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1 /******************************************************************************* |
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2 |
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3 Intel PRO/1000 Linux driver |
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4 Copyright(c) 1999 - 2010 Intel Corporation. |
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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 and conditions of the GNU General Public License, |
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8 version 2, as published by the Free Software Foundation. |
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9 |
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10 This program is distributed in the hope it will be useful, but WITHOUT |
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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13 more details. |
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14 |
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15 You should have received a copy of the GNU General Public License along with |
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16 this program; if not, write to the Free Software Foundation, Inc., |
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17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
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18 |
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19 The full GNU General Public License is included in this distribution in |
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20 the file called "COPYING". |
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21 |
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22 Contact Information: |
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23 Linux NICS <linux.nics@intel.com> |
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24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
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25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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26 |
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27 *******************************************************************************/ |
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28 |
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29 /* ethtool support for e1000 */ |
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30 |
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31 #include <linux/netdevice.h> |
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32 #include <linux/ethtool.h> |
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33 #include <linux/pci.h> |
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34 #include <linux/slab.h> |
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35 #include <linux/delay.h> |
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36 |
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37 #include "e1000-2.6.37-ethercat.h" |
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38 |
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39 enum {NETDEV_STATS, E1000_STATS}; |
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40 |
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41 struct e1000_stats { |
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42 char stat_string[ETH_GSTRING_LEN]; |
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43 int type; |
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44 int sizeof_stat; |
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45 int stat_offset; |
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46 }; |
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47 |
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48 #define E1000_STAT(m) E1000_STATS, \ |
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49 sizeof(((struct e1000_adapter *)0)->m), \ |
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50 offsetof(struct e1000_adapter, m) |
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51 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \ |
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52 sizeof(((struct net_device *)0)->m), \ |
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53 offsetof(struct net_device, m) |
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54 |
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55 static const struct e1000_stats e1000_gstrings_stats[] = { |
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56 { "rx_packets", E1000_STAT(stats.gprc) }, |
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57 { "tx_packets", E1000_STAT(stats.gptc) }, |
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58 { "rx_bytes", E1000_STAT(stats.gorc) }, |
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59 { "tx_bytes", E1000_STAT(stats.gotc) }, |
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60 { "rx_broadcast", E1000_STAT(stats.bprc) }, |
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61 { "tx_broadcast", E1000_STAT(stats.bptc) }, |
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62 { "rx_multicast", E1000_STAT(stats.mprc) }, |
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63 { "tx_multicast", E1000_STAT(stats.mptc) }, |
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64 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) }, |
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65 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) }, |
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66 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) }, |
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67 { "multicast", E1000_STAT(stats.mprc) }, |
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68 { "collisions", E1000_STAT(stats.colc) }, |
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69 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) }, |
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70 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) }, |
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71 { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, |
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72 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) }, |
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73 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, |
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74 { "rx_missed_errors", E1000_STAT(stats.mpc) }, |
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75 { "tx_aborted_errors", E1000_STAT(stats.ecol) }, |
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76 { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, |
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77 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) }, |
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78 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) }, |
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79 { "tx_window_errors", E1000_STAT(stats.latecol) }, |
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80 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, |
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81 { "tx_deferred_ok", E1000_STAT(stats.dc) }, |
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82 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, |
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83 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, |
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84 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, |
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85 { "tx_restart_queue", E1000_STAT(restart_queue) }, |
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86 { "rx_long_length_errors", E1000_STAT(stats.roc) }, |
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87 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, |
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88 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, |
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89 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, |
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90 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, |
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91 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, |
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92 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, |
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93 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, |
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94 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, |
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95 { "rx_long_byte_count", E1000_STAT(stats.gorc) }, |
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96 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, |
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97 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, |
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98 { "rx_header_split", E1000_STAT(rx_hdr_split) }, |
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99 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, |
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100 { "tx_smbus", E1000_STAT(stats.mgptc) }, |
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101 { "rx_smbus", E1000_STAT(stats.mgprc) }, |
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102 { "dropped_smbus", E1000_STAT(stats.mgpdc) }, |
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103 { "rx_dma_failed", E1000_STAT(rx_dma_failed) }, |
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104 { "tx_dma_failed", E1000_STAT(tx_dma_failed) }, |
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105 }; |
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106 |
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107 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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108 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) |
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109 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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110 "Register test (offline)", "Eeprom test (offline)", |
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111 "Interrupt test (offline)", "Loopback test (offline)", |
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112 "Link test (on/offline)" |
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113 }; |
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114 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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115 |
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116 static int e1000_get_settings(struct net_device *netdev, |
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117 struct ethtool_cmd *ecmd) |
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118 { |
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119 struct e1000_adapter *adapter = netdev_priv(netdev); |
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120 struct e1000_hw *hw = &adapter->hw; |
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121 |
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122 if (hw->phy.media_type == e1000_media_type_copper) { |
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123 |
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124 ecmd->supported = (SUPPORTED_10baseT_Half | |
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125 SUPPORTED_10baseT_Full | |
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126 SUPPORTED_100baseT_Half | |
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127 SUPPORTED_100baseT_Full | |
