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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.h" |
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32 #include <asm/uaccess.h> |
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33 |
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34 enum {NETDEV_STATS, E1000_STATS}; |
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35 |
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36 struct e1000_stats { |
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37 char stat_string[ETH_GSTRING_LEN]; |
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38 int type; |
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39 int sizeof_stat; |
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40 int stat_offset; |
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41 }; |
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42 |
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43 #define E1000_STAT(m) E1000_STATS, \ |
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44 sizeof(((struct e1000_adapter *)0)->m), \ |
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45 offsetof(struct e1000_adapter, m) |
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46 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \ |
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47 sizeof(((struct net_device *)0)->m), \ |
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48 offsetof(struct net_device, m) |
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49 |
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50 static const struct e1000_stats e1000_gstrings_stats[] = { |
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51 { "rx_packets", E1000_STAT(stats.gprc) }, |
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52 { "tx_packets", E1000_STAT(stats.gptc) }, |
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53 { "rx_bytes", E1000_STAT(stats.gorcl) }, |
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54 { "tx_bytes", E1000_STAT(stats.gotcl) }, |
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55 { "rx_broadcast", E1000_STAT(stats.bprc) }, |
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56 { "tx_broadcast", E1000_STAT(stats.bptc) }, |
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57 { "rx_multicast", E1000_STAT(stats.mprc) }, |
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58 { "tx_multicast", E1000_STAT(stats.mptc) }, |
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59 { "rx_errors", E1000_STAT(stats.rxerrc) }, |
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60 { "tx_errors", E1000_STAT(stats.txerrc) }, |
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61 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) }, |
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62 { "multicast", E1000_STAT(stats.mprc) }, |
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63 { "collisions", E1000_STAT(stats.colc) }, |
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64 { "rx_length_errors", E1000_STAT(stats.rlerrc) }, |
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65 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) }, |
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66 { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, |
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67 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) }, |
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68 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, |
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69 { "rx_missed_errors", E1000_STAT(stats.mpc) }, |
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70 { "tx_aborted_errors", E1000_STAT(stats.ecol) }, |
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71 { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, |
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72 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) }, |
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73 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) }, |
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74 { "tx_window_errors", E1000_STAT(stats.latecol) }, |
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75 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, |
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76 { "tx_deferred_ok", E1000_STAT(stats.dc) }, |
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77 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, |
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78 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, |
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79 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, |
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80 { "tx_restart_queue", E1000_STAT(restart_queue) }, |
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81 { "rx_long_length_errors", E1000_STAT(stats.roc) }, |
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82 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, |
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83 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, |
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84 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, |
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85 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, |
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86 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, |
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87 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, |
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88 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, |
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89 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, |
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90 { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, |
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91 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, |
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92 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, |
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93 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, |
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94 { "tx_smbus", E1000_STAT(stats.mgptc) }, |
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95 { "rx_smbus", E1000_STAT(stats.mgprc) }, |
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96 { "dropped_smbus", E1000_STAT(stats.mgpdc) }, |
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97 }; |
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98 |
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99 #define E1000_QUEUE_STATS_LEN 0 |
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100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) |
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102 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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103 "Register test (offline)", "Eeprom test (offline)", |
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104 "Interrupt test (offline)", "Loopback test (offline)", |
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105 "Link test (on/offline)" |
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106 }; |
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107 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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108 |
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109 static int e1000_get_settings(struct net_device *netdev, |
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110 struct ethtool_cmd *ecmd) |
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111 { |
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112 struct e1000_adapter *adapter = netdev_priv(netdev); |
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113 struct e1000_hw *hw = &adapter->hw; |
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114 |
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115 if (hw->media_type == e1000_media_type_copper) { |
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116 |
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117 ecmd->supported = (SUPPORTED_10baseT_Half | |
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118 SUPPORTED_10baseT_Full | |
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119 SUPPORTED_100baseT_Half | |
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120 SUPPORTED_100baseT_Full | |
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121 SUPPORTED_1000baseT_Full| |
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122 SUPPORTED_Autoneg | |
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123 SUPPORTED_TP); |
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124 ecmd->advertising = ADVERTISED_TP; |
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125 |
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126 if (hw->autoneg == 1) { |
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127 ecmd->advertising |= ADVERTISED_Autoneg; |
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128 /* the e1000 autoneg seems to match ethtool nicely */ |
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129 ecmd->advertising |= hw->autoneg_advertised; |
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130 } |
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131 |
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132 ecmd->port = PORT_TP; |
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133 ecmd->phy_address = hw->phy_addr; |
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134 |
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135 if (hw->mac_type == e1000_82543) |
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136 ecmd->transceiver = XCVR_EXTERNAL; |
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137 else |
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138 ecmd->transceiver = XCVR_INTERNAL; |
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139 |
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140 } else { |
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141 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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142 SUPPORTED_FIBRE | |
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143 SUPPORTED_Autoneg); |
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144 |
