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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 ecmd->speed = adapter->link_speed; |
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162 |
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163 /* unfortunatly 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 ecmd->speed = -1; |
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172 ecmd->duplex = -1; |
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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 return 0; |
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178 } |
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179 |
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180 static int e1000_set_settings(struct net_device *netdev, |
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181 struct ethtool_cmd *ecmd) |
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182 { |
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183 struct e1000_adapter *adapter = netdev_priv(netdev); |
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184 struct e1000_hw *hw = &adapter->hw; |
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185 |
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186 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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187 msleep(1); |
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188 |
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189 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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190 hw->autoneg = 1; |
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191 if (hw->media_type == e1000_media_type_fiber) |
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192 hw->autoneg_advertised = ADVERTISED_1000baseT_Full | |
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193 ADVERTISED_FIBRE | |
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194 ADVERTISED_Autoneg; |
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195 else |
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196 hw->autoneg_advertised = ecmd->advertising | |
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197 ADVERTISED_TP | |
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198 ADVERTISED_Autoneg; |
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199 ecmd->advertising = hw->autoneg_advertised; |
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200 } else |
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201 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { |
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202 clear_bit(__E1000_RESETTING, &adapter->flags); |
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203 return -EINVAL; |
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204 } |
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205 |
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206 /* reset the link */ |
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207 |
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208 if (netif_running(adapter->netdev)) { |
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209 e1000_down(adapter); |
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210 e1000_up(adapter); |
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211 } else |
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212 e1000_reset(adapter); |
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213 |
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214 clear_bit(__E1000_RESETTING, &adapter->flags); |
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215 return 0; |
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216 } |
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217 |
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218 static u32 e1000_get_link(struct net_device *netdev) |
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219 { |
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220 struct e1000_adapter *adapter = netdev_priv(netdev); |
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221 |
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222 /* |
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223 * If the link is not reported up to netdev, interrupts are disabled, |
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224 * and so the physical link state may have changed since we last |
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225 * looked. Set get_link_status to make sure that the true link |
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226 * state is interrogated, rather than pulling a cached and possibly |
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227 * stale link state from the driver. |
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228 */ |
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229 if (!netif_carrier_ok(netdev)) |
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230 adapter->hw.get_link_status = 1; |
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231 |
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232 return e1000_has_link(adapter); |
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233 } |
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234 |
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235 static void e1000_get_pauseparam(struct net_device *netdev, |
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236 struct ethtool_pauseparam *pause) |
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237 { |
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238 struct e1000_adapter *adapter = netdev_priv(netdev); |
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239 struct e1000_hw *hw = &adapter->hw; |
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240 |
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241 pause->autoneg = |
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242 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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243 |
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244 if (hw->fc == E1000_FC_RX_PAUSE) |
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245 pause->rx_pause = 1; |
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246 else if (hw->fc == E1000_FC_TX_PAUSE) |
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247 pause->tx_pause = 1; |
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248 else if (hw->fc == E1000_FC_FULL) { |
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249 pause->rx_pause = 1; |
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250 pause->tx_pause = 1; |
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251 } |
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252 } |
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253 |
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254 static int e1000_set_pauseparam(struct net_device *netdev, |
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255 struct ethtool_pauseparam *pause) |
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256 { |
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257 struct e1000_adapter *adapter = netdev_priv(netdev); |
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258 struct e1000_hw *hw = &adapter->hw; |
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259 int retval = 0; |
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260 |
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261 adapter->fc_autoneg = pause->autoneg; |
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262 |
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263 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
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264 msleep(1); |
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265 |
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266 if (pause->rx_pause && pause->tx_pause) |
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267 hw->fc = E1000_FC_FULL; |
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268 else if (pause->rx_pause && !pause->tx_pause) |
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269 hw->fc = E1000_FC_RX_PAUSE; |
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270 else if (!pause->rx_pause && pause->tx_pause) |
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271 hw->fc = E1000_FC_TX_PAUSE; |
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272 else if (!pause->rx_pause && !pause->tx_pause) |
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273 hw->fc = E1000_FC_NONE; |
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274 |
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275 hw->original_fc = hw->fc; |
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276 |
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277 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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278 if (netif_running(adapter->netdev)) { |