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128 SUPPORTED_1000baseT_Full | |
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129 SUPPORTED_Autoneg | |
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130 SUPPORTED_TP); |
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131 if (hw->phy.type == e1000_phy_ife) |
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132 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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133 ecmd->advertising = ADVERTISED_TP; |
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134 |
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135 if (hw->mac.autoneg == 1) { |
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136 ecmd->advertising |= ADVERTISED_Autoneg; |
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137 /* the e1000 autoneg seems to match ethtool nicely */ |
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138 ecmd->advertising |= hw->phy.autoneg_advertised; |
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139 } |
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140 |
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141 ecmd->port = PORT_TP; |
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142 ecmd->phy_address = hw->phy.addr; |
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143 ecmd->transceiver = XCVR_INTERNAL; |
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144 |
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145 } else { |
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146 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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147 SUPPORTED_FIBRE | |
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148 SUPPORTED_Autoneg); |
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149 |
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150 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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151 ADVERTISED_FIBRE | |
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152 ADVERTISED_Autoneg); |
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153 |
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154 ecmd->port = PORT_FIBRE; |
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155 ecmd->transceiver = XCVR_EXTERNAL; |
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156 } |
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157 |
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158 ecmd->speed = -1; |
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159 ecmd->duplex = -1; |
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160 |
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161 if (netif_running(netdev)) { |
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162 if (netif_carrier_ok(netdev)) { |
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163 ecmd->speed = adapter->link_speed; |
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164 ecmd->duplex = adapter->link_duplex - 1; |
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165 } |
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166 } else { |
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167 u32 status = er32(STATUS); |
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168 if (status & E1000_STATUS_LU) { |
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169 if (status & E1000_STATUS_SPEED_1000) |
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170 ecmd->speed = 1000; |
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171 else if (status & E1000_STATUS_SPEED_100) |
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172 ecmd->speed = 100; |
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173 else |
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174 ecmd->speed = 10; |
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175 |
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176 if (status & E1000_STATUS_FD) |
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177 ecmd->duplex = DUPLEX_FULL; |
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178 else |
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179 ecmd->duplex = DUPLEX_HALF; |
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180 } |
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181 } |
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182 |
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183 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || |
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184 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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185 |
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186 /* MDI-X => 2; MDI =>1; Invalid =>0 */ |
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187 if ((hw->phy.media_type == e1000_media_type_copper) && |
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188 netif_carrier_ok(netdev)) |
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189 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : |
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190 ETH_TP_MDI; |
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191 else |
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192 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; |
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193 |
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194 return 0; |
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195 } |
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196 |
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197 static u32 e1000_get_link(struct net_device *netdev) |
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198 { |
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199 struct e1000_adapter *adapter = netdev_priv(netdev); |
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200 struct e1000_hw *hw = &adapter->hw; |
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201 |
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202 /* |
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203 * Avoid touching hardware registers when possible, otherwise |
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204 * link negotiation can get messed up when user-level scripts |
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205 * are rapidly polling the driver to see if link is up. |
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206 */ |
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207 return netif_running(netdev) ? netif_carrier_ok(netdev) : |
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208 !!(er32(STATUS) & E1000_STATUS_LU); |
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209 } |
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210 |
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211 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) |
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212 { |
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213 struct e1000_mac_info *mac = &adapter->hw.mac; |
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214 |
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215 mac->autoneg = 0; |
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216 |
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217 /* Fiber NICs only allow 1000 gbps Full duplex */ |
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218 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && |
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219 spddplx != (SPEED_1000 + DUPLEX_FULL)) { |
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220 e_err("Unsupported Speed/Duplex configuration\n"); |
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221 return -EINVAL; |
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222 } |
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223 |
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224 switch (spddplx) { |
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225 case SPEED_10 + DUPLEX_HALF: |
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226 mac->forced_speed_duplex = ADVERTISE_10_HALF; |
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227 break; |
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228 case SPEED_10 + DUPLEX_FULL: |
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229 mac->forced_speed_duplex = ADVERTISE_10_FULL; |
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230 break; |
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231 case SPEED_100 + DUPLEX_HALF: |
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232 mac->forced_speed_duplex = ADVERTISE_100_HALF; |
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233 break; |
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234 case SPEED_100 + DUPLEX_FULL: |
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235 mac->forced_speed_duplex = ADVERTISE_100_FULL; |
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236 break; |
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237 case SPEED_1000 + DUPLEX_FULL: |
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238 mac->autoneg = 1; |
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239 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; |
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240 break; |
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241 case SPEED_1000 + DUPLEX_HALF: /* not supported */ |
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242 default: |
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243 e_err("Unsupported Speed/Duplex configuration\n"); |
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244 return -EINVAL; |
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245 } |
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246 return 0; |
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247 } |
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248 |
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249 static int e1000_set_settings(struct net_device *netdev, |
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250 struct ethtool_cmd *ecmd) |
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251 { |
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252 struct e1000_adapter *adapter = netdev_priv(netdev); |
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253 struct e1000_hw *hw = &adapter->hw; |
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254 |
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255 /* |
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256 * When SoL/IDER sessions are active, autoneg/speed/duplex |
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257 * cannot be changed |
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258 */ |
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259 if (e1000_check_reset_block(hw)) { |
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260 e_err("Cannot change link characteristics when SoL/IDER is " |
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261 "active.\n"); |
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262 return -EINVAL; |
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263 } |
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264 |
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265 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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266 msleep(1); |
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267 |
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268 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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269 hw->mac.autoneg = 1; |
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270 if (hw->phy.media_type == e1000_media_type_fiber) |