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145 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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146 ADVERTISED_FIBRE | |
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147 ADVERTISED_Autoneg); |
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148 |
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149 ecmd->port = PORT_FIBRE; |
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150 |
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151 if (hw->mac_type >= e1000_82545) |
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152 ecmd->transceiver = XCVR_INTERNAL; |
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153 else |
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154 ecmd->transceiver = XCVR_EXTERNAL; |
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155 } |
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156 |
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157 if (er32(STATUS) & E1000_STATUS_LU) { |
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158 |
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159 e1000_get_speed_and_duplex(hw, &adapter->link_speed, |
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160 &adapter->link_duplex); |
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161 ethtool_cmd_speed_set(ecmd, adapter->link_speed); |
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162 |
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163 /* unfortunately FULL_DUPLEX != DUPLEX_FULL |
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164 * and HALF_DUPLEX != DUPLEX_HALF |
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165 */ |
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166 if (adapter->link_duplex == FULL_DUPLEX) |
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167 ecmd->duplex = DUPLEX_FULL; |
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168 else |
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169 ecmd->duplex = DUPLEX_HALF; |
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170 } else { |
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171 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); |
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172 ecmd->duplex = DUPLEX_UNKNOWN; |
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173 } |
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174 |
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175 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || |
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176 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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177 |
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178 /* MDI-X => 1; MDI => 0 */ |
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179 if ((hw->media_type == e1000_media_type_copper) && |
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180 netif_carrier_ok(netdev)) |
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181 ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ? |
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182 ETH_TP_MDI_X : ETH_TP_MDI); |
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183 else |
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184 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; |
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185 |
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186 if (hw->mdix == AUTO_ALL_MODES) |
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187 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; |
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188 else |
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189 ecmd->eth_tp_mdix_ctrl = hw->mdix; |
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190 return 0; |
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191 } |
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192 |
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193 static int e1000_set_settings(struct net_device *netdev, |
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194 struct ethtool_cmd *ecmd) |
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195 { |
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196 struct e1000_adapter *adapter = netdev_priv(netdev); |
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197 struct e1000_hw *hw = &adapter->hw; |
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198 |
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199 /* MDI setting is only allowed when autoneg enabled because |
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200 * some hardware doesn't allow MDI setting when speed or |
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201 * duplex is forced. |
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202 */ |
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203 if (ecmd->eth_tp_mdix_ctrl) { |
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204 if (hw->media_type != e1000_media_type_copper) |
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205 return -EOPNOTSUPP; |
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206 |
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207 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) && |
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208 (ecmd->autoneg != AUTONEG_ENABLE)) { |
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209 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); |
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210 return -EINVAL; |
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211 } |
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212 } |
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213 |
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214 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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215 msleep(1); |
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216 |
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217 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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218 hw->autoneg = 1; |
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219 if (hw->media_type == e1000_media_type_fiber) |
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220 hw->autoneg_advertised = ADVERTISED_1000baseT_Full | |
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221 ADVERTISED_FIBRE | |
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222 ADVERTISED_Autoneg; |
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223 else |
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224 hw->autoneg_advertised = ecmd->advertising | |
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225 ADVERTISED_TP | |
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226 ADVERTISED_Autoneg; |
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227 ecmd->advertising = hw->autoneg_advertised; |
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228 } else { |
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229 u32 speed = ethtool_cmd_speed(ecmd); |
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230 /* calling this overrides forced MDI setting */ |
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231 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { |
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232 clear_bit(__E1000_RESETTING, &adapter->flags); |
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233 return -EINVAL; |
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234 } |
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235 } |
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236 |
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237 /* MDI-X => 2; MDI => 1; Auto => 3 */ |
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238 if (ecmd->eth_tp_mdix_ctrl) { |
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239 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) |
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240 hw->mdix = AUTO_ALL_MODES; |
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241 else |
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242 hw->mdix = ecmd->eth_tp_mdix_ctrl; |
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243 } |
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244 |
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245 /* reset the link */ |
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246 |
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247 if (netif_running(adapter->netdev)) { |
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248 e1000_down(adapter); |
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249 e1000_up(adapter); |
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250 } else |
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251 e1000_reset(adapter); |
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252 |
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253 clear_bit(__E1000_RESETTING, &adapter->flags); |
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254 return 0; |
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255 } |
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256 |
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257 static u32 e1000_get_link(struct net_device *netdev) |
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258 { |
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259 struct e1000_adapter *adapter = netdev_priv(netdev); |
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260 |
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261 /* If the link is not reported up to netdev, interrupts are disabled, |
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262 * and so the physical link state may have changed since we last |
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263 * looked. Set get_link_status to make sure that the true link |
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264 * state is interrogated, rather than pulling a cached and possibly |
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265 * stale link state from the driver. |
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266 */ |
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267 if (!netif_carrier_ok(netdev)) |
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268 adapter->hw.get_link_status = 1; |
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269 |