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279 e1000_down(adapter); |
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280 e1000_up(adapter); |
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281 } else |
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282 e1000_reset(adapter); |
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283 } else |
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284 retval = ((hw->media_type == e1000_media_type_fiber) ? |
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285 e1000_setup_link(hw) : e1000_force_mac_fc(hw)); |
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286 |
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287 clear_bit(__E1000_RESETTING, &adapter->flags); |
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288 return retval; |
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289 } |
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290 |
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291 static u32 e1000_get_rx_csum(struct net_device *netdev) |
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292 { |
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293 struct e1000_adapter *adapter = netdev_priv(netdev); |
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294 return adapter->rx_csum; |
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295 } |
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296 |
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297 static int e1000_set_rx_csum(struct net_device *netdev, u32 data) |
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298 { |
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299 struct e1000_adapter *adapter = netdev_priv(netdev); |
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300 adapter->rx_csum = data; |
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301 |
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302 if (netif_running(netdev)) |
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303 e1000_reinit_locked(adapter); |
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304 else |
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305 e1000_reset(adapter); |
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306 return 0; |
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307 } |
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308 |
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309 static u32 e1000_get_tx_csum(struct net_device *netdev) |
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310 { |
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311 return (netdev->features & NETIF_F_HW_CSUM) != 0; |
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312 } |
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313 |
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314 static int e1000_set_tx_csum(struct net_device *netdev, u32 data) |
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315 { |
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316 struct e1000_adapter *adapter = netdev_priv(netdev); |
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317 struct e1000_hw *hw = &adapter->hw; |
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318 |
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319 if (hw->mac_type < e1000_82543) { |
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320 if (!data) |
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321 return -EINVAL; |
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322 return 0; |
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323 } |
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324 |
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325 if (data) |
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326 netdev->features |= NETIF_F_HW_CSUM; |
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327 else |
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328 netdev->features &= ~NETIF_F_HW_CSUM; |
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329 |
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330 return 0; |
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331 } |
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332 |
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333 static int e1000_set_tso(struct net_device *netdev, u32 data) |
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334 { |
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335 struct e1000_adapter *adapter = netdev_priv(netdev); |
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336 struct e1000_hw *hw = &adapter->hw; |
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337 |
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338 if ((hw->mac_type < e1000_82544) || |
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339 (hw->mac_type == e1000_82547)) |
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340 return data ? -EINVAL : 0; |
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341 |
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342 if (data) |
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343 netdev->features |= NETIF_F_TSO; |
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344 else |
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345 netdev->features &= ~NETIF_F_TSO; |
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346 |
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347 netdev->features &= ~NETIF_F_TSO6; |
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348 |
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349 e_info("TSO is %s\n", data ? "Enabled" : "Disabled"); |
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350 adapter->tso_force = true; |
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351 return 0; |
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352 } |
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353 |
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354 static u32 e1000_get_msglevel(struct net_device *netdev) |
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355 { |
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356 struct e1000_adapter *adapter = netdev_priv(netdev); |
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357 return adapter->msg_enable; |
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358 } |
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359 |
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360 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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361 { |
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362 struct e1000_adapter *adapter = netdev_priv(netdev); |
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363 adapter->msg_enable = data; |
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364 } |
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365 |
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366 static int e1000_get_regs_len(struct net_device *netdev) |
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367 { |
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368 #define E1000_REGS_LEN 32 |
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369 return E1000_REGS_LEN * sizeof(u32); |
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370 } |
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371 |
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372 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs, |
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373 void *p) |
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374 { |
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375 struct e1000_adapter *adapter = netdev_priv(netdev); |
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376 struct e1000_hw *hw = &adapter->hw; |
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377 u32 *regs_buff = p; |
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378 u16 phy_data; |
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379 |
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380 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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381 |
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382 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; |
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383 |
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384 regs_buff[0] = er32(CTRL); |
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385 regs_buff[1] = er32(STATUS); |
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386 |
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387 regs_buff[2] = er32(RCTL); |
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388 regs_buff[3] = er32(RDLEN); |
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389 regs_buff[4] = er32(RDH); |
