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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 - 2009 Intel Corporation. |
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5 |
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6 This program is free software; you can redistribute it and/or modify it |
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7 under the terms and conditions of the GNU General Public License, |
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8 version 2, as published by the Free Software Foundation. |
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9 |
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10 This program is distributed in the hope it will be useful, but WITHOUT |
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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13 more details. |
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14 |
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15 You should have received a copy of the GNU General Public License along with |
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16 this program; if not, write to the Free Software Foundation, Inc., |
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17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
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18 |
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19 The full GNU General Public License is included in this distribution in |
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20 the file called "COPYING". |
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21 |
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22 Contact Information: |
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23 Linux NICS <linux.nics@intel.com> |
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24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
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25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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26 |
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27 *******************************************************************************/ |
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28 |
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29 /* ethtool support for e1000 */ |
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30 |
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31 #include <linux/netdevice.h> |
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32 #include <linux/ethtool.h> |
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33 #include <linux/pci.h> |
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34 #include <linux/slab.h> |
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35 #include <linux/delay.h> |
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36 |
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37 #include "e1000.h" |
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38 |
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39 enum {NETDEV_STATS, E1000_STATS}; |
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40 |
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41 struct e1000_stats { |
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42 char stat_string[ETH_GSTRING_LEN]; |
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43 int type; |
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44 int sizeof_stat; |
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45 int stat_offset; |
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46 }; |
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47 |
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48 #define E1000_STAT(m) E1000_STATS, \ |
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49 sizeof(((struct e1000_adapter *)0)->m), \ |
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50 offsetof(struct e1000_adapter, m) |
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51 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \ |
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52 sizeof(((struct net_device *)0)->m), \ |
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53 offsetof(struct net_device, m) |
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54 |
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55 static const struct e1000_stats e1000_gstrings_stats[] = { |
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56 { "rx_packets", E1000_STAT(stats.gprc) }, |
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57 { "tx_packets", E1000_STAT(stats.gptc) }, |
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58 { "rx_bytes", E1000_STAT(stats.gorc) }, |
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59 { "tx_bytes", E1000_STAT(stats.gotc) }, |
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60 { "rx_broadcast", E1000_STAT(stats.bprc) }, |
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61 { "tx_broadcast", E1000_STAT(stats.bptc) }, |
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62 { "rx_multicast", E1000_STAT(stats.mprc) }, |
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63 { "tx_multicast", E1000_STAT(stats.mptc) }, |
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64 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) }, |
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65 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) }, |
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66 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) }, |
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67 { "multicast", E1000_STAT(stats.mprc) }, |
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68 { "collisions", E1000_STAT(stats.colc) }, |
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69 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) }, |
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70 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) }, |
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71 { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, |
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72 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) }, |
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73 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, |
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74 { "rx_missed_errors", E1000_STAT(stats.mpc) }, |
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75 { "tx_aborted_errors", E1000_STAT(stats.ecol) }, |
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76 { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, |
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77 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) }, |
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78 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) }, |
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79 { "tx_window_errors", E1000_STAT(stats.latecol) }, |
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80 { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, |