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271 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | |
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272 ADVERTISED_FIBRE | |
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273 ADVERTISED_Autoneg; |
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274 else |
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275 hw->phy.autoneg_advertised = ecmd->advertising | |
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276 ADVERTISED_TP | |
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277 ADVERTISED_Autoneg; |
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278 ecmd->advertising = hw->phy.autoneg_advertised; |
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279 if (adapter->fc_autoneg) |
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280 hw->fc.requested_mode = e1000_fc_default; |
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281 } else { |
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282 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { |
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283 clear_bit(__E1000_RESETTING, &adapter->state); |
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284 return -EINVAL; |
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285 } |
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286 } |
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287 |
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288 /* reset the link */ |
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289 |
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290 if (netif_running(adapter->netdev)) { |
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291 e1000e_down(adapter); |
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292 e1000e_up(adapter); |
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293 } else { |
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294 e1000e_reset(adapter); |
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295 } |
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296 |
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297 clear_bit(__E1000_RESETTING, &adapter->state); |
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298 return 0; |
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299 } |
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300 |
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301 static void e1000_get_pauseparam(struct net_device *netdev, |
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302 struct ethtool_pauseparam *pause) |
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303 { |
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304 struct e1000_adapter *adapter = netdev_priv(netdev); |
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305 struct e1000_hw *hw = &adapter->hw; |
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306 |
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307 pause->autoneg = |
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308 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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309 |
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310 if (hw->fc.current_mode == e1000_fc_rx_pause) { |
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311 pause->rx_pause = 1; |
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312 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { |
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313 pause->tx_pause = 1; |
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314 } else if (hw->fc.current_mode == e1000_fc_full) { |
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315 pause->rx_pause = 1; |
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316 pause->tx_pause = 1; |
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317 } |
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318 } |
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319 |
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320 static int e1000_set_pauseparam(struct net_device *netdev, |
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321 struct ethtool_pauseparam *pause) |
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322 { |
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323 struct e1000_adapter *adapter = netdev_priv(netdev); |
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324 struct e1000_hw *hw = &adapter->hw; |
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325 int retval = 0; |
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326 |
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327 adapter->fc_autoneg = pause->autoneg; |
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328 |
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329 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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330 msleep(1); |
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331 |
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332 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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333 hw->fc.requested_mode = e1000_fc_default; |
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334 if (netif_running(adapter->netdev)) { |
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335 e1000e_down(adapter); |
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336 e1000e_up(adapter); |
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337 } else { |
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338 e1000e_reset(adapter); |
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339 } |
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340 } else { |
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341 if (pause->rx_pause && pause->tx_pause) |
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342 hw->fc.requested_mode = e1000_fc_full; |
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343 else if (pause->rx_pause && !pause->tx_pause) |
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344 hw->fc.requested_mode = e1000_fc_rx_pause; |
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345 else if (!pause->rx_pause && pause->tx_pause) |
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346 hw->fc.requested_mode = e1000_fc_tx_pause; |
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347 else if (!pause->rx_pause && !pause->tx_pause) |
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348 hw->fc.requested_mode = e1000_fc_none; |
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349 |
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350 hw->fc.current_mode = hw->fc.requested_mode; |
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351 |
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352 if (hw->phy.media_type == e1000_media_type_fiber) { |
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353 retval = hw->mac.ops.setup_link(hw); |
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354 /* implicit goto out */ |
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355 } else { |
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356 retval = e1000e_force_mac_fc(hw); |
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357 if (retval) |
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358 goto out; |
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359 e1000e_set_fc_watermarks(hw); |
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360 } |
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361 } |
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362 |
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363 out: |
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364 clear_bit(__E1000_RESETTING, &adapter->state); |
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365 return retval; |
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366 } |
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367 |
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368 static u32 e1000_get_rx_csum(struct net_device *netdev) |
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369 { |
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370 struct e1000_adapter *adapter = netdev_priv(netdev); |
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371 return adapter->flags & FLAG_RX_CSUM_ENABLED; |
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372 } |
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373 |
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374 static int e1000_set_rx_csum(struct net_device *netdev, u32 data) |
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375 { |
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376 struct e1000_adapter *adapter = netdev_priv(netdev); |
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377 |
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378 if (data) |
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379 adapter->flags |= FLAG_RX_CSUM_ENABLED; |
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380 else |
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381 adapter->flags &= ~FLAG_RX_CSUM_ENABLED; |
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382 |
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383 if (netif_running(netdev)) |
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384 e1000e_reinit_locked(adapter); |
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385 else |
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386 e1000e_reset(adapter); |
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387 return 0; |
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388 } |
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389 |
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390 static u32 e1000_get_tx_csum(struct net_device *netdev) |
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391 { |
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392 return (netdev->features & NETIF_F_HW_CSUM) != 0; |
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393 } |
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394 |
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395 static int e1000_set_tx_csum(struct net_device *netdev, u32 data) |
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396 { |
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397 if (data) |
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398 netdev->features |= NETIF_F_HW_CSUM; |
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399 else |
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400 netdev->features &= ~NETIF_F_HW_CSUM; |
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401 |
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402 return 0; |
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403 } |
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404 |
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405 static int e1000_set_tso(struct net_device *netdev, u32 data) |
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406 { |
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407 struct e1000_adapter *adapter = netdev_priv(netdev); |
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408 |
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409 if (data) { |
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410 netdev->features |= NETIF_F_TSO; |
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411 netdev->features |= NETIF_F_TSO6; |
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412 } else { |
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413 netdev->features &= ~NETIF_F_TSO; |
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414 netdev->features &= ~NETIF_F_TSO6; |
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415 } |