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390 regs_buff[5] = er32(RDT); |
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391 regs_buff[6] = er32(RDTR); |
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392 |
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393 regs_buff[7] = er32(TCTL); |
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394 regs_buff[8] = er32(TDLEN); |
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395 regs_buff[9] = er32(TDH); |
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396 regs_buff[10] = er32(TDT); |
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397 regs_buff[11] = er32(TIDV); |
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398 |
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399 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */ |
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400 if (hw->phy_type == e1000_phy_igp) { |
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401 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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402 IGP01E1000_PHY_AGC_A); |
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403 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & |
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404 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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405 regs_buff[13] = (u32)phy_data; /* cable length */ |
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406 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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407 IGP01E1000_PHY_AGC_B); |
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408 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & |
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409 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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410 regs_buff[14] = (u32)phy_data; /* cable length */ |
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411 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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412 IGP01E1000_PHY_AGC_C); |
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413 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & |
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414 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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415 regs_buff[15] = (u32)phy_data; /* cable length */ |
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416 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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417 IGP01E1000_PHY_AGC_D); |
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418 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & |
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419 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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420 regs_buff[16] = (u32)phy_data; /* cable length */ |
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421 regs_buff[17] = 0; /* extended 10bt distance (not needed) */ |
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422 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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423 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & |
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424 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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425 regs_buff[18] = (u32)phy_data; /* cable polarity */ |
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426 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, |
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427 IGP01E1000_PHY_PCS_INIT_REG); |
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428 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & |
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429 IGP01E1000_PHY_PAGE_SELECT, &phy_data); |
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430 regs_buff[19] = (u32)phy_data; /* cable polarity */ |
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431 regs_buff[20] = 0; /* polarity correction enabled (always) */ |
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432 regs_buff[22] = 0; /* phy receive errors (unavailable) */ |
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433 regs_buff[23] = regs_buff[18]; /* mdix mode */ |
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434 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); |
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435 } else { |
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436 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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437 regs_buff[13] = (u32)phy_data; /* cable length */ |
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438 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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439 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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440 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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441 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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442 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
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443 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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444 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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445 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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446 /* phy receive errors */ |
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447 regs_buff[22] = adapter->phy_stats.receive_errors; |
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448 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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449 } |
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450 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ |
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451 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); |
|
452 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
|
453 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
|
454 if (hw->mac_type >= e1000_82540 && |
|
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 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG)) |
|
569 e1000_update_eeprom_checksum(hw); |
|
570 |
|
571 kfree(eeprom_buff); |
|
572 return ret_val; |
|
573 } |
|
574 |
|
575 static void e1000_get_drvinfo(struct net_device *netdev, |
|
576 struct ethtool_drvinfo *drvinfo) |
|
577 { |
|
578 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
579 char firmware_version[32]; |
|
580 |
|
581 strncpy(drvinfo->driver, e1000_driver_name, 32); |
|
582 strncpy(drvinfo->version, e1000_driver_version, 32); |
|
583 |
|
584 sprintf(firmware_version, "N/A"); |
|
585 strncpy(drvinfo->fw_version, firmware_version, 32); |
|
586 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); |
|
587 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
588 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
589 } |
|
590 |
|
591 static void e1000_get_ringparam(struct net_device *netdev, |
|
592 struct ethtool_ringparam *ring) |
|
593 { |
|
594 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
595 struct e1000_hw *hw = &adapter->hw; |
|
596 e1000_mac_type mac_type = hw->mac_type; |
|
597 struct e1000_tx_ring *txdr = adapter->tx_ring; |
|
598 struct e1000_rx_ring *rxdr = adapter->rx_ring; |
|
599 |
|
600 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : |
|
601 E1000_MAX_82544_RXD; |
|
602 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : |
|
603 E1000_MAX_82544_TXD; |
|
604 ring->rx_mini_max_pending = 0; |
|
605 ring->rx_jumbo_max_pending = 0; |
|
606 ring->rx_pending = rxdr->count; |
|
607 ring->tx_pending = txdr->count; |
|
608 ring->rx_mini_pending = 0; |
|
609 ring->rx_jumbo_pending = 0; |
|
610 } |
|
611 |
|
612 static int e1000_set_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, *tx_old; |
|
619 struct e1000_rx_ring *rxdr, *rx_old; |
|
620 int i, err; |
|
621 |
|
622 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
623 return -EINVAL; |
|
624 |
|
625 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) |
|
626 msleep(1); |
|
627 |
|
628 if (netif_running(adapter->netdev)) |
|
629 e1000_down(adapter); |
|
630 |
|
631 tx_old = adapter->tx_ring; |
|
632 rx_old = adapter->rx_ring; |
|
633 |
|
634 err = -ENOMEM; |
|
635 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL); |
|
636 if (!txdr) |
|
637 goto err_alloc_tx; |
|
638 |
|
639 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL); |
|
640 if (!rxdr) |
|
641 goto err_alloc_rx; |
|
642 |
|
