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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 - 2006 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 "e1000-2.6.27-ethercat.h" |
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32 #include <asm/uaccess.h> |
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33 |
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34 struct e1000_stats { |
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35 char stat_string[ETH_GSTRING_LEN]; |
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36 int sizeof_stat; |
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37 int stat_offset; |
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38 }; |
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39 |
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40 #define E1000_STAT(m) FIELD_SIZEOF(struct e1000_adapter, m), \ |
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41 offsetof(struct e1000_adapter, m) |
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42 static const struct e1000_stats e1000_gstrings_stats[] = { |
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43 { "rx_packets", E1000_STAT(stats.gprc) }, |
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44 { "tx_packets", E1000_STAT(stats.gptc) }, |
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45 { "rx_bytes", E1000_STAT(stats.gorcl) }, |
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46 { "tx_bytes", E1000_STAT(stats.gotcl) }, |
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47 { "rx_broadcast", E1000_STAT(stats.bprc) }, |
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48 { "tx_broadcast", E1000_STAT(stats.bptc) }, |
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49 { "rx_multicast", E1000_STAT(stats.mprc) }, |
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50 { "tx_multicast", E1000_STAT(stats.mptc) }, |
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51 { "rx_errors", E1000_STAT(stats.rxerrc) }, |
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52 { "tx_errors", E1000_STAT(stats.txerrc) }, |
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53 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) }, |
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54 { "multicast", E1000_STAT(stats.mprc) }, |
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55 { "collisions", E1000_STAT(stats.colc) }, |
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56 { "rx_length_errors", E1000_STAT(stats.rlerrc) }, |
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57 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) }, |
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58 { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, |
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59 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) }, |
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60 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, |
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61 { "rx_missed_errors", E1000_STAT(stats.mpc) }, |
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62 { "tx_aborted_errors", E1000_STAT(stats.ecol) }, |
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63 { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, |
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64 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) }, |
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65 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) }, |
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66 { "tx_window_errors", E1000_STAT(stats.latecol) }, |
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67 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, |
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68 { "tx_deferred_ok", E1000_STAT(stats.dc) }, |
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69 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, |
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70 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, |
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71 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, |
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72 { "tx_restart_queue", E1000_STAT(restart_queue) }, |
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73 { "rx_long_length_errors", E1000_STAT(stats.roc) }, |
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74 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, |
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75 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, |
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76 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, |
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77 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, |
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78 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, |
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79 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, |
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80 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, |
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81 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, |
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82 { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, |
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83 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, |
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84 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, |
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85 { "rx_header_split", E1000_STAT(rx_hdr_split) }, |
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86 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, |
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87 { "tx_smbus", E1000_STAT(stats.mgptc) }, |
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88 { "rx_smbus", E1000_STAT(stats.mgprc) }, |
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89 { "dropped_smbus", E1000_STAT(stats.mgpdc) }, |
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90 }; |
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91 |
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92 #define E1000_QUEUE_STATS_LEN 0 |
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93 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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94 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) |
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95 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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96 "Register test (offline)", "Eeprom test (offline)", |
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97 "Interrupt test (offline)", "Loopback test (offline)", |
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98 "Link test (on/offline)" |
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99 }; |
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100 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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101 |
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102 static int e1000_get_settings(struct net_device *netdev, |
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103 struct ethtool_cmd *ecmd) |
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104 { |
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105 struct e1000_adapter *adapter = netdev_priv(netdev); |
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106 struct e1000_hw *hw = &adapter->hw; |
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107 |
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108 if (hw->media_type == e1000_media_type_copper) { |
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109 |
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110 ecmd->supported = (SUPPORTED_10baseT_Half | |
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111 SUPPORTED_10baseT_Full | |
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112 SUPPORTED_100baseT_Half | |
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113 SUPPORTED_100baseT_Full | |
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114 SUPPORTED_1000baseT_Full| |
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115 SUPPORTED_Autoneg | |
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116 SUPPORTED_TP); |
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117 if (hw->phy_type == e1000_phy_ife) |
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118 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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119 ecmd->advertising = ADVERTISED_TP; |
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120 |
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121 if (hw->autoneg == 1) { |
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122 ecmd->advertising |= ADVERTISED_Autoneg; |
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123 /* the e1000 autoneg seems to match ethtool nicely */ |
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124 ecmd->advertising |= hw->autoneg_advertised; |
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125 } |
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126 |
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127 ecmd->port = PORT_TP; |
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128 ecmd->phy_address = hw->phy_addr; |
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129 |
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130 if (hw->mac_type == e1000_82543) |
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131 ecmd->transceiver = XCVR_EXTERNAL; |
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132 else |
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133 ecmd->transceiver = XCVR_INTERNAL; |
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134 |
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135 } else { |
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136 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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137 SUPPORTED_FIBRE | |
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138 SUPPORTED_Autoneg); |
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139 |
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140 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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141 ADVERTISED_FIBRE | |
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142 ADVERTISED_Autoneg); |
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143 |
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144 ecmd->port = PORT_FIBRE; |
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145 |
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146 if (hw->mac_type >= e1000_82545) |
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147 ecmd->transceiver = XCVR_INTERNAL; |
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148 else |
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149 ecmd->transceiver = XCVR_EXTERNAL; |
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150 } |
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151 |
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152 if (er32(STATUS) & E1000_STATUS_LU) { |
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153 |
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154 e1000_get_speed_and_duplex(hw, &adapter->link_speed, |
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155 &adapter->link_duplex); |
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156 ecmd->speed = adapter->link_speed; |
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157 |