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416 |
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417 adapter->flags |= FLAG_TSO_FORCE; |
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418 return 0; |
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419 } |
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420 |
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421 static u32 e1000_get_msglevel(struct net_device *netdev) |
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422 { |
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423 struct e1000_adapter *adapter = netdev_priv(netdev); |
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424 return adapter->msg_enable; |
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425 } |
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426 |
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427 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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428 { |
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429 struct e1000_adapter *adapter = netdev_priv(netdev); |
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430 adapter->msg_enable = data; |
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431 } |
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432 |
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433 static int e1000_get_regs_len(struct net_device *netdev) |
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434 { |
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435 #define E1000_REGS_LEN 32 /* overestimate */ |
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436 return E1000_REGS_LEN * sizeof(u32); |
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437 } |
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438 |
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439 static void e1000_get_regs(struct net_device *netdev, |
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440 struct ethtool_regs *regs, void *p) |
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441 { |
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442 struct e1000_adapter *adapter = netdev_priv(netdev); |
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443 struct e1000_hw *hw = &adapter->hw; |
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444 u32 *regs_buff = p; |
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445 u16 phy_data; |
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446 u8 revision_id; |
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447 |
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448 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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449 |
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450 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id); |
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451 |
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452 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device; |
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453 |
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454 regs_buff[0] = er32(CTRL); |
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455 regs_buff[1] = er32(STATUS); |
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456 |
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457 regs_buff[2] = er32(RCTL); |
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458 regs_buff[3] = er32(RDLEN); |
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459 regs_buff[4] = er32(RDH); |
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460 regs_buff[5] = er32(RDT); |
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461 regs_buff[6] = er32(RDTR); |
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462 |
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463 regs_buff[7] = er32(TCTL); |
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464 regs_buff[8] = er32(TDLEN); |
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465 regs_buff[9] = er32(TDH); |
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466 regs_buff[10] = er32(TDT); |
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467 regs_buff[11] = er32(TIDV); |
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468 |
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469 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ |
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470 |
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471 /* ethtool doesn't use anything past this point, so all this |
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472 * code is likely legacy junk for apps that may or may not |
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473 * exist */ |
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474 if (hw->phy.type == e1000_phy_m88) { |
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475 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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476 regs_buff[13] = (u32)phy_data; /* cable length */ |
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477 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
478 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
479 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
480 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
|
481 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
|
482 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
|
483 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
484 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
|
485 /* phy receive errors */ |
|
486 regs_buff[22] = adapter->phy_stats.receive_errors; |
|
487 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
|
488 } |
|
489 regs_buff[21] = 0; /* was idle_errors */ |
|
490 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); |
|
491 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
|
492 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
|
493 } |
|
494 |
|
495 static int e1000_get_eeprom_len(struct net_device *netdev) |
|
496 { |
|
497 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
498 return adapter->hw.nvm.word_size * 2; |
|
499 } |
|
500 |
|
501 static int e1000_get_eeprom(struct net_device *netdev, |
|
502 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
503 { |
|
504 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
505 struct e1000_hw *hw = &adapter->hw; |
|
506 u16 *eeprom_buff; |
|
507 int first_word; |
|
508 int last_word; |
|
509 int ret_val = 0; |
|
510 u16 i; |
|
511 |
|
512 if (eeprom->len == 0) |
|
513 return -EINVAL; |
|
514 |
|
515 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); |
|
516 |
|
517 first_word = eeprom->offset >> 1; |
|
518 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
519 |
|
520 eeprom_buff = kmalloc(sizeof(u16) * |
|
521 (last_word - first_word + 1), GFP_KERNEL); |
|
522 if (!eeprom_buff) |
|
523 return -ENOMEM; |
|
524 |
|
525 if (hw->nvm.type == e1000_nvm_eeprom_spi) { |
|
526 ret_val = e1000_read_nvm(hw, first_word, |
|
527 last_word - first_word + 1, |
|
528 eeprom_buff); |
|
529 } else { |
|
530 for (i = 0; i < last_word - first_word + 1; i++) { |
|
531 ret_val = e1000_read_nvm(hw, first_word + i, 1, |
|
532 &eeprom_buff[i]); |
|
533 if (ret_val) |
|
534 break; |
|
535 } |
|
536 } |
|
537 |
|
538 if (ret_val) { |
|
539 /* a read error occurred, throw away the result */ |
|
540 memset(eeprom_buff, 0xff, sizeof(u16) * |
|
541 (last_word - first_word + 1)); |
|
542 } else { |
|
543 /* Device's eeprom is always little-endian, word addressable */ |
|
544 for (i = 0; i < last_word - first_word + 1; i++) |
|
545 le16_to_cpus(&eeprom_buff[i]); |
|
546 } |
|
547 |
|
548 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
|
549 kfree(eeprom_buff); |
|
550 |
|
551 return ret_val; |
|
552 } |
|
553 |
|
554 static int e1000_set_eeprom(struct net_device *netdev, |
|
555 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
556 { |
|
557 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
558 struct e1000_hw *hw = &adapter->hw; |
|
559 u16 *eeprom_buff; |
|
560 void *ptr; |
|
561 int max_len; |
|
562 int first_word; |
|
563 int last_word; |
|
564 int ret_val = 0; |
|
565 u16 i; |
|
566 |
|
567 if (eeprom->len == 0) |
|
568 return -EOPNOTSUPP; |
|
569 |
|
570 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) |
|
571 return -EFAULT; |
|
572 |
|
573 if (adapter->flags & FLAG_READ_ONLY_NVM) |
|
574 return -EINVAL; |
|
575 |
|
576 max_len = hw->nvm.word_size * 2; |
|
577 |
|
578 first_word = eeprom->offset >> 1; |
|
579 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
580 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
581 if (!eeprom_buff) |
|
582 return -ENOMEM; |
|
583 |
|
584 ptr = (void *)eeprom_buff; |
|
585 |
|
586 if (eeprom->offset & 1) { |
|
587 /* need read/modify/write of first changed EEPROM word */ |
|
588 /* only the second byte of the word is being modified */ |
|
589 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); |
|
590 ptr++; |
|
591 } |
|
592 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) |
|
593 /* need read/modify/write of last changed EEPROM word */ |
|
594 /* only the first byte of the word is being modified */ |
|
595 ret_val = e1000_read_nvm(hw, last_word, 1, |
|
596 &eeprom_buff[last_word - first_word]); |
|
597 |
|
598 if (ret_val) |
|
599 goto out; |
|
600 |
|
601 /* Device's eeprom is always little-endian, word addressable */ |
|
602 for (i = 0; i < last_word - first_word + 1; i++) |
|
603 le16_to_cpus(&eeprom_buff[i]); |
|
604 |
|
605 memcpy(ptr, bytes, eeprom->len); |
|
606 |
|
607 for (i = 0; i < last_word - first_word + 1; i++) |
|
608 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); |
|
609 |
|
610 ret_val = e1000_write_nvm(hw, first_word, |
|
611 last_word - first_word + 1, eeprom_buff); |
|
612 |
|
613 if (ret_val) |
|
614 goto out; |
|
615 |
|
616 /* |
|
617 * Update the checksum over the first part of the EEPROM if needed |
|
618 * and flush shadow RAM for applicable controllers |
|
619 */ |
|
620 if ((first_word <= NVM_CHECKSUM_REG) || |
|
621 (hw->mac.type == e1000_82583) || |
|
622 (hw->mac.type == e1000_82574) || |
|
623 (hw->mac.type == e1000_82573)) |
|
624 ret_val = e1000e_update_nvm_checksum(hw); |
|
625 |
|
626 out: |
|
627 kfree(eeprom_buff); |
|
628 return ret_val; |
|
629 } |
|
630 |
|
631 static void e1000_get_drvinfo(struct net_device *netdev, |
|
632 struct ethtool_drvinfo *drvinfo) |
|
633 { |
|
634 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
635 char firmware_version[32]; |
|
636 |
|
637 strncpy(drvinfo->driver, e1000e_driver_name, 32); |
|
638 strncpy(drvinfo->version, e1000e_driver_version, 32); |
|
639 |
|
640 /* |
|
641 * EEPROM image version # is reported as firmware version # for |
|
642 * PCI-E controllers |
|
643 */ |
|
644 sprintf(firmware_version, "%d.%d-%d", |
|
645 (adapter->eeprom_vers & 0xF000) >> 12, |
|
646 (adapter->eeprom_vers & 0x0FF0) >> 4, |
|
647 (adapter->eeprom_vers & 0x000F)); |
|
648 |
|
649 strncpy(drvinfo->fw_version, firmware_version, 32); |
|
650 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); |
|
651 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
652 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
653 } |
|
654 |
|
655 static void e1000_get_ringparam(struct net_device *netdev, |
|
656 struct ethtool_ringparam *ring) |
|
657 { |
|
658 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
659 struct e1000_ring *tx_ring = adapter->tx_ring; |
|
660 struct e1000_ring *rx_ring = adapter->rx_ring; |
|
661 |
|
662 ring->rx_max_pending = E1000_MAX_RXD; |
|
663 ring->tx_max_pending = E1000_MAX_TXD; |
|
664 ring->rx_mini_max_pending = 0; |
|
665 ring->rx_jumbo_max_pending = 0; |
|
666 ring->rx_pending = rx_ring->count; |
|
667 ring->tx_pending = tx_ring->count; |
|
668 ring->rx_mini_pending = 0; |