643 adapter->tx_ring = txdr; |
|
644 adapter->rx_ring = rxdr; |
|
645 |
|
646 rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD); |
|
647 rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ? |
|
648 E1000_MAX_RXD : E1000_MAX_82544_RXD)); |
|
649 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
650 |
|
651 txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD); |
|
652 txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ? |
|
653 E1000_MAX_TXD : E1000_MAX_82544_TXD)); |
|
654 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
655 |
|
656 for (i = 0; i < adapter->num_tx_queues; i++) |
|
657 txdr[i].count = txdr->count; |
|
658 for (i = 0; i < adapter->num_rx_queues; i++) |
|
659 rxdr[i].count = rxdr->count; |
|
660 |
|
661 if (netif_running(adapter->netdev)) { |
|
662 /* Try to get new resources before deleting old */ |
|
663 err = e1000_setup_all_rx_resources(adapter); |
|
664 if (err) |
|
665 goto err_setup_rx; |
|
666 err = e1000_setup_all_tx_resources(adapter); |
|
667 if (err) |
|
668 goto err_setup_tx; |
|
669 |
|
670 /* save the new, restore the old in order to free it, |
|
671 * then restore the new back again */ |
|
672 |
|
673 adapter->rx_ring = rx_old; |
|
674 adapter->tx_ring = tx_old; |
|
675 e1000_free_all_rx_resources(adapter); |
|
676 e1000_free_all_tx_resources(adapter); |
|
677 kfree(tx_old); |
|
678 kfree(rx_old); |
|
679 adapter->rx_ring = rxdr; |
|
680 adapter->tx_ring = txdr; |
|
681 err = e1000_up(adapter); |
|
682 if (err) |
|
683 goto err_setup; |
|
684 } |
|
685 |
|
686 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
687 return 0; |
|
688 err_setup_tx: |
|
689 e1000_free_all_rx_resources(adapter); |
|
690 err_setup_rx: |
|
691 adapter->rx_ring = rx_old; |
|
692 adapter->tx_ring = tx_old; |
|
693 kfree(rxdr); |
|
694 err_alloc_rx: |
|
695 kfree(txdr); |
|
696 err_alloc_tx: |
|
697 e1000_up(adapter); |
|
698 err_setup: |
|
699 clear_bit(__E1000_RESETTING, &adapter->flags); |
|
700 return err; |
|
701 } |
|
702 |
|
703 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg, |
|
704 u32 mask, u32 write) |
|
705 { |
|
706 struct e1000_hw *hw = &adapter->hw; |
|
707 static const u32 test[] = |
|
708 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
709 u8 __iomem *address = hw->hw_addr + reg; |
|
710 u32 read; |
|
711 int i; |
|
712 |
|
713 for (i = 0; i < ARRAY_SIZE(test); i++) { |
|
714 writel(write & test[i], address); |
|
715 read = readl(address); |
|
716 if (read != (write & test[i] & mask)) { |
|
717 e_info("pattern test reg %04X failed: " |
|
718 "got 0x%08X expected 0x%08X\n", |
|
719 reg, read, (write & test[i] & mask)); |
|
720 *data = reg; |
|
721 return true; |
|
722 } |
|
723 } |
|
724 return false; |
|
725 } |
|
726 |
|
727 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg, |
|
728 u32 mask, u32 write) |
|
729 { |
|
730 struct e1000_hw *hw = &adapter->hw; |
|
731 u8 __iomem *address = hw->hw_addr + reg; |
|
732 u32 read; |
|
733 |
|
734 writel(write & mask, address); |
|
735 read = readl(address); |
|
736 if ((read & mask) != (write & mask)) { |
|
737 e_err("set/check reg %04X test failed: " |
|
738 "got 0x%08X expected 0x%08X\n", |
|
739 reg, (read & mask), (write & mask)); |
|
740 *data = reg; |
|
741 return true; |
|
742 } |
|
743 return false; |
|
744 } |
|
745 |
|
746 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
747 do { \ |
|
748 if (reg_pattern_test(adapter, data, \ |
|
749 (hw->mac_type >= e1000_82543) \ |
|
750 ? E1000_##reg : E1000_82542_##reg, \ |
|
751 mask, write)) \ |
|
752 return 1; \ |
|
753 } while (0) |
|
754 |
|
755 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
756 do { \ |
|
757 if (reg_set_and_check(adapter, data, \ |
|
758 (hw->mac_type >= e1000_82543) \ |
|
759 ? E1000_##reg : E1000_82542_##reg, \ |
|
760 mask, write)) \ |
|
761 return 1; \ |
|
762 } while (0) |
|
763 |
|
764 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
765 { |
|
766 u32 value, before, after; |
|
767 u32 i, toggle; |
|
768 struct e1000_hw *hw = &adapter->hw; |
|
769 |
|
770 /* The status register is Read Only, so a write should fail. |
|
771 * Some bits that get toggled are ignored. |
|
772 */ |
|
773 |
|
774 /* there are several bits on newer hardware that are r/w */ |
|
775 toggle = 0xFFFFF833; |
|
776 |
|
777 before = er32(STATUS); |
|
778 value = (er32(STATUS) & toggle); |
|
779 ew32(STATUS, toggle); |
|
780 after = er32(STATUS) & toggle; |
|
781 if (value != after) { |
|
782 e_err("failed STATUS register test got: " |
|
783 "0x%08X expected: 0x%08X\n", after, value); |
|
784 *data = 1; |
|
785 return 1; |
|
786 } |
|
787 /* restore previous status */ |
|
788 ew32(STATUS, before); |
|
789 |
|
790 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
791 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
792 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
793 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); |
|
794 |
|
795 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
796 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
797 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); |
|
798 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); |
|
799 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); |
|
800 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
801 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
802 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
803 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
804 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); |
|
805 |
|
806 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); |
|
807 |
|
808 before = 0x06DFB3FE; |
|
809 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); |
|
810 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); |
|
811 |
|
812 if (hw->mac_type >= e1000_82543) { |
|
813 |
|
814 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF); |
|
815 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
816 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); |
|
817 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
818 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); |
|
819 value = E1000_RAR_ENTRIES; |
|
820 for (i = 0; i < value; i++) { |
|
821 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, |
|
822 0xFFFFFFFF); |
|
823 } |
|
824 |
|
825 } else { |
|
826 |
|
827 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); |
|
828 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
829 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); |
|
830 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); |
|
831 |
|
832 } |
|
833 |
|
834 value = E1000_MC_TBL_SIZE; |
|
835 for (i = 0; i < value; i++) |
|
836 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); |
|
837 |
|
838 *data = 0; |
|
839 return 0; |
|
840 } |
|
841 |
|
842 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
843 { |
|
844 struct e1000_hw *hw = &adapter->hw; |
|
845 u16 temp; |
|
846 u16 checksum = 0; |
|
847 u16 i; |
|
848 |
|
849 *data = 0; |
|
850 /* Read and add up the contents of the EEPROM */ |
|
851 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { |
|
852 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) { |
|
853 *data = 1; |
|
854 break; |
|
855 } |
|
856 checksum += temp; |
|
857 } |
|
858 |
|
859 /* If Checksum is not Correct return error else test passed */ |
|
860 if ((checksum != (u16)EEPROM_SUM) && !(*data)) |
|
861 *data = 2; |
|
862 |
|
863 return *data; |
|
864 } |
|
865 |
|
866 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
867 { |
|
868 struct net_device *netdev = (struct net_device *)data; |
|
869 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
870 struct e1000_hw *hw = &adapter->hw; |
|
871 |
|
872 adapter->test_icr |= er32(ICR); |
|
873 |
|
874 return IRQ_HANDLED; |
|
875 } |
|
876 |
|
877 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
878 { |
|
879 struct net_device *netdev = adapter->netdev; |
|
880 u32 mask, i = 0; |
|
881 bool shared_int = true; |
|
882 u32 irq = adapter->pdev->irq; |
|
883 struct e1000_hw *hw = &adapter->hw; |
|
884 |
|
885 *data = 0; |
|
886 |
|
887 /* NOTE: we don't test MSI interrupts here, yet */ |
|
888 /* Hook up test interrupt handler just for this test */ |
|
889 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
890 netdev)) |
|
891 shared_int = false; |
|
892 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, |
|
893 netdev->name, netdev)) { |
|
894 *data = 1; |
|
895 return -1; |
|
896 } |
|
897 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); |
|
898 |
|
899 /* Disable all the interrupts */ |
|
900 ew32(IMC, 0xFFFFFFFF); |
|
901 msleep(10); |
|
902 |
|
903 /* Test each interrupt */ |
|
904 for (; i < 10; i++) { |
|
905 |
|
906 /* Interrupt to test */ |
|
907 mask = 1 << i; |
|
908 |
|
909 if (!shared_int) { |
|
910 /* Disable the interrupt to be reported in |
|
911 * the cause register and then force the same |
|
912 * interrupt and see if one gets posted. If |
|
913 * an interrupt was posted to the bus, the |