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158 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL |
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159 * and HALF_DUPLEX != DUPLEX_HALF */ |
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160 |
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161 if (adapter->link_duplex == FULL_DUPLEX) |
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162 ecmd->duplex = DUPLEX_FULL; |
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163 else |
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164 ecmd->duplex = DUPLEX_HALF; |
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165 } else { |
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166 ecmd->speed = -1; |
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167 ecmd->duplex = -1; |
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168 } |
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169 |
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170 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || |
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171 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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172 return 0; |
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173 } |
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174 |
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175 static int e1000_set_settings(struct net_device *netdev, |
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176 struct ethtool_cmd *ecmd) |
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177 { |
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178 struct e1000_adapter *adapter = netdev_priv(netdev); |
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179 struct e1000_hw *hw = &adapter->hw; |
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180 |
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181 if (adapter->ecdev) |
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182 return -EBUSY; |
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183 |
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184 /* When SoL/IDER sessions are active, autoneg/speed/duplex |
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185 * cannot be changed */ |
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186 if (e1000_check_phy_reset_block(hw)) { |
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187 DPRINTK(DRV, ERR, "Cannot change link characteristics " |
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188 "when SoL/IDER is active.\n"); |
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189 return -EINVAL; |
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190 } |
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191 |
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192 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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193 msleep(1); |
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194 |
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195 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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196 hw->autoneg = 1; |
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197 if (hw->media_type == e1000_media_type_fiber) |
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198 hw->autoneg_advertised = ADVERTISED_1000baseT_Full | |
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199 ADVERTISED_FIBRE | |
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200 ADVERTISED_Autoneg; |
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201 else |
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202 hw->autoneg_advertised = ecmd->advertising | |
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203 ADVERTISED_TP | |
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204 ADVERTISED_Autoneg; |
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205 ecmd->advertising = hw->autoneg_advertised; |
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206 } else |
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207 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { |
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208 clear_bit(__E1000_RESETTING, &adapter->flags); |
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209 return -EINVAL; |
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210 } |
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211 |
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212 /* reset the link */ |
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213 |
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214 if (netif_running(adapter->netdev)) { |
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215 e1000_down(adapter); |
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216 e1000_up(adapter); |
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217 } else |
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218 e1000_reset(adapter); |
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219 |
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220 clear_bit(__E1000_RESETTING, &adapter->flags); |
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221 return 0; |
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222 } |
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223 |
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224 static void e1000_get_pauseparam(struct net_device *netdev, |
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225 struct ethtool_pauseparam *pause) |
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226 { |
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227 struct e1000_adapter *adapter = netdev_priv(netdev); |
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228 struct e1000_hw *hw = &adapter->hw; |
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229 |
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230 pause->autoneg = |
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231 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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232 |
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233 if (hw->fc == E1000_FC_RX_PAUSE) |
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234 pause->rx_pause = 1; |
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235 else if (hw->fc == E1000_FC_TX_PAUSE) |
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236 pause->tx_pause = 1; |
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237 else if (hw->fc == E1000_FC_FULL) { |
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238 pause->rx_pause = 1; |
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239 pause->tx_pause = 1; |
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240 } |
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241 } |
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242 |
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243 static int e1000_set_pauseparam(struct net_device *netdev, |
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244 struct ethtool_pauseparam *pause) |
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245 { |
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246 struct e1000_adapter *adapter = netdev_priv(netdev); |
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247 struct e1000_hw *hw = &adapter->hw; |
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248 int retval = 0; |
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249 |
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250 if (adapter->ecdev) |
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251 return -EBUSY; |
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252 |
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253 adapter->fc_autoneg = pause->autoneg; |
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254 |
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255 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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256 msleep(1); |
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257 |
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258 if (pause->rx_pause && pause->tx_pause) |
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259 hw->fc = E1000_FC_FULL; |
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260 else if (pause->rx_pause && !pause->tx_pause) |
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261 hw->fc = E1000_FC_RX_PAUSE; |
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262 else if (!pause->rx_pause && pause->tx_pause) |
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263 hw->fc = E1000_FC_TX_PAUSE; |
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264 else if (!pause->rx_pause && !pause->tx_pause) |
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265 hw->fc = E1000_FC_NONE; |
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266 |
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267 hw->original_fc = hw->fc; |
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268 |
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269 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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270 if (netif_running(adapter->netdev)) { |
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271 e1000_down(adapter); |
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272 e1000_up(adapter); |
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273 } else |
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274 e1000_reset(adapter); |
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275 } else |
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276 retval = ((hw->media_type == e1000_media_type_fiber) ? |
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277 e1000_setup_link(hw) : e1000_force_mac_fc(hw)); |
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278 |
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279 clear_bit(__E1000_RESETTING, &adapter->flags); |
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280 return retval; |
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281 } |
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282 |
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283 static u32 e1000_get_rx_csum(struct net_device *netdev) |
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284 { |
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285 struct e1000_adapter *adapter = netdev_priv(netdev); |
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286 return adapter->rx_csum; |
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287 } |
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288 |
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289 static int e1000_set_rx_csum(struct net_device *netdev, u32 data) |
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290 { |
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291 struct e1000_adapter *adapter = netdev_priv(netdev); |
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292 |
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293 if (adapter->ecdev) |
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294 return -EBUSY; |
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295 |
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296 adapter->rx_csum = data; |
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297 |
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298 if (netif_running(netdev)) |
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299 e1000_reinit_locked(adapter); |
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300 else |
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301 e1000_reset(adapter); |
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302 return 0; |