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81 { "tx_deferred_ok", E1000_STAT(stats.dc) }, |
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82 { "tx_single_coll_ok", E1000_STAT(stats.scc) }, |
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83 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, |
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84 { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, |
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85 { "tx_restart_queue", E1000_STAT(restart_queue) }, |
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86 { "rx_long_length_errors", E1000_STAT(stats.roc) }, |
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87 { "rx_short_length_errors", E1000_STAT(stats.ruc) }, |
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88 { "rx_align_errors", E1000_STAT(stats.algnerrc) }, |
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89 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, |
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90 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, |
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91 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, |
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92 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, |
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93 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, |
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94 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, |
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95 { "rx_long_byte_count", E1000_STAT(stats.gorc) }, |
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96 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, |
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97 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, |
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98 { "rx_header_split", E1000_STAT(rx_hdr_split) }, |
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99 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, |
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100 { "tx_smbus", E1000_STAT(stats.mgptc) }, |
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101 { "rx_smbus", E1000_STAT(stats.mgprc) }, |
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102 { "dropped_smbus", E1000_STAT(stats.mgpdc) }, |
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103 { "rx_dma_failed", E1000_STAT(rx_dma_failed) }, |
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104 { "tx_dma_failed", E1000_STAT(tx_dma_failed) }, |
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105 }; |
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106 |
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107 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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108 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) |
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109 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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110 "Register test (offline)", "Eeprom test (offline)", |
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111 "Interrupt test (offline)", "Loopback test (offline)", |
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112 "Link test (on/offline)" |
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113 }; |
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114 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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115 |
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116 static int e1000_get_settings(struct net_device *netdev, |
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117 struct ethtool_cmd *ecmd) |
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118 { |
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119 struct e1000_adapter *adapter = netdev_priv(netdev); |
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120 struct e1000_hw *hw = &adapter->hw; |
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121 u32 status; |
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122 |
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123 if (hw->phy.media_type == e1000_media_type_copper) { |
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124 |
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125 ecmd->supported = (SUPPORTED_10baseT_Half | |
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126 SUPPORTED_10baseT_Full | |
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127 SUPPORTED_100baseT_Half | |
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128 SUPPORTED_100baseT_Full | |
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129 SUPPORTED_1000baseT_Full | |
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130 SUPPORTED_Autoneg | |
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131 SUPPORTED_TP); |
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132 if (hw->phy.type == e1000_phy_ife) |
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133 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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134 ecmd->advertising = ADVERTISED_TP; |
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135 |
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136 if (hw->mac.autoneg == 1) { |
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137 ecmd->advertising |= ADVERTISED_Autoneg; |
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138 /* the e1000 autoneg seems to match ethtool nicely */ |
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139 ecmd->advertising |= hw->phy.autoneg_advertised; |
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140 } |
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141 |
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142 ecmd->port = PORT_TP; |
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143 ecmd->phy_address = hw->phy.addr; |
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144 ecmd->transceiver = XCVR_INTERNAL; |
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145 |
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146 } else { |
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147 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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148 SUPPORTED_FIBRE | |
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149 SUPPORTED_Autoneg); |
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150 |
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151 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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152 ADVERTISED_FIBRE | |
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153 ADVERTISED_Autoneg); |
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154 |
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155 ecmd->port = PORT_FIBRE; |
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156 ecmd->transceiver = XCVR_EXTERNAL; |
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157 } |
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158 |