|
914 * test failed. |
|
915 */ |
|
916 adapter->test_icr = 0; |
|
917 ew32(IMC, mask); |
|
918 ew32(ICS, mask); |
|
919 msleep(10); |
|
920 |
|
921 if (adapter->test_icr & mask) { |
|
922 *data = 3; |
|
923 break; |
|
924 } |
|
925 } |
|
926 |
|
927 /* Enable the interrupt to be reported in |
|
928 * the cause register and then force the same |
|
929 * interrupt and see if one gets posted. If |
|
930 * an interrupt was not posted to the bus, the |
|
931 * test failed. |
|
932 */ |
|
933 adapter->test_icr = 0; |
|
934 ew32(IMS, mask); |
|
935 ew32(ICS, mask); |
|
936 msleep(10); |
|
937 |
|
938 if (!(adapter->test_icr & mask)) { |
|
939 *data = 4; |
|
940 break; |
|
941 } |
|
942 |
|
943 if (!shared_int) { |
|
944 /* Disable the other interrupts to be reported in |
|
945 * the cause register and then force the other |
|
946 * interrupts and see if any get posted. If |
|
947 * an interrupt was posted to the bus, the |
|
948 * test failed. |
|
949 */ |
|
950 adapter->test_icr = 0; |
|
951 ew32(IMC, ~mask & 0x00007FFF); |
|
952 ew32(ICS, ~mask & 0x00007FFF); |
|
953 msleep(10); |
|
954 |
|
955 if (adapter->test_icr) { |
|
956 *data = 5; |
|
957 break; |
|
958 } |
|
959 } |
|
960 } |
|
961 |
|
962 /* Disable all the interrupts */ |
|
963 ew32(IMC, 0xFFFFFFFF); |
|
964 msleep(10); |
|
965 |
|
966 /* Unhook test interrupt handler */ |
|
967 free_irq(irq, netdev); |
|
968 |
|
969 return *data; |
|
970 } |
|
971 |
|
972 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
973 { |
|
974 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
975 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
976 struct pci_dev *pdev = adapter->pdev; |
|
977 int i; |
|
978 |
|
979 if (txdr->desc && txdr->buffer_info) { |
|
980 for (i = 0; i < txdr->count; i++) { |
|
981 if (txdr->buffer_info[i].dma) |
|
982 dma_unmap_single(&pdev->dev, |
|
983 txdr->buffer_info[i].dma, |
|
984 txdr->buffer_info[i].length, |
|
985 DMA_TO_DEVICE); |
|
986 if (txdr->buffer_info[i].skb) |
|
987 dev_kfree_skb(txdr->buffer_info[i].skb); |
|
988 } |
|
989 } |
|
990 |
|
991 if (rxdr->desc && rxdr->buffer_info) { |
|
992 for (i = 0; i < rxdr->count; i++) { |
|
993 if (rxdr->buffer_info[i].dma) |
|
994 dma_unmap_single(&pdev->dev, |
|
995 rxdr->buffer_info[i].dma, |
|
996 rxdr->buffer_info[i].length, |
|
997 DMA_FROM_DEVICE); |
|
998 if (rxdr->buffer_info[i].skb) |
|
999 dev_kfree_skb(rxdr->buffer_info[i].skb); |
|
1000 } |
|
1001 } |
|
1002 |
|
1003 if (txdr->desc) { |
|
1004 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc, |
|
1005 txdr->dma); |
|
1006 txdr->desc = NULL; |
|
1007 } |
|
1008 if (rxdr->desc) { |
|
1009 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc, |
|
1010 rxdr->dma); |
|
1011 rxdr->desc = NULL; |
|
1012 } |
|
1013 |
|
1014 kfree(txdr->buffer_info); |
|
1015 txdr->buffer_info = NULL; |
|
1016 kfree(rxdr->buffer_info); |
|
1017 rxdr->buffer_info = NULL; |
|
1018 } |
|
1019 |
|
1020 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1021 { |
|
1022 struct e1000_hw *hw = &adapter->hw; |
|
1023 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1024 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1025 struct pci_dev *pdev = adapter->pdev; |
|
1026 u32 rctl; |
|
1027 int i, ret_val; |
|
1028 |
|
1029 /* Setup Tx descriptor ring and Tx buffers */ |
|
1030 |
|
1031 if (!txdr->count) |
|
1032 txdr->count = E1000_DEFAULT_TXD; |
|
1033 |
|
1034 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer), |
|
1035 GFP_KERNEL); |
|
1036 if (!txdr->buffer_info) { |
|
1037 ret_val = 1; |
|
1038 goto err_nomem; |
|
1039 } |
|
1040 |
|
1041 txdr->size = txdr->count * sizeof(struct e1000_tx_desc); |
|
1042 txdr->size = ALIGN(txdr->size, 4096); |
|
1043 txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma, |
|
1044 GFP_KERNEL); |
|
1045 if (!txdr->desc) { |
|
1046 ret_val = 2; |
|
1047 goto err_nomem; |
|
1048 } |
|
1049 memset(txdr->desc, 0, txdr->size); |
|
1050 txdr->next_to_use = txdr->next_to_clean = 0; |
|
1051 |
|
1052 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF)); |
|
1053 ew32(TDBAH, ((u64)txdr->dma >> 32)); |
|
1054 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc)); |
|
1055 ew32(TDH, 0); |
|
1056 ew32(TDT, 0); |
|
1057 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | |
|
1058 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1059 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1060 |
|
1061 for (i = 0; i < txdr->count; i++) { |
|
1062 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); |
|
1063 struct sk_buff *skb; |
|
1064 unsigned int size = 1024; |
|
1065 |
|
1066 skb = alloc_skb(size, GFP_KERNEL); |
|
1067 if (!skb) { |
|
1068 ret_val = 3; |
|
1069 goto err_nomem; |
|
1070 } |
|
1071 skb_put(skb, size); |
|
1072 txdr->buffer_info[i].skb = skb; |
|
1073 txdr->buffer_info[i].length = skb->len; |
|
1074 txdr->buffer_info[i].dma = |
|
1075 dma_map_single(&pdev->dev, skb->data, skb->len, |
|
1076 DMA_TO_DEVICE); |
|
1077 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); |
|
1078 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1079 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1080 E1000_TXD_CMD_IFCS | |
|
1081 E1000_TXD_CMD_RPS); |
|
1082 tx_desc->upper.data = 0; |
|
1083 } |
|
1084 |
|
1085 /* Setup Rx descriptor ring and Rx buffers */ |
|
1086 |
|
1087 if (!rxdr->count) |
|
1088 rxdr->count = E1000_DEFAULT_RXD; |
|
1089 |
|
1090 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer), |
|
1091 GFP_KERNEL); |
|
1092 if (!rxdr->buffer_info) { |
|
1093 ret_val = 4; |
|
1094 goto err_nomem; |
|
1095 } |
|
1096 |
|
1097 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); |
|
1098 rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma, |
|
1099 GFP_KERNEL); |
|
1100 if (!rxdr->desc) { |
|
1101 ret_val = 5; |
|
1102 goto err_nomem; |
|
1103 } |
|
1104 memset(rxdr->desc, 0, rxdr->size); |
|
1105 rxdr->next_to_use = rxdr->next_to_clean = 0; |
|
1106 |
|
1107 rctl = er32(RCTL); |
|
1108 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1109 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF)); |
|
1110 ew32(RDBAH, ((u64)rxdr->dma >> 32)); |
|
1111 ew32(RDLEN, rxdr->size); |
|
1112 ew32(RDH, 0); |
|
1113 ew32(RDT, 0); |
|
1114 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1115 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1116 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1117 ew32(RCTL, rctl); |
|
1118 |
|
1119 for (i = 0; i < rxdr->count; i++) { |
|
1120 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); |
|
1121 struct sk_buff *skb; |
|
1122 |
|
1123 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1124 if (!skb) { |
|
1125 ret_val = 6; |
|
1126 goto err_nomem; |
|
1127 } |
|
1128 skb_reserve(skb, NET_IP_ALIGN); |
|
1129 rxdr->buffer_info[i].skb = skb; |
|
1130 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; |
|
1131 rxdr->buffer_info[i].dma = |
|
1132 dma_map_single(&pdev->dev, skb->data, |
|
1133 E1000_RXBUFFER_2048, DMA_FROM_DEVICE); |
|
1134 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); |
|
1135 memset(skb->data, 0x00, skb->len); |
|
1136 } |
|
1137 |
|
1138 return 0; |
|
1139 |
|
1140 err_nomem: |
|
1141 e1000_free_desc_rings(adapter); |
|
1142 return ret_val; |
|
1143 } |
|
1144 |
|
1145 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1146 { |
|
1147 struct e1000_hw *hw = &adapter->hw; |
|
1148 |
|
1149 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1150 e1000_write_phy_reg(hw, 29, 0x001F); |
|
1151 e1000_write_phy_reg(hw, 30, 0x8FFC); |
|
1152 e1000_write_phy_reg(hw, 29, 0x001A); |
|
1153 e1000_write_phy_reg(hw, 30, 0x8FF0); |
|
1154 } |
|
1155 |
|
1156 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) |
|
1157 { |
|
1158 struct e1000_hw *hw = &adapter->hw; |
|
1159 u16 phy_reg; |
|
1160 |
|
1161 /* Because we reset the PHY above, we need to re-force TX_CLK in the |
|
1162 * Extended PHY Specific Control Register to 25MHz clock. This |
|
1163 * value defaults back to a 2.5MHz clock when the PHY is reset. |
|
1164 */ |
|
1165 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1166 phy_reg |= M88E1000_EPSCR_TX_CLK_25; |
|
1167 e1000_write_phy_reg(hw, |
|
1168 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); |
|
1169 |
|
1170 /* In addition, because of the s/w reset above, we need to enable |
|
1171 * CRS on TX. This must be set for both full and half duplex |
|
1172 * operation. |
|
1173 */ |
|
1174 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1175 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; |
|
1176 e1000_write_phy_reg(hw, |
|
1177 M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1178 } |
|
1179 |
|
1180 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) |
|
1181 { |
|
1182 struct e1000_hw *hw = &adapter->hw; |
|
1183 u32 ctrl_reg; |
|
1184 u16 phy_reg; |
|
1185 |
|
1186 /* Setup the Device Control Register for PHY loopback test. */ |
|
1187 |
|
1188 ctrl_reg = er32(CTRL); |
|
1189 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ |