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270 return e1000_has_link(adapter); |
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271 } |
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272 |
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273 static void e1000_get_pauseparam(struct net_device *netdev, |
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274 struct ethtool_pauseparam *pause) |
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275 { |
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276 struct e1000_adapter *adapter = netdev_priv(netdev); |
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277 struct e1000_hw *hw = &adapter->hw; |
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278 |
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279 pause->autoneg = |
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280 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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281 |
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282 if (hw->fc == E1000_FC_RX_PAUSE) |
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283 pause->rx_pause = 1; |
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284 else if (hw->fc == E1000_FC_TX_PAUSE) |
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285 pause->tx_pause = 1; |
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286 else if (hw->fc == E1000_FC_FULL) { |
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287 pause->rx_pause = 1; |
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288 pause->tx_pause = 1; |
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289 } |
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290 } |
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291 |
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292 static int e1000_set_pauseparam(struct net_device *netdev, |
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293 struct ethtool_pauseparam *pause) |
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294 { |
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295 struct e1000_adapter *adapter = netdev_priv(netdev); |
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296 struct e1000_hw *hw = &adapter->hw; |
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297 int retval = 0; |
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298 |
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299 adapter->fc_autoneg = pause->autoneg; |
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300 |
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301 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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302 msleep(1); |
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303 |
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304 if (pause->rx_pause && pause->tx_pause) |
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305 hw->fc = E1000_FC_FULL; |
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306 else if (pause->rx_pause && !pause->tx_pause) |
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307 hw->fc = E1000_FC_RX_PAUSE; |
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308 else if (!pause->rx_pause && pause->tx_pause) |
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309 hw->fc = E1000_FC_TX_PAUSE; |
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310 else if (!pause->rx_pause && !pause->tx_pause) |
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311 hw->fc = E1000_FC_NONE; |
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312 |
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313 hw->original_fc = hw->fc; |
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314 |
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315 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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316 if (netif_running(adapter->netdev)) { |
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317 e1000_down(adapter); |
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318 e1000_up(adapter); |
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319 } else |
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320 e1000_reset(adapter); |
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321 } else |
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322 retval = ((hw->media_type == e1000_media_type_fiber) ? |
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323 e1000_setup_link(hw) : e1000_force_mac_fc(hw)); |
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324 |
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325 clear_bit(__E1000_RESETTING, &adapter->flags); |
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326 return retval; |
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327 } |
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328 |
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329 static u32 e1000_get_msglevel(struct net_device *netdev) |
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330 { |
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331 struct e1000_adapter *adapter = netdev_priv(netdev); |
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332 return adapter->msg_enable; |
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333 } |
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334 |
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335 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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336 { |
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337 struct e1000_adapter *adapter = netdev_priv(netdev); |
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338 adapter->msg_enable = data; |
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339 } |
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340 |
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341 static int e1000_get_regs_len(struct net_device *netdev) |
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342 { |
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343 #define E1000_REGS_LEN 32 |
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344 return E1000_REGS_LEN * sizeof(u32); |
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345 } |
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346 |
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347 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs, |
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348 void *p) |
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349 { |
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350 struct e1000_adapter *adapter = netdev_priv(netdev); |
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351 struct e1000_hw *hw = &adapter->hw; |
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352 u32 *regs_buff = p; |
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353 u16 phy_data; |
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354 |
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355 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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356 |
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357 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; |
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358 |
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359 regs_buff[0] = er32(CTRL); |
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360 regs_buff[1] = er32(STATUS); |
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361 |
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362 regs_buff[2] = er32(RCTL); |
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363 regs_buff[3] = er32(RDLEN); |
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364 regs_buff[4] = er32(RDH); |
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365 regs_buff[5] = er32(RDT); |
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366 regs_buff[6] = er32(RDTR); |
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367 |
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368 regs_buff[7] = er32(TCTL); |
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369 regs_buff[8] = er32(TDLEN); |
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370 regs_buff[9] = er32(TDH); |
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371 regs_buff[10] = er32(TDT); |
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372 regs_buff[11] = er32(TIDV); |
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373 |
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374 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */ |
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375 if (hw->phy_type == e1000_phy_igp) { |
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376 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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377 IGP01E1000_PHY_AGC_A); |
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378 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & |
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379 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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380 regs_buff[13] = (u32)phy_data; /* cable length */ |
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381 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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382 IGP01E1000_PHY_AGC_B); |
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383 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & |
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384 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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385 regs_buff[14] = (u32)phy_data; /* cable length */ |
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386 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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387 IGP01E1000_PHY_AGC_C); |
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388 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & |
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389 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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390 regs_buff[15] = (u32)phy_data; /* cable length */ |
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391 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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392 IGP01E1000_PHY_AGC_D); |