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303 } |
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304 |
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305 static u32 e1000_get_tx_csum(struct net_device *netdev) |
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306 { |
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307 return (netdev->features & NETIF_F_HW_CSUM) != 0; |
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308 } |
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309 |
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310 static int e1000_set_tx_csum(struct net_device *netdev, u32 data) |
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311 { |
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312 struct e1000_adapter *adapter = netdev_priv(netdev); |
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313 struct e1000_hw *hw = &adapter->hw; |
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314 |
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315 if (hw->mac_type < e1000_82543) { |
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316 if (!data) |
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317 return -EINVAL; |
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318 return 0; |
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319 } |
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320 |
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321 if (data) |
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322 netdev->features |= NETIF_F_HW_CSUM; |
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323 else |
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324 netdev->features &= ~NETIF_F_HW_CSUM; |
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325 |
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326 return 0; |
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327 } |
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328 |
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329 static int e1000_set_tso(struct net_device *netdev, u32 data) |
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330 { |
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331 struct e1000_adapter *adapter = netdev_priv(netdev); |
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332 struct e1000_hw *hw = &adapter->hw; |
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333 |
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334 if ((hw->mac_type < e1000_82544) || |
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335 (hw->mac_type == e1000_82547)) |
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336 return data ? -EINVAL : 0; |
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337 |
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338 if (data) |
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339 netdev->features |= NETIF_F_TSO; |
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340 else |
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341 netdev->features &= ~NETIF_F_TSO; |
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342 |
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343 if (data && (adapter->hw.mac_type > e1000_82547_rev_2)) |
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344 netdev->features |= NETIF_F_TSO6; |
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345 else |
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346 netdev->features &= ~NETIF_F_TSO6; |
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347 |
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348 DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled"); |
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349 adapter->tso_force = true; |
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350 return 0; |
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351 } |
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352 |
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353 static u32 e1000_get_msglevel(struct net_device *netdev) |
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354 { |
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355 struct e1000_adapter *adapter = netdev_priv(netdev); |
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356 return adapter->msg_enable; |
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357 } |
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358 |
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359 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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360 { |
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361 struct e1000_adapter *adapter = netdev_priv(netdev); |
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362 adapter->msg_enable = data; |
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363 } |
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364 |
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365 static int e1000_get_regs_len(struct net_device *netdev) |
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366 { |
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367 #define E1000_REGS_LEN 32 |
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368 return E1000_REGS_LEN * sizeof(u32); |
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369 } |
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370 |
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371 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs, |
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372 void *p) |
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373 { |
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374 struct e1000_adapter *adapter = netdev_priv(netdev); |
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375 struct e1000_hw *hw = &adapter->hw; |
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376 u32 *regs_buff = p; |
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377 u16 phy_data; |
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378 |
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379 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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380 |
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381 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; |
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382 |
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383 regs_buff[0] = er32(CTRL); |
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384 regs_buff[1] = er32(STATUS); |
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385 |
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386 regs_buff[2] = er32(RCTL); |
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387 regs_buff[3] = er32(RDLEN); |
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388 regs_buff[4] = er32(RDH); |
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389 regs_buff[5] = er32(RDT); |
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390 regs_buff[6] = er32(RDTR); |
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391 |
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392 regs_buff[7] = er32(TCTL); |
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393 regs_buff[8] = er32(TDLEN); |
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394 regs_buff[9] = er32(TDH); |
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395 regs_buff[10] = er32(TDT); |
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396 regs_buff[11] = er32(TIDV); |
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397 |
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398 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */ |
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399 if (hw->phy_type == e1000_phy_igp) { |
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400 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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401 IGP01E1000_PHY_AGC_A); |
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402 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & |
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403 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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404 regs_buff[13] = (u32)phy_data; /* cable length */ |
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405 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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406 IGP01E1000_PHY_AGC_B); |
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407 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & |
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408 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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409 regs_buff[14] = (u32)phy_data; /* cable length */ |
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410 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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411 IGP01E1000_PHY_AGC_C); |
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412 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & |
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413 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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414 regs_buff[15] = (u32)phy_data; /* cable length */ |
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415 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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416 IGP01E1000_PHY_AGC_D); |
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417 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & |
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418 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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419 regs_buff[16] = (u32)phy_data; /* cable length */ |
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420 regs_buff[17] = 0; /* extended 10bt distance (not needed) */ |
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421 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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422 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & |
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423 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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424 regs_buff[18] = (u32)phy_data; /* cable polarity */ |
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425 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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426 IGP01E1000_PHY_PCS_INIT_REG); |
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427 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & |
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428 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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429 regs_buff[19] = (u32)phy_data; /* cable polarity */ |
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430 regs_buff[20] = 0; /* polarity correction enabled (always) */ |
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431 regs_buff[22] = 0; /* phy receive errors (unavailable) */ |
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432 regs_buff[23] = regs_buff[18]; /* mdix mode */ |
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433 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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434 } else { |
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435 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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436 regs_buff[13] = (u32)phy_data; /* cable length */ |