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159 status = er32(STATUS); |
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160 if (status & E1000_STATUS_LU) { |
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161 if (status & E1000_STATUS_SPEED_1000) |
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162 ecmd->speed = 1000; |
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163 else if (status & E1000_STATUS_SPEED_100) |
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164 ecmd->speed = 100; |
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165 else |
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166 ecmd->speed = 10; |
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167 |
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168 if (status & E1000_STATUS_FD) |
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169 ecmd->duplex = DUPLEX_FULL; |
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170 else |
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171 ecmd->duplex = DUPLEX_HALF; |
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172 } else { |
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173 ecmd->speed = -1; |
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174 ecmd->duplex = -1; |
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175 } |
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176 |
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177 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || |
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178 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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179 |
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180 /* MDI-X => 2; MDI =>1; Invalid =>0 */ |
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181 if ((hw->phy.media_type == e1000_media_type_copper) && |
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182 !hw->mac.get_link_status) |
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183 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : |
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184 ETH_TP_MDI; |
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185 else |
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186 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; |
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187 |
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188 return 0; |
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189 } |
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190 |
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191 static u32 e1000_get_link(struct net_device *netdev) |
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192 { |
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193 struct e1000_adapter *adapter = netdev_priv(netdev); |
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194 struct e1000_mac_info *mac = &adapter->hw.mac; |
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195 |
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196 /* |
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197 * If the link is not reported up to netdev, interrupts are disabled, |
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198 * and so the physical link state may have changed since we last |
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199 * looked. Set get_link_status to make sure that the true link |
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200 * state is interrogated, rather than pulling a cached and possibly |
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201 * stale link state from the driver. |
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202 */ |
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203 if (!netif_carrier_ok(netdev)) |
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204 mac->get_link_status = 1; |
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205 |
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206 return e1000e_has_link(adapter); |
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207 } |
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208 |
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209 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) |
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210 { |
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211 struct e1000_mac_info *mac = &adapter->hw.mac; |
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212 |
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213 mac->autoneg = 0; |
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214 |
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215 /* Fiber NICs only allow 1000 gbps Full duplex */ |
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216 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && |
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217 spddplx != (SPEED_1000 + DUPLEX_FULL)) { |
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218 e_err("Unsupported Speed/Duplex configuration\n"); |
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219 return -EINVAL; |
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220 } |
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221 |
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222 switch (spddplx) { |
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223 case SPEED_10 + DUPLEX_HALF: |
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224 mac->forced_speed_duplex = ADVERTISE_10_HALF; |
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225 break; |
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226 case SPEED_10 + DUPLEX_FULL: |
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227 mac->forced_speed_duplex = ADVERTISE_10_FULL; |
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228 break; |
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229 case SPEED_100 + DUPLEX_HALF: |
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230 mac->forced_speed_duplex = ADVERTISE_100_HALF; |
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231 break; |
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232 case SPEED_100 + DUPLEX_FULL: |
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233 mac->forced_speed_duplex = ADVERTISE_100_FULL; |
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234 break; |
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235 case SPEED_1000 + DUPLEX_FULL: |
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236 mac->autoneg = 1; |
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237 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; |
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238 break; |
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239 case SPEED_1000 + DUPLEX_HALF: /* not supported */ |
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240 default: |
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241 e_err("Unsupported Speed/Duplex configuration\n"); |
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242 return -EINVAL; |