|
1190 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1191 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1192 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ |
|
1193 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1194 |
|
1195 ew32(CTRL, ctrl_reg); |
|
1196 |
|
1197 /* Read the PHY Specific Control Register (0x10) */ |
|
1198 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); |
|
1199 |
|
1200 /* Clear Auto-Crossover bits in PHY Specific Control Register |
|
1201 * (bits 6:5). |
|
1202 */ |
|
1203 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; |
|
1204 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg); |
|
1205 |
|
1206 /* Perform software reset on the PHY */ |
|
1207 e1000_phy_reset(hw); |
|
1208 |
|
1209 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1210 e1000_phy_reset_clk_and_crs(adapter); |
|
1211 |
|
1212 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100); |
|
1213 |
|
1214 /* Wait for reset to complete. */ |
|
1215 udelay(500); |
|
1216 |
|
1217 /* Have to setup TX_CLK and TX_CRS after software reset */ |
|
1218 e1000_phy_reset_clk_and_crs(adapter); |
|
1219 |
|
1220 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1221 e1000_phy_disable_receiver(adapter); |
|
1222 |
|
1223 /* Set the loopback bit in the PHY control register. */ |
|
1224 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1225 phy_reg |= MII_CR_LOOPBACK; |
|
1226 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1227 |
|
1228 /* Setup TX_CLK and TX_CRS one more time. */ |
|
1229 e1000_phy_reset_clk_and_crs(adapter); |
|
1230 |
|
1231 /* Check Phy Configuration */ |
|
1232 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1233 if (phy_reg != 0x4100) |
|
1234 return 9; |
|
1235 |
|
1236 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); |
|
1237 if (phy_reg != 0x0070) |
|
1238 return 10; |
|
1239 |
|
1240 e1000_read_phy_reg(hw, 29, &phy_reg); |
|
1241 if (phy_reg != 0x001A) |
|
1242 return 11; |
|
1243 |
|
1244 return 0; |
|
1245 } |
|
1246 |
|
1247 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1248 { |
|
1249 struct e1000_hw *hw = &adapter->hw; |
|
1250 u32 ctrl_reg = 0; |
|
1251 u32 stat_reg = 0; |
|
1252 |
|
1253 hw->autoneg = false; |
|
1254 |
|
1255 if (hw->phy_type == e1000_phy_m88) { |
|
1256 /* Auto-MDI/MDIX Off */ |
|
1257 e1000_write_phy_reg(hw, |
|
1258 M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1259 /* reset to update Auto-MDI/MDIX */ |
|
1260 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140); |
|
1261 /* autoneg off */ |
|
1262 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140); |
|
1263 } |
|
1264 |
|
1265 ctrl_reg = er32(CTRL); |
|
1266 |
|
1267 /* force 1000, set loopback */ |
|
1268 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140); |
|
1269 |
|
1270 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1271 ctrl_reg = er32(CTRL); |
|
1272 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1273 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1274 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1275 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1276 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1277 |
|
1278 if (hw->media_type == e1000_media_type_copper && |
|
1279 hw->phy_type == e1000_phy_m88) |
|
1280 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1281 else { |
|
1282 /* Set the ILOS bit on the fiber Nic is half |
|
1283 * duplex link is detected. */ |
|
1284 stat_reg = er32(STATUS); |
|
1285 if ((stat_reg & E1000_STATUS_FD) == 0) |
|
1286 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1287 } |
|
1288 |
|
1289 ew32(CTRL, ctrl_reg); |
|
1290 |
|
1291 /* Disable the receiver on the PHY so when a cable is plugged in, the |
|
1292 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1293 */ |
|
1294 if (hw->phy_type == e1000_phy_m88) |
|
1295 e1000_phy_disable_receiver(adapter); |
|
1296 |
|
1297 udelay(500); |
|
1298 |
|
1299 return 0; |
|
1300 } |
|
1301 |
|
1302 static int e1000_set_phy_loopback(struct e1000_adapter *adapter) |
|
1303 { |
|
1304 struct e1000_hw *hw = &adapter->hw; |
|
1305 u16 phy_reg = 0; |
|
1306 u16 count = 0; |
|
1307 |
|
1308 switch (hw->mac_type) { |
|
1309 case e1000_82543: |
|
1310 if (hw->media_type == e1000_media_type_copper) { |
|
1311 /* Attempt to setup Loopback mode on Non-integrated PHY. |
|
1312 * Some PHY registers get corrupted at random, so |
|
1313 * attempt this 10 times. |
|
1314 */ |
|
1315 while (e1000_nonintegrated_phy_loopback(adapter) && |
|
1316 count++ < 10); |
|
1317 if (count < 11) |
|
1318 return 0; |
|
1319 } |
|
1320 break; |
|
1321 |
|
1322 case e1000_82544: |
|
1323 case e1000_82540: |
|
1324 case e1000_82545: |
|
1325 case e1000_82545_rev_3: |
|
1326 case e1000_82546: |
|
1327 case e1000_82546_rev_3: |
|
1328 case e1000_82541: |
|
1329 case e1000_82541_rev_2: |
|
1330 case e1000_82547: |
|
1331 case e1000_82547_rev_2: |
|
1332 return e1000_integrated_phy_loopback(adapter); |
|
1333 break; |
|
1334 default: |
|
1335 /* Default PHY loopback work is to read the MII |
|
1336 * control register and assert bit 14 (loopback mode). |
|
1337 */ |
|
1338 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1339 phy_reg |= MII_CR_LOOPBACK; |
|
1340 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1341 return 0; |
|
1342 break; |
|
1343 } |
|
1344 |
|
1345 return 8; |
|
1346 } |
|
1347 |
|
1348 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1349 { |
|
1350 struct e1000_hw *hw = &adapter->hw; |
|
1351 u32 rctl; |
|
1352 |
|
1353 if (hw->media_type == e1000_media_type_fiber || |
|
1354 hw->media_type == e1000_media_type_internal_serdes) { |
|
1355 switch (hw->mac_type) { |
|
1356 case e1000_82545: |
|
1357 case e1000_82546: |
|
1358 case e1000_82545_rev_3: |
|
1359 case e1000_82546_rev_3: |
|
1360 return e1000_set_phy_loopback(adapter); |
|
1361 break; |
|
1362 default: |
|
1363 rctl = er32(RCTL); |
|
1364 rctl |= E1000_RCTL_LBM_TCVR; |
|
1365 ew32(RCTL, rctl); |
|
1366 return 0; |
|
1367 } |
|
1368 } else if (hw->media_type == e1000_media_type_copper) |
|
1369 return e1000_set_phy_loopback(adapter); |
|
1370 |
|
1371 return 7; |
|
1372 } |
|
1373 |
|
1374 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1375 { |
|
1376 struct e1000_hw *hw = &adapter->hw; |
|
1377 u32 rctl; |
|
1378 u16 phy_reg; |
|
1379 |
|
1380 rctl = er32(RCTL); |
|
1381 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1382 ew32(RCTL, rctl); |
|
1383 |
|
1384 switch (hw->mac_type) { |
|
1385 case e1000_82545: |
|
1386 case e1000_82546: |
|
1387 case e1000_82545_rev_3: |
|
1388 case e1000_82546_rev_3: |
|
1389 default: |
|
1390 hw->autoneg = true; |
|
1391 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); |
|
1392 if (phy_reg & MII_CR_LOOPBACK) { |
|
1393 phy_reg &= ~MII_CR_LOOPBACK; |
|
1394 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); |
|
1395 e1000_phy_reset(hw); |
|
1396 } |
|
1397 break; |
|
1398 } |
|
1399 } |
|
1400 |
|
1401 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1402 unsigned int frame_size) |
|
1403 { |
|
1404 memset(skb->data, 0xFF, frame_size); |
|
1405 frame_size &= ~1; |
|
1406 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1407 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1408 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1409 } |
|
1410 |
|
1411 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1412 unsigned int frame_size) |
|
1413 { |
|
1414 frame_size &= ~1; |
|
1415 if (*(skb->data + 3) == 0xFF) { |
|
1416 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1417 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { |
|
1418 return 0; |
|
1419 } |
|
1420 } |
|
1421 return 13; |
|
1422 } |
|
1423 |
|
1424 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1425 { |
|
1426 struct e1000_hw *hw = &adapter->hw; |
|
1427 struct e1000_tx_ring *txdr = &adapter->test_tx_ring; |
|
1428 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; |
|
1429 struct pci_dev *pdev = adapter->pdev; |
|
1430 int i, j, k, l, lc, good_cnt, ret_val=0; |
|
1431 unsigned long time; |
|
1432 |
|
1433 ew32(RDT, rxdr->count - 1); |
|
1434 |
|
1435 /* Calculate the loop count based on the largest descriptor ring |
|
1436 * The idea is to wrap the largest ring a number of times using 64 |
|
1437 * send/receive pairs during each loop |
|
1438 */ |
|
1439 |
|
1440 if (rxdr->count <= txdr->count) |
|
1441 lc = ((txdr->count / 64) * 2) + 1; |
|
1442 else |
|
1443 lc = ((rxdr->count / 64) * 2) + 1; |
|
1444 |
|
1445 k = l = 0; |
|
1446 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1447 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1448 e1000_create_lbtest_frame(txdr->buffer_info[i].skb, |
|
1449 1024); |
|
1450 dma_sync_single_for_device(&pdev->dev, |
|
1451 txdr->buffer_info[k].dma, |
|
1452 txdr->buffer_info[k].length, |
|
1453 DMA_TO_DEVICE); |
|
1454 if (unlikely(++k == txdr->count)) k = 0; |
|
1455 } |
|
1456 ew32(TDT, k); |
|
1457 msleep(200); |
|
1458 time = jiffies; /* set the start time for the receive */ |