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437 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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438 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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439 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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440 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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441 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
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442 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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443 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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444 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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445 /* phy receive errors */ |
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446 regs_buff[22] = adapter->phy_stats.receive_errors; |
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447 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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448 } |
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449 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ |
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450 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); |
|
451 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
|
452 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
|
453 if (hw->mac_type >= e1000_82540 && |
|
454 hw->mac_type < e1000_82571 && |
|
455 hw->media_type == e1000_media_type_copper) { |
|
456 regs_buff[26] = er32(MANC); |
|
457 } |
|
458 } |
|
459 |
|
460 static int e1000_get_eeprom_len(struct net_device *netdev) |
|
461 { |
|
462 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
463 struct e1000_hw *hw = &adapter->hw; |
|
464 |
|
465 return hw->eeprom.word_size * 2; |
|
466 } |
|
467 |
|
468 static int e1000_get_eeprom(struct net_device *netdev, |
|
469 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
470 { |
|
471 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
472 struct e1000_hw *hw = &adapter->hw; |
|
473 u16 *eeprom_buff; |
|
474 int first_word, last_word; |
|
475 int ret_val = 0; |
|
476 u16 i; |
|
477 |
|
478 if (eeprom->len == 0) |
|
479 return -EINVAL; |
|
480 |
|
481 eeprom->magic = hw->vendor_id | (hw->device_id << 16); |
|
482 |
|
483 first_word = eeprom->offset >> 1; |
|
484 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
485 |
|
486 eeprom_buff = kmalloc(sizeof(u16) * |
|
487 (last_word - first_word + 1), GFP_KERNEL); |
|
488 if (!eeprom_buff) |
|
489 return -ENOMEM; |
|
490 |
|
491 if (hw->eeprom.type == e1000_eeprom_spi) |
|
492 ret_val = e1000_read_eeprom(hw, first_word, |
|
493 last_word - first_word + 1, |
|
494 eeprom_buff); |
|
495 else { |
|
496 for (i = 0; i < last_word - first_word + 1; i++) { |
|
497 ret_val = e1000_read_eeprom(hw, first_word + i, 1, |
|
498 &eeprom_buff[i]); |
|
499 if (ret_val) |
|
500 break; |
|
501 } |
|
502 } |
|
503 |
|
504 /* Device's eeprom is always little-endian, word addressable */ |
|
505 for (i = 0; i < last_word - first_word + 1; i++) |
|
506 le16_to_cpus(&eeprom_buff[i]); |
|
507 |
|
508 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), |
|
509 eeprom->len); |
|
510 kfree(eeprom_buff); |
|
511 |
|
512 return ret_val; |
|
513 } |
|
514 |
|
515 static int e1000_set_eeprom(struct net_device *netdev, |
|
516 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
517 { |
|
518 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
519 struct e1000_hw *hw = &adapter->hw; |
|
520 u16 *eeprom_buff; |
|
521 void *ptr; |
|
522 int max_len, first_word, last_word, ret_val = 0; |
|
523 u16 i; |
|
524 |
|
525 if (eeprom->len == 0) |
|
526 return -EOPNOTSUPP; |
|
527 |
|
528 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) |
|
529 return -EFAULT; |
|
530 |
|
531 max_len = hw->eeprom.word_size * 2; |
|
532 |
|
533 first_word = eeprom->offset >> 1; |
|
534 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
535 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
536 if (!eeprom_buff) |
|
537 return -ENOMEM; |
|
538 |
|
539 ptr = (void *)eeprom_buff; |
|
540 |
|
541 if (eeprom->offset & 1) { |
|
542 /* need read/modify/write of first changed EEPROM word */ |
|
543 /* only the second byte of the word is being modified */ |
|
544 ret_val = e1000_read_eeprom(hw, first_word, 1, |
|
545 &eeprom_buff[0]); |
|
546 ptr++; |
|
547 } |
|
548 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { |
|
549 /* need read/modify/write of last changed EEPROM word */ |
|
550 /* only the first byte of the word is being modified */ |
|
551 ret_val = e1000_read_eeprom(hw, last_word, 1, |
|
552 &eeprom_buff[last_word - first_word]); |
|
553 } |
|
554 |
|
555 /* Device's eeprom is always little-endian, word addressable */ |
|
556 for (i = 0; i < last_word - first_word + 1; i++) |
|
557 le16_to_cpus(&eeprom_buff[i]); |
|
558 |
|
559 memcpy(ptr, bytes, eeprom->len); |
|
560 |
|
561 for (i = 0; i < last_word - first_word + 1; i++) |
|
562 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); |
|
563 |
|
564 ret_val = e1000_write_eeprom(hw, first_word, |
|
565 last_word - first_word + 1, eeprom_buff); |
|
566 |
|
567 /* Update the checksum over the first part of the EEPROM if needed |
|
568 * and flush shadow RAM for 82573 conrollers */ |
|
569 if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || |
|
570 (hw->mac_type == e1000_82573))) |
|
571 e1000_update_eeprom_checksum(hw); |
|
572 |
|
573 kfree(eeprom_buff); |
|
574 return ret_val; |
|
575 } |
|
576 |
|
577 static void e1000_get_drvinfo(struct net_device *netdev, |
|
578 struct ethtool_drvinfo *drvinfo) |
|
579 { |
|
580 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
581 struct e1000_hw *hw = &adapter->hw; |
|
582 char firmware_version[32]; |
|
583 u16 eeprom_data; |
|
584 |
|
585 strncpy(drvinfo->driver, e1000_driver_name, 32); |
|
586 strncpy(drvinfo->version, e1000_driver_version, 32); |
|
587 |
|
588 /* EEPROM image version # is reported as firmware version # for |
|
589 * 8257{1|2|3} controllers */ |
|
590 e1000_read_eeprom(hw, 5, 1, &eeprom_data); |
|
591 switch (hw->mac_type) { |
|
592 case e1000_82571: |
|
593 case e1000_82572: |
|
594 case e1000_82573: |
|
595 case e1000_80003es2lan: |
|
596 case e1000_ich8lan: |
|
597 sprintf(firmware_version, "%d.%d-%d", |
|
598 (eeprom_data & 0xF000) >> 12, |
|
599 (eeprom_data & 0x0FF0) >> 4, |
|
600 eeprom_data & 0x000F); |
|
601 break; |
|
602 default: |
|
603 sprintf(firmware_version, "N/A"); |
|
604 } |
|
605 |
|
606 strncpy(drvinfo->fw_version, firmware_version, 32); |
|
607 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); |
|
608 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
609 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
610 } |
|
611 |
|
612 static void e1000_get_ringparam(struct net_device *netdev, |
|
613 struct ethtool_ringparam *ring) |
|
614 { |
|
615 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
616 struct e1000_hw *hw = &adapter->hw; |
|
617 e1000_mac_type mac_type = hw->mac_type; |
|
618 struct e1000_tx_ring *txdr = adapter->tx_ring; |
|
619 struct e1000_rx_ring *rxdr = adapter->rx_ring; |
|
620 |
|
621 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : |
|
622 E1000_MAX_82544_RXD; |
|
623 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : |
|
624 E1000_MAX_82544_TXD; |
|
625 ring->rx_mini_max_pending = 0; |
|
626 ring->rx_jumbo_max_pending = 0; |
|
627 ring->rx_pending = rxdr->count; |
|
628 ring->tx_pending = txdr->count; |
|
629 ring->rx_mini_pending = 0; |
|
630 ring->rx_jumbo_pending = 0; |
|
631 } |
|
632 |
|
633 static int e1000_set_ringparam(struct net_device *netdev, |
|
634 struct ethtool_ringparam *ring) |
|
635 { |
|
636 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
637 struct e1000_hw *hw = &adapter->hw; |
|
638 e1000_mac_type mac_type = hw->mac_type; |
|
639 struct e1000_tx_ring *txdr, *tx_old; |
|
640 struct e1000_rx_ring *rxdr, *rx_old; |
|
641 int i, err; |
|
642 |
|
643 if (adapter->ecdev) |
|
644 return -EBUSY; |
|
645 |
|
646 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
647 return -EINVAL; |
|
648 |
|
649 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
|
650 msleep(1); |
|
651 |
|
652 if (netif_running(adapter->netdev)) |
|
653 e1000_down(adapter); |
|
654 |
|
655 tx_old = adapter->tx_ring; |
|
656 rx_old = adapter->rx_ring; |
|
657 |
|
658 err = -ENOMEM; |
|
659 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL); |
|
660 if (!txdr) |
|
661 goto err_alloc_tx; |
|
662 |
|
663 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL); |
|
664 if (!rxdr) |
|
665 goto err_alloc_rx; |
|
666 |
|
667 adapter->tx_ring = txdr; |
|
668 adapter->rx_ring = rxdr; |
|
669 |
|
670 rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD); |
|
671 rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ? |
|
672 E1000_MAX_RXD : E1000_MAX_82544_RXD)); |
|
673 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
674 |
|
675 txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD); |
|
676 txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ? |
|
677 E1000_MAX_TXD : E1000_MAX_82544_TXD)); |
|
678 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
679 |
|
680 for (i = 0; i < adapter->num_tx_queues; i++) |
|
681 txdr[i].count = txdr->count; |
|
682 for (i = 0; i < adapter->num_rx_queues; i++) |
|
683 rxdr[i].count = rxdr->count; |
|
684 |
|
685 if (netif_running(adapter->netdev)) { |
|
686 /* Try to get new resources before deleting old */ |
|
687 err = e1000_setup_all_rx_resources(adapter); |
|
688 if (err) |
|
689 goto err_setup_rx; |
|
690 err = e1000_setup_all_tx_resources(adapter); |
|
691 if (err) |
|
692 goto err_setup_tx; |
|
693 |
|
694 /* save the new, restore the old in order to free it, |
|
695 * then restore the new back again */ |
|
696 |
|
697 adapter->rx_ring = rx_old; |
|
698 adapter->tx_ring = tx_old; |
|
699 e1000_free_all_rx_resources(adapter); |
|
700 e1000_free_all_tx_resources(adapter); |
|
701 kfree(tx_old); |
|
702 kfree(rx_old); |
|
703 adapter->rx_ring = rxdr; |
|
704 adapter->tx_ring = txdr; |
|
705 err = e1000_up(adapter); |
|
706 if (err) |
|
707 goto err_setup; |
|
708 } |
|
709 |
|
710 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
711 return 0; |
|
712 err_setup_tx: |
|
713 e1000_free_all_rx_resources(adapter); |
|
714 err_setup_rx: |
|
715 adapter->rx_ring = rx_old; |
|
716 adapter->tx_ring = tx_old; |
|
717 kfree(rxdr); |
|
718 err_alloc_rx: |
|
719 kfree(txdr); |
|
720 err_alloc_tx: |
|
721 e1000_up(adapter); |
|
722 err_setup: |
|
723 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
724 return err; |
|
725 } |
|
726 |
|
727 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg, |
|
728 u32 mask, u32 write) |
|
729 { |
|
730 struct e1000_hw *hw = &adapter->hw; |
|
731 static const u32 test[] = |
|
732 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
733 u8 __iomem *address = hw->hw_addr + reg; |
|
734 u32 read; |
|
735 int i; |
|
736 |
|
737 for (i = 0; i < ARRAY_SIZE(test); i++) { |
|
738 writel(write & test[i], address); |
|
739 read = readl(address); |
|
740 if (read != (write & test[i] & mask)) { |
|
741 DPRINTK(DRV, ERR, "pattern test reg %04X failed: " |
|
742 "got 0x%08X expected 0x%08X\n", |
|
743 reg, read, (write & test[i] & mask)); |
|
744 *data = reg; |
|
745 return true; |
|
746 } |
|
747 } |
|
748 return false; |
|
749 } |
|
750 |
|
751 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg, |
|
752 u32 mask, u32 write) |
|
753 { |
|
754 struct e1000_hw *hw = &adapter->hw; |
|
755 u8 __iomem *address = hw->hw_addr + reg; |
|
756 u32 read; |
|
757 |
|
758 writel(write & mask, address); |
|
759 read = readl(address); |
|
760 if ((read & mask) != (write & mask)) { |
|
761 DPRINTK(DRV, ERR, "set/check reg %04X test failed: " |