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393 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & |
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394 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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395 regs_buff[16] = (u32)phy_data; /* cable length */ |
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396 regs_buff[17] = 0; /* extended 10bt distance (not needed) */ |
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397 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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398 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & |
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399 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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400 regs_buff[18] = (u32)phy_data; /* cable polarity */ |
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401 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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402 IGP01E1000_PHY_PCS_INIT_REG); |
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403 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & |
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404 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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405 regs_buff[19] = (u32)phy_data; /* cable polarity */ |
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406 regs_buff[20] = 0; /* polarity correction enabled (always) */ |
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407 regs_buff[22] = 0; /* phy receive errors (unavailable) */ |
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408 regs_buff[23] = regs_buff[18]; /* mdix mode */ |
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409 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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410 } else { |
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411 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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412 regs_buff[13] = (u32)phy_data; /* cable length */ |
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413 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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414 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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415 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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416 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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417 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
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418 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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419 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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420 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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421 /* phy receive errors */ |
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422 regs_buff[22] = adapter->phy_stats.receive_errors; |
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423 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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424 } |
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425 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ |
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426 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); |
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427 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
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428 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
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429 if (hw->mac_type >= e1000_82540 && |
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430 hw->media_type == e1000_media_type_copper) { |
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431 regs_buff[26] = er32(MANC); |
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432 } |
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433 } |
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434 |
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435 static int e1000_get_eeprom_len(struct net_device *netdev) |
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436 { |
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437 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
438 struct e1000_hw *hw = &adapter->hw; |
|
439 |
|
440 return hw->eeprom.word_size * 2; |
|
441 } |
|
442 |
|
443 static int e1000_get_eeprom(struct net_device *netdev, |
|
444 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
445 { |
|
446 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
447 struct e1000_hw *hw = &adapter->hw; |
|
448 u16 *eeprom_buff; |
|
449 int first_word, last_word; |
|
450 int ret_val = 0; |
|
451 u16 i; |
|
452 |
|
453 if (eeprom->len == 0) |
|
454 return -EINVAL; |
|
455 |
|
456 eeprom->magic = hw->vendor_id | (hw->device_id << 16); |
|
457 |
|
458 first_word = eeprom->offset >> 1; |
|
459 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
460 |
|
461 eeprom_buff = kmalloc(sizeof(u16) * |
|
462 (last_word - first_word + 1), GFP_KERNEL); |
|
463 if (!eeprom_buff) |
|
464 return -ENOMEM; |
|
465 |
|
466 if (hw->eeprom.type == e1000_eeprom_spi) |
|
467 ret_val = e1000_read_eeprom(hw, first_word, |
|
468 last_word - first_word + 1, |
|
469 eeprom_buff); |
|
470 else { |
|
471 for (i = 0; i < last_word - first_word + 1; i++) { |
|
472 ret_val = e1000_read_eeprom(hw, first_word + i, 1, |
|
473 &eeprom_buff[i]); |
|
474 if (ret_val) |
|
475 break; |
|
476 } |
|
477 } |
|
478 |
|
479 /* Device's eeprom is always little-endian, word addressable */ |
|
480 for (i = 0; i < last_word - first_word + 1; i++) |
|
481 le16_to_cpus(&eeprom_buff[i]); |
|
482 |
|
483 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), |
|
484 eeprom->len); |
|
485 kfree(eeprom_buff); |
|
486 |
|
487 return ret_val; |
|
488 } |
|
489 |
|
490 static int e1000_set_eeprom(struct net_device *netdev, |
|
491 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
492 { |
|
493 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
494 struct e1000_hw *hw = &adapter->hw; |
|
495 u16 *eeprom_buff; |
|
496 void *ptr; |
|
497 int max_len, first_word, last_word, ret_val = 0; |
|
498 u16 i; |
|
499 |
|
500 if (eeprom->len == 0) |
|
501 return -EOPNOTSUPP; |
|
502 |
|
503 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) |
|
504 return -EFAULT; |
|
505 |
|
506 max_len = hw->eeprom.word_size * 2; |
|
507 |
|
508 first_word = eeprom->offset >> 1; |
|
509 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
510 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
511 if (!eeprom_buff) |
|
512 return -ENOMEM; |
|
513 |
|
514 ptr = (void *)eeprom_buff; |
|
515 |
|
516 if (eeprom->offset & 1) { |
|
517 /* need read/modify/write of first changed EEPROM word |
|
518 * only the second byte of the word is being modified |
|
519 */ |
|
520 ret_val = e1000_read_eeprom(hw, first_word, 1, |
|
521 &eeprom_buff[0]); |
|
522 ptr++; |
|
523 } |
|
524 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { |
|
525 /* need read/modify/write of last changed EEPROM word |
|
526 * only the first byte of the word is being modified |
|
527 */ |
|
528 ret_val = e1000_read_eeprom(hw, last_word, 1, |
|
529 &eeprom_buff[last_word - first_word]); |
|
530 } |
|
531 |
|
532 /* Device's eeprom is always little-endian, word addressable */ |
|
533 for (i = 0; i < last_word - first_word + 1; i++) |
|
534 le16_to_cpus(&eeprom_buff[i]); |
|
535 |
|
536 memcpy(ptr, bytes, eeprom->len); |
|
537 |
|
538 for (i = 0; i < last_word - first_word + 1; i++) |
|
539 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); |
|
540 |
|
541 ret_val = e1000_write_eeprom(hw, first_word, |
|
542 last_word - first_word + 1, eeprom_buff); |
|
543 |
|
544 /* Update the checksum over the first part of the EEPROM if needed */ |
|
545 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG)) |
|
546 e1000_update_eeprom_checksum(hw); |
|
547 |
|
548 kfree(eeprom_buff); |
|
549 return ret_val; |
|
550 } |
|
551 |
|
552 static void e1000_get_drvinfo(struct net_device *netdev, |
|
553 struct ethtool_drvinfo *drvinfo) |
|
554 { |
|
555 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
556 |
|
557 strlcpy(drvinfo->driver, e1000_driver_name, |
|
558 sizeof(drvinfo->driver)); |
|
559 strlcpy(drvinfo->version, e1000_driver_version, |
|
560 sizeof(drvinfo->version)); |
|
561 |
|
562 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), |
|
563 sizeof(drvinfo->bus_info)); |
|
564 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
565 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
566 } |
|
567 |
|
568 static void e1000_get_ringparam(struct net_device *netdev, |
|
569 struct ethtool_ringparam *ring) |
|
570 { |
|
571 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
572 struct e1000_hw *hw = &adapter->hw; |
|
573 e1000_mac_type mac_type = hw->mac_type; |
|
574 struct e1000_tx_ring *txdr = adapter->tx_ring; |
|
575 struct e1000_rx_ring *rxdr = adapter->rx_ring; |
|
576 |
|
577 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : |
|
578 E1000_MAX_82544_RXD; |
|
579 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : |
|
580 E1000_MAX_82544_TXD; |
|
581 ring->rx_pending = rxdr->count; |
|
582 ring->tx_pending = txdr->count; |
|
583 } |
|
584 |
|
585 static int e1000_set_ringparam(struct net_device *netdev, |
|
586 struct ethtool_ringparam *ring) |
|
587 { |
|
588 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
589 struct e1000_hw *hw = &adapter->hw; |
|
590 e1000_mac_type mac_type = hw->mac_type; |
|
591 struct e1000_tx_ring *txdr, *tx_old; |
|
592 struct e1000_rx_ring *rxdr, *rx_old; |
|
593 int i, err; |
|
594 |
|
595 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
596 return -EINVAL; |
|
597 |
|
598 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
|
599 msleep(1); |
|
600 |
|
601 if (netif_running(adapter->netdev)) |
|
602 e1000_down(adapter); |
|
603 |
|
604 tx_old = adapter->tx_ring; |
|
605 rx_old = adapter->rx_ring; |
|
606 |
|
607 err = -ENOMEM; |
|
608 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), |
|
609 GFP_KERNEL); |
|
610 if (!txdr) |
|
611 goto err_alloc_tx; |
|
612 |
|
613 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), |
|
614 GFP_KERNEL); |
|
615 if (!rxdr) |
|
616 goto err_alloc_rx; |
|
617 |
|