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243 } |
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244 return 0; |
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245 } |
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246 |
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247 static int e1000_set_settings(struct net_device *netdev, |
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248 struct ethtool_cmd *ecmd) |
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249 { |
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250 struct e1000_adapter *adapter = netdev_priv(netdev); |
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251 struct e1000_hw *hw = &adapter->hw; |
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252 |
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253 /* |
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254 * When SoL/IDER sessions are active, autoneg/speed/duplex |
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255 * cannot be changed |
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256 */ |
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257 if (e1000_check_reset_block(hw)) { |
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258 e_err("Cannot change link characteristics when SoL/IDER is " |
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259 "active.\n"); |
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260 return -EINVAL; |
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261 } |
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262 |
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263 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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264 msleep(1); |
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265 |
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266 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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267 hw->mac.autoneg = 1; |
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268 if (hw->phy.media_type == e1000_media_type_fiber) |
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269 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | |
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270 ADVERTISED_FIBRE | |
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271 ADVERTISED_Autoneg; |
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272 else |
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273 hw->phy.autoneg_advertised = ecmd->advertising | |
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274 ADVERTISED_TP | |
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275 ADVERTISED_Autoneg; |
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276 ecmd->advertising = hw->phy.autoneg_advertised; |
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277 if (adapter->fc_autoneg) |
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278 hw->fc.requested_mode = e1000_fc_default; |
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279 } else { |
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280 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { |
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281 clear_bit(__E1000_RESETTING, &adapter->state); |
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282 return -EINVAL; |
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283 } |
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284 } |
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285 |
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286 /* reset the link */ |
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287 |
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288 if (netif_running(adapter->netdev)) { |
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289 e1000e_down(adapter); |
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290 e1000e_up(adapter); |
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291 } else { |
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292 e1000e_reset(adapter); |
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293 } |
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294 |
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295 clear_bit(__E1000_RESETTING, &adapter->state); |
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296 return 0; |
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297 } |
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298 |
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299 static void e1000_get_pauseparam(struct net_device *netdev, |
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300 struct ethtool_pauseparam *pause) |
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301 { |
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302 struct e1000_adapter *adapter = netdev_priv(netdev); |
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303 struct e1000_hw *hw = &adapter->hw; |
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304 |
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305 pause->autoneg = |
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306 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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307 |
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308 if (hw->fc.current_mode == e1000_fc_rx_pause) { |
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309 pause->rx_pause = 1; |
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310 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { |
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311 pause->tx_pause = 1; |
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312 } else if (hw->fc.current_mode == e1000_fc_full) { |
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313 pause->rx_pause = 1; |
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314 pause->tx_pause = 1; |
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315 } |
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316 } |
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317 |
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318 static int e1000_set_pauseparam(struct net_device *netdev, |
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319 struct ethtool_pauseparam *pause) |
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320 { |
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321 struct e1000_adapter *adapter = netdev_priv(netdev); |
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322 struct e1000_hw *hw = &adapter->hw; |
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323 int retval = 0; |
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324 |
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325 adapter->fc_autoneg = pause->autoneg; |
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326 |
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327 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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328 msleep(1); |
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329 |