|
762 "got 0x%08X expected 0x%08X\n", |
|
763 reg, (read & mask), (write & mask)); |
|
764 *data = reg; |
|
765 return true; |
|
766 } |
|
767 return false; |
|
768 } |
|
769 |
|
770 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
771 do { \ |
|
772 if (reg_pattern_test(adapter, data, \ |
|
773 (hw->mac_type >= e1000_82543) \ |
|
774 ? E1000_##reg : E1000_82542_##reg, \ |
|
775 mask, write)) \ |
|
776 return 1; \ |
|
777 } while (0) |
|
778 |
|
779 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
780 do { \ |
|
781 if (reg_set_and_check(adapter, data, \ |
|
782 (hw->mac_type >= e1000_82543) \ |
|
783 ? E1000_##reg : E1000_82542_##reg, \ |
|
784 mask, write)) \ |
|
785 return 1; \ |
|
786 } while (0) |
|
787 |
|
788 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
789 { |
|
790 u32 value, before, after; |
|
791 u32 i, toggle; |
|
792 struct e1000_hw *hw = &adapter->hw; |
|
793 |
|
794 /* The status register is Read Only, so a write should fail. |
|
795 * Some bits that get toggled are ignored. |
|
796 */ |
|
797 switch (hw->mac_type) { |
|
798 /* there are several bits on newer hardware that are r/w */ |
|
799 case e1000_82571: |
|
800 case e1000_82572: |
|
801 case e1000_80003es2lan: |
|
802 toggle = 0x7FFFF3FF; |
|
803 break; |
|
804 case e1000_82573: |
|
805 case e1000_ich8lan: |
|
806 toggle = 0x7FFFF033; |
|
807 break; |
|
808 default: |
|
809 toggle = 0xFFFFF833; |
|
810 break; |
|
811 } |
|
812 |
|
813 before = er32(STATUS); |
|
814 value = (er32(STATUS) & toggle); |
|
815 ew32(STATUS, toggle); |
|
816 after = er32(STATUS) & toggle; |
|
817 if (value != after) { |
|
818 DPRINTK(DRV, ERR, "failed STATUS register test got: " |
|
819 "0x%08X expected: 0x%08X\n", after, value); |
|
820 *data = 1; |
|
821 return 1; |
|
822 } |
|
823 /* restore previous status */ |
|
824 ew32(STATUS, before); |
|
825 |
|
826 if (hw->mac_type != e1000_ich8lan) { |
|
827 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
828 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
829 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
830 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); |
|
831 } |
|
832 |
|
833 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
834 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
835 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); |
|
836 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); |
|
837 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); |
|
838 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
839 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
840 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
841 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
842 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); |
|
843 |
|
844 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); |
|
845 |
|
846 before = (hw->mac_type == e1000_ich8lan ? |
|
847 0x06C3B33E : 0x06DFB3FE); |
|
848 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); |
|
849 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); |
|
850 |
|
851 if (hw->mac_type >= e1000_82543) { |
|
852 |
|
853 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF); |
|
854 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
855 if (hw->mac_type != e1000_ich8lan) |
|
856 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); |
|
857 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
858 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); |
|
859 value = (hw->mac_type == e1000_ich8lan ? |
|
860 E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES); |
|
861 for (i = 0; i < value; i++) { |
|
862 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, |
|
863 0xFFFFFFFF); |
|
864 } |
|
865 |
|
866 } else { |
|
867 |
|
868 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); |
|
869 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
870 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); |
|
871 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
872 |
|
873 } |
|
874 |
|
875 value = (hw->mac_type == e1000_ich8lan ? |
|
876 E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE); |
|
877 for (i = 0; i < value; i++) |
|
878 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); |
|
879 |
|
880 *data = 0; |
|
881 return 0; |
|
882 } |
|
883 |
|
884 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
885 { |
|
886 struct e1000_hw *hw = &adapter->hw; |
|
887 u16 temp; |
|
888 u16 checksum = 0; |
|
889 u16 i; |
|
890 |
|
891 *data = 0; |
|
892 /* Read and add up the contents of the EEPROM */ |
|
893 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { |
|
894 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) { |
|
895 *data = 1; |
|
896 break; |
|
897 } |
|
898 checksum += temp; |
|
899 } |
|
900 |
|
901 /* If Checksum is not Correct return error else test passed */ |
|
902 if ((checksum != (u16)EEPROM_SUM) && !(*data)) |
|
903 *data = 2; |
|
904 |
|
905 return *data; |
|
906 } |
|
907 |
|
908 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
909 { |
|
910 struct net_device *netdev = (struct net_device *)data; |
|
911 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
912 struct e1000_hw *hw = &adapter->hw; |
|
913 |
|
914 adapter->test_icr |= er32(ICR); |
|
915 |
|
916 return IRQ_HANDLED; |
|
917 } |
|
918 |
|
919 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
920 { |
|
921 struct net_device *netdev = adapter->netdev; |
|
922 u32 mask, i = 0; |
|
923 bool shared_int = true; |
|
924 u32 irq = adapter->pdev->irq; |
|
925 struct e1000_hw *hw = &adapter->hw; |
|
926 |
|
927 *data = 0; |
|
928 |
|
929 /* NOTE: we don't test MSI interrupts here, yet */ |
|
930 /* Hook up test interrupt handler just for this test */ |
|
931 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
932 netdev)) |
|
933 shared_int = false; |
|
934 else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED, |
|
935 netdev->name, netdev)) { |
|
936 *data = 1; |
|
937 return -1; |
|
938 } |
|
939 DPRINTK(HW, INFO, "testing %s interrupt\n", |
|
940 (shared_int ? "shared" : "unshared")); |
|
941 |
|
942 /* Disable all the interrupts */ |
|
943 ew32(IMC, 0xFFFFFFFF); |
|
944 msleep(10); |
|
945 |
|
946 /* Test each interrupt */ |
|
947 for (; i < 10; i++) { |
|
948 |
|
949 if (hw->mac_type == e1000_ich8lan && i == 8) |
|
950 continue; |
|
951 |
|
952 /* Interrupt to test */ |
|
953 mask = 1 << i; |
|
954 |
|
955 if (!shared_int) { |
|
956 /* Disable the interrupt to be reported in |
|
957 * the cause register and then force the same |
|
958 * interrupt and see if one gets posted. If |
|
959 * an interrupt was posted to the bus, the |
|
960 * test failed. |
|
961 */ |
|
962 adapter->test_icr = 0; |
|
963 ew32(IMC, mask); |
|
964 ew32(ICS, mask); |
|
965 msleep(10); |
|
966 |
|
967 if (adapter->test_icr & mask) { |
|
968 *data = 3; |
|
969 break; |
|
970 } |
|
971 } |
|
972 |
|
973 /* Enable the interrupt to be reported in |
|
974 * the cause register and then force the same |
|
975 * interrupt and see if one gets posted. If |
|
976 * an interrupt was not posted to the bus, the |
|
977 * test failed. |
|
978 */ |
|
979 adapter->test_icr = 0; |
|
980 ew32(IMS, mask); |
|
981 ew32(ICS, mask); |
|
982 msleep(10); |
|
983 |
|
984 if (!(adapter->test_icr & mask)) { |
|
985 *data = 4; |
|
986 break; |
|
987 } |
|
988 |
|
989 if (!shared_int) { |
|
990 /* Disable the other interrupts to be reported in |
|
991 * the cause register and then force the other |
|
992 * interrupts and see if any get posted. If |
|
993 * an interrupt was posted to the bus, the |
|
994 * test failed. |
|
995 */ |
|
996 adapter->test_icr = 0; |
|
997 ew32(IMC, ~mask & 0x00007FFF); |
|
998 ew32(ICS, ~mask & 0x00007FFF); |
|
999 msleep(10); |
|
1000 |
|
1001 if (adapter->test_icr) { |
|
1002 *data = 5; |
|
1003 break; |
|
1004 } |
|
1005 } |
|
1006 } |
|
1007 |
|
1008 /* Disable all the interrupts */ |
|
1009 ew32(IMC, 0xFFFFFFFF); |
|
1010 msleep(10); |
|
1011 |
|
1012 /* Unhook test interrupt handler */ |
|
1013 free_irq(irq, netdev); |
|
1014 |
|
1015 return *data; |
|
1016 } |
|
1017 |
|
1018 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
1019 { |
|
1020 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1021 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1022 struct pci_dev *pdev = adapter->pdev; |
|
1023 int i; |
|
1024 |
|
1025 if (txdr->desc && txdr->buffer_info) { |
|
1026 for (i = 0; i < txdr->count; i++) { |
|
1027 if (txdr->buffer_info[i].dma) |
|
1028 pci_unmap_single(pdev, txdr->buffer_info[i].dma, |
|
1029 txdr->buffer_info[i].length, |
|
1030 PCI_DMA_TODEVICE); |
|
1031 if (txdr->buffer_info[i].skb) |
|
1032 dev_kfree_skb(txdr->buffer_info[i].skb); |
|
1033 } |
|
1034 } |
|
1035 |
|
1036 if (rxdr->desc && rxdr->buffer_info) { |
|
1037 for (i = 0; i < rxdr->count; i++) { |
|
1038 if (rxdr->buffer_info[i].dma) |
|
1039 pci_unmap_single(pdev, rxdr->buffer_info[i].dma, |
|
1040 rxdr->buffer_info[i].length, |
|
1041 PCI_DMA_FROMDEVICE); |
|
1042 if (rxdr->buffer_info[i].skb) |
|
1043 dev_kfree_skb(rxdr->buffer_info[i].skb); |
|
1044 } |
|
1045 } |
|
1046 |
|
1047 if (txdr->desc) { |
|
1048 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma); |
|
1049 txdr->desc = NULL; |
|
1050 } |
|
1051 if (rxdr->desc) { |
|
1052 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma); |
|
1053 rxdr->desc = NULL; |
|
1054 } |
|
1055 |
|
1056 kfree(txdr->buffer_info); |
|
1057 txdr->buffer_info = NULL; |
|
1058 kfree(rxdr->buffer_info); |
|
1059 rxdr->buffer_info = NULL; |
|
1060 |
|
1061 return; |
|
1062 } |
|
1063 |
|
1064 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1065 { |
|
1066 struct e1000_hw *hw = &adapter->hw; |
|
1067 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1068 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1069 struct pci_dev *pdev = adapter->pdev; |
|
1070 u32 rctl; |
|
1071 int i, ret_val; |
|
1072 |
|
1073 /* Setup Tx descriptor ring and Tx buffers */ |
|
1074 |
|
1075 if (!txdr->count) |
|
1076 txdr->count = E1000_DEFAULT_TXD; |
|
1077 |
|
1078 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer), |
|
1079 GFP_KERNEL); |
|
1080 if (!txdr->buffer_info) { |
|
1081 ret_val = 1; |
|
1082 goto err_nomem; |
|
1083 } |
|
1084 |
|
1085 txdr->size = txdr->count * sizeof(struct e1000_tx_desc); |
|
1086 txdr->size = ALIGN(txdr->size, 4096); |
|
1087 txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); |
|
1088 if (!txdr->desc) { |
|
1089 ret_val = 2; |
|
1090 goto err_nomem; |
|
1091 } |
|
1092 memset(txdr->desc, 0, txdr->size); |
|
1093 txdr->next_to_use = txdr->next_to_clean = 0; |
|
1094 |
|
1095 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF)); |
|
1096 ew32(TDBAH, ((u64)txdr->dma >> 32)); |
|
1097 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc)); |
|
1098 ew32(TDH, 0); |
|
1099 ew32(TDT, 0); |
|
1100 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | |
|
1101 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1102 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1103 |
|
1104 for (i = 0; i < txdr->count; i++) { |
|
1105 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); |
|
1106 struct sk_buff *skb; |
|
1107 unsigned int size = 1024; |
|
1108 |
|
1109 skb = alloc_skb(size, GFP_KERNEL); |
|
1110 if (!skb) { |
|
1111 ret_val = 3; |
|
1112 goto err_nomem; |
|
1113 } |
|
1114 skb_put(skb, size); |
|
1115 txdr->buffer_info[i].skb = skb; |
|
1116 txdr->buffer_info[i].length = skb->len; |
|
1117 txdr->buffer_info[i].dma = |
|
1118 pci_map_single(pdev, skb->data, skb->len, |
|
1119 PCI_DMA_TODEVICE); |
|
1120 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); |
|
1121 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1122 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1123 E1000_TXD_CMD_IFCS | |
|
1124 E1000_TXD_CMD_RPS); |
|
1125 tx_desc->upper.data = 0; |
|
1126 } |
|
1127 |
|
1128 /* Setup Rx descriptor ring and Rx buffers */ |
|