618 adapter->tx_ring = txdr; |
|
619 adapter->rx_ring = rxdr; |
|
620 |
|
621 rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD); |
|
622 rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ? |
|
623 E1000_MAX_RXD : E1000_MAX_82544_RXD)); |
|
624 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
625 |
|
626 txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD); |
|
627 txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ? |
|
628 E1000_MAX_TXD : E1000_MAX_82544_TXD)); |
|
629 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
630 |
|
631 for (i = 0; i < adapter->num_tx_queues; i++) |
|
632 txdr[i].count = txdr->count; |
|
633 for (i = 0; i < adapter->num_rx_queues; i++) |
|
634 rxdr[i].count = rxdr->count; |
|
635 |
|
636 if (netif_running(adapter->netdev)) { |
|
637 /* Try to get new resources before deleting old */ |
|
638 err = e1000_setup_all_rx_resources(adapter); |
|
639 if (err) |
|
640 goto err_setup_rx; |
|
641 err = e1000_setup_all_tx_resources(adapter); |
|
642 if (err) |
|
643 goto err_setup_tx; |
|
644 |
|
645 /* save the new, restore the old in order to free it, |
|
646 * then restore the new back again |
|
647 */ |
|
648 |
|
649 adapter->rx_ring = rx_old; |
|
650 adapter->tx_ring = tx_old; |
|
651 e1000_free_all_rx_resources(adapter); |
|
652 e1000_free_all_tx_resources(adapter); |
|
653 kfree(tx_old); |
|
654 kfree(rx_old); |
|
655 adapter->rx_ring = rxdr; |
|
656 adapter->tx_ring = txdr; |
|
657 err = e1000_up(adapter); |
|
658 if (err) |
|
659 goto err_setup; |
|
660 } |
|
661 |
|
662 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
663 return 0; |
|
664 err_setup_tx: |
|
665 e1000_free_all_rx_resources(adapter); |
|
666 err_setup_rx: |
|
667 adapter->rx_ring = rx_old; |
|
668 adapter->tx_ring = tx_old; |
|
669 kfree(rxdr); |
|
670 err_alloc_rx: |
|
671 kfree(txdr); |
|
672 err_alloc_tx: |
|
673 e1000_up(adapter); |
|
674 err_setup: |
|
675 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
676 return err; |
|
677 } |
|
678 |
|
679 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg, |
|
680 u32 mask, u32 write) |
|
681 { |
|
682 struct e1000_hw *hw = &adapter->hw; |
|
683 static const u32 test[] = |
|
684 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
685 u8 __iomem *address = hw->hw_addr + reg; |
|
686 u32 read; |
|
687 int i; |
|
688 |
|
689 for (i = 0; i < ARRAY_SIZE(test); i++) { |
|
690 writel(write & test[i], address); |
|
691 read = readl(address); |
|
692 if (read != (write & test[i] & mask)) { |
|
693 e_err(drv, "pattern test reg %04X failed: " |
|
694 "got 0x%08X expected 0x%08X\n", |
|
695 reg, read, (write & test[i] & mask)); |
|
696 *data = reg; |
|
697 return true; |
|
698 } |
|
699 } |
|
700 return false; |
|
701 } |
|
702 |
|
703 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg, |
|
704 u32 mask, u32 write) |
|
705 { |
|
706 struct e1000_hw *hw = &adapter->hw; |
|
707 u8 __iomem *address = hw->hw_addr + reg; |
|
708 u32 read; |
|
709 |
|
710 writel(write & mask, address); |
|
711 read = readl(address); |
|
712 if ((read & mask) != (write & mask)) { |
|
713 e_err(drv, "set/check reg %04X test failed: " |
|
714 "got 0x%08X expected 0x%08X\n", |
|
715 reg, (read & mask), (write & mask)); |
|
716 *data = reg; |
|
717 return true; |
|
718 } |
|
719 return false; |
|
720 } |
|
721 |
|
722 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
723 do { \ |
|
724 if (reg_pattern_test(adapter, data, \ |
|
725 (hw->mac_type >= e1000_82543) \ |
|
726 ? E1000_##reg : E1000_82542_##reg, \ |
|
727 mask, write)) \ |
|
728 return 1; \ |
|
729 } while (0) |
|
730 |
|
731 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
732 do { \ |
|
733 if (reg_set_and_check(adapter, data, \ |
|
734 (hw->mac_type >= e1000_82543) \ |
|
735 ? E1000_##reg : E1000_82542_##reg, \ |
|
736 mask, write)) \ |
|
737 return 1; \ |
|
738 } while (0) |
|
739 |
|
740 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
741 { |
|
742 u32 value, before, after; |
|
743 u32 i, toggle; |
|
744 struct e1000_hw *hw = &adapter->hw; |
|
745 |
|
746 /* The status register is Read Only, so a write should fail. |
|
747 * Some bits that get toggled are ignored. |
|
748 */ |
|
749 |
|
750 /* there are several bits on newer hardware that are r/w */ |
|
751 toggle = 0xFFFFF833; |
|
752 |
|
753 before = er32(STATUS); |
|
754 value = (er32(STATUS) & toggle); |
|
755 ew32(STATUS, toggle); |
|
756 after = er32(STATUS) & toggle; |
|
757 if (value != after) { |
|
758 e_err(drv, "failed STATUS register test got: " |
|
759 "0x%08X expected: 0x%08X\n", after, value); |
|
760 *data = 1; |
|
761 return 1; |
|
762 } |
|
763 /* restore previous status */ |
|
764 ew32(STATUS, before); |
|
765 |
|
766 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
767 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
768 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
769 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); |
|
770 |
|
771 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
772 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
773 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); |
|
774 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); |
|
775 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); |
|
776 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
777 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
778 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
779 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
780 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); |
|
781 |
|
782 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); |
|
783 |
|
784 before = 0x06DFB3FE; |
|
785 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); |
|
786 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); |
|
787 |
|
788 if (hw->mac_type >= e1000_82543) { |
|
789 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF); |
|
790 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
791 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); |
|
792 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
793 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); |
|
794 value = E1000_RAR_ENTRIES; |
|
795 for (i = 0; i < value; i++) { |
|
796 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, |
|
797 0xFFFFFFFF); |
|
798 } |
|
799 } else { |
|
800 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); |
|
801 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
802 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); |
|
803 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
804 } |
|
805 |
|
806 value = E1000_MC_TBL_SIZE; |
|
807 for (i = 0; i < value; i++) |
|
808 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); |
|
809 |
|
810 *data = 0; |
|
811 return 0; |
|
812 } |
|
813 |
|
814 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
815 { |
|
816 struct e1000_hw *hw = &adapter->hw; |
|
817 u16 temp; |
|
818 u16 checksum = 0; |
|
819 u16 i; |
|
820 |
|
821 *data = 0; |
|
822 /* Read and add up the contents of the EEPROM */ |
|
823 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { |
|
824 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) { |
|
825 *data = 1; |
|
826 break; |
|
827 } |
|
828 checksum += temp; |
|
829 } |
|
830 |
|
831 /* If Checksum is not Correct return error else test passed */ |
|
832 if ((checksum != (u16)EEPROM_SUM) && !(*data)) |
|
833 *data = 2; |
|
834 |
|
835 return *data; |
|
836 } |
|
837 |
|
838 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
839 { |
|
840 struct net_device *netdev = (struct net_device *)data; |
|
841 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
842 struct e1000_hw *hw = &adapter->hw; |
|
843 |
|
844 adapter->test_icr |= er32(ICR); |
|
845 |
|
846 return IRQ_HANDLED; |
|
847 } |
|
848 |
|
849 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
850 { |
|
851 struct net_device *netdev = adapter->netdev; |
|
852 u32 mask, i = 0; |
|
853 bool shared_int = true; |
|
854 u32 irq = adapter->pdev->irq; |
|
855 struct e1000_hw *hw = &adapter->hw; |
|
856 |
|
857 *data = 0; |
|
858 |
|
859 /* NOTE: we don't test MSI interrupts here, yet |
|
860 * Hook up test interrupt handler just for this test |
|
861 */ |
|
862 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
863 netdev)) |
|
864 shared_int = false; |
|
865 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, |
|
866 netdev->name, netdev)) { |
|
867 *data = 1; |
|
868 return -1; |
|
869 } |
|
870 e_info(hw, "testing %s interrupt\n", (shared_int ? |
|
871 "shared" : "unshared")); |
|
872 |
|
873 /* Disable all the interrupts */ |
|
874 ew32(IMC, 0xFFFFFFFF); |
|
875 E1000_WRITE_FLUSH(); |
|
876 msleep(10); |
|
877 |
|
878 /* Test each interrupt */ |
|
879 for (; i < 10; i++) { |
|
880 |
|
881 /* Interrupt to test */ |
|
882 mask = 1 << i; |
|
883 |
|
884 if (!shared_int) { |
|
885 /* Disable the interrupt to be reported in |
|
886 * the cause register and then force the same |
|
887 * interrupt and see if one gets posted. If |
|
888 * an interrupt was posted to the bus, the |
|
889 * test failed. |
|
890 */ |
|
891 adapter->test_icr = 0; |
|
892 ew32(IMC, mask); |
|
893 ew32(ICS, mask); |
|
894 E1000_WRITE_FLUSH(); |
|
895 msleep(10); |
|
896 |
|
897 if (adapter->test_icr & mask) { |
|
898 *data = 3; |
|
899 break; |
|
900 } |
|
901 } |
|
902 |
|
903 /* Enable the interrupt to be reported in |
|
904 * the cause register and then force the same |
|
905 * interrupt and see if one gets posted. If |
|
906 * an interrupt was not posted to the bus, the |
|
907 * test failed. |
|
908 */ |
|
909 adapter->test_icr = 0; |
|
910 ew32(IMS, mask); |
|
911 ew32(ICS, mask); |
|
912 E1000_WRITE_FLUSH(); |
|
913 msleep(10); |
|
914 |
|
915 if (!(adapter->test_icr & mask)) { |
|
916 *data = 4; |
|
917 break; |
|
918 } |
|
919 |
|
920 if (!shared_int) { |
|
921 /* Disable the other interrupts to be reported in |
|
922 * the cause register and then force the other |
|
923 * interrupts and see if any get posted. If |
|
924 * an interrupt was posted to the bus, the |
|
925 * test failed. |
|
926 */ |
|
927 adapter->test_icr = 0; |
|
928 ew32(IMC, ~mask & 0x00007FFF); |
|
929 ew32(ICS, ~mask & 0x00007FFF); |
|
930 E1000_WRITE_FLUSH(); |
|
931 msleep(10); |
|
932 |
|
933 if (adapter->test_icr) { |
|
934 *data = 5; |
|
935 break; |
|
936 } |
|
937 } |
|
938 } |
|
939 |
|
940 /* Disable all the interrupts */ |
|
941 ew32(IMC, 0xFFFFFFFF); |
|
942 E1000_WRITE_FLUSH(); |
|
943 msleep(10); |
|
944 |
|
945 /* Unhook test interrupt handler */ |
|
946 free_irq(irq, netdev); |
|
947 |
|
948 return *data; |
|
949 } |
|
950 |
|