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330 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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331 hw->fc.requested_mode = e1000_fc_default; |
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332 if (netif_running(adapter->netdev)) { |
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333 e1000e_down(adapter); |
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334 e1000e_up(adapter); |
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335 } else { |
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336 e1000e_reset(adapter); |
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337 } |
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338 } else { |
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339 if (pause->rx_pause && pause->tx_pause) |
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340 hw->fc.requested_mode = e1000_fc_full; |
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341 else if (pause->rx_pause && !pause->tx_pause) |
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342 hw->fc.requested_mode = e1000_fc_rx_pause; |
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343 else if (!pause->rx_pause && pause->tx_pause) |
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344 hw->fc.requested_mode = e1000_fc_tx_pause; |
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345 else if (!pause->rx_pause && !pause->tx_pause) |
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346 hw->fc.requested_mode = e1000_fc_none; |
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347 |
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348 hw->fc.current_mode = hw->fc.requested_mode; |
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349 |
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350 if (hw->phy.media_type == e1000_media_type_fiber) { |
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351 retval = hw->mac.ops.setup_link(hw); |
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352 /* implicit goto out */ |
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353 } else { |
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354 retval = e1000e_force_mac_fc(hw); |
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355 if (retval) |
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356 goto out; |
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357 e1000e_set_fc_watermarks(hw); |
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358 } |
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359 } |
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360 |
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361 out: |
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362 clear_bit(__E1000_RESETTING, &adapter->state); |
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363 return retval; |
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364 } |
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365 |
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366 static u32 e1000_get_rx_csum(struct net_device *netdev) |
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367 { |
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368 struct e1000_adapter *adapter = netdev_priv(netdev); |
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369 return (adapter->flags & FLAG_RX_CSUM_ENABLED); |
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370 } |
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371 |
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372 static int e1000_set_rx_csum(struct net_device *netdev, u32 data) |
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373 { |
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374 struct e1000_adapter *adapter = netdev_priv(netdev); |
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375 |
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376 if (data) |
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377 adapter->flags |= FLAG_RX_CSUM_ENABLED; |
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378 else |
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379 adapter->flags &= ~FLAG_RX_CSUM_ENABLED; |
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380 |
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381 if (netif_running(netdev)) |
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382 e1000e_reinit_locked(adapter); |
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383 else |
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384 e1000e_reset(adapter); |
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385 return 0; |
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386 } |
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387 |
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388 static u32 e1000_get_tx_csum(struct net_device *netdev) |
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389 { |
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390 return ((netdev->features & NETIF_F_HW_CSUM) != 0); |
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391 } |
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392 |
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393 static int e1000_set_tx_csum(struct net_device *netdev, u32 data) |
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394 { |
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395 if (data) |
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396 netdev->features |= NETIF_F_HW_CSUM; |
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397 else |
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398 netdev->features &= ~NETIF_F_HW_CSUM; |
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399 |
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400 return 0; |
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401 } |
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402 |
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403 static int e1000_set_tso(struct net_device *netdev, u32 data) |
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404 { |
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405 struct e1000_adapter *adapter = netdev_priv(netdev); |
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406 |
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407 if (data) { |
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408 netdev->features |= NETIF_F_TSO; |
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409 netdev->features |= NETIF_F_TSO6; |
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410 } else { |
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411 netdev->features &= ~NETIF_F_TSO; |
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412 netdev->features &= ~NETIF_F_TSO6; |
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413 } |
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414 |
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415 e_info("TSO is %s\n", data ? "Enabled" : "Disabled"); |
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416 adapter->flags |= FLAG_TSO_FORCE; |
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417 return 0; |
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418 } |