|
669 ring->rx_jumbo_pending = 0; |
|
670 } |
|
671 |
|
672 static int e1000_set_ringparam(struct net_device *netdev, |
|
673 struct ethtool_ringparam *ring) |
|
674 { |
|
675 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
676 struct e1000_ring *tx_ring, *tx_old; |
|
677 struct e1000_ring *rx_ring, *rx_old; |
|
678 int err; |
|
679 |
|
680 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
681 return -EINVAL; |
|
682 |
|
683 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
|
684 msleep(1); |
|
685 |
|
686 if (netif_running(adapter->netdev)) |
|
687 e1000e_down(adapter); |
|
688 |
|
689 tx_old = adapter->tx_ring; |
|
690 rx_old = adapter->rx_ring; |
|
691 |
|
692 err = -ENOMEM; |
|
693 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); |
|
694 if (!tx_ring) |
|
695 goto err_alloc_tx; |
|
696 /* |
|
697 * use a memcpy to save any previously configured |
|
698 * items like napi structs from having to be |
|
699 * reinitialized |
|
700 */ |
|
701 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring)); |
|
702 |
|
703 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); |
|
704 if (!rx_ring) |
|
705 goto err_alloc_rx; |
|
706 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring)); |
|
707 |
|
708 adapter->tx_ring = tx_ring; |
|
709 adapter->rx_ring = rx_ring; |
|
710 |
|
711 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); |
|
712 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); |
|
713 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
714 |
|
715 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); |
|
716 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); |
|
717 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
718 |
|
719 if (netif_running(adapter->netdev)) { |
|
720 /* Try to get new resources before deleting old */ |
|
721 err = e1000e_setup_rx_resources(adapter); |
|
722 if (err) |
|
723 goto err_setup_rx; |
|
724 err = e1000e_setup_tx_resources(adapter); |
|
725 if (err) |
|
726 goto err_setup_tx; |
|
727 |
|
728 /* |
|
729 * restore the old in order to free it, |
|
730 * then add in the new |
|
731 */ |
|
732 adapter->rx_ring = rx_old; |
|
733 adapter->tx_ring = tx_old; |
|
734 e1000e_free_rx_resources(adapter); |
|
735 e1000e_free_tx_resources(adapter); |
|
736 kfree(tx_old); |
|
737 kfree(rx_old); |
|
738 adapter->rx_ring = rx_ring; |
|
739 adapter->tx_ring = tx_ring; |
|
740 err = e1000e_up(adapter); |
|
741 if (err) |
|
742 goto err_setup; |
|
743 } |
|
744 |
|
745 clear_bit(__E1000_RESETTING, &adapter->state); |
|
746 return 0; |
|
747 err_setup_tx: |
|
748 e1000e_free_rx_resources(adapter); |
|
749 err_setup_rx: |
|
750 adapter->rx_ring = rx_old; |
|
751 adapter->tx_ring = tx_old; |
|
752 kfree(rx_ring); |
|
753 err_alloc_rx: |
|
754 kfree(tx_ring); |
|
755 err_alloc_tx: |
|
756 e1000e_up(adapter); |
|
757 err_setup: |
|
758 clear_bit(__E1000_RESETTING, &adapter->state); |
|
759 return err; |
|
760 } |
|
761 |
|
762 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, |
|
763 int reg, int offset, u32 mask, u32 write) |
|
764 { |
|
765 u32 pat, val; |
|
766 static const u32 test[] = |
|
767 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
768 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { |
|
769 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, |
|
770 (test[pat] & write)); |
|
771 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); |
|
772 if (val != (test[pat] & write & mask)) { |
|
773 e_err("pattern test reg %04X failed: got 0x%08X " |
|
774 "expected 0x%08X\n", reg + offset, val, |
|
775 (test[pat] & write & mask)); |
|
776 *data = reg; |
|
777 return 1; |
|
778 } |
|
779 } |
|
780 return 0; |
|
781 } |
|
782 |
|
783 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, |
|
784 int reg, u32 mask, u32 write) |
|
785 { |
|
786 u32 val; |
|
787 __ew32(&adapter->hw, reg, write & mask); |
|
788 val = __er32(&adapter->hw, reg); |
|
789 if ((write & mask) != (val & mask)) { |
|
790 e_err("set/check reg %04X test failed: got 0x%08X " |
|
791 "expected 0x%08X\n", reg, (val & mask), (write & mask)); |
|
792 *data = reg; |
|
793 return 1; |
|
794 } |
|
795 return 0; |
|
796 } |
|
797 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ |
|
798 do { \ |
|
799 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ |
|
800 return 1; \ |
|
801 } while (0) |
|
802 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
803 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) |
|
804 |
|
805 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
806 do { \ |
|
807 if (reg_set_and_check(adapter, data, reg, mask, write)) \ |
|
808 return 1; \ |
|
809 } while (0) |
|
810 |
|
811 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
812 { |
|
813 struct e1000_hw *hw = &adapter->hw; |
|
814 struct e1000_mac_info *mac = &adapter->hw.mac; |
|
815 u32 value; |
|
816 u32 before; |
|
817 u32 after; |
|
818 u32 i; |
|
819 u32 toggle; |
|
820 u32 mask; |
|
821 |
|
822 /* |
|
823 * The status register is Read Only, so a write should fail. |
|
824 * Some bits that get toggled are ignored. |
|
825 */ |
|
826 switch (mac->type) { |
|
827 /* there are several bits on newer hardware that are r/w */ |
|
828 case e1000_82571: |
|
829 case e1000_82572: |
|
830 case e1000_80003es2lan: |
|
831 toggle = 0x7FFFF3FF; |
|
832 break; |
|
833 default: |
|
834 toggle = 0x7FFFF033; |
|
835 break; |
|
836 } |
|
837 |
|
838 before = er32(STATUS); |
|
839 value = (er32(STATUS) & toggle); |
|
840 ew32(STATUS, toggle); |
|
841 after = er32(STATUS) & toggle; |
|
842 if (value != after) { |
|
843 e_err("failed STATUS register test got: 0x%08X expected: " |
|
844 "0x%08X\n", after, value); |
|
845 *data = 1; |
|
846 return 1; |
|
847 } |
|
848 /* restore previous status */ |
|
849 ew32(STATUS, before); |
|
850 |
|
851 if (!(adapter->flags & FLAG_IS_ICH)) { |
|
852 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
853 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
854 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
855 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); |
|
856 } |
|
857 |
|
858 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
859 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
860 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); |
|
861 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); |
|
862 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); |
|
863 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
864 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
865 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
866 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
867 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); |
|
868 |
|
869 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); |
|
870 |
|
871 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); |
|
872 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); |
|
873 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); |
|
874 |
|
875 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); |
|
876 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
877 if (!(adapter->flags & FLAG_IS_ICH)) |
|
878 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); |
|
879 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
880 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); |
|
881 mask = 0x8003FFFF; |
|
882 switch (mac->type) { |
|
883 case e1000_ich10lan: |
|
884 case e1000_pchlan: |
|
885 case e1000_pch2lan: |
|
886 mask |= (1 << 18); |
|
887 break; |
|
888 default: |
|
889 break; |
|
890 } |
|
891 for (i = 0; i < mac->rar_entry_count; i++) |
|
892 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), |
|
893 mask, 0xFFFFFFFF); |
|
894 |
|
895 for (i = 0; i < mac->mta_reg_count; i++) |
|
896 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); |
|
897 |
|
898 *data = 0; |
|
899 return 0; |
|
900 } |
|
901 |
|
902 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
903 { |
|
904 u16 temp; |
|
905 u16 checksum = 0; |
|
906 u16 i; |
|
907 |
|
908 *data = 0; |
|
909 /* Read and add up the contents of the EEPROM */ |
|
910 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { |
|
911 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { |
|
912 *data = 1; |
|
913 return *data; |
|
914 } |
|
915 checksum += temp; |
|
916 } |
|
917 |
|
918 /* If Checksum is not Correct return error else test passed */ |
|
919 if ((checksum != (u16) NVM_SUM) && !(*data)) |
|
920 *data = 2; |
|
921 |
|
922 return *data; |
|
923 } |
|
924 |
|
925 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
926 { |
|
927 struct net_device *netdev = (struct net_device *) data; |
|
928 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
929 struct e1000_hw *hw = &adapter->hw; |
|
930 |
|
931 adapter->test_icr |= er32(ICR); |
|
932 |
|
933 return IRQ_HANDLED; |
|
934 } |
|
935 |
|
936 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
937 { |
|
938 struct net_device *netdev = adapter->netdev; |
|
939 struct e1000_hw *hw = &adapter->hw; |
|
940 u32 mask; |
|
941 u32 shared_int = 1; |
|
942 u32 irq = adapter->pdev->irq; |
|
943 int i; |
|
944 int ret_val = 0; |
|
945 int int_mode = E1000E_INT_MODE_LEGACY; |
|
946 |
|
947 *data = 0; |
|
948 |
|
949 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ |
|
950 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { |
|
951 int_mode = adapter->int_mode; |
|
952 e1000e_reset_interrupt_capability(adapter); |
|
953 adapter->int_mode = E1000E_INT_MODE_LEGACY; |
|
954 e1000e_set_interrupt_capability(adapter); |
|
955 } |
|
956 /* Hook up test interrupt handler just for this test */ |
|
957 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
958 netdev)) { |
|
959 shared_int = 0; |
|
960 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, |
|
961 netdev->name, netdev)) { |
|
962 *data = 1; |
|
963 ret_val = -1; |
|
964 goto out; |
|
965 } |
|
966 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); |
|
967 |
|
968 /* Disable all the interrupts */ |
|
969 ew32(IMC, 0xFFFFFFFF); |
|
970 msleep(10); |
|
971 |
|
972 /* Test each interrupt */ |
|
973 for (i = 0; i < 10; i++) { |
|
974 /* Interrupt to test */ |
|
975 mask = 1 << i; |
|
976 |
|
977 if (adapter->flags & FLAG_IS_ICH) { |
|
978 switch (mask) { |
|
979 case E1000_ICR_RXSEQ: |
|
980 continue; |
|
981 case 0x00000100: |
|
982 if (adapter->hw.mac.type == e1000_ich8lan || |
|
983 adapter->hw.mac.type == e1000_ich9lan) |
|
984 continue; |
|
985 break; |
|
986 default: |
|
987 break; |
|
988 } |
|
989 } |
|
990 |
|
991 if (!shared_int) { |
|
992 /* |
|
993 * Disable the interrupt to be reported in |
|
994 * the cause register and then force the same |
|
995 * interrupt and see if one gets posted. If |
|
996 * an interrupt was posted to the bus, the |
|
997 * test failed. |
|
998 */ |
|
999 adapter->test_icr = 0; |
|
1000 ew32(IMC, mask); |
|
1001 ew32(ICS, mask); |
|
1002 msleep(10); |
|
1003 |
|
1004 if (adapter->test_icr & mask) { |
|
1005 *data = 3; |
|
1006 break; |
|
1007 } |
|
1008 } |
|
1009 |
|
1010 /* |
|
1011 * Enable the interrupt to be reported in |
|
1012 * the cause register and then force the same |
|
1013 * interrupt and see if one gets posted. If |
|
1014 * an interrupt was not posted to the bus, the |
|
1015 * test failed. |
|
1016 */ |
|
1017 adapter->test_icr = 0; |
|
1018 ew32(IMS, mask); |
|
1019 ew32(ICS, mask); |
|
1020 msleep(10); |
|
1021 |
|
1022 if (!(adapter->test_icr & mask)) { |
|
1023 *data = 4; |
|
1024 break; |
|
1025 } |
|
1026 |
|
1027 if (!shared_int) { |
|
1028 /* |
|
1029 * Disable the other interrupts to be reported in |
|
1030 * the cause register and then force the other |
|
1031 * interrupts and see if any get posted. If |
|
1032 * an interrupt was posted to the bus, the |
|
1033 * test failed. |
|
1034 */ |
|
1035 adapter->test_icr = 0; |
|
1036 ew32(IMC, ~mask & 0x00007FFF); |
|
1037 ew32(ICS, ~mask & 0x00007FFF); |
|
1038 msleep(10); |
|
1039 |
|
1040 if (adapter->test_icr) { |