951 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
952 { |
|
953 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
954 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
955 struct pci_dev *pdev = adapter->pdev; |
|
956 int i; |
|
957 |
|
958 if (txdr->desc && txdr->buffer_info) { |
|
959 for (i = 0; i < txdr->count; i++) { |
|
960 if (txdr->buffer_info[i].dma) |
|
961 dma_unmap_single(&pdev->dev, |
|
962 txdr->buffer_info[i].dma, |
|
963 txdr->buffer_info[i].length, |
|
964 DMA_TO_DEVICE); |
|
965 if (txdr->buffer_info[i].skb) |
|
966 dev_kfree_skb(txdr->buffer_info[i].skb); |
|
967 } |
|
968 } |
|
969 |
|
970 if (rxdr->desc && rxdr->buffer_info) { |
|
971 for (i = 0; i < rxdr->count; i++) { |
|
972 if (rxdr->buffer_info[i].dma) |
|
973 dma_unmap_single(&pdev->dev, |
|
974 rxdr->buffer_info[i].dma, |
|
975 rxdr->buffer_info[i].length, |
|
976 DMA_FROM_DEVICE); |
|
977 if (rxdr->buffer_info[i].skb) |
|
978 dev_kfree_skb(rxdr->buffer_info[i].skb); |
|
979 } |
|
980 } |
|
981 |
|
982 if (txdr->desc) { |
|
983 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc, |
|
984 txdr->dma); |
|
985 txdr->desc = NULL; |
|
986 } |
|
987 if (rxdr->desc) { |
|
988 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc, |
|
989 rxdr->dma); |
|
990 rxdr->desc = NULL; |
|
991 } |
|
992 |
|
993 kfree(txdr->buffer_info); |
|
994 txdr->buffer_info = NULL; |
|
995 kfree(rxdr->buffer_info); |
|
996 rxdr->buffer_info = NULL; |
|
997 } |
|
998 |
|
999 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1000 { |
|
1001 struct e1000_hw *hw = &adapter->hw; |
|
1002 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1003 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1004 struct pci_dev *pdev = adapter->pdev; |
|
1005 u32 rctl; |
|
1006 int i, ret_val; |
|
1007 |
|
1008 /* Setup Tx descriptor ring and Tx buffers */ |
|
1009 |
|
1010 if (!txdr->count) |
|
1011 txdr->count = E1000_DEFAULT_TXD; |
|
1012 |
|
1013 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer), |
|
1014 GFP_KERNEL); |
|
1015 if (!txdr->buffer_info) { |
|
1016 ret_val = 1; |
|
1017 goto err_nomem; |
|
1018 } |
|
1019 |
|
1020 txdr->size = txdr->count * sizeof(struct e1000_tx_desc); |
|
1021 txdr->size = ALIGN(txdr->size, 4096); |
|
1022 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma, |
|
1023 GFP_KERNEL); |
|
1024 if (!txdr->desc) { |
|
1025 ret_val = 2; |
|
1026 goto err_nomem; |
|
1027 } |
|
1028 txdr->next_to_use = txdr->next_to_clean = 0; |
|
1029 |
|
1030 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF)); |
|
1031 ew32(TDBAH, ((u64)txdr->dma >> 32)); |
|
1032 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc)); |
|
1033 ew32(TDH, 0); |
|
1034 ew32(TDT, 0); |
|
1035 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | |
|
1036 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1037 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1038 |
|
1039 for (i = 0; i < txdr->count; i++) { |
|
1040 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); |
|
1041 struct sk_buff *skb; |
|
1042 unsigned int size = 1024; |
|
1043 |
|
1044 skb = alloc_skb(size, GFP_KERNEL); |
|
1045 if (!skb) { |
|
1046 ret_val = 3; |
|
1047 goto err_nomem; |
|
1048 } |
|
1049 skb_put(skb, size); |
|
1050 txdr->buffer_info[i].skb = skb; |
|
1051 txdr->buffer_info[i].length = skb->len; |
|
1052 txdr->buffer_info[i].dma = |
|
1053 dma_map_single(&pdev->dev, skb->data, skb->len, |
|
1054 DMA_TO_DEVICE); |
|
1055 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) { |
|
1056 ret_val = 4; |
|
1057 goto err_nomem; |
|
1058 } |
|
1059 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); |
|
1060 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1061 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1062 E1000_TXD_CMD_IFCS | |
|
1063 E1000_TXD_CMD_RPS); |
|
1064 tx_desc->upper.data = 0; |
|
1065 } |
|
1066 |
|
1067 /* Setup Rx descriptor ring and Rx buffers */ |
|
1068 |
|
1069 if (!rxdr->count) |
|
1070 rxdr->count = E1000_DEFAULT_RXD; |
|
1071 |
|
1072 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer), |
|
1073 GFP_KERNEL); |
|
1074 if (!rxdr->buffer_info) { |
|
1075 ret_val = 5; |
|
1076 goto err_nomem; |
|
1077 } |
|
1078 |
|
1079 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); |
|
1080 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, |
|
1081 GFP_KERNEL); |
|
1082 if (!rxdr->desc) { |
|
1083 ret_val = 6; |
|
1084 goto err_nomem; |
|
1085 } |
|
1086 rxdr->next_to_use = rxdr->next_to_clean = 0; |
|
1087 |
|
1088 rctl = er32(RCTL); |
|
1089 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1090 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF)); |
|
1091 ew32(RDBAH, ((u64)rxdr->dma >> 32)); |
|
1092 ew32(RDLEN, rxdr->size); |
|
1093 ew32(RDH, 0); |
|
1094 ew32(RDT, 0); |
|
1095 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1096 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1097 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1098 ew32(RCTL, rctl); |
|
1099 |
|
1100 for (i = 0; i < rxdr->count; i++) { |
|
1101 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); |
|
1102 struct sk_buff *skb; |
|
1103 |
|
1104 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1105 if (!skb) { |
|
1106 ret_val = 7; |
|
1107 goto err_nomem; |
|
1108 } |
|
1109 skb_reserve(skb, NET_IP_ALIGN); |
|
1110 rxdr->buffer_info[i].skb = skb; |
|
1111 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; |
|
1112 rxdr->buffer_info[i].dma = |
|
1113 dma_map_single(&pdev->dev, skb->data, |
|
1114 E1000_RXBUFFER_2048, DMA_FROM_DEVICE); |
|
1115 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) { |
|
1116 ret_val = 8; |
|
1117 goto err_nomem; |
|
1118 } |
|
1119 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); |
|
1120 memset(skb->data, 0x00, skb->len); |
|
1121 } |
|
1122 |
|
1123 return 0; |
|
1124 |
|
1125 err_nomem: |
|
1126 e1000_free_desc_rings(adapter); |
|
1127 return ret_val; |
|
1128 } |
|
1129 |
|
1130 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1131 { |
|
1132 struct e1000_hw *hw = &adapter->hw; |
|
1133 |
|
1134 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1135 e1000_write_phy_reg(hw, 29, 0x001F); |
|
1136 e1000_write_phy_reg(hw, 30, 0x8FFC); |
|
1137 e1000_write_phy_reg(hw, 29, 0x001A); |
|
1138 e1000_write_phy_reg(hw, 30, 0x8FF0); |
|
1139 } |
|
1140 |
|
1141 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) |
|
1142 { |
|
1143 struct e1000_hw *hw = &adapter->hw; |
|
1144 u16 phy_reg; |
|
1145 |
|
1146 /* Because we reset the PHY above, we need to re-force TX_CLK in the |
|
1147 * Extended PHY Specific Control Register to 25MHz clock. This |
|
1148 * value defaults back to a 2.5MHz clock when the PHY is reset. |
|
1149 */ |
|
1150 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1151 phy_reg |= M88E1000_EPSCR_TX_CLK_25; |
|
1152 e1000_write_phy_reg(hw, |
|
1153 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); |
|
1154 |
|
1155 /* In addition, because of the s/w reset above, we need to enable |
|
1156 * CRS on TX. This must be set for both full and half duplex |
|
1157 * operation. |
|
1158 */ |
|
1159 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1160 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; |
|
1161 e1000_write_phy_reg(hw, |
|
1162 M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1163 } |
|
1164 |
|
1165 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) |
|
1166 { |
|
1167 struct e1000_hw *hw = &adapter->hw; |
|
1168 u32 ctrl_reg; |
|
1169 u16 phy_reg; |
|
1170 |
|
1171 /* Setup the Device Control Register for PHY loopback test. */ |
|
1172 |
|
1173 ctrl_reg = er32(CTRL); |
|
1174 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ |
|
1175 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1176 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1177 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ |
|
1178 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1179 |
|
1180 ew32(CTRL, ctrl_reg); |
|
1181 |
|
1182 /* Read the PHY Specific Control Register (0x10) */ |
|
1183 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1184 |
|
1185 /* Clear Auto-Crossover bits in PHY Specific Control Register |
|
1186 * (bits 6:5). |
|
1187 */ |
|
1188 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; |
|
1189 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1190 |
|
1191 /* Perform software reset on the PHY */ |
|
1192 e1000_phy_reset(hw); |
|
1193 |
|
1194 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1195 e1000_phy_reset_clk_and_crs(adapter); |
|
1196 |
|
1197 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100); |
|
1198 |
|
1199 /* Wait for reset to complete. */ |
|
1200 udelay(500); |
|
1201 |
|
1202 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1203 e1000_phy_reset_clk_and_crs(adapter); |
|
1204 |
|
1205 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1206 e1000_phy_disable_receiver(adapter); |
|
1207 |
|
1208 /* Set the loopback bit in the PHY control register. */ |
|
1209 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1210 phy_reg |= MII_CR_LOOPBACK; |
|
1211 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1212 |
|
1213 /* Setup TX_CLK and TX_CRS one more time. */ |
|
1214 e1000_phy_reset_clk_and_crs(adapter); |
|
1215 |
|
1216 /* Check Phy Configuration */ |
|
1217 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1218 if (phy_reg != 0x4100) |
|
1219 return 9; |
|
1220 |
|
1221 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1222 if (phy_reg != 0x0070) |
|
1223 return 10; |
|
1224 |
|
1225 e1000_read_phy_reg(hw, 29, &phy_reg); |
|
1226 if (phy_reg != 0x001A) |
|
1227 return 11; |
|
1228 |
|
1229 return 0; |
|
1230 } |
|
1231 |
|
1232 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1233 { |
|
1234 struct e1000_hw *hw = &adapter->hw; |
|
1235 u32 ctrl_reg = 0; |
|
1236 u32 stat_reg = 0; |
|
1237 |
|
1238 hw->autoneg = false; |
|
1239 |
|
1240 if (hw->phy_type == e1000_phy_m88) { |
|
1241 /* Auto-MDI/MDIX Off */ |
|
1242 e1000_write_phy_reg(hw, |
|
1243 M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1244 /* reset to update Auto-MDI/MDIX */ |
|
1245 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140); |
|
1246 /* autoneg off */ |
|
1247 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140); |
|
1248 } |
|
1249 |
|
1250 ctrl_reg = er32(CTRL); |
|
1251 |
|
1252 /* force 1000, set loopback */ |
|
1253 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140); |
|
1254 |
|
1255 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1256 ctrl_reg = er32(CTRL); |
|