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419 |
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420 static u32 e1000_get_msglevel(struct net_device *netdev) |
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421 { |
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422 struct e1000_adapter *adapter = netdev_priv(netdev); |
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423 return adapter->msg_enable; |
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424 } |
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425 |
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426 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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427 { |
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428 struct e1000_adapter *adapter = netdev_priv(netdev); |
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429 adapter->msg_enable = data; |
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430 } |
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431 |
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432 static int e1000_get_regs_len(struct net_device *netdev) |
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433 { |
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434 #define E1000_REGS_LEN 32 /* overestimate */ |
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435 return E1000_REGS_LEN * sizeof(u32); |
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436 } |
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437 |
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438 static void e1000_get_regs(struct net_device *netdev, |
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439 struct ethtool_regs *regs, void *p) |
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440 { |
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441 struct e1000_adapter *adapter = netdev_priv(netdev); |
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442 struct e1000_hw *hw = &adapter->hw; |
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443 u32 *regs_buff = p; |
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444 u16 phy_data; |
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445 u8 revision_id; |
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446 |
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447 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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448 |
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449 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id); |
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450 |
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451 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device; |
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452 |
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453 regs_buff[0] = er32(CTRL); |
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454 regs_buff[1] = er32(STATUS); |
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455 |
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456 regs_buff[2] = er32(RCTL); |
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457 regs_buff[3] = er32(RDLEN); |
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458 regs_buff[4] = er32(RDH); |
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459 regs_buff[5] = er32(RDT); |
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460 regs_buff[6] = er32(RDTR); |
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461 |
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462 regs_buff[7] = er32(TCTL); |
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463 regs_buff[8] = er32(TDLEN); |
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464 regs_buff[9] = er32(TDH); |
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465 regs_buff[10] = er32(TDT); |
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466 regs_buff[11] = er32(TIDV); |
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467 |
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468 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ |
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469 |
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470 /* ethtool doesn't use anything past this point, so all this |
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471 * code is likely legacy junk for apps that may or may not |
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472 * exist */ |
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473 if (hw->phy.type == e1000_phy_m88) { |
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474 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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475 regs_buff[13] = (u32)phy_data; /* cable length */ |
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476 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
477 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
478 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
479 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
|
480 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
|
481 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
|
482 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
483 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
|
484 /* phy receive errors */ |
|
485 regs_buff[22] = adapter->phy_stats.receive_errors; |
|
486 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
|
487 } |
|
488 regs_buff[21] = 0; /* was idle_errors */ |
|
489 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); |
|
490 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
|
491 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
|
492 } |
|
493 |
|
494 static int e1000_get_eeprom_len(struct net_device *netdev) |
|
495 { |
|
496 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
497 return adapter->hw.nvm.word_size * 2; |
|
498 } |
|
499 |
|
500 static int e1000_get_eeprom(struct net_device *netdev, |
|
501 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
502 { |
|
503 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
504 struct e1000_hw *hw = &adapter->hw; |
|
505 u16 *eeprom_buff; |
|
506 int first_word; |
|
507 int last_word; |
|
508 int ret_val = 0; |
|
509 u16 i; |
|
510 |
|
511 if (eeprom->len == 0) |
|
512 return -EINVAL; |
|
513 |
|
514 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); |
|
515 |
|
516 first_word = eeprom->offset >> 1; |
|
517 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
518 |
|
519 eeprom_buff = kmalloc(sizeof(u16) * |
|
520 (last_word - first_word + 1), GFP_KERNEL); |
|
521 if (!eeprom_buff) |
|
522 return -ENOMEM; |
|
523 |
|
524 if (hw->nvm.type == e1000_nvm_eeprom_spi) { |
|
525 ret_val = e1000_read_nvm(hw, first_word, |
|
526 last_word - first_word + 1, |
|
527 eeprom_buff); |
|
528 } else { |
|
529 for (i = 0; i < last_word - first_word + 1; i++) { |
|
530 ret_val = e1000_read_nvm(hw, first_word + i, 1, |
|
531 &eeprom_buff[i]); |
|
532 if (ret_val) |
|
533 break; |
|
534 } |
|
535 } |
|
536 |
|
537 if (ret_val) { |
|
538 /* a read error occurred, throw away the result */ |