|
1041 *data = 5; |
|
1042 break; |
|
1043 } |
|
1044 } |
|
1045 } |
|
1046 |
|
1047 /* Disable all the interrupts */ |
|
1048 ew32(IMC, 0xFFFFFFFF); |
|
1049 msleep(10); |
|
1050 |
|
1051 /* Unhook test interrupt handler */ |
|
1052 free_irq(irq, netdev); |
|
1053 |
|
1054 out: |
|
1055 if (int_mode == E1000E_INT_MODE_MSIX) { |
|
1056 e1000e_reset_interrupt_capability(adapter); |
|
1057 adapter->int_mode = int_mode; |
|
1058 e1000e_set_interrupt_capability(adapter); |
|
1059 } |
|
1060 |
|
1061 return ret_val; |
|
1062 } |
|
1063 |
|
1064 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
1065 { |
|
1066 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1067 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1068 struct pci_dev *pdev = adapter->pdev; |
|
1069 int i; |
|
1070 |
|
1071 if (tx_ring->desc && tx_ring->buffer_info) { |
|
1072 for (i = 0; i < tx_ring->count; i++) { |
|
1073 if (tx_ring->buffer_info[i].dma) |
|
1074 dma_unmap_single(&pdev->dev, |
|
1075 tx_ring->buffer_info[i].dma, |
|
1076 tx_ring->buffer_info[i].length, |
|
1077 DMA_TO_DEVICE); |
|
1078 if (tx_ring->buffer_info[i].skb) |
|
1079 dev_kfree_skb(tx_ring->buffer_info[i].skb); |
|
1080 } |
|
1081 } |
|
1082 |
|
1083 if (rx_ring->desc && rx_ring->buffer_info) { |
|
1084 for (i = 0; i < rx_ring->count; i++) { |
|
1085 if (rx_ring->buffer_info[i].dma) |
|
1086 dma_unmap_single(&pdev->dev, |
|
1087 rx_ring->buffer_info[i].dma, |
|
1088 2048, DMA_FROM_DEVICE); |
|
1089 if (rx_ring->buffer_info[i].skb) |
|
1090 dev_kfree_skb(rx_ring->buffer_info[i].skb); |
|
1091 } |
|
1092 } |
|
1093 |
|
1094 if (tx_ring->desc) { |
|
1095 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, |
|
1096 tx_ring->dma); |
|
1097 tx_ring->desc = NULL; |
|
1098 } |
|
1099 if (rx_ring->desc) { |
|
1100 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, |
|
1101 rx_ring->dma); |
|
1102 rx_ring->desc = NULL; |
|
1103 } |
|
1104 |
|
1105 kfree(tx_ring->buffer_info); |
|
1106 tx_ring->buffer_info = NULL; |
|
1107 kfree(rx_ring->buffer_info); |
|
1108 rx_ring->buffer_info = NULL; |
|
1109 } |
|
1110 |
|
1111 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1112 { |
|
1113 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1114 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1115 struct pci_dev *pdev = adapter->pdev; |
|
1116 struct e1000_hw *hw = &adapter->hw; |
|
1117 u32 rctl; |
|
1118 int i; |
|
1119 int ret_val; |
|
1120 |
|
1121 /* Setup Tx descriptor ring and Tx buffers */ |
|
1122 |
|
1123 if (!tx_ring->count) |
|
1124 tx_ring->count = E1000_DEFAULT_TXD; |
|
1125 |
|
1126 tx_ring->buffer_info = kcalloc(tx_ring->count, |
|
1127 sizeof(struct e1000_buffer), |
|
1128 GFP_KERNEL); |
|
1129 if (!(tx_ring->buffer_info)) { |
|
1130 ret_val = 1; |
|
1131 goto err_nomem; |
|
1132 } |
|
1133 |
|
1134 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); |
|
1135 tx_ring->size = ALIGN(tx_ring->size, 4096); |
|
1136 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, |
|
1137 &tx_ring->dma, GFP_KERNEL); |
|
1138 if (!tx_ring->desc) { |
|
1139 ret_val = 2; |
|
1140 goto err_nomem; |
|
1141 } |
|
1142 tx_ring->next_to_use = 0; |
|
1143 tx_ring->next_to_clean = 0; |
|
1144 |
|
1145 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); |
|
1146 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); |
|
1147 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); |
|
1148 ew32(TDH, 0); |
|
1149 ew32(TDT, 0); |
|
1150 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | |
|
1151 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1152 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1153 |
|
1154 for (i = 0; i < tx_ring->count; i++) { |
|
1155 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); |
|
1156 struct sk_buff *skb; |
|
1157 unsigned int skb_size = 1024; |
|
1158 |
|
1159 skb = alloc_skb(skb_size, GFP_KERNEL); |
|
1160 if (!skb) { |
|
1161 ret_val = 3; |
|
1162 goto err_nomem; |
|
1163 } |
|
1164 skb_put(skb, skb_size); |
|
1165 tx_ring->buffer_info[i].skb = skb; |
|
1166 tx_ring->buffer_info[i].length = skb->len; |
|
1167 tx_ring->buffer_info[i].dma = |
|
1168 dma_map_single(&pdev->dev, skb->data, skb->len, |
|
1169 DMA_TO_DEVICE); |
|
1170 if (dma_mapping_error(&pdev->dev, |
|
1171 tx_ring->buffer_info[i].dma)) { |
|
1172 ret_val = 4; |
|
1173 goto err_nomem; |
|
1174 } |
|
1175 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); |
|
1176 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1177 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1178 E1000_TXD_CMD_IFCS | |
|
1179 E1000_TXD_CMD_RS); |
|
1180 tx_desc->upper.data = 0; |
|
1181 } |
|
1182 |
|
1183 /* Setup Rx descriptor ring and Rx buffers */ |
|
1184 |
|
1185 if (!rx_ring->count) |
|
1186 rx_ring->count = E1000_DEFAULT_RXD; |
|
1187 |
|
1188 rx_ring->buffer_info = kcalloc(rx_ring->count, |
|
1189 sizeof(struct e1000_buffer), |
|
1190 GFP_KERNEL); |
|
1191 if (!(rx_ring->buffer_info)) { |
|
1192 ret_val = 5; |
|
1193 goto err_nomem; |
|
1194 } |
|
1195 |
|
1196 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); |
|
1197 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, |
|
1198 &rx_ring->dma, GFP_KERNEL); |
|
1199 if (!rx_ring->desc) { |
|
1200 ret_val = 6; |
|
1201 goto err_nomem; |
|
1202 } |
|
1203 rx_ring->next_to_use = 0; |
|
1204 rx_ring->next_to_clean = 0; |
|
1205 |
|
1206 rctl = er32(RCTL); |
|
1207 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1208 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); |
|
1209 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); |
|
1210 ew32(RDLEN, rx_ring->size); |
|
1211 ew32(RDH, 0); |
|
1212 ew32(RDT, 0); |
|
1213 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1214 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | |
|
1215 E1000_RCTL_SBP | E1000_RCTL_SECRC | |
|
1216 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1217 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1218 ew32(RCTL, rctl); |
|
1219 |
|
1220 for (i = 0; i < rx_ring->count; i++) { |
|
1221 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); |
|
1222 struct sk_buff *skb; |
|
1223 |
|
1224 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1225 if (!skb) { |
|
1226 ret_val = 7; |
|
1227 goto err_nomem; |
|
1228 } |
|
1229 skb_reserve(skb, NET_IP_ALIGN); |
|
1230 rx_ring->buffer_info[i].skb = skb; |
|
1231 rx_ring->buffer_info[i].dma = |
|
1232 dma_map_single(&pdev->dev, skb->data, 2048, |
|
1233 DMA_FROM_DEVICE); |
|
1234 if (dma_mapping_error(&pdev->dev, |
|
1235 rx_ring->buffer_info[i].dma)) { |
|
1236 ret_val = 8; |
|
1237 goto err_nomem; |
|
1238 } |
|
1239 rx_desc->buffer_addr = |
|
1240 cpu_to_le64(rx_ring->buffer_info[i].dma); |
|
1241 memset(skb->data, 0x00, skb->len); |
|
1242 } |
|
1243 |
|
1244 return 0; |
|
1245 |
|
1246 err_nomem: |
|
1247 e1000_free_desc_rings(adapter); |
|
1248 return ret_val; |
|
1249 } |
|
1250 |
|
1251 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1252 { |
|
1253 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1254 e1e_wphy(&adapter->hw, 29, 0x001F); |
|
1255 e1e_wphy(&adapter->hw, 30, 0x8FFC); |
|
1256 e1e_wphy(&adapter->hw, 29, 0x001A); |
|
1257 e1e_wphy(&adapter->hw, 30, 0x8FF0); |
|
1258 } |
|
1259 |
|
1260 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1261 { |
|
1262 struct e1000_hw *hw = &adapter->hw; |
|
1263 u32 ctrl_reg = 0; |
|
1264 u32 stat_reg = 0; |
|
1265 u16 phy_reg = 0; |
|
1266 |
|
1267 hw->mac.autoneg = 0; |
|
1268 |
|
1269 if (hw->phy.type == e1000_phy_ife) { |
|
1270 /* force 100, set loopback */ |
|
1271 e1e_wphy(hw, PHY_CONTROL, 0x6100); |
|
1272 |
|
1273 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1274 ctrl_reg = er32(CTRL); |
|
1275 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1276 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1277 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1278 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1279 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1280 |
|
1281 ew32(CTRL, ctrl_reg); |
|
1282 udelay(500); |
|
1283 |
|
1284 return 0; |
|
1285 } |
|
1286 |
|
1287 /* Specific PHY configuration for loopback */ |
|
1288 switch (hw->phy.type) { |
|
1289 case e1000_phy_m88: |
|
1290 /* Auto-MDI/MDIX Off */ |
|
1291 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1292 /* reset to update Auto-MDI/MDIX */ |
|
1293 e1e_wphy(hw, PHY_CONTROL, 0x9140); |
|
1294 /* autoneg off */ |
|
1295 e1e_wphy(hw, PHY_CONTROL, 0x8140); |
|
1296 break; |
|
1297 case e1000_phy_gg82563: |
|
1298 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); |
|
1299 break; |
|
1300 case e1000_phy_bm: |
|
1301 /* Set Default MAC Interface speed to 1GB */ |
|
1302 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); |
|
1303 phy_reg &= ~0x0007; |
|
1304 phy_reg |= 0x006; |
|
1305 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); |
|
1306 /* Assert SW reset for above settings to take effect */ |
|
1307 e1000e_commit_phy(hw); |
|
1308 mdelay(1); |
|
1309 /* Force Full Duplex */ |
|
1310 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1311 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); |
|
1312 /* Set Link Up (in force link) */ |
|
1313 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); |
|
1314 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); |
|
1315 /* Force Link */ |
|
1316 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1317 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); |
|
1318 /* Set Early Link Enable */ |
|
1319 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); |
|
1320 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); |
|
1321 break; |
|
1322 case e1000_phy_82577: |
|
1323 case e1000_phy_82578: |
|
1324 /* Workaround: K1 must be disabled for stable 1Gbps operation */ |
|
1325 e1000_configure_k1_ich8lan(hw, false); |
|
1326 break; |
|
1327 case e1000_phy_82579: |
|
1328 /* Disable PHY energy detect power down */ |
|
1329 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); |
|
1330 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); |
|
1331 /* Disable full chip energy detect */ |
|
1332 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); |
|
1333 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); |
|
1334 /* Enable loopback on the PHY */ |
|
1335 #define I82577_PHY_LBK_CTRL 19 |
|
1336 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); |
|
1337 break; |
|
1338 default: |
|
1339 break; |
|
1340 } |
|
1341 |
|
1342 /* force 1000, set loopback */ |
|
1343 e1e_wphy(hw, PHY_CONTROL, 0x4140); |
|
1344 mdelay(250); |
|
1345 |
|
1346 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1347 ctrl_reg = er32(CTRL); |
|
1348 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1349 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1350 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1351 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1352 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1353 |
|
1354 if (adapter->flags & FLAG_IS_ICH) |
|
1355 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ |
|
1356 |
|
1357 if (hw->phy.media_type == e1000_media_type_copper && |
|
1358 hw->phy.type == e1000_phy_m88) { |
|
1359 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1360 } else { |
|
1361 /* |
|
1362 * Set the ILOS bit on the fiber Nic if half duplex link is |
|
1363 * detected. |
|
1364 */ |
|
1365 stat_reg = er32(STATUS); |
|
1366 if ((stat_reg & E1000_STATUS_FD) == 0) |
|
1367 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1368 } |
|
1369 |
|
1370 ew32(CTRL, ctrl_reg); |
|
1371 |
|
1372 /* |
|
1373 * Disable the receiver on the PHY so when a cable is plugged in, the |
|
1374 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1375 */ |
|
1376 if (hw->phy.type == e1000_phy_m88) |
|
1377 e1000_phy_disable_receiver(adapter); |
|
1378 |
|
1379 udelay(500); |
|
1380 |
|
1381 return 0; |
|
1382 } |
|
1383 |
|
1384 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) |