|
1459 good_cnt = 0; |
|
1460 do { /* receive the sent packets */ |
|
1461 dma_sync_single_for_cpu(&pdev->dev, |
|
1462 rxdr->buffer_info[l].dma, |
|
1463 rxdr->buffer_info[l].length, |
|
1464 DMA_FROM_DEVICE); |
|
1465 |
|
1466 ret_val = e1000_check_lbtest_frame( |
|
1467 rxdr->buffer_info[l].skb, |
|
1468 1024); |
|
1469 if (!ret_val) |
|
1470 good_cnt++; |
|
1471 if (unlikely(++l == rxdr->count)) l = 0; |
|
1472 /* time + 20 msecs (200 msecs on 2.4) is more than |
|
1473 * enough time to complete the receives, if it's |
|
1474 * exceeded, break and error off |
|
1475 */ |
|
1476 } while (good_cnt < 64 && jiffies < (time + 20)); |
|
1477 if (good_cnt != 64) { |
|
1478 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1479 break; |
|
1480 } |
|
1481 if (jiffies >= (time + 2)) { |
|
1482 ret_val = 14; /* error code for time out error */ |
|
1483 break; |
|
1484 } |
|
1485 } /* end loop count loop */ |
|
1486 return ret_val; |
|
1487 } |
|
1488 |
|
1489 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1490 { |
|
1491 *data = e1000_setup_desc_rings(adapter); |
|
1492 if (*data) |
|
1493 goto out; |
|
1494 *data = e1000_setup_loopback_test(adapter); |
|
1495 if (*data) |
|
1496 goto err_loopback; |
|
1497 *data = e1000_run_loopback_test(adapter); |
|
1498 e1000_loopback_cleanup(adapter); |
|
1499 |
|
1500 err_loopback: |
|
1501 e1000_free_desc_rings(adapter); |
|
1502 out: |
|
1503 return *data; |
|
1504 } |
|
1505 |
|
1506 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1507 { |
|
1508 struct e1000_hw *hw = &adapter->hw; |
|
1509 *data = 0; |
|
1510 if (hw->media_type == e1000_media_type_internal_serdes) { |
|
1511 int i = 0; |
|
1512 hw->serdes_has_link = false; |
|
1513 |
|
1514 /* On some blade server designs, link establishment |
|
1515 * could take as long as 2-3 minutes */ |
|
1516 do { |
|
1517 e1000_check_for_link(hw); |
|
1518 if (hw->serdes_has_link) |
|
1519 return *data; |
|
1520 msleep(20); |
|
1521 } while (i++ < 3750); |
|
1522 |
|
1523 *data = 1; |
|
1524 } else { |
|
1525 e1000_check_for_link(hw); |
|
1526 if (hw->autoneg) /* if auto_neg is set wait for it */ |
|
1527 msleep(4000); |
|
1528 |
|
1529 if (!(er32(STATUS) & E1000_STATUS_LU)) { |
|
1530 *data = 1; |
|
1531 } |
|
1532 } |
|
1533 return *data; |
|
1534 } |
|
1535 |
|
1536 static int e1000_get_sset_count(struct net_device *netdev, int sset) |
|
1537 { |
|
1538 switch (sset) { |
|
1539 case ETH_SS_TEST: |
|
1540 return E1000_TEST_LEN; |
|
1541 case ETH_SS_STATS: |
|
1542 return E1000_STATS_LEN; |
|
1543 default: |
|
1544 return -EOPNOTSUPP; |
|
1545 } |
|
1546 } |
|
1547 |
|
1548 static void e1000_diag_test(struct net_device *netdev, |
|
1549 struct ethtool_test *eth_test, u64 *data) |
|
1550 { |
|
1551 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1552 struct e1000_hw *hw = &adapter->hw; |
|
1553 bool if_running = netif_running(netdev); |
|
1554 |
|
1555 set_bit(__E1000_TESTING, &adapter->flags); |
|
1556 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1557 /* Offline tests */ |
|
1558 |
|
1559 /* save speed, duplex, autoneg settings */ |
|
1560 u16 autoneg_advertised = hw->autoneg_advertised; |
|
1561 u8 forced_speed_duplex = hw->forced_speed_duplex; |
|
1562 u8 autoneg = hw->autoneg; |
|
1563 |
|
1564 e_info("offline testing starting\n"); |
|
1565 |
|
1566 /* Link test performed before hardware reset so autoneg doesn't |
|
1567 * interfere with test result */ |
|
1568 if (e1000_link_test(adapter, &data[4])) |
|
1569 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1570 |
|
1571 if (if_running) |
|
1572 /* indicate we're in test mode */ |
|
1573 dev_close(netdev); |
|
1574 else |
|
1575 e1000_reset(adapter); |
|
1576 |
|
1577 if (e1000_reg_test(adapter, &data[0])) |
|
1578 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1579 |
|
1580 e1000_reset(adapter); |
|
1581 if (e1000_eeprom_test(adapter, &data[1])) |
|
1582 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1583 |
|
1584 e1000_reset(adapter); |
|
1585 if (e1000_intr_test(adapter, &data[2])) |
|
1586 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1587 |
|
1588 e1000_reset(adapter); |
|
1589 /* make sure the phy is powered up */ |
|
1590 e1000_power_up_phy(adapter); |
|
1591 if (e1000_loopback_test(adapter, &data[3])) |
|
1592 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1593 |
|
1594 /* restore speed, duplex, autoneg settings */ |
|
1595 hw->autoneg_advertised = autoneg_advertised; |
|
1596 hw->forced_speed_duplex = forced_speed_duplex; |
|
1597 hw->autoneg = autoneg; |
|
1598 |
|
1599 e1000_reset(adapter); |
|
1600 clear_bit(__E1000_TESTING, &adapter->flags); |
|
1601 if (if_running) |
|
1602 dev_open(netdev); |
|
1603 } else { |
|
1604 e_info("online testing starting\n"); |
|
1605 /* Online tests */ |
|
1606 if (e1000_link_test(adapter, &data[4])) |
|
1607 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1608 |
|
1609 /* Online tests aren't run; pass by default */ |
|
1610 data[0] = 0; |
|
1611 data[1] = 0; |
|
1612 data[2] = 0; |
|
1613 data[3] = 0; |
|
1614 |
|
1615 clear_bit(__E1000_TESTING, &adapter->flags); |
|
1616 } |
|
1617 msleep_interruptible(4 * 1000); |
|
1618 } |
|
1619 |
|
1620 static int e1000_wol_exclusion(struct e1000_adapter *adapter, |
|
1621 struct ethtool_wolinfo *wol) |
|
1622 { |
|
1623 struct e1000_hw *hw = &adapter->hw; |
|
1624 int retval = 1; /* fail by default */ |
|
1625 |
|
1626 switch (hw->device_id) { |
|
1627 case E1000_DEV_ID_82542: |
|
1628 case E1000_DEV_ID_82543GC_FIBER: |
|
1629 case E1000_DEV_ID_82543GC_COPPER: |
|
1630 case E1000_DEV_ID_82544EI_FIBER: |
|
1631 case E1000_DEV_ID_82546EB_QUAD_COPPER: |
|
1632 case E1000_DEV_ID_82545EM_FIBER: |
|
1633 case E1000_DEV_ID_82545EM_COPPER: |
|
1634 case E1000_DEV_ID_82546GB_QUAD_COPPER: |
|
1635 case E1000_DEV_ID_82546GB_PCIE: |
|
1636 /* these don't support WoL at all */ |
|
1637 wol->supported = 0; |
|
1638 break; |
|
1639 case E1000_DEV_ID_82546EB_FIBER: |
|
1640 case E1000_DEV_ID_82546GB_FIBER: |
|
1641 /* Wake events not supported on port B */ |
|
1642 if (er32(STATUS) & E1000_STATUS_FUNC_1) { |
|
1643 wol->supported = 0; |
|
1644 break; |
|
1645 } |
|
1646 /* return success for non excluded adapter ports */ |
|
1647 retval = 0; |
|
1648 break; |
|
1649 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1650 /* quad port adapters only support WoL on port A */ |
|
1651 if (!adapter->quad_port_a) { |
|
1652 wol->supported = 0; |
|
1653 break; |
|
1654 } |
|
1655 /* return success for non excluded adapter ports */ |
|
1656 retval = 0; |
|
1657 break; |
|
1658 default: |
|
1659 /* dual port cards only support WoL on port A from now on |
|
1660 * unless it was enabled in the eeprom for port B |
|
1661 * so exclude FUNC_1 ports from having WoL enabled */ |
|
1662 if (er32(STATUS) & E1000_STATUS_FUNC_1 && |
|
1663 !adapter->eeprom_wol) { |
|
1664 wol->supported = 0; |
|
1665 break; |
|
1666 } |
|
1667 |
|
1668 retval = 0; |
|
1669 } |
|
1670 |
|
1671 return retval; |
|
1672 } |
|
1673 |
|
1674 static void e1000_get_wol(struct net_device *netdev, |
|
1675 struct ethtool_wolinfo *wol) |
|
1676 { |
|
1677 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1678 struct e1000_hw *hw = &adapter->hw; |
|
1679 |
|
1680 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1681 WAKE_BCAST | WAKE_MAGIC; |
|
1682 wol->wolopts = 0; |
|
1683 |
|
1684 /* this function will set ->supported = 0 and return 1 if wol is not |
|
1685 * supported by this hardware */ |
|
1686 if (e1000_wol_exclusion(adapter, wol) || |
|
1687 !device_can_wakeup(&adapter->pdev->dev)) |
|
1688 return; |
|
1689 |
|
1690 /* apply any specific unsupported masks here */ |
|
1691 switch (hw->device_id) { |
|
1692 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1693 /* KSP3 does not suppport UCAST wake-ups */ |
|
1694 wol->supported &= ~WAKE_UCAST; |
|
1695 |
|
1696 if (adapter->wol & E1000_WUFC_EX) |
|
1697 e_err("Interface does not support " |
|
1698 "directed (unicast) frame wake-up packets\n"); |
|
1699 break; |
|
1700 default: |
|
1701 break; |
|
1702 } |
|
1703 |
|
1704 if (adapter->wol & E1000_WUFC_EX) |
|
1705 wol->wolopts |= WAKE_UCAST; |
|
1706 if (adapter->wol & E1000_WUFC_MC) |
|
1707 wol->wolopts |= WAKE_MCAST; |
|
1708 if (adapter->wol & E1000_WUFC_BC) |
|
1709 wol->wolopts |= WAKE_BCAST; |
|
1710 if (adapter->wol & E1000_WUFC_MAG) |
|
1711 wol->wolopts |= WAKE_MAGIC; |
|
1712 } |
|
1713 |
|
1714 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1715 { |
|
1716 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1717 struct e1000_hw *hw = &adapter->hw; |
|
1718 |
|
1719 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) |
|
1720 return -EOPNOTSUPP; |
|
1721 |
|
1722 if (e1000_wol_exclusion(adapter, wol) || |
|
1723 !device_can_wakeup(&adapter->pdev->dev)) |
|
1724 return wol->wolopts ? -EOPNOTSUPP : 0; |
|
1725 |
|
1726 switch (hw->device_id) { |
|
1727 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: |
|
1728 if (wol->wolopts & WAKE_UCAST) { |