1129 |
|
1130 if (!rxdr->count) |
|
1131 rxdr->count = E1000_DEFAULT_RXD; |
|
1132 |
|
1133 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer), |
|
1134 GFP_KERNEL); |
|
1135 if (!rxdr->buffer_info) { |
|
1136 ret_val = 4; |
|
1137 goto err_nomem; |
|
1138 } |
|
1139 |
|
1140 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); |
|
1141 rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma); |
|
1142 if (!rxdr->desc) { |
|
1143 ret_val = 5; |
|
1144 goto err_nomem; |
|
1145 } |
|
1146 memset(rxdr->desc, 0, rxdr->size); |
|
1147 rxdr->next_to_use = rxdr->next_to_clean = 0; |
|
1148 |
|
1149 rctl = er32(RCTL); |
|
1150 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1151 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF)); |
|
1152 ew32(RDBAH, ((u64)rxdr->dma >> 32)); |
|
1153 ew32(RDLEN, rxdr->size); |
|
1154 ew32(RDH, 0); |
|
1155 ew32(RDT, 0); |
|
1156 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1157 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1158 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1159 ew32(RCTL, rctl); |
|
1160 |
|
1161 for (i = 0; i < rxdr->count; i++) { |
|
1162 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); |
|
1163 struct sk_buff *skb; |
|
1164 |
|
1165 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1166 if (!skb) { |
|
1167 ret_val = 6; |
|
1168 goto err_nomem; |
|
1169 } |
|
1170 skb_reserve(skb, NET_IP_ALIGN); |
|
1171 rxdr->buffer_info[i].skb = skb; |
|
1172 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; |
|
1173 rxdr->buffer_info[i].dma = |
|
1174 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048, |
|
1175 PCI_DMA_FROMDEVICE); |
|
1176 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); |
|
1177 memset(skb->data, 0x00, skb->len); |
|
1178 } |
|
1179 |
|
1180 return 0; |
|
1181 |
|
1182 err_nomem: |
|
1183 e1000_free_desc_rings(adapter); |
|
1184 return ret_val; |
|
1185 } |
|
1186 |
|
1187 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1188 { |
|
1189 struct e1000_hw *hw = &adapter->hw; |
|
1190 |
|
1191 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1192 e1000_write_phy_reg(hw, 29, 0x001F); |
|
1193 e1000_write_phy_reg(hw, 30, 0x8FFC); |
|
1194 e1000_write_phy_reg(hw, 29, 0x001A); |
|
1195 e1000_write_phy_reg(hw, 30, 0x8FF0); |
|
1196 } |
|
1197 |
|
1198 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) |
|
1199 { |
|
1200 struct e1000_hw *hw = &adapter->hw; |
|
1201 u16 phy_reg; |
|
1202 |
|
1203 /* Because we reset the PHY above, we need to re-force TX_CLK in the |
|
1204 * Extended PHY Specific Control Register to 25MHz clock. This |
|
1205 * value defaults back to a 2.5MHz clock when the PHY is reset. |
|
1206 */ |
|
1207 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1208 phy_reg |= M88E1000_EPSCR_TX_CLK_25; |
|
1209 e1000_write_phy_reg(hw, |
|
1210 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); |
|
1211 |
|
1212 /* In addition, because of the s/w reset above, we need to enable |
|
1213 * CRS on TX. This must be set for both full and half duplex |
|
1214 * operation. |
|
1215 */ |
|
1216 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1217 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; |
|
1218 e1000_write_phy_reg(hw, |
|
1219 M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1220 } |
|
1221 |
|
1222 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) |
|
1223 { |
|
1224 struct e1000_hw *hw = &adapter->hw; |
|
1225 u32 ctrl_reg; |
|
1226 u16 phy_reg; |
|
1227 |
|
1228 /* Setup the Device Control Register for PHY loopback test. */ |
|
1229 |
|
1230 ctrl_reg = er32(CTRL); |
|
1231 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ |
|
1232 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1233 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1234 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ |
|
1235 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1236 |
|
1237 ew32(CTRL, ctrl_reg); |
|
1238 |
|
1239 /* Read the PHY Specific Control Register (0x10) */ |
|
1240 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1241 |
|
1242 /* Clear Auto-Crossover bits in PHY Specific Control Register |
|
1243 * (bits 6:5). |
|
1244 */ |
|
1245 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; |
|
1246 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1247 |
|
1248 /* Perform software reset on the PHY */ |
|
1249 e1000_phy_reset(hw); |
|
1250 |
|
1251 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1252 e1000_phy_reset_clk_and_crs(adapter); |
|
1253 |
|
1254 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100); |
|
1255 |
|
1256 /* Wait for reset to complete. */ |
|
1257 udelay(500); |
|
1258 |
|
1259 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1260 e1000_phy_reset_clk_and_crs(adapter); |
|
1261 |
|
1262 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1263 e1000_phy_disable_receiver(adapter); |
|
1264 |
|
1265 /* Set the loopback bit in the PHY control register. */ |
|
1266 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1267 phy_reg |= MII_CR_LOOPBACK; |
|
1268 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1269 |
|
1270 /* Setup TX_CLK and TX_CRS one more time. */ |
|
1271 e1000_phy_reset_clk_and_crs(adapter); |
|
1272 |
|
1273 /* Check Phy Configuration */ |
|
1274 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1275 if (phy_reg != 0x4100) |
|
1276 return 9; |
|
1277 |
|
1278 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1279 if (phy_reg != 0x0070) |
|
1280 return 10; |
|
1281 |
|
1282 e1000_read_phy_reg(hw, 29, &phy_reg); |
|
1283 if (phy_reg != 0x001A) |
|
1284 return 11; |
|
1285 |
|
1286 return 0; |
|
1287 } |
|
1288 |
|
1289 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1290 { |
|
1291 struct e1000_hw *hw = &adapter->hw; |
|
1292 u32 ctrl_reg = 0; |
|
1293 u32 stat_reg = 0; |
|
1294 |
|
1295 hw->autoneg = false; |
|
1296 |
|
1297 if (hw->phy_type == e1000_phy_m88) { |
|
1298 /* Auto-MDI/MDIX Off */ |
|
1299 e1000_write_phy_reg(hw, |
|
1300 M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1301 /* reset to update Auto-MDI/MDIX */ |
|
1302 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140); |
|
1303 /* autoneg off */ |
|
1304 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140); |
|
1305 } else if (hw->phy_type == e1000_phy_gg82563) |
|
1306 e1000_write_phy_reg(hw, |
|
1307 GG82563_PHY_KMRN_MODE_CTRL, |
|
1308 0x1CC); |
|
1309 |
|
1310 ctrl_reg = er32(CTRL); |
|
1311 |
|
1312 if (hw->phy_type == e1000_phy_ife) { |
|
1313 /* force 100, set loopback */ |
|
1314 e1000_write_phy_reg(hw, PHY_CTRL, 0x6100); |
|
1315 |
|
1316 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1317 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1318 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1319 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1320 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1321 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1322 } else { |
|
1323 /* force 1000, set loopback */ |
|
1324 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140); |
|
1325 |
|
1326 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1327 ctrl_reg = er32(CTRL); |
|
1328 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1329 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1330 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1331 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1332 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1333 } |
|
1334 |
|
1335 if (hw->media_type == e1000_media_type_copper && |
|
1336 hw->phy_type == e1000_phy_m88) |
|
1337 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1338 else { |
|
1339 /* Set the ILOS bit on the fiber Nic is half |
|
1340 * duplex link is detected. */ |
|
1341 stat_reg = er32(STATUS); |
|
1342 if ((stat_reg & E1000_STATUS_FD) == 0) |
|
1343 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1344 } |
|
1345 |
|
1346 ew32(CTRL, ctrl_reg); |
|
1347 |
|
1348 /* Disable the receiver on the PHY so when a cable is plugged in, the |
|
1349 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1350 */ |
|
1351 if (hw->phy_type == e1000_phy_m88) |
|
1352 e1000_phy_disable_receiver(adapter); |
|
1353 |
|
1354 udelay(500); |
|
1355 |
|
1356 return 0; |
|
1357 } |
|
1358 |
|
1359 static int e1000_set_phy_loopback(struct e1000_adapter *adapter) |
|
1360 { |
|
1361 struct e1000_hw *hw = &adapter->hw; |
|
1362 u16 phy_reg = 0; |
|
1363 u16 count = 0; |
|
1364 |
|
1365 switch (hw->mac_type) { |
|
1366 case e1000_82543: |
|
1367 if (hw->media_type == e1000_media_type_copper) { |
|
1368 /* Attempt to setup Loopback mode on Non-integrated PHY. |
|
1369 * Some PHY registers get corrupted at random, so |
|
1370 * attempt this 10 times. |
|
1371 */ |
|
1372 while (e1000_nonintegrated_phy_loopback(adapter) && |
|
1373 count++ < 10); |
|
1374 if (count < 11) |
|
1375 return 0; |
|
1376 } |
|
1377 break; |
|
1378 |
|
1379 case e1000_82544: |
|
1380 case e1000_82540: |
|
1381 case e1000_82545: |
|
1382 case e1000_82545_rev_3: |
|
1383 case e1000_82546: |
|
1384 case e1000_82546_rev_3: |
|
1385 case e1000_82541: |
|
1386 case e1000_82541_rev_2: |
|
1387 case e1000_82547: |
|
1388 case e1000_82547_rev_2: |
|
1389 case e1000_82571: |
|
1390 case e1000_82572: |
|
1391 case e1000_82573: |
|
1392 case e1000_80003es2lan: |
|
1393 case e1000_ich8lan: |
|
1394 return e1000_integrated_phy_loopback(adapter); |
|
1395 break; |
|
1396 |
|
1397 default: |
|
1398 /* Default PHY loopback work is to read the MII |
|
1399 * control register and assert bit 14 (loopback mode). |
|
1400 */ |
|
1401 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1402 phy_reg |= MII_CR_LOOPBACK; |
|
1403 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1404 return 0; |
|
1405 break; |
|
1406 } |
|
1407 |
|
1408 return 8; |
|
1409 } |
|
1410 |
|
1411 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1412 { |
|
1413 struct e1000_hw *hw = &adapter->hw; |
|
1414 u32 rctl; |
|
1415 |
|
1416 if (hw->media_type == e1000_media_type_fiber || |
|
1417 hw->media_type == e1000_media_type_internal_serdes) { |
|
1418 switch (hw->mac_type) { |
|
1419 case e1000_82545: |
|
1420 case e1000_82546: |
|
1421 case e1000_82545_rev_3: |
|
1422 case e1000_82546_rev_3: |
|
1423 return e1000_set_phy_loopback(adapter); |
|
1424 break; |
|
1425 case e1000_82571: |
|
1426 case e1000_82572: |
|
1427 #define E1000_SERDES_LB_ON 0x410 |
|
1428 e1000_set_phy_loopback(adapter); |
|
1429 ew32(SCTL, E1000_SERDES_LB_ON); |
|
1430 msleep(10); |
|
1431 return 0; |
|
1432 break; |
|
1433 default: |
|
1434 rctl = er32(RCTL); |
|
1435 rctl |= E1000_RCTL_LBM_TCVR; |
|
1436 ew32(RCTL, rctl); |
|
1437 return 0; |
|
1438 } |
|
1439 } else if (hw->media_type == e1000_media_type_copper) |
|
1440 return e1000_set_phy_loopback(adapter); |
|
1441 |
|
1442 return 7; |
|
1443 } |
|
1444 |
|
1445 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1446 { |
|
1447 struct e1000_hw *hw = &adapter->hw; |
|
1448 u32 rctl; |
|
1449 u16 phy_reg; |
|
1450 |
|
1451 rctl = er32(RCTL); |
|
1452 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1453 ew32(RCTL, rctl); |
|
1454 |
|
1455 switch (hw->mac_type) { |
|
1456 case e1000_82571: |
|
1457 case e1000_82572: |
|
1458 if (hw->media_type == e1000_media_type_fiber || |
|
1459 hw->media_type == e1000_media_type_internal_serdes) { |
|
1460 #define E1000_SERDES_LB_OFF 0x400 |
|
1461 ew32(SCTL, E1000_SERDES_LB_OFF); |
|
1462 msleep(10); |
|
1463 break; |
|
1464 } |
|
1465 /* Fall Through */ |
|
1466 case e1000_82545: |
|
1467 case e1000_82546: |
|
1468 case e1000_82545_rev_3: |
|
1469 case e1000_82546_rev_3: |
|
1470 default: |
|
1471 hw->autoneg = true; |
|
1472 if (hw->phy_type == e1000_phy_gg82563) |
|
1473 e1000_write_phy_reg(hw, |
|
1474 GG82563_PHY_KMRN_MODE_CTRL, |
|
1475 0x180); |
|
1476 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1477 if (phy_reg & MII_CR_LOOPBACK) { |
|