1257 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1258 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1259 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1260 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1261 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1262 |
|
1263 if (hw->media_type == e1000_media_type_copper && |
|
1264 hw->phy_type == e1000_phy_m88) |
|
1265 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1266 else { |
|
1267 /* Set the ILOS bit on the fiber Nic is half |
|
1268 * duplex link is detected. |
|
1269 */ |
|
1270 stat_reg = er32(STATUS); |
|
1271 if ((stat_reg & E1000_STATUS_FD) == 0) |
|
1272 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1273 } |
|
1274 |
|
1275 ew32(CTRL, ctrl_reg); |
|
1276 |
|
1277 /* Disable the receiver on the PHY so when a cable is plugged in, the |
|
1278 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1279 */ |
|
1280 if (hw->phy_type == e1000_phy_m88) |
|
1281 e1000_phy_disable_receiver(adapter); |
|
1282 |
|
1283 udelay(500); |
|
1284 |
|
1285 return 0; |
|
1286 } |
|
1287 |
|
1288 static int e1000_set_phy_loopback(struct e1000_adapter *adapter) |
|
1289 { |
|
1290 struct e1000_hw *hw = &adapter->hw; |
|
1291 u16 phy_reg = 0; |
|
1292 u16 count = 0; |
|
1293 |
|
1294 switch (hw->mac_type) { |
|
1295 case e1000_82543: |
|
1296 if (hw->media_type == e1000_media_type_copper) { |
|
1297 /* Attempt to setup Loopback mode on Non-integrated PHY. |
|
1298 * Some PHY registers get corrupted at random, so |
|
1299 * attempt this 10 times. |
|
1300 */ |
|
1301 while (e1000_nonintegrated_phy_loopback(adapter) && |
|
1302 count++ < 10); |
|
1303 if (count < 11) |
|
1304 return 0; |
|
1305 } |
|
1306 break; |
|
1307 |
|
1308 case e1000_82544: |
|
1309 case e1000_82540: |
|
1310 case e1000_82545: |
|
1311 case e1000_82545_rev_3: |
|
1312 case e1000_82546: |
|
1313 case e1000_82546_rev_3: |
|
1314 case e1000_82541: |
|
1315 case e1000_82541_rev_2: |
|
1316 case e1000_82547: |
|
1317 case e1000_82547_rev_2: |
|
1318 return e1000_integrated_phy_loopback(adapter); |
|
1319 break; |
|
1320 default: |
|
1321 /* Default PHY loopback work is to read the MII |
|
1322 * control register and assert bit 14 (loopback mode). |
|
1323 */ |
|
1324 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1325 phy_reg |= MII_CR_LOOPBACK; |
|
1326 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1327 return 0; |
|
1328 break; |
|
1329 } |
|
1330 |
|
1331 return 8; |
|
1332 } |
|
1333 |
|
1334 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1335 { |
|
1336 struct e1000_hw *hw = &adapter->hw; |
|
1337 u32 rctl; |
|
1338 |
|
1339 if (hw->media_type == e1000_media_type_fiber || |
|
1340 hw->media_type == e1000_media_type_internal_serdes) { |
|
1341 switch (hw->mac_type) { |
|
1342 case e1000_82545: |
|
1343 case e1000_82546: |
|
1344 case e1000_82545_rev_3: |
|
1345 case e1000_82546_rev_3: |
|
1346 return e1000_set_phy_loopback(adapter); |
|
1347 break; |
|
1348 default: |
|
1349 rctl = er32(RCTL); |
|
1350 rctl |= E1000_RCTL_LBM_TCVR; |
|
1351 ew32(RCTL, rctl); |
|
1352 return 0; |
|
1353 } |
|
1354 } else if (hw->media_type == e1000_media_type_copper) |
|
1355 return e1000_set_phy_loopback(adapter); |
|
1356 |
|
1357 return 7; |
|
1358 } |
|
1359 |
|
1360 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1361 { |
|
1362 struct e1000_hw *hw = &adapter->hw; |
|
1363 u32 rctl; |
|
1364 u16 phy_reg; |
|
1365 |
|
1366 rctl = er32(RCTL); |
|
1367 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1368 ew32(RCTL, rctl); |
|
1369 |
|
1370 switch (hw->mac_type) { |
|
1371 case e1000_82545: |
|
1372 case e1000_82546: |
|
1373 case e1000_82545_rev_3: |
|
1374 case e1000_82546_rev_3: |
|
1375 default: |
|
1376 hw->autoneg = true; |
|
1377 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1378 if (phy_reg & MII_CR_LOOPBACK) { |
|
1379 phy_reg &= ~MII_CR_LOOPBACK; |
|
1380 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1381 e1000_phy_reset(hw); |
|
1382 } |
|
1383 break; |
|
1384 } |
|
1385 } |
|
1386 |
|
1387 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1388 unsigned int frame_size) |
|
1389 { |
|
1390 memset(skb->data, 0xFF, frame_size); |
|
1391 frame_size &= ~1; |
|
1392 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1393 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1394 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1395 } |
|
1396 |
|
1397 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1398 unsigned int frame_size) |
|
1399 { |
|
1400 frame_size &= ~1; |
|
1401 if (*(skb->data + 3) == 0xFF) { |
|
1402 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1403 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { |
|
1404 return 0; |
|
1405 } |
|
1406 } |
|
1407 return 13; |
|
1408 } |
|
1409 |
|
1410 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1411 { |
|
1412 struct e1000_hw *hw = &adapter->hw; |
|
1413 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1414 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1415 struct pci_dev *pdev = adapter->pdev; |
|
1416 int i, j, k, l, lc, good_cnt, ret_val=0; |
|
1417 unsigned long time; |
|
1418 |
|
1419 ew32(RDT, rxdr->count - 1); |
|
1420 |
|
1421 /* Calculate the loop count based on the largest descriptor ring |
|
1422 * The idea is to wrap the largest ring a number of times using 64 |
|
1423 * send/receive pairs during each loop |
|
1424 */ |
|
1425 |
|
1426 if (rxdr->count <= txdr->count) |
|
1427 lc = ((txdr->count / 64) * 2) + 1; |
|
1428 else |
|
1429 lc = ((rxdr->count / 64) * 2) + 1; |
|
1430 |
|
1431 k = l = 0; |
|
1432 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1433 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1434 e1000_create_lbtest_frame(txdr->buffer_info[i].skb, |
|
1435 1024); |
|
1436 dma_sync_single_for_device(&pdev->dev, |
|
1437 txdr->buffer_info[k].dma, |
|
1438 txdr->buffer_info[k].length, |
|
1439 DMA_TO_DEVICE); |
|
1440 if (unlikely(++k == txdr->count)) k = 0; |
|
1441 } |
|
1442 ew32(TDT, k); |
|
1443 E1000_WRITE_FLUSH(); |
|
1444 msleep(200); |
|
1445 time = jiffies; /* set the start time for the receive */ |
|
1446 good_cnt = 0; |
|
1447 do { /* receive the sent packets */ |
|
1448 dma_sync_single_for_cpu(&pdev->dev, |
|
1449 rxdr->buffer_info[l].dma, |
|
1450 rxdr->buffer_info[l].length, |
|
1451 DMA_FROM_DEVICE); |
|
1452 |
|
1453 ret_val = e1000_check_lbtest_frame( |
|
1454 rxdr->buffer_info[l].skb, |
|
1455 1024); |
|
1456 if (!ret_val) |
|
1457 good_cnt++; |
|
1458 if (unlikely(++l == rxdr->count)) l = 0; |
|
1459 /* time + 20 msecs (200 msecs on 2.4) is more than |
|
1460 * enough time to complete the receives, if it's |
|
1461 * exceeded, break and error off |
|
1462 */ |
|
1463 } while (good_cnt < 64 && time_after(time + 20, jiffies)); |
|
1464 |
|
1465 if (good_cnt != 64) { |
|
1466 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1467 break; |
|
1468 } |
|
1469 if (jiffies >= (time + 2)) { |
|
1470 ret_val = 14; /* error code for time out error */ |
|
1471 break; |
|
1472 } |
|
1473 } /* end loop count loop */ |
|
1474 return ret_val; |
|
1475 } |
|
1476 |
|
1477 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1478 { |
|
1479 *data = e1000_setup_desc_rings(adapter); |
|
1480 if (*data) |
|
1481 goto out; |
|
1482 *data = e1000_setup_loopback_test(adapter); |
|
1483 if (*data) |
|
1484 goto err_loopback; |
|
1485 *data = e1000_run_loopback_test(adapter); |
|
1486 e1000_loopback_cleanup(adapter); |
|
1487 |
|
1488 err_loopback: |
|
1489 e1000_free_desc_rings(adapter); |
|
1490 out: |
|
1491 return *data; |
|
1492 } |
|
1493 |
|
1494 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1495 { |
|
1496 struct e1000_hw *hw = &adapter->hw; |
|
1497 *data = 0; |
|
1498 if (hw->media_type == e1000_media_type_internal_serdes) { |
|
1499 int i = 0; |
|
1500 hw->serdes_has_link = false; |
|
1501 |
|
1502 /* On some blade server designs, link establishment |
|
1503 * could take as long as 2-3 minutes |
|
1504 */ |
|
1505 do { |
|
1506 e1000_check_for_link(hw); |
|
1507 if (hw->serdes_has_link) |
|
1508 return *data; |
|
1509 msleep(20); |
|
1510 } while (i++ < 3750); |
|
1511 |
|
1512 *data = 1; |
|
1513 } else { |
|
1514 e1000_check_for_link(hw); |
|
1515 if (hw->autoneg) /* if auto_neg is set wait for it */ |
|
1516 msleep(4000); |
|
1517 |
|
1518 if (!(er32(STATUS) & E1000_STATUS_LU)) { |
|
1519 *data = 1; |
|
1520 } |
|
1521 } |
|
1522 return *data; |
|
1523 } |
|
1524 |
|
1525 static int e1000_get_sset_count(struct net_device *netdev, int sset) |
|
1526 { |
|
1527 switch (sset) { |
|
1528 case ETH_SS_TEST: |
|
1529 return E1000_TEST_LEN; |
|
1530 case ETH_SS_STATS: |
|
1531 return E1000_STATS_LEN; |
|
1532 default: |
|
1533 return -EOPNOTSUPP; |
|
1534 } |
|
1535 } |
|
1536 |
|
1537 static void e1000_diag_test(struct net_device *netdev, |
|
1538 struct ethtool_test *eth_test, u64 *data) |
|
1539 { |
|
1540 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1541 struct e1000_hw *hw = &adapter->hw; |
|
1542 bool if_running = netif_running(netdev); |
|
1543 |
|
1544 set_bit(__E1000_TESTING, &adapter->flags); |
|
1545 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1546 /* Offline tests */ |
|
1547 |
|
1548 /* save speed, duplex, autoneg settings */ |
|
1549 u16 autoneg_advertised = hw->autoneg_advertised; |
|
1550 u8 forced_speed_duplex = hw->forced_speed_duplex; |
|
1551 u8 autoneg = hw->autoneg; |
|
1552 |
|
1553 e_info(hw, "offline testing starting\n"); |
|
1554 |
|
1555 /* Link test performed before hardware reset so autoneg doesn't |
|
1556 * interfere with test result |
|
1557 */ |
|
1558 if (e1000_link_test(adapter, &data[4])) |
|
1559 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1560 |
|
1561 if (if_running) |
|
1562 /* indicate we're in test mode */ |
|
1563 dev_close(netdev); |
|
1564 else |
|
1565 e1000_reset(adapter); |
|
1566 |
|
1567 if (e1000_reg_test(adapter, &data[0])) |
|
1568 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1569 |
|
1570 e1000_reset(adapter); |
|
1571 if (e1000_eeprom_test(adapter, &data[1])) |
|
1572 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1573 |
|
1574 e1000_reset(adapter); |
|
1575 if (e1000_intr_test(adapter, &data[2])) |
|
1576 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1577 |
|
1578 e1000_reset(adapter); |
|
1579 /* make sure the phy is powered up */ |
|
1580 e1000_power_up_phy(adapter); |
|
1581 if (e1000_loopback_test(adapter, &data[3])) |
|
1582 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1583 |
|
1584 /* restore speed, duplex, autoneg settings */ |
|
1585 hw->autoneg_advertised = autoneg_advertised; |
|
1586 hw->forced_speed_duplex = forced_speed_duplex; |
|
1587 hw->autoneg = autoneg; |
|