|
1385 { |
|
1386 struct e1000_hw *hw = &adapter->hw; |
|
1387 u32 ctrl = er32(CTRL); |
|
1388 int link = 0; |
|
1389 |
|
1390 /* special requirements for 82571/82572 fiber adapters */ |
|
1391 |
|
1392 /* |
|
1393 * jump through hoops to make sure link is up because serdes |
|
1394 * link is hardwired up |
|
1395 */ |
|
1396 ctrl |= E1000_CTRL_SLU; |
|
1397 ew32(CTRL, ctrl); |
|
1398 |
|
1399 /* disable autoneg */ |
|
1400 ctrl = er32(TXCW); |
|
1401 ctrl &= ~(1 << 31); |
|
1402 ew32(TXCW, ctrl); |
|
1403 |
|
1404 link = (er32(STATUS) & E1000_STATUS_LU); |
|
1405 |
|
1406 if (!link) { |
|
1407 /* set invert loss of signal */ |
|
1408 ctrl = er32(CTRL); |
|
1409 ctrl |= E1000_CTRL_ILOS; |
|
1410 ew32(CTRL, ctrl); |
|
1411 } |
|
1412 |
|
1413 /* |
|
1414 * special write to serdes control register to enable SerDes analog |
|
1415 * loopback |
|
1416 */ |
|
1417 #define E1000_SERDES_LB_ON 0x410 |
|
1418 ew32(SCTL, E1000_SERDES_LB_ON); |
|
1419 msleep(10); |
|
1420 |
|
1421 return 0; |
|
1422 } |
|
1423 |
|
1424 /* only call this for fiber/serdes connections to es2lan */ |
|
1425 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) |
|
1426 { |
|
1427 struct e1000_hw *hw = &adapter->hw; |
|
1428 u32 ctrlext = er32(CTRL_EXT); |
|
1429 u32 ctrl = er32(CTRL); |
|
1430 |
|
1431 /* |
|
1432 * save CTRL_EXT to restore later, reuse an empty variable (unused |
|
1433 * on mac_type 80003es2lan) |
|
1434 */ |
|
1435 adapter->tx_fifo_head = ctrlext; |
|
1436 |
|
1437 /* clear the serdes mode bits, putting the device into mac loopback */ |
|
1438 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; |
|
1439 ew32(CTRL_EXT, ctrlext); |
|
1440 |
|
1441 /* force speed to 1000/FD, link up */ |
|
1442 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); |
|
1443 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | |
|
1444 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); |
|
1445 ew32(CTRL, ctrl); |
|
1446 |
|
1447 /* set mac loopback */ |
|
1448 ctrl = er32(RCTL); |
|
1449 ctrl |= E1000_RCTL_LBM_MAC; |
|
1450 ew32(RCTL, ctrl); |
|
1451 |
|
1452 /* set testing mode parameters (no need to reset later) */ |
|
1453 #define KMRNCTRLSTA_OPMODE (0x1F << 16) |
|
1454 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 |
|
1455 ew32(KMRNCTRLSTA, |
|
1456 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); |
|
1457 |
|
1458 return 0; |
|
1459 } |
|
1460 |
|
1461 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1462 { |
|
1463 struct e1000_hw *hw = &adapter->hw; |
|
1464 u32 rctl; |
|
1465 |
|
1466 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1467 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1468 switch (hw->mac.type) { |
|
1469 case e1000_80003es2lan: |
|
1470 return e1000_set_es2lan_mac_loopback(adapter); |
|
1471 break; |
|
1472 case e1000_82571: |
|
1473 case e1000_82572: |
|
1474 return e1000_set_82571_fiber_loopback(adapter); |
|
1475 break; |
|
1476 default: |
|
1477 rctl = er32(RCTL); |
|
1478 rctl |= E1000_RCTL_LBM_TCVR; |
|
1479 ew32(RCTL, rctl); |
|
1480 return 0; |
|
1481 } |
|
1482 } else if (hw->phy.media_type == e1000_media_type_copper) { |
|
1483 return e1000_integrated_phy_loopback(adapter); |
|
1484 } |
|
1485 |
|
1486 return 7; |
|
1487 } |
|
1488 |
|
1489 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1490 { |
|
1491 struct e1000_hw *hw = &adapter->hw; |
|
1492 u32 rctl; |
|
1493 u16 phy_reg; |
|
1494 |
|
1495 rctl = er32(RCTL); |
|
1496 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1497 ew32(RCTL, rctl); |
|
1498 |
|
1499 switch (hw->mac.type) { |
|
1500 case e1000_80003es2lan: |
|
1501 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1502 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1503 /* restore CTRL_EXT, stealing space from tx_fifo_head */ |
|
1504 ew32(CTRL_EXT, adapter->tx_fifo_head); |
|
1505 adapter->tx_fifo_head = 0; |
|
1506 } |
|
1507 /* fall through */ |
|
1508 case e1000_82571: |
|
1509 case e1000_82572: |
|
1510 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1511 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1512 #define E1000_SERDES_LB_OFF 0x400 |
|
1513 ew32(SCTL, E1000_SERDES_LB_OFF); |
|
1514 msleep(10); |
|
1515 break; |
|
1516 } |
|
1517 /* Fall Through */ |
|
1518 default: |
|
1519 hw->mac.autoneg = 1; |
|
1520 if (hw->phy.type == e1000_phy_gg82563) |
|
1521 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); |
|
1522 e1e_rphy(hw, PHY_CONTROL, &phy_reg); |
|
1523 if (phy_reg & MII_CR_LOOPBACK) { |
|
1524 phy_reg &= ~MII_CR_LOOPBACK; |
|
1525 e1e_wphy(hw, PHY_CONTROL, phy_reg); |
|
1526 e1000e_commit_phy(hw); |
|
1527 } |
|
1528 break; |
|
1529 } |
|
1530 } |
|
1531 |
|
1532 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1533 unsigned int frame_size) |
|
1534 { |
|
1535 memset(skb->data, 0xFF, frame_size); |
|
1536 frame_size &= ~1; |
|
1537 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1538 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1539 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1540 } |
|
1541 |
|
1542 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1543 unsigned int frame_size) |
|
1544 { |
|
1545 frame_size &= ~1; |
|
1546 if (*(skb->data + 3) == 0xFF) |
|
1547 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1548 (*(skb->data + frame_size / 2 + 12) == 0xAF)) |
|
1549 return 0; |
|
1550 return 13; |
|
1551 } |
|
1552 |
|
1553 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1554 { |
|
1555 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1556 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1557 struct pci_dev *pdev = adapter->pdev; |
|
1558 struct e1000_hw *hw = &adapter->hw; |
|
1559 int i, j, k, l; |
|
1560 int lc; |
|
1561 int good_cnt; |
|
1562 int ret_val = 0; |
|
1563 unsigned long time; |
|
1564 |
|
1565 ew32(RDT, rx_ring->count - 1); |
|
1566 |
|
1567 /* |
|
1568 * Calculate the loop count based on the largest descriptor ring |
|
1569 * The idea is to wrap the largest ring a number of times using 64 |
|
1570 * send/receive pairs during each loop |
|
1571 */ |
|
1572 |
|
1573 if (rx_ring->count <= tx_ring->count) |
|
1574 lc = ((tx_ring->count / 64) * 2) + 1; |
|
1575 else |
|
1576 lc = ((rx_ring->count / 64) * 2) + 1; |
|
1577 |
|
1578 k = 0; |
|
1579 l = 0; |
|
1580 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1581 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1582 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, |
|
1583 1024); |
|
1584 dma_sync_single_for_device(&pdev->dev, |
|
1585 tx_ring->buffer_info[k].dma, |
|
1586 tx_ring->buffer_info[k].length, |
|
1587 DMA_TO_DEVICE); |
|
1588 k++; |
|
1589 if (k == tx_ring->count) |
|
1590 k = 0; |
|
1591 } |
|
1592 ew32(TDT, k); |
|
1593 msleep(200); |
|
1594 time = jiffies; /* set the start time for the receive */ |
|
1595 good_cnt = 0; |
|
1596 do { /* receive the sent packets */ |
|
1597 dma_sync_single_for_cpu(&pdev->dev, |
|
1598 rx_ring->buffer_info[l].dma, 2048, |
|
1599 DMA_FROM_DEVICE); |
|
1600 |
|
1601 ret_val = e1000_check_lbtest_frame( |
|
1602 rx_ring->buffer_info[l].skb, 1024); |
|
1603 if (!ret_val) |
|
1604 good_cnt++; |
|
1605 l++; |
|
1606 if (l == rx_ring->count) |
|
1607 l = 0; |
|
1608 /* |
|
1609 * time + 20 msecs (200 msecs on 2.4) is more than |
|
1610 * enough time to complete the receives, if it's |
|
1611 * exceeded, break and error off |
|
1612 */ |
|
1613 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); |
|
1614 if (good_cnt != 64) { |
|
1615 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1616 break; |
|
1617 } |
|
1618 if (jiffies >= (time + 20)) { |
|
1619 ret_val = 14; /* error code for time out error */ |
|
1620 break; |
|
1621 } |
|
1622 } /* end loop count loop */ |
|
1623 return ret_val; |
|
1624 } |
|
1625 |
|
1626 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1627 { |
|
1628 /* |
|
1629 * PHY loopback cannot be performed if SoL/IDER |
|
1630 * sessions are active |
|
1631 */ |
|
1632 if (e1000_check_reset_block(&adapter->hw)) { |
|
1633 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); |
|
1634 *data = 0; |
|
1635 goto out; |
|
1636 } |
|
1637 |
|
1638 *data = e1000_setup_desc_rings(adapter); |
|
1639 if (*data) |
|
1640 goto out; |
|
1641 |
|
1642 *data = e1000_setup_loopback_test(adapter); |
|
1643 if (*data) |
|
1644 goto err_loopback; |
|
1645 |
|
1646 *data = e1000_run_loopback_test(adapter); |
|
1647 e1000_loopback_cleanup(adapter); |
|
1648 |
|
1649 err_loopback: |
|
1650 e1000_free_desc_rings(adapter); |
|
1651 out: |
|
1652 return *data; |
|
1653 } |
|
1654 |
|
1655 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1656 { |
|
1657 struct e1000_hw *hw = &adapter->hw; |
|
1658 |
|
1659 *data = 0; |
|
1660 if (hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1661 int i = 0; |
|
1662 hw->mac.serdes_has_link = false; |
|
1663 |
|
1664 /* |
|
1665 * On some blade server designs, link establishment |
|
1666 * could take as long as 2-3 minutes |
|
1667 */ |
|
1668 do { |
|
1669 hw->mac.ops.check_for_link(hw); |
|
1670 if (hw->mac.serdes_has_link) |
|
1671 return *data; |
|
1672 msleep(20); |
|
1673 } while (i++ < 3750); |
|
1674 |
|
1675 *data = 1; |
|
1676 } else { |
|
1677 hw->mac.ops.check_for_link(hw); |
|
1678 if (hw->mac.autoneg) |
|
1679 msleep(4000); |
|
1680 |
|
1681 if (!(er32(STATUS) & |
|
1682 E1000_STATUS_LU)) |
|
1683 *data = 1; |
|
1684 } |
|
1685 return *data; |
|
1686 } |
|
1687 |
|
1688 static int e1000e_get_sset_count(struct net_device *netdev, int sset) |
|
1689 { |
|
1690 switch (sset) { |
|
1691 case ETH_SS_TEST: |
|
1692 return E1000_TEST_LEN; |
|
1693 case ETH_SS_STATS: |
|
1694 return E1000_STATS_LEN; |
|
1695 default: |
|
1696 return -EOPNOTSUPP; |
|
1697 } |
|
1698 } |
|
1699 |
|
1700 static void e1000_diag_test(struct net_device *netdev, |
|
1701 struct ethtool_test *eth_test, u64 *data) |
|
1702 { |
|
1703 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1704 u16 autoneg_advertised; |
|
1705 u8 forced_speed_duplex; |
|
1706 u8 autoneg; |
|
1707 bool if_running = netif_running(netdev); |
|
1708 |
|
1709 set_bit(__E1000_TESTING, &adapter->state); |
|
1710 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1711 /* Offline tests */ |
|
1712 |
|
1713 /* save speed, duplex, autoneg settings */ |
|
1714 autoneg_advertised = adapter->hw.phy.autoneg_advertised; |
|
1715 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; |
|
1716 autoneg = adapter->hw.mac.autoneg; |
|
1717 |
|
1718 e_info("offline testing starting\n"); |
|
1719 |
|
1720 if (if_running) |
|
1721 /* indicate we're in test mode */ |
|
1722 dev_close(netdev); |
|
1723 else |
|
1724 e1000e_reset(adapter); |
|
1725 |
|
1726 if (e1000_reg_test(adapter, &data[0])) |
|
1727 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1728 |
|
1729 e1000e_reset(adapter); |
|
1730 if (e1000_eeprom_test(adapter, &data[1])) |
|
1731 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1732 |
|
1733 e1000e_reset(adapter); |
|
1734 if (e1000_intr_test(adapter, &data[2])) |
|
1735 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1736 |
|
1737 e1000e_reset(adapter); |
|
1738 /* make sure the phy is powered up */ |
|
1739 e1000e_power_up_phy(adapter); |
|
1740 if (e1000_loopback_test(adapter, &data[3])) |
|
1741 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1742 |
|
1743 /* force this routine to wait until autoneg complete/timeout */ |
|
1744 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1745 e1000e_reset(adapter); |
|
1746 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1747 |
|
1748 if (e1000_link_test(adapter, &data[4])) |
|
1749 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1750 |
|
1751 /* restore speed, duplex, autoneg settings */ |
|
1752 adapter->hw.phy.autoneg_advertised = autoneg_advertised; |
|
1753 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; |
|
1754 adapter->hw.mac.autoneg = autoneg; |
|
1755 e1000e_reset(adapter); |
|
1756 |
|