|
539 memset(eeprom_buff, 0xff, sizeof(u16) * |
|
540 (last_word - first_word + 1)); |
|
541 } else { |
|
542 /* Device's eeprom is always little-endian, word addressable */ |
|
543 for (i = 0; i < last_word - first_word + 1; i++) |
|
544 le16_to_cpus(&eeprom_buff[i]); |
|
545 } |
|
546 |
|
547 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
|
548 kfree(eeprom_buff); |
|
549 |
|
550 return ret_val; |
|
551 } |
|
552 |
|
553 static int e1000_set_eeprom(struct net_device *netdev, |
|
554 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
555 { |
|
556 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
557 struct e1000_hw *hw = &adapter->hw; |
|
558 u16 *eeprom_buff; |
|
559 void *ptr; |
|
560 int max_len; |
|
561 int first_word; |
|
562 int last_word; |
|
563 int ret_val = 0; |
|
564 u16 i; |
|
565 |
|
566 if (eeprom->len == 0) |
|
567 return -EOPNOTSUPP; |
|
568 |
|
569 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) |
|
570 return -EFAULT; |
|
571 |
|
572 if (adapter->flags & FLAG_READ_ONLY_NVM) |
|
573 return -EINVAL; |
|
574 |
|
575 max_len = hw->nvm.word_size * 2; |
|
576 |
|
577 first_word = eeprom->offset >> 1; |
|
578 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
579 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
580 if (!eeprom_buff) |
|
581 return -ENOMEM; |
|
582 |
|
583 ptr = (void *)eeprom_buff; |
|
584 |
|
585 if (eeprom->offset & 1) { |
|
586 /* need read/modify/write of first changed EEPROM word */ |
|
587 /* only the second byte of the word is being modified */ |
|
588 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); |
|
589 ptr++; |
|
590 } |
|
591 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) |
|
592 /* need read/modify/write of last changed EEPROM word */ |
|
593 /* only the first byte of the word is being modified */ |
|
594 ret_val = e1000_read_nvm(hw, last_word, 1, |
|
595 &eeprom_buff[last_word - first_word]); |
|
596 |
|
597 if (ret_val) |
|
598 goto out; |
|
599 |
|
600 /* Device's eeprom is always little-endian, word addressable */ |
|
601 for (i = 0; i < last_word - first_word + 1; i++) |
|
602 le16_to_cpus(&eeprom_buff[i]); |
|
603 |
|
604 memcpy(ptr, bytes, eeprom->len); |
|
605 |
|
606 for (i = 0; i < last_word - first_word + 1; i++) |
|
607 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); |
|
608 |
|
609 ret_val = e1000_write_nvm(hw, first_word, |
|
610 last_word - first_word + 1, eeprom_buff); |
|
611 |
|
612 if (ret_val) |
|
613 goto out; |
|
614 |
|
615 /* |
|
616 * Update the checksum over the first part of the EEPROM if needed |
|
617 * and flush shadow RAM for applicable controllers |
|
618 */ |
|
619 if ((first_word <= NVM_CHECKSUM_REG) || |
|
620 (hw->mac.type == e1000_82583) || |
|
621 (hw->mac.type == e1000_82574) || |
|
622 (hw->mac.type == e1000_82573)) |
|
623 ret_val = e1000e_update_nvm_checksum(hw); |
|
624 |
|
625 out: |
|
626 kfree(eeprom_buff); |
|
627 return ret_val; |
|
628 } |
|
629 |
|
630 static void e1000_get_drvinfo(struct net_device *netdev, |
|
631 struct ethtool_drvinfo *drvinfo) |
|
632 { |
|
633 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
634 char firmware_version[32]; |
|
635 |
|
636 strncpy(drvinfo->driver, e1000e_driver_name, 32); |
|
637 strncpy(drvinfo->version, e1000e_driver_version, 32); |
|
638 |
|
639 /* |
|
640 * EEPROM image version # is reported as firmware version # for |
|
641 * PCI-E controllers |
|
642 */ |
|
643 sprintf(firmware_version, "%d.%d-%d", |
|
644 (adapter->eeprom_vers & 0xF000) >> 12, |
|
645 (adapter->eeprom_vers & 0x0FF0) >> 4, |
|
646 (adapter->eeprom_vers & 0x000F)); |
|
647 |
|
648 strncpy(drvinfo->fw_version, firmware_version, 32); |
|
649 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); |
|
650 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
651 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
652 } |
|
653 |
|
654 static void e1000_get_ringparam(struct net_device *netdev, |
|
655 struct ethtool_ringparam *ring) |
|
656 { |
|
657 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
658 struct e1000_ring *tx_ring = adapter->tx_ring; |
|
659 struct e1000_ring *rx_ring = adapter->rx_ring; |
|
660 |
|
661 ring->rx_max_pending = E1000_MAX_RXD; |
|
662 ring->tx_max_pending = E1000_MAX_TXD; |
|
663 ring->rx_mini_max_pending = 0; |
|
664 ring->rx_jumbo_max_pending = 0; |
|
665 ring->rx_pending = rx_ring->count; |
|
666 ring->tx_pending = tx_ring->count; |
|
667 ring->rx_mini_pending = 0; |
|
668 ring->rx_jumbo_pending = 0; |
|
669 } |
|
670 |
|
671 static int e1000_set_ringparam(struct net_device *netdev, |
|
672 struct ethtool_ringparam *ring) |
|
673 { |
|
674 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
675 struct e1000_ring *tx_ring, *tx_old; |
|
676 struct e1000_ring *rx_ring, *rx_old; |
|
677 int err; |
|
678 |
|
679 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
680 return -EINVAL; |
|
681 |
|
682 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
|
683 msleep(1); |
|
684 |
|
685 if (netif_running(adapter->netdev)) |
|
686 e1000e_down(adapter); |
|
687 |
|
688 tx_old = adapter->tx_ring; |
|
689 rx_old = adapter->rx_ring; |
|
690 |
|
691 err = -ENOMEM; |
|
692 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); |
|
693 if (!tx_ring) |
|
694 goto err_alloc_tx; |
|
695 /* |
|
696 * use a memcpy to save any previously configured |
|
697 * items like napi structs from having to be |
|
698 * reinitialized |
|
699 */ |
|
700 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring)); |
|
701 |
|
702 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); |
|
703 if (!rx_ring) |
|
704 goto err_alloc_rx; |
|
705 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring)); |
|
706 |
|
707 adapter->tx_ring = tx_ring; |
|
708 adapter->rx_ring = rx_ring; |
|
709 |
|
710 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); |
|
711 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); |
|
712 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
713 |
|
714 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); |
|
715 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); |
|
716 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
717 |
|
718 if (netif_running(adapter->netdev)) { |
|
719 /* Try to get new resources before deleting old */ |
|
720 err = e1000e_setup_rx_resources(adapter); |
|
721 if (err) |
|
722 goto err_setup_rx; |
|
723 err = e1000e_setup_tx_resources(adapter); |
|
724 if (err) |
|
725 goto err_setup_tx; |
|
726 |
|
727 /* |
|
728 * restore the old in order to free it, |
|
729 * then add in the new |
|
730 */ |
|
731 adapter->rx_ring = rx_old; |
|
732 adapter->tx_ring = tx_old; |
|
733 e1000e_free_rx_resources(adapter); |
|
734 e1000e_free_tx_resources(adapter); |
|
735 kfree(tx_old); |
|
736 kfree(rx_old); |
|
737 adapter->rx_ring = rx_ring; |
|
738 adapter->tx_ring = tx_ring; |
|
739 err = e1000e_up(adapter); |
|
740 if (err) |
|
741 goto err_setup; |
|
742 } |
|
743 |
|
744 clear_bit(__E1000_RESETTING, &adapter->state); |
|
745 return 0; |
|
746 err_setup_tx: |
|
747 e1000e_free_rx_resources(adapter); |
|
748 err_setup_rx: |
|
749 adapter->rx_ring = rx_old; |
|
750 adapter->tx_ring = tx_old; |
|