1588 |
|
1589 e1000_reset(adapter); |
|
1590 clear_bit(__E1000_TESTING, &adapter->flags); |
|
1591 if (if_running) |
|
1592 dev_open(netdev); |
|
1593 } else { |
|
1594 e_info(hw, "online testing starting\n"); |
|
1595 /* Online tests */ |
|
1596 if (e1000_link_test(adapter, &data[4])) |
|
1597 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1598 |
|
1599 /* Online tests aren't run; pass by default */ |
|
1600 data[0] = 0; |
|
1601 data[1] = 0; |
|
1602 data[2] = 0; |
|
1603 data[3] = 0; |
|
1604 |
|
1605 clear_bit(__E1000_TESTING, &adapter->flags); |
|
1606 } |
|
1607 msleep_interruptible(4 * 1000); |
|
1608 } |
|
1609 |
|
1610 static int e1000_wol_exclusion(struct e1000_adapter *adapter, |
|
1611 struct ethtool_wolinfo *wol) |
|
1612 { |
|
1613 struct e1000_hw *hw = &adapter->hw; |
|
1614 int retval = 1; /* fail by default */ |
|
1615 |
|
1616 switch (hw->device_id) { |
|
1617 case E1000_DEV_ID_82542: |
|
1618 case E1000_DEV_ID_82543GC_FIBER: |
|
1619 case E1000_DEV_ID_82543GC_COPPER: |
|
1620 case E1000_DEV_ID_82544EI_FIBER: |
|
1621 case E1000_DEV_ID_82546EB_QUAD_COPPER: |
|
1622 case E1000_DEV_ID_82545EM_FIBER: |
|
1623 case E1000_DEV_ID_82545EM_COPPER: |
|
1624 case E1000_DEV_ID_82546GB_QUAD_COPPER: |
|
1625 case E1000_DEV_ID_82546GB_PCIE: |
|
1626 /* these don't support WoL at all */ |
|
1627 wol->supported = 0; |
|
1628 break; |
|
1629 case E1000_DEV_ID_82546EB_FIBER: |
|
1630 case E1000_DEV_ID_82546GB_FIBER: |
|
1631 /* Wake events not supported on port B */ |
|
1632 if (er32(STATUS) & E1000_STATUS_FUNC_1) { |
|
1633 wol->supported = 0; |
|
1634 break; |
|
1635 } |
|
1636 /* return success for non excluded adapter ports */ |
|
1637 retval = 0; |
|
1638 break; |
|
1639 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1640 /* quad port adapters only support WoL on port A */ |
|
1641 if (!adapter->quad_port_a) { |
|
1642 wol->supported = 0; |
|
1643 break; |
|
1644 } |
|
1645 /* return success for non excluded adapter ports */ |
|
1646 retval = 0; |
|
1647 break; |
|
1648 default: |
|
1649 /* dual port cards only support WoL on port A from now on |
|
1650 * unless it was enabled in the eeprom for port B |
|
1651 * so exclude FUNC_1 ports from having WoL enabled |
|
1652 */ |
|
1653 if (er32(STATUS) & E1000_STATUS_FUNC_1 && |
|
1654 !adapter->eeprom_wol) { |
|
1655 wol->supported = 0; |
|
1656 break; |
|
1657 } |
|
1658 |
|
1659 retval = 0; |
|
1660 } |
|
1661 |
|
1662 return retval; |
|
1663 } |
|
1664 |
|
1665 static void e1000_get_wol(struct net_device *netdev, |
|
1666 struct ethtool_wolinfo *wol) |
|
1667 { |
|
1668 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1669 struct e1000_hw *hw = &adapter->hw; |
|
1670 |
|
1671 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1672 WAKE_BCAST | WAKE_MAGIC; |
|
1673 wol->wolopts = 0; |
|
1674 |
|
1675 /* this function will set ->supported = 0 and return 1 if wol is not |
|
1676 * supported by this hardware |
|
1677 */ |
|
1678 if (e1000_wol_exclusion(adapter, wol) || |
|
1679 !device_can_wakeup(&adapter->pdev->dev)) |
|
1680 return; |
|
1681 |
|
1682 /* apply any specific unsupported masks here */ |
|
1683 switch (hw->device_id) { |
|
1684 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1685 /* KSP3 does not support UCAST wake-ups */ |
|
1686 wol->supported &= ~WAKE_UCAST; |
|
1687 |
|
1688 if (adapter->wol & E1000_WUFC_EX) |
|
1689 e_err(drv, "Interface does not support directed " |
|
1690 "(unicast) frame wake-up packets\n"); |
|
1691 break; |
|
1692 default: |
|
1693 break; |
|
1694 } |
|
1695 |
|
1696 if (adapter->wol & E1000_WUFC_EX) |
|
1697 wol->wolopts |= WAKE_UCAST; |
|
1698 if (adapter->wol & E1000_WUFC_MC) |
|
1699 wol->wolopts |= WAKE_MCAST; |
|
1700 if (adapter->wol & E1000_WUFC_BC) |
|
1701 wol->wolopts |= WAKE_BCAST; |
|
1702 if (adapter->wol & E1000_WUFC_MAG) |
|
1703 wol->wolopts |= WAKE_MAGIC; |
|
1704 } |
|
1705 |
|
1706 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1707 { |
|
1708 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1709 struct e1000_hw *hw = &adapter->hw; |
|
1710 |
|
1711 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) |
|
1712 return -EOPNOTSUPP; |
|
1713 |
|
1714 if (e1000_wol_exclusion(adapter, wol) || |
|
1715 !device_can_wakeup(&adapter->pdev->dev)) |
|
1716 return wol->wolopts ? -EOPNOTSUPP : 0; |
|
1717 |
|
1718 switch (hw->device_id) { |
|
1719 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1720 if (wol->wolopts & WAKE_UCAST) { |
|
1721 e_err(drv, "Interface does not support directed " |
|
1722 "(unicast) frame wake-up packets\n"); |
|
1723 return -EOPNOTSUPP; |
|
1724 } |
|
1725 break; |
|
1726 default: |
|
1727 break; |
|
1728 } |
|
1729 |
|
1730 /* these settings will always override what we currently have */ |
|
1731 adapter->wol = 0; |
|
1732 |
|
1733 if (wol->wolopts & WAKE_UCAST) |
|
1734 adapter->wol |= E1000_WUFC_EX; |
|
1735 if (wol->wolopts & WAKE_MCAST) |
|
1736 adapter->wol |= E1000_WUFC_MC; |
|
1737 if (wol->wolopts & WAKE_BCAST) |
|
1738 adapter->wol |= E1000_WUFC_BC; |
|
1739 if (wol->wolopts & WAKE_MAGIC) |
|
1740 adapter->wol |= E1000_WUFC_MAG; |
|
1741 |
|
1742 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1743 |
|
1744 return 0; |
|
1745 } |
|
1746 |
|
1747 static int e1000_set_phys_id(struct net_device *netdev, |
|
1748 enum ethtool_phys_id_state state) |
|
1749 { |
|
1750 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1751 struct e1000_hw *hw = &adapter->hw; |
|
1752 |
|
1753 switch (state) { |
|
1754 case ETHTOOL_ID_ACTIVE: |
|
1755 e1000_setup_led(hw); |
|
1756 return 2; |
|
1757 |
|
1758 case ETHTOOL_ID_ON: |
|
1759 e1000_led_on(hw); |
|
1760 break; |
|
1761 |
|
1762 case ETHTOOL_ID_OFF: |
|
1763 e1000_led_off(hw); |
|
1764 break; |
|
1765 |
|
1766 case ETHTOOL_ID_INACTIVE: |
|
1767 e1000_cleanup_led(hw); |
|
1768 } |
|
1769 |
|
1770 return 0; |
|
1771 } |
|
1772 |
|
1773 static int e1000_get_coalesce(struct net_device *netdev, |
|
1774 struct ethtool_coalesce *ec) |
|
1775 { |
|
1776 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1777 |
|
1778 if (adapter->hw.mac_type < e1000_82545) |
|
1779 return -EOPNOTSUPP; |
|
1780 |
|
1781 if (adapter->itr_setting <= 4) |
|
1782 ec->rx_coalesce_usecs = adapter->itr_setting; |
|
1783 else |
|
1784 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1785 |
|
1786 return 0; |
|
1787 } |
|
1788 |
|
1789 static int e1000_set_coalesce(struct net_device *netdev, |
|
1790 struct ethtool_coalesce *ec) |
|
1791 { |
|
1792 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1793 struct e1000_hw *hw = &adapter->hw; |
|
1794 |
|
1795 if (hw->mac_type < e1000_82545) |
|
1796 return -EOPNOTSUPP; |
|
1797 |
|
1798 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
|
1799 ((ec->rx_coalesce_usecs > 4) && |
|
1800 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
|
1801 (ec->rx_coalesce_usecs == 2)) |
|
1802 return -EINVAL; |
|
1803 |
|
1804 if (ec->rx_coalesce_usecs == 4) { |
|
1805 adapter->itr = adapter->itr_setting = 4; |
|
1806 } else if (ec->rx_coalesce_usecs <= 3) { |
|
1807 adapter->itr = 20000; |
|
1808 adapter->itr_setting = ec->rx_coalesce_usecs; |
|
1809 } else { |
|
1810 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1811 adapter->itr_setting = adapter->itr & ~3; |
|
1812 } |
|
1813 |
|
1814 if (adapter->itr_setting != 0) |
|
1815 ew32(ITR, 1000000000 / (adapter->itr * 256)); |
|
1816 else |
|
1817 ew32(ITR, 0); |
|
1818 |
|
1819 return 0; |
|
1820 } |
|
1821 |
|
1822 static int e1000_nway_reset(struct net_device *netdev) |
|
1823 { |
|
1824 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1825 if (netif_running(netdev)) |
|
1826 e1000_reinit_locked(adapter); |
|
1827 return 0; |
|
1828 } |
|
1829 |
|
1830 static void e1000_get_ethtool_stats(struct net_device *netdev, |
|
1831 struct ethtool_stats *stats, u64 *data) |
|
1832 { |
|
1833 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1834 int i; |
|
1835 char *p = NULL; |
|
1836 |
|
1837 e1000_update_stats(adapter); |
|
1838 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1839 switch (e1000_gstrings_stats[i].type) { |
|
1840 case NETDEV_STATS: |
|
1841 p = (char *) netdev + |
|
1842 e1000_gstrings_stats[i].stat_offset; |
|
1843 break; |
|
1844 case E1000_STATS: |
|
1845 p = (char *) adapter + |
|
1846 e1000_gstrings_stats[i].stat_offset; |
|
1847 break; |
|
1848 } |
|
1849 |
|
1850 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
|
1851 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
|
1852 } |
|
1853 /* BUG_ON(i != E1000_STATS_LEN); */ |
|
1854 } |
|
1855 |
|
1856 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
|
1857 u8 *data) |
|
1858 { |
|
1859 u8 *p = data; |
|
1860 int i; |
|
1861 |
|
1862 switch (stringset) { |
|
1863 case ETH_SS_TEST: |
|
1864 memcpy(data, *e1000_gstrings_test, |
|
1865 sizeof(e1000_gstrings_test)); |
|
1866 break; |
|
1867 case ETH_SS_STATS: |
|
1868 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1869 memcpy(p, e1000_gstrings_stats[i].stat_string, |
|
1870 ETH_GSTRING_LEN); |
|
1871 p += ETH_GSTRING_LEN; |
|
1872 } |
|
1873 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ |
|
1874 break; |
|
1875 } |
|
1876 } |
|
1877 |
|
1878 static const struct ethtool_ops e1000_ethtool_ops = { |
|
1879 .get_settings = e1000_get_settings, |
|
1880 .set_settings = e1000_set_settings, |
|
1881 .get_drvinfo = e1000_get_drvinfo, |
|
1882 .get_regs_len = e1000_get_regs_len, |
|
1883 .get_regs = e1000_get_regs, |
|
1884 .get_wol = e1000_get_wol, |
|
1885 .set_wol = e1000_set_wol, |
|
1886 .get_msglevel = e1000_get_msglevel, |
|
1887 .set_msglevel = e1000_set_msglevel, |
|
1888 .nway_reset = e1000_nway_reset, |
|
1889 .get_link = e1000_get_link, |
|
1890 .get_eeprom_len = e1000_get_eeprom_len, |
|
1891 .get_eeprom = e1000_get_eeprom, |
|
1892 .set_eeprom = e1000_set_eeprom, |
|
1893 .get_ringparam = e1000_get_ringparam, |
|
1894 .set_ringparam = e1000_set_ringparam, |
|
1895 .get_pauseparam = e1000_get_pauseparam, |
|
1896 .set_pauseparam = e1000_set_pauseparam, |
|
1897 .self_test = e1000_diag_test, |
|
1898 .get_strings = e1000_get_strings, |
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1899 .set_phys_id = e1000_set_phys_id, |
|
1900 .get_ethtool_stats = e1000_get_ethtool_stats, |
|
1901 .get_sset_count = e1000_get_sset_count, |
|
1902 .get_coalesce = e1000_get_coalesce, |
|
1903 .set_coalesce = e1000_set_coalesce, |
|
1904 .get_ts_info = ethtool_op_get_ts_info, |
|
1905 }; |
|
1906 |
|
1907 void e1000_set_ethtool_ops(struct net_device *netdev) |
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1908 { |
|
1909 netdev->ethtool_ops = &e1000_ethtool_ops; |
|
1910 } |