|
1729 e_err("Interface does not support " |
|
1730 "directed (unicast) frame wake-up packets\n"); |
|
1731 return -EOPNOTSUPP; |
|
1732 } |
|
1733 break; |
|
1734 default: |
|
1735 break; |
|
1736 } |
|
1737 |
|
1738 /* these settings will always override what we currently have */ |
|
1739 adapter->wol = 0; |
|
1740 |
|
1741 if (wol->wolopts & WAKE_UCAST) |
|
1742 adapter->wol |= E1000_WUFC_EX; |
|
1743 if (wol->wolopts & WAKE_MCAST) |
|
1744 adapter->wol |= E1000_WUFC_MC; |
|
1745 if (wol->wolopts & WAKE_BCAST) |
|
1746 adapter->wol |= E1000_WUFC_BC; |
|
1747 if (wol->wolopts & WAKE_MAGIC) |
|
1748 adapter->wol |= E1000_WUFC_MAG; |
|
1749 |
|
1750 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1751 |
|
1752 return 0; |
|
1753 } |
|
1754 |
|
1755 /* toggle LED 4 times per second = 2 "blinks" per second */ |
|
1756 #define E1000_ID_INTERVAL (HZ/4) |
|
1757 |
|
1758 /* bit defines for adapter->led_status */ |
|
1759 #define E1000_LED_ON 0 |
|
1760 |
|
1761 static void e1000_led_blink_callback(unsigned long data) |
|
1762 { |
|
1763 struct e1000_adapter *adapter = (struct e1000_adapter *) data; |
|
1764 struct e1000_hw *hw = &adapter->hw; |
|
1765 |
|
1766 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) |
|
1767 e1000_led_off(hw); |
|
1768 else |
|
1769 e1000_led_on(hw); |
|
1770 |
|
1771 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); |
|
1772 } |
|
1773 |
|
1774 static int e1000_phys_id(struct net_device *netdev, u32 data) |
|
1775 { |
|
1776 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1777 struct e1000_hw *hw = &adapter->hw; |
|
1778 |
|
1779 if (!data) |
|
1780 data = INT_MAX; |
|
1781 |
|
1782 if (!adapter->blink_timer.function) { |
|
1783 init_timer(&adapter->blink_timer); |
|
1784 adapter->blink_timer.function = e1000_led_blink_callback; |
|
1785 adapter->blink_timer.data = (unsigned long)adapter; |
|
1786 } |
|
1787 e1000_setup_led(hw); |
|
1788 mod_timer(&adapter->blink_timer, jiffies); |
|
1789 msleep_interruptible(data * 1000); |
|
1790 del_timer_sync(&adapter->blink_timer); |
|
1791 |
|
1792 e1000_led_off(hw); |
|
1793 clear_bit(E1000_LED_ON, &adapter->led_status); |
|
1794 e1000_cleanup_led(hw); |
|
1795 |
|
1796 return 0; |
|
1797 } |
|
1798 |
|
1799 static int e1000_get_coalesce(struct net_device *netdev, |
|
1800 struct ethtool_coalesce *ec) |
|
1801 { |
|
1802 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1803 |
|
1804 if (adapter->hw.mac_type < e1000_82545) |
|
1805 return -EOPNOTSUPP; |
|
1806 |
|
1807 if (adapter->itr_setting <= 4) |
|
1808 ec->rx_coalesce_usecs = adapter->itr_setting; |
|
1809 else |
|
1810 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1811 |
|
1812 return 0; |
|
1813 } |
|
1814 |
|
1815 static int e1000_set_coalesce(struct net_device *netdev, |
|
1816 struct ethtool_coalesce *ec) |
|
1817 { |
|
1818 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1819 struct e1000_hw *hw = &adapter->hw; |
|
1820 |
|
1821 if (hw->mac_type < e1000_82545) |
|
1822 return -EOPNOTSUPP; |
|
1823 |
|
1824 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
|
1825 ((ec->rx_coalesce_usecs > 4) && |
|
1826 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
|
1827 (ec->rx_coalesce_usecs == 2)) |
|
1828 return -EINVAL; |
|
1829 |
|
1830 if (ec->rx_coalesce_usecs == 4) { |
|
1831 adapter->itr = adapter->itr_setting = 4; |
|
1832 } else if (ec->rx_coalesce_usecs <= 3) { |
|
1833 adapter->itr = 20000; |
|
1834 adapter->itr_setting = ec->rx_coalesce_usecs; |
|
1835 } else { |
|
1836 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1837 adapter->itr_setting = adapter->itr & ~3; |
|
1838 } |
|
1839 |
|
1840 if (adapter->itr_setting != 0) |
|
1841 ew32(ITR, 1000000000 / (adapter->itr * 256)); |
|
1842 else |
|
1843 ew32(ITR, 0); |
|
1844 |
|
1845 return 0; |
|
1846 } |
|
1847 |
|
1848 static int e1000_nway_reset(struct net_device *netdev) |
|
1849 { |
|
1850 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1851 if (netif_running(netdev)) |
|
1852 e1000_reinit_locked(adapter); |
|
1853 return 0; |
|
1854 } |
|
1855 |
|
1856 static void e1000_get_ethtool_stats(struct net_device *netdev, |
|
1857 struct ethtool_stats *stats, u64 *data) |
|
1858 { |
|
1859 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1860 int i; |
|
1861 char *p = NULL; |
|
1862 |
|
1863 e1000_update_stats(adapter); |
|
1864 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1865 switch (e1000_gstrings_stats[i].type) { |
|
1866 case NETDEV_STATS: |
|
1867 p = (char *) netdev + |
|
1868 e1000_gstrings_stats[i].stat_offset; |
|
1869 break; |
|
1870 case E1000_STATS: |
|
1871 p = (char *) adapter + |
|
1872 e1000_gstrings_stats[i].stat_offset; |
|
1873 break; |
|
1874 } |
|
1875 |
|
1876 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
|
1877 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
|
1878 } |
|
1879 /* BUG_ON(i != E1000_STATS_LEN); */ |
|
1880 } |
|
1881 |
|
1882 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
|
1883 u8 *data) |
|
1884 { |
|
1885 u8 *p = data; |
|
1886 int i; |
|
1887 |
|
1888 switch (stringset) { |
|
1889 case ETH_SS_TEST: |
|
1890 memcpy(data, *e1000_gstrings_test, |
|
1891 sizeof(e1000_gstrings_test)); |
|
1892 break; |
|
1893 case ETH_SS_STATS: |
|
1894 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1895 memcpy(p, e1000_gstrings_stats[i].stat_string, |
|
1896 ETH_GSTRING_LEN); |
|
1897 p += ETH_GSTRING_LEN; |
|
1898 } |
|
1899 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ |
|
1900 break; |
|
1901 } |
|
1902 } |
|
1903 |
|
1904 static const struct ethtool_ops e1000_ethtool_ops = { |
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1905 .get_settings = e1000_get_settings, |
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1906 .set_settings = e1000_set_settings, |
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1907 .get_drvinfo = e1000_get_drvinfo, |
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1908 .get_regs_len = e1000_get_regs_len, |
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1909 .get_regs = e1000_get_regs, |
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1910 .get_wol = e1000_get_wol, |
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1911 .set_wol = e1000_set_wol, |
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1912 .get_msglevel = e1000_get_msglevel, |
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1913 .set_msglevel = e1000_set_msglevel, |
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1914 .nway_reset = e1000_nway_reset, |
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1915 .get_link = e1000_get_link, |
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1916 .get_eeprom_len = e1000_get_eeprom_len, |
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1917 .get_eeprom = e1000_get_eeprom, |
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1918 .set_eeprom = e1000_set_eeprom, |
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1919 .get_ringparam = e1000_get_ringparam, |
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1920 .set_ringparam = e1000_set_ringparam, |
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1921 .get_pauseparam = e1000_get_pauseparam, |
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1922 .set_pauseparam = e1000_set_pauseparam, |
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1923 .get_rx_csum = e1000_get_rx_csum, |
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1924 .set_rx_csum = e1000_set_rx_csum, |
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1925 .get_tx_csum = e1000_get_tx_csum, |
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1926 .set_tx_csum = e1000_set_tx_csum, |
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1927 .set_sg = ethtool_op_set_sg, |
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1928 .set_tso = e1000_set_tso, |
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1929 .self_test = e1000_diag_test, |
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1930 .get_strings = e1000_get_strings, |
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1931 .phys_id = e1000_phys_id, |
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1932 .get_ethtool_stats = e1000_get_ethtool_stats, |
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1933 .get_sset_count = e1000_get_sset_count, |
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1934 .get_coalesce = e1000_get_coalesce, |
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1935 .set_coalesce = e1000_set_coalesce, |
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1936 }; |
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1937 |
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1938 void e1000_set_ethtool_ops(struct net_device *netdev) |
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1939 { |
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1940 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
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1941 } |