1757 clear_bit(__E1000_TESTING, &adapter->state); |
|
1758 if (if_running) |
|
1759 dev_open(netdev); |
|
1760 } else { |
|
1761 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) { |
|
1762 clear_bit(__E1000_TESTING, &adapter->state); |
|
1763 dev_open(netdev); |
|
1764 set_bit(__E1000_TESTING, &adapter->state); |
|
1765 } |
|
1766 |
|
1767 e_info("online testing starting\n"); |
|
1768 /* Online tests */ |
|
1769 if (e1000_link_test(adapter, &data[4])) |
|
1770 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1771 |
|
1772 /* Online tests aren't run; pass by default */ |
|
1773 data[0] = 0; |
|
1774 data[1] = 0; |
|
1775 data[2] = 0; |
|
1776 data[3] = 0; |
|
1777 |
|
1778 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) |
|
1779 dev_close(netdev); |
|
1780 |
|
1781 clear_bit(__E1000_TESTING, &adapter->state); |
|
1782 } |
|
1783 msleep_interruptible(4 * 1000); |
|
1784 } |
|
1785 |
|
1786 static void e1000_get_wol(struct net_device *netdev, |
|
1787 struct ethtool_wolinfo *wol) |
|
1788 { |
|
1789 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1790 |
|
1791 wol->supported = 0; |
|
1792 wol->wolopts = 0; |
|
1793 |
|
1794 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1795 !device_can_wakeup(&adapter->pdev->dev)) |
|
1796 return; |
|
1797 |
|
1798 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1799 WAKE_BCAST | WAKE_MAGIC | |
|
1800 WAKE_PHY | WAKE_ARP; |
|
1801 |
|
1802 /* apply any specific unsupported masks here */ |
|
1803 if (adapter->flags & FLAG_NO_WAKE_UCAST) { |
|
1804 wol->supported &= ~WAKE_UCAST; |
|
1805 |
|
1806 if (adapter->wol & E1000_WUFC_EX) |
|
1807 e_err("Interface does not support directed (unicast) " |
|
1808 "frame wake-up packets\n"); |
|
1809 } |
|
1810 |
|
1811 if (adapter->wol & E1000_WUFC_EX) |
|
1812 wol->wolopts |= WAKE_UCAST; |
|
1813 if (adapter->wol & E1000_WUFC_MC) |
|
1814 wol->wolopts |= WAKE_MCAST; |
|
1815 if (adapter->wol & E1000_WUFC_BC) |
|
1816 wol->wolopts |= WAKE_BCAST; |
|
1817 if (adapter->wol & E1000_WUFC_MAG) |
|
1818 wol->wolopts |= WAKE_MAGIC; |
|
1819 if (adapter->wol & E1000_WUFC_LNKC) |
|
1820 wol->wolopts |= WAKE_PHY; |
|
1821 if (adapter->wol & E1000_WUFC_ARP) |
|
1822 wol->wolopts |= WAKE_ARP; |
|
1823 } |
|
1824 |
|
1825 static int e1000_set_wol(struct net_device *netdev, |
|
1826 struct ethtool_wolinfo *wol) |
|
1827 { |
|
1828 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1829 |
|
1830 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1831 !device_can_wakeup(&adapter->pdev->dev) || |
|
1832 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | |
|
1833 WAKE_MAGIC | WAKE_PHY | WAKE_ARP))) |
|
1834 return -EOPNOTSUPP; |
|
1835 |
|
1836 /* these settings will always override what we currently have */ |
|
1837 adapter->wol = 0; |
|
1838 |
|
1839 if (wol->wolopts & WAKE_UCAST) |
|
1840 adapter->wol |= E1000_WUFC_EX; |
|
1841 if (wol->wolopts & WAKE_MCAST) |
|
1842 adapter->wol |= E1000_WUFC_MC; |
|
1843 if (wol->wolopts & WAKE_BCAST) |
|
1844 adapter->wol |= E1000_WUFC_BC; |
|
1845 if (wol->wolopts & WAKE_MAGIC) |
|
1846 adapter->wol |= E1000_WUFC_MAG; |
|
1847 if (wol->wolopts & WAKE_PHY) |
|
1848 adapter->wol |= E1000_WUFC_LNKC; |
|
1849 if (wol->wolopts & WAKE_ARP) |
|
1850 adapter->wol |= E1000_WUFC_ARP; |
|
1851 |
|
1852 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1853 |
|
1854 return 0; |
|
1855 } |
|
1856 |
|
1857 /* toggle LED 4 times per second = 2 "blinks" per second */ |
|
1858 #define E1000_ID_INTERVAL (HZ/4) |
|
1859 |
|
1860 /* bit defines for adapter->led_status */ |
|
1861 #define E1000_LED_ON 0 |
|
1862 |
|
1863 static void e1000e_led_blink_task(struct work_struct *work) |
|
1864 { |
|
1865 struct e1000_adapter *adapter = container_of(work, |
|
1866 struct e1000_adapter, led_blink_task); |
|
1867 |
|
1868 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) |
|
1869 adapter->hw.mac.ops.led_off(&adapter->hw); |
|
1870 else |
|
1871 adapter->hw.mac.ops.led_on(&adapter->hw); |
|
1872 } |
|
1873 |
|
1874 static void e1000_led_blink_callback(unsigned long data) |
|
1875 { |
|
1876 struct e1000_adapter *adapter = (struct e1000_adapter *) data; |
|
1877 |
|
1878 schedule_work(&adapter->led_blink_task); |
|
1879 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); |
|
1880 } |
|
1881 |
|
1882 static int e1000_phys_id(struct net_device *netdev, u32 data) |
|
1883 { |
|
1884 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1885 struct e1000_hw *hw = &adapter->hw; |
|
1886 |
|
1887 if (!data) |
|
1888 data = INT_MAX; |
|
1889 |
|
1890 if ((hw->phy.type == e1000_phy_ife) || |
|
1891 (hw->mac.type == e1000_pchlan) || |
|
1892 (hw->mac.type == e1000_pch2lan) || |
|
1893 (hw->mac.type == e1000_82583) || |
|
1894 (hw->mac.type == e1000_82574)) { |
|
1895 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); |
|
1896 if (!adapter->blink_timer.function) { |
|
1897 init_timer(&adapter->blink_timer); |
|
1898 adapter->blink_timer.function = |
|
1899 e1000_led_blink_callback; |
|
1900 adapter->blink_timer.data = (unsigned long) adapter; |
|
1901 } |
|
1902 mod_timer(&adapter->blink_timer, jiffies); |
|
1903 msleep_interruptible(data * 1000); |
|
1904 del_timer_sync(&adapter->blink_timer); |
|
1905 if (hw->phy.type == e1000_phy_ife) |
|
1906 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); |
|
1907 } else { |
|
1908 e1000e_blink_led(hw); |
|
1909 msleep_interruptible(data * 1000); |
|
1910 } |
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1911 |
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1912 hw->mac.ops.led_off(hw); |
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1913 clear_bit(E1000_LED_ON, &adapter->led_status); |
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1914 hw->mac.ops.cleanup_led(hw); |
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1915 |
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1916 return 0; |
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1917 } |
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1918 |
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1919 static int e1000_get_coalesce(struct net_device *netdev, |
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1920 struct ethtool_coalesce *ec) |
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1921 { |
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1922 struct e1000_adapter *adapter = netdev_priv(netdev); |
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1923 |
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1924 if (adapter->itr_setting <= 4) |
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1925 ec->rx_coalesce_usecs = adapter->itr_setting; |
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1926 else |
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1927 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1928 |
|
1929 return 0; |
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1930 } |
|
1931 |
|
1932 static int e1000_set_coalesce(struct net_device *netdev, |
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1933 struct ethtool_coalesce *ec) |
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1934 { |
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1935 struct e1000_adapter *adapter = netdev_priv(netdev); |
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1936 struct e1000_hw *hw = &adapter->hw; |
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1937 |
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1938 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
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1939 ((ec->rx_coalesce_usecs > 4) && |
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1940 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
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1941 (ec->rx_coalesce_usecs == 2)) |
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1942 return -EINVAL; |
|
1943 |
|
1944 if (ec->rx_coalesce_usecs == 4) { |
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1945 adapter->itr = adapter->itr_setting = 4; |
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1946 } else if (ec->rx_coalesce_usecs <= 3) { |
|
1947 adapter->itr = 20000; |
|
1948 adapter->itr_setting = ec->rx_coalesce_usecs; |
|
1949 } else { |
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1950 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1951 adapter->itr_setting = adapter->itr & ~3; |
|
1952 } |
|
1953 |
|
1954 if (adapter->itr_setting != 0) |
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1955 ew32(ITR, 1000000000 / (adapter->itr * 256)); |
|
1956 else |
|
1957 ew32(ITR, 0); |
|
1958 |
|
1959 return 0; |
|
1960 } |
|
1961 |
|
1962 static int e1000_nway_reset(struct net_device *netdev) |
|
1963 { |
|
1964 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1965 if (netif_running(netdev)) |
|
1966 e1000e_reinit_locked(adapter); |
|
1967 return 0; |
|
1968 } |
|
1969 |
|
1970 static void e1000_get_ethtool_stats(struct net_device *netdev, |
|
1971 struct ethtool_stats *stats, |
|
1972 u64 *data) |
|
1973 { |
|
1974 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1975 int i; |
|
1976 char *p = NULL; |
|
1977 |
|
1978 e1000e_update_stats(adapter); |
|
1979 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1980 switch (e1000_gstrings_stats[i].type) { |
|
1981 case NETDEV_STATS: |
|
1982 p = (char *) netdev + |
|
1983 e1000_gstrings_stats[i].stat_offset; |
|
1984 break; |
|
1985 case E1000_STATS: |
|
1986 p = (char *) adapter + |
|
1987 e1000_gstrings_stats[i].stat_offset; |
|
1988 break; |
|
1989 } |
|
1990 |
|
1991 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
|
1992 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
|
1993 } |
|
1994 } |
|
1995 |
|
1996 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
|
1997 u8 *data) |
|
1998 { |
|
1999 u8 *p = data; |
|
2000 int i; |
|
2001 |
|
2002 switch (stringset) { |
|
2003 case ETH_SS_TEST: |
|
2004 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test)); |
|
2005 break; |
|
2006 case ETH_SS_STATS: |
|
2007 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
2008 memcpy(p, e1000_gstrings_stats[i].stat_string, |
|
2009 ETH_GSTRING_LEN); |
|
2010 p += ETH_GSTRING_LEN; |
|
2011 } |
|
2012 break; |
|
2013 } |
|
2014 } |
|
2015 |
|
2016 static const struct ethtool_ops e1000_ethtool_ops = { |
|
2017 .get_settings = e1000_get_settings, |
|
2018 .set_settings = e1000_set_settings, |
|
2019 .get_drvinfo = e1000_get_drvinfo, |
|
2020 .get_regs_len = e1000_get_regs_len, |
|
2021 .get_regs = e1000_get_regs, |
|
2022 .get_wol = e1000_get_wol, |
|
2023 .set_wol = e1000_set_wol, |
|
2024 .get_msglevel = e1000_get_msglevel, |
|
2025 .set_msglevel = e1000_set_msglevel, |
|
2026 .nway_reset = e1000_nway_reset, |
|
2027 .get_link = e1000_get_link, |
|
2028 .get_eeprom_len = e1000_get_eeprom_len, |
|
2029 .get_eeprom = e1000_get_eeprom, |
|
2030 .set_eeprom = e1000_set_eeprom, |
|
2031 .get_ringparam = e1000_get_ringparam, |
|
2032 .set_ringparam = e1000_set_ringparam, |
|
2033 .get_pauseparam = e1000_get_pauseparam, |
|
2034 .set_pauseparam = e1000_set_pauseparam, |
|
2035 .get_rx_csum = e1000_get_rx_csum, |
|
2036 .set_rx_csum = e1000_set_rx_csum, |
|
2037 .get_tx_csum = e1000_get_tx_csum, |
|
2038 .set_tx_csum = e1000_set_tx_csum, |
|
2039 .get_sg = ethtool_op_get_sg, |
|
2040 .set_sg = ethtool_op_set_sg, |
|
2041 .get_tso = ethtool_op_get_tso, |
|
2042 .set_tso = e1000_set_tso, |
|
2043 .self_test = e1000_diag_test, |
|
2044 .get_strings = e1000_get_strings, |
|
2045 .phys_id = e1000_phys_id, |
|
2046 .get_ethtool_stats = e1000_get_ethtool_stats, |
|
2047 .get_sset_count = e1000e_get_sset_count, |
|
2048 .get_coalesce = e1000_get_coalesce, |
|
2049 .set_coalesce = e1000_set_coalesce, |
|
2050 .get_flags = ethtool_op_get_flags, |
|
2051 }; |
|
2052 |
|
2053 void e1000e_set_ethtool_ops(struct net_device *netdev) |
|
2054 { |
|
2055 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
|
2056 } |