
|
1903 .get_eeprom = e1000_get_eeprom, |
|
1904 .set_eeprom = e1000_set_eeprom, |
|
1905 .get_ringparam = e1000_get_ringparam, |
|
1906 .set_ringparam = e1000_set_ringparam, |
|
1907 .get_pauseparam = e1000_get_pauseparam, |
|
1908 .set_pauseparam = e1000_set_pauseparam, |
|
1909 .get_rx_csum = e1000_get_rx_csum, |
|
1910 .set_rx_csum = e1000_set_rx_csum, |
|
1911 .get_tx_csum = e1000_get_tx_csum, |
|
1912 .set_tx_csum = e1000_set_tx_csum, |
|
1913 .get_sg = ethtool_op_get_sg, |
|
1914 .set_sg = ethtool_op_set_sg, |
|
1915 #ifdef NETIF_F_TSO |
|
1916 .get_tso = ethtool_op_get_tso, |
|
1917 .set_tso = e1000_set_tso, |
|
1918 #endif |
|
1919 .self_test_count = e1000_diag_test_count, |
|
1920 .self_test = e1000_diag_test, |
|
1921 .get_strings = e1000_get_strings, |
|
1922 .phys_id = e1000_phys_id, |
|
1923 .get_stats_count = e1000_get_stats_count, |
|
1924 .get_ethtool_stats = e1000_get_ethtool_stats, |
|
1925 .get_perm_addr = ethtool_op_get_perm_addr, |
|
1926 }; |
|
1927 |
|
1928 void e1000_set_ethtool_ops(struct net_device *netdev) |
|
1929 { |
|
1930 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
|
1931 } |