1478 phy_reg &= ~MII_CR_LOOPBACK; |
|
1479 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1480 e1000_phy_reset(hw); |
|
1481 } |
|
1482 break; |
|
1483 } |
|
1484 } |
|
1485 |
|
1486 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1487 unsigned int frame_size) |
|
1488 { |
|
1489 memset(skb->data, 0xFF, frame_size); |
|
1490 frame_size &= ~1; |
|
1491 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1492 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1493 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1494 } |
|
1495 |
|
1496 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1497 unsigned int frame_size) |
|
1498 { |
|
1499 frame_size &= ~1; |
|
1500 if (*(skb->data + 3) == 0xFF) { |
|
1501 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1502 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { |
|
1503 return 0; |
|
1504 } |
|
1505 } |
|
1506 return 13; |
|
1507 } |
|
1508 |
|
1509 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1510 { |
|
1511 struct e1000_hw *hw = &adapter->hw; |
|
1512 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1513 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1514 struct pci_dev *pdev = adapter->pdev; |
|
1515 int i, j, k, l, lc, good_cnt, ret_val=0; |
|
1516 unsigned long time; |
|
1517 |
|
1518 ew32(RDT, rxdr->count - 1); |
|
1519 |
|
1520 /* Calculate the loop count based on the largest descriptor ring |
|
1521 * The idea is to wrap the largest ring a number of times using 64 |
|
1522 * send/receive pairs during each loop |
|
1523 */ |
|
1524 |
|
1525 if (rxdr->count <= txdr->count) |
|
1526 lc = ((txdr->count / 64) * 2) + 1; |
|
1527 else |
|
1528 lc = ((rxdr->count / 64) * 2) + 1; |
|
1529 |
|
1530 k = l = 0; |
|
1531 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1532 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1533 e1000_create_lbtest_frame(txdr->buffer_info[i].skb, |
|
1534 1024); |
|
1535 pci_dma_sync_single_for_device(pdev, |
|
1536 txdr->buffer_info[k].dma, |
|
1537 txdr->buffer_info[k].length, |
|
1538 PCI_DMA_TODEVICE); |
|
1539 if (unlikely(++k == txdr->count)) k = 0; |
|
1540 } |
|
1541 ew32(TDT, k); |
|
1542 msleep(200); |
|
1543 time = jiffies; /* set the start time for the receive */ |
|
1544 good_cnt = 0; |
|
1545 do { /* receive the sent packets */ |
|
1546 pci_dma_sync_single_for_cpu(pdev, |
|
1547 rxdr->buffer_info[l].dma, |
|
1548 rxdr->buffer_info[l].length, |
|
1549 PCI_DMA_FROMDEVICE); |
|
1550 |
|
1551 ret_val = e1000_check_lbtest_frame( |
|
1552 rxdr->buffer_info[l].skb, |
|
1553 1024); |
|
1554 if (!ret_val) |
|
1555 good_cnt++; |
|
1556 if (unlikely(++l == rxdr->count)) l = 0; |
|
1557 /* time + 20 msecs (200 msecs on 2.4) is more than |
|
1558 * enough time to complete the receives, if it's |
|
1559 * exceeded, break and error off |
|
1560 */ |
|
1561 } while (good_cnt < 64 && jiffies < (time + 20)); |
|
1562 if (good_cnt != 64) { |
|
1563 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1564 break; |
|
1565 } |
|
1566 if (jiffies >= (time + 2)) { |
|
1567 ret_val = 14; /* error code for time out error */ |
|
1568 break; |
|
1569 } |
|
1570 } /* end loop count loop */ |
|
1571 return ret_val; |
|
1572 } |
|
1573 |
|
1574 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1575 { |
|
1576 struct e1000_hw *hw = &adapter->hw; |
|
1577 |
|
1578 /* PHY loopback cannot be performed if SoL/IDER |
|
1579 * sessions are active */ |
|
1580 if (e1000_check_phy_reset_block(hw)) { |
|
1581 DPRINTK(DRV, ERR, "Cannot do PHY loopback test " |
|
1582 "when SoL/IDER is active.\n"); |
|
1583 *data = 0; |
|
1584 goto out; |
|
1585 } |
|
1586 |
|
1587 *data = e1000_setup_desc_rings(adapter); |
|
1588 if (*data) |
|
1589 goto out; |
|
1590 *data = e1000_setup_loopback_test(adapter); |
|
1591 if (*data) |
|
1592 goto err_loopback; |
|
1593 *data = e1000_run_loopback_test(adapter); |
|
1594 e1000_loopback_cleanup(adapter); |
|
1595 |
|
1596 err_loopback: |
|
1597 e1000_free_desc_rings(adapter); |
|
1598 out: |
|
1599 return *data; |
|
1600 } |
|
1601 |
|
1602 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1603 { |
|
1604 struct e1000_hw *hw = &adapter->hw; |
|
1605 *data = 0; |
|
1606 if (hw->media_type == e1000_media_type_internal_serdes) { |
|
1607 int i = 0; |
|
1608 hw->serdes_link_down = true; |
|
1609 |
|
1610 /* On some blade server designs, link establishment |
|
1611 * could take as long as 2-3 minutes */ |
|
1612 do { |
|
1613 e1000_check_for_link(hw); |
|
1614 if (!hw->serdes_link_down) |
|
1615 return *data; |
|
1616 msleep(20); |
|
1617 } while (i++ < 3750); |
|
1618 |
|
1619 *data = 1; |
|
1620 } else { |
|
1621 e1000_check_for_link(hw); |
|
1622 if (hw->autoneg) /* if auto_neg is set wait for it */ |
|
1623 msleep(4000); |
|
1624 |
|
1625 if (!(er32(STATUS) & E1000_STATUS_LU)) { |
|
1626 *data = 1; |
|
1627 } |
|
1628 } |
|
1629 return *data; |
|
1630 } |
|
1631 |
|
1632 static int e1000_get_sset_count(struct net_device *netdev, int sset) |
|
1633 { |
|
1634 switch (sset) { |
|
1635 case ETH_SS_TEST: |
|
1636 return E1000_TEST_LEN; |
|
1637 case ETH_SS_STATS: |
|
1638 return E1000_STATS_LEN; |
|
1639 default: |
|
1640 return -EOPNOTSUPP; |
|
1641 } |
|
1642 } |
|
1643 |
|
1644 static void e1000_diag_test(struct net_device *netdev, |
|
1645 struct ethtool_test *eth_test, u64 *data) |
|
1646 { |
|
1647 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1648 struct e1000_hw *hw = &adapter->hw; |
|
1649 bool if_running; |
|
1650 |
|
1651 if (adapter->ecdev) |
|
1652 return; |
|
1653 |
|
1654 if_running = netif_running(netdev); |
|
1655 |
|
1656 set_bit(__E1000_TESTING, &adapter->flags); |
|
1657 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1658 /* Offline tests */ |
|
1659 |
|
1660 /* save speed, duplex, autoneg settings */ |
|
1661 u16 autoneg_advertised = hw->autoneg_advertised; |
|
1662 u8 forced_speed_duplex = hw->forced_speed_duplex; |
|
1663 u8 autoneg = hw->autoneg; |
|
1664 |
|
1665 DPRINTK(HW, INFO, "offline testing starting\n"); |
|
1666 |
|
1667 /* Link test performed before hardware reset so autoneg doesn't |
|
1668 * interfere with test result */ |
|
1669 if (e1000_link_test(adapter, &data[4])) |
|
1670 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1671 |
|
1672 if (if_running) |
|
1673 /* indicate we're in test mode */ |
|
1674 dev_close(netdev); |
|
1675 else |
|
1676 e1000_reset(adapter); |
|
1677 |
|
1678 if (e1000_reg_test(adapter, &data[0])) |
|
1679 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1680 |
|
1681 e1000_reset(adapter); |
|
1682 if (e1000_eeprom_test(adapter, &data[1])) |
|
1683 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1684 |
|
1685 e1000_reset(adapter); |
|
1686 if (e1000_intr_test(adapter, &data[2])) |
|
1687 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1688 |
|
1689 e1000_reset(adapter); |
|
1690 /* make sure the phy is powered up */ |
|
1691 e1000_power_up_phy(adapter); |
|
1692 if (e1000_loopback_test(adapter, &data[3])) |
|
1693 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1694 |
|
1695 /* restore speed, duplex, autoneg settings */ |
|
1696 hw->autoneg_advertised = autoneg_advertised; |
|
1697 hw->forced_speed_duplex = forced_speed_duplex; |
|
1698 hw->autoneg = autoneg; |
|
1699 |
|
1700 e1000_reset(adapter); |
|
1701 clear_bit(__E1000_TESTING, &adapter->flags); |
|
1702 if (if_running) |
|
1703 dev_open(netdev); |
|
1704 } else { |
|
1705 DPRINTK(HW, INFO, "online testing starting\n"); |
|
1706 /* Online tests */ |
|
1707 if (e1000_link_test(adapter, &data[4])) |
|
1708 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1709 |
|
1710 /* Online tests aren't run; pass by default */ |
|
1711 data[0] = 0; |
|
1712 data[1] = 0; |
|
1713 data[2] = 0; |
|
1714 data[3] = 0; |
|
1715 |
|
1716 clear_bit(__E1000_TESTING, &adapter->flags); |
|
1717 } |
|
1718 msleep_interruptible(4 * 1000); |
|
1719 } |
|
1720 |
|
1721 static int e1000_wol_exclusion(struct e1000_adapter *adapter, |
|
1722 struct ethtool_wolinfo *wol) |
|
1723 { |
|
1724 struct e1000_hw *hw = &adapter->hw; |
|
1725 int retval = 1; /* fail by default */ |
|
1726 |
|
1727 switch (hw->device_id) { |
|
1728 case E1000_DEV_ID_82542: |
|
1729 case E1000_DEV_ID_82543GC_FIBER: |
|
1730 case E1000_DEV_ID_82543GC_COPPER: |
|
1731 case E1000_DEV_ID_82544EI_FIBER: |
|
1732 case E1000_DEV_ID_82546EB_QUAD_COPPER: |
|
1733 case E1000_DEV_ID_82545EM_FIBER: |
|
1734 case E1000_DEV_ID_82545EM_COPPER: |
|
1735 case E1000_DEV_ID_82546GB_QUAD_COPPER: |
|
1736 case E1000_DEV_ID_82546GB_PCIE: |
|
1737 case E1000_DEV_ID_82571EB_SERDES_QUAD: |
|
1738 /* these don't support WoL at all */ |
|
1739 wol->supported = 0; |
|
1740 break; |
|
1741 case E1000_DEV_ID_82546EB_FIBER: |
|
1742 case E1000_DEV_ID_82546GB_FIBER: |
|
1743 case E1000_DEV_ID_82571EB_FIBER: |
|
1744 case E1000_DEV_ID_82571EB_SERDES: |
|
1745 case E1000_DEV_ID_82571EB_COPPER: |
|
1746 /* Wake events not supported on port B */ |
|
1747 if (er32(STATUS) & E1000_STATUS_FUNC_1) { |
|
1748 wol->supported = 0; |
|
1749 break; |
|
1750 } |
|
1751 /* return success for non excluded adapter ports */ |
|
1752 retval = 0; |
|
1753 break; |
|
1754 case E1000_DEV_ID_82571EB_QUAD_COPPER: |
|
1755 case E1000_DEV_ID_82571EB_QUAD_FIBER: |
|
1756 case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE: |
|
1757 case E1000_DEV_ID_82571PT_QUAD_COPPER: |
|
1758 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1759 /* quad port adapters only support WoL on port A */ |
|
1760 if (!adapter->quad_port_a) { |
|
1761 wol->supported = 0; |
|
1762 break; |
|
1763 } |
|
1764 /* return success for non excluded adapter ports */ |
|
1765 retval = 0; |
|
1766 break; |
|
1767 default: |
|
1768 /* dual port cards only support WoL on port A from now on |
|
1769 * unless it was enabled in the eeprom for port B |
|
1770 * so exclude FUNC_1 ports from having WoL enabled */ |
|
1771 if (er32(STATUS) & E1000_STATUS_FUNC_1 && |
|
1772 !adapter->eeprom_wol) { |
|
1773 wol->supported = 0; |
|
1774 break; |
|
1775 } |
|
1776 |
|
1777 retval = 0; |
|
1778 } |
|
1779 |
|
1780 return retval; |
|
1781 } |
|
1782 |
|
1783 static void e1000_get_wol(struct net_device *netdev, |
|
1784 struct ethtool_wolinfo *wol) |
|
1785 { |
|
1786 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1787 struct e1000_hw *hw = &adapter->hw; |
|
1788 |
|
1789 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1790 WAKE_BCAST | WAKE_MAGIC; |
|
1791 wol->wolopts = 0; |
|
1792 |
|
1793 /* this function will set ->supported = 0 and return 1 if wol is not |
|
1794 * supported by this hardware */ |
|
1795 if (e1000_wol_exclusion(adapter, wol) || |
|
1796 !device_can_wakeup(&adapter->pdev->dev)) |
|
1797 return; |
|
1798 |
|
1799 /* apply any specific unsupported masks here */ |
|
1800 switch (hw->device_id) { |
|
1801 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1802 /* KSP3 does not suppport UCAST wake-ups */ |
|
1803 wol->supported &= ~WAKE_UCAST; |
|
1804 |
|
1805 if (adapter->wol & E1000_WUFC_EX) |
|
1806 DPRINTK(DRV, ERR, "Interface does not support " |
|
1807 "directed (unicast) frame wake-up packets\n"); |
|
1808 break; |
|
1809 default: |
|
1810 break; |
|
1811 } |
|
1812 |
|
1813 if (adapter->wol & E1000_WUFC_EX) |
|
1814 wol->wolopts |= WAKE_UCAST; |
|
1815 if (adapter->wol & E1000_WUFC_MC) |
|
1816 wol->wolopts |= WAKE_MCAST; |
|
1817 if (adapter->wol & E1000_WUFC_BC) |
|
1818 wol->wolopts |= WAKE_BCAST; |
|
1819 if (adapter->wol & E1000_WUFC_MAG) |
|
1820 wol->wolopts |= WAKE_MAGIC; |
|
1821 |
|
1822 return; |
|
1823 } |
|
1824 |
|
1825 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1826 { |
|
1827 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1828 struct e1000_hw *hw = &adapter->hw; |
|
1829 |
|
1830 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) |
|
1831 return -EOPNOTSUPP; |
|
1832 |
|
1833 if (e1000_wol_exclusion(adapter, wol) || |
|
1834 !device_can_wakeup(&adapter->pdev->dev)) |
|
1835 return wol->wolopts ? -EOPNOTSUPP : 0; |
|
1836 |
|
1837 switch (hw->device_id) { |
|
1838 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1839 if (wol->wolopts & WAKE_UCAST) { |
|
1840 DPRINTK(DRV, ERR, "Interface does not support " |
|
1841 "directed (unicast) frame wake-up packets\n"); |
|
1842 return -EOPNOTSUPP; |
|
1843 } |
|
1844 break; |
|
1845 default: |
|
1846 break; |
|
1847 } |
|
1848 |
|
1849 /* these settings will always override what we currently have */ |
|
1850 adapter->wol = 0; |
|
1851 |
|
1852 if (wol->wolopts & WAKE_UCAST) |
|
1853 adapter->wol |= E1000_WUFC_EX; |
|
1854 if (wol->wolopts & WAKE_MCAST) |
|
1855 adapter->wol |= E1000_WUFC_MC; |
|
1856 if (wol->wolopts & WAKE_BCAST) |
|
1857 adapter->wol |= E1000_WUFC_BC; |
|
1858 if (wol->wolopts & WAKE_MAGIC) |
|
1859 adapter->wol |= E1000_WUFC_MAG; |
|
1860 |
|
1861 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1862 |
|
1863 return 0; |
|
1864 } |
|
1865 |
|
1866 /* toggle LED 4 times per second = 2 "blinks" per second */ |
|
1867 #define E1000_ID_INTERVAL (HZ/4) |
|
1868 |
|
1869 /* bit defines for adapter->led_status */ |
|
1870 #define E1000_LED_ON 0 |
|
1871 |
|
1872 static void e1000_led_blink_callback(unsigned long data) |
|
1873 { |
|
1874 struct e1000_adapter *adapter = (struct e1000_adapter *) data; |
|
1875 struct e1000_hw *hw = &adapter->hw; |
|
1876 |
|
1877 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) |
|
1878 e1000_led_off(hw); |
|
1879 else |
|
1880 e1000_led_on(hw); |
|
1881 |
|
1882 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); |
|
1883 } |
|
1884 |
|
1885 static int e1000_phys_id(struct net_device *netdev, u32 data) |
|
1886 { |
|
1887 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1888 struct e1000_hw *hw = &adapter->hw; |
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1889 |
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1890 if (!data) |
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1891 data = INT_MAX; |
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1892 |
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1893 if (hw->mac_type < e1000_82571) { |
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1894 if (!adapter->blink_timer.function) { |
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1895 init_timer(&adapter->blink_timer); |
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1896 adapter->blink_timer.function = e1000_led_blink_callback; |
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1897 adapter->blink_timer.data = (unsigned long)adapter; |
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1898 } |
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1899 e1000_setup_led(hw); |
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1900 mod_timer(&adapter->blink_timer, jiffies); |
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1901 msleep_interruptible(data * 1000); |
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1902 del_timer_sync(&adapter->blink_timer); |
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1903 } else if (hw->phy_type == e1000_phy_ife) { |
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1904 if (!adapter->blink_timer.function) { |
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1905 init_timer(&adapter->blink_timer); |
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1906 adapter->blink_timer.function = e1000_led_blink_callback; |
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1907 adapter->blink_timer.data = (unsigned long)adapter; |
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1908 } |
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1909 mod_timer(&adapter->blink_timer, jiffies); |
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1910 msleep_interruptible(data * 1000); |
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1911 del_timer_sync(&adapter->blink_timer); |
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1912 e1000_write_phy_reg(&(adapter->hw), IFE_PHY_SPECIAL_CONTROL_LED, 0); |
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1913 } else { |
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1914 e1000_blink_led_start(hw); |
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1915 msleep_interruptible(data * 1000); |
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1916 } |
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1917 |
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1918 e1000_led_off(hw); |
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1919 clear_bit(E1000_LED_ON, &adapter->led_status); |
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1920 e1000_cleanup_led(hw); |
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1921 |
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1922 return 0; |
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1923 } |
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1924 |
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1925 static int e1000_nway_reset(struct net_device *netdev) |
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1926 { |
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1927 struct e1000_adapter *adapter = netdev_priv(netdev); |
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1928 |
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1929 if (adapter->ecdev) |
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1930 return -EBUSY; |
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1931 |
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1932 if (netif_running(netdev)) |
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1933 e1000_reinit_locked(adapter); |
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1934 return 0; |
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1935 } |
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1936 |
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1937 static void e1000_get_ethtool_stats(struct net_device *netdev, |
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1938 struct ethtool_stats *stats, u64 *data) |
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1939 { |
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1940 struct e1000_adapter *adapter = netdev_priv(netdev); |
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1941 int i; |
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1942 |
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1943 e1000_update_stats(adapter); |
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1944 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
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1945 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; |
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1946 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
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1947 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
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1948 } |
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1949 /* BUG_ON(i != E1000_STATS_LEN); */ |
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1950 } |
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1951 |
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1952 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
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1953 u8 *data) |
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1954 { |
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1955 u8 *p = data; |
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1956 int i; |
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1957 |
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1958 switch (stringset) { |
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1959 case ETH_SS_TEST: |
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1960 memcpy(data, *e1000_gstrings_test, |
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1961 sizeof(e1000_gstrings_test)); |
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1962 break; |
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1963 case ETH_SS_STATS: |
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1964 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
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1965 memcpy(p, e1000_gstrings_stats[i].stat_string, |
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1966 ETH_GSTRING_LEN); |
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1967 p += ETH_GSTRING_LEN; |
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1968 } |
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1969 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ |
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1970 break; |
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1971 } |
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1972 } |
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1973 |
|
1974 static const struct ethtool_ops e1000_ethtool_ops = { |
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1975 .get_settings = e1000_get_settings, |
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1976 .set_settings = e1000_set_settings, |
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1977 .get_drvinfo = e1000_get_drvinfo, |
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1978 .get_regs_len = e1000_get_regs_len, |
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1979 .get_regs = e1000_get_regs, |
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1980 .get_wol = e1000_get_wol, |
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1981 .set_wol = e1000_set_wol, |
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1982 .get_msglevel = e1000_get_msglevel, |
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1983 .set_msglevel = e1000_set_msglevel, |
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1984 .nway_reset = e1000_nway_reset, |
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1985 .get_link = ethtool_op_get_link, |
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1986 .get_eeprom_len = e1000_get_eeprom_len, |
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1987 .get_eeprom = e1000_get_eeprom, |
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1988 .set_eeprom = e1000_set_eeprom, |
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1989 .get_ringparam = e1000_get_ringparam, |
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1990 .set_ringparam = e1000_set_ringparam, |
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1991 .get_pauseparam = e1000_get_pauseparam, |
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1992 .set_pauseparam = e1000_set_pauseparam, |
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1993 .get_rx_csum = e1000_get_rx_csum, |
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1994 .set_rx_csum = e1000_set_rx_csum, |
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1995 .get_tx_csum = e1000_get_tx_csum, |
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1996 .set_tx_csum = e1000_set_tx_csum, |
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1997 .set_sg = ethtool_op_set_sg, |
|
1998 .set_tso = e1000_set_tso, |
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1999 .self_test = e1000_diag_test, |
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2000 .get_strings = e1000_get_strings, |
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2001 .phys_id = e1000_phys_id, |
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2002 .get_ethtool_stats = e1000_get_ethtool_stats, |
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2003 .get_sset_count = e1000_get_sset_count, |
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2004 }; |
|
2005 |
|
2006 void e1000_set_ethtool_ops(struct net_device *netdev) |
|
2007 { |
|
2008 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
|
2009 } |