751 kfree(rx_ring); |
|
752 err_alloc_rx: |
|
753 kfree(tx_ring); |
|
754 err_alloc_tx: |
|
755 e1000e_up(adapter); |
|
756 err_setup: |
|
757 clear_bit(__E1000_RESETTING, &adapter->state); |
|
758 return err; |
|
759 } |
|
760 |
|
761 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, |
|
762 int reg, int offset, u32 mask, u32 write) |
|
763 { |
|
764 u32 pat, val; |
|
765 static const u32 test[] = |
|
766 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
767 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { |
|
768 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, |
|
769 (test[pat] & write)); |
|
770 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); |
|
771 if (val != (test[pat] & write & mask)) { |
|
772 e_err("pattern test reg %04X failed: got 0x%08X " |
|
773 "expected 0x%08X\n", reg + offset, val, |
|
774 (test[pat] & write & mask)); |
|
775 *data = reg; |
|
776 return 1; |
|
777 } |
|
778 } |
|
779 return 0; |
|
780 } |
|
781 |
|
782 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, |
|
783 int reg, u32 mask, u32 write) |
|
784 { |
|
785 u32 val; |
|
786 __ew32(&adapter->hw, reg, write & mask); |
|
787 val = __er32(&adapter->hw, reg); |
|
788 if ((write & mask) != (val & mask)) { |
|
789 e_err("set/check reg %04X test failed: got 0x%08X " |
|
790 "expected 0x%08X\n", reg, (val & mask), (write & mask)); |
|
791 *data = reg; |
|
792 return 1; |
|
793 } |
|
794 return 0; |
|
795 } |
|
796 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ |
|
797 do { \ |
|
798 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ |
|
799 return 1; \ |
|
800 } while (0) |
|
801 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
802 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) |
|
803 |
|
804 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
805 do { \ |
|
806 if (reg_set_and_check(adapter, data, reg, mask, write)) \ |
|
807 return 1; \ |
|
808 } while (0) |
|
809 |
|
810 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
811 { |
|
812 struct e1000_hw *hw = &adapter->hw; |
|
813 struct e1000_mac_info *mac = &adapter->hw.mac; |
|
814 u32 value; |
|
815 u32 before; |
|
816 u32 after; |
|
817 u32 i; |
|
818 u32 toggle; |
|
819 u32 mask; |
|
820 |
|
821 /* |
|
822 * The status register is Read Only, so a write should fail. |
|
823 * Some bits that get toggled are ignored. |
|
824 */ |
|
825 switch (mac->type) { |
|
826 /* there are several bits on newer hardware that are r/w */ |
|
827 case e1000_82571: |
|
828 case e1000_82572: |
|
829 case e1000_80003es2lan: |
|
830 toggle = 0x7FFFF3FF; |
|
831 break; |
|
832 default: |
|
833 toggle = 0x7FFFF033; |
|
834 break; |
|
835 } |
|
836 |
|
837 before = er32(STATUS); |
|
838 value = (er32(STATUS) & toggle); |
|
839 ew32(STATUS, toggle); |
|
840 after = er32(STATUS) & toggle; |
|
841 if (value != after) { |
|
842 e_err("failed STATUS register test got: 0x%08X expected: " |
|
843 "0x%08X\n", after, value); |
|
844 *data = 1; |
|
845 return 1; |
|
846 } |
|
847 /* restore previous status */ |
|
848 ew32(STATUS, before); |
|
849 |
|
850 if (!(adapter->flags & FLAG_IS_ICH)) { |
|
851 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
852 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
853 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
854 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); |
|
855 } |
|
856 |
|
857 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
858 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
859 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); |
|
860 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); |
|
861 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); |
|
862 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
863 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
864 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
865 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
866 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); |
|
867 |
|
868 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); |
|
869 |
|
870 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); |
|
871 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); |
|
872 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); |
|
873 |
|
874 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); |
|
875 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
876 if (!(adapter->flags & FLAG_IS_ICH)) |
|
877 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); |
|
878 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
879 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); |
|
880 mask = 0x8003FFFF; |
|
881 switch (mac->type) { |
|
882 case e1000_ich10lan: |
|
883 case e1000_pchlan: |
|
884 mask |= (1 << 18); |
|
885 break; |
|
886 default: |
|
887 break; |
|
888 } |
|
889 for (i = 0; i < mac->rar_entry_count; i++) |
|
890 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), |
|
891 mask, 0xFFFFFFFF); |
|
892 |
|
893 for (i = 0; i < mac->mta_reg_count; i++) |
|
894 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); |
|
895 |
|
896 *data = 0; |
|
897 return 0; |
|
898 } |
|
899 |
|
900 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
901 { |
|
902 u16 temp; |
|
903 u16 checksum = 0; |
|
904 u16 i; |
|
905 |
|
906 *data = 0; |
|
907 /* Read and add up the contents of the EEPROM */ |
|
908 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { |
|
909 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { |
|
910 *data = 1; |
|
911 return *data; |
|
912 } |
|
913 checksum += temp; |
|
914 } |
|
915 |
|
916 /* If Checksum is not Correct return error else test passed */ |
|
917 if ((checksum != (u16) NVM_SUM) && !(*data)) |
|
918 *data = 2; |
|
919 |
|
920 return *data; |
|
921 } |
|
922 |
|
923 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
924 { |
|
925 struct net_device *netdev = (struct net_device *) data; |
|
926 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
927 struct e1000_hw *hw = &adapter->hw; |
|
928 |
|
929 adapter->test_icr |= er32(ICR); |
|
930 |
|
931 return IRQ_HANDLED; |
|
932 } |
|
933 |
|
934 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
935 { |
|
936 struct net_device *netdev = adapter->netdev; |
|
937 struct e1000_hw *hw = &adapter->hw; |
|
938 u32 mask; |
|
939 u32 shared_int = 1; |
|
940 u32 irq = adapter->pdev->irq; |
|
941 int i; |
|
942 int ret_val = 0; |
|
943 int int_mode = E1000E_INT_MODE_LEGACY; |
|
944 |
|
945 *data = 0; |
|
946 |
|
947 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ |
|
948 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { |
|
949 int_mode = adapter->int_mode; |
|
950 e1000e_reset_interrupt_capability(adapter); |
|
951 adapter->int_mode = E1000E_INT_MODE_LEGACY; |
|
952 e1000e_set_interrupt_capability(adapter); |
|
953 } |
|
954 /* Hook up test interrupt handler just for this test */ |
|
955 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
956 netdev)) { |
|
957 shared_int = 0; |
|
958 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, |
|
959 netdev->name, netdev)) { |
|
960 *data = 1; |
|
961 ret_val = -1; |
|
962 goto out; |
|
963 } |
|
964 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); |
|
965 |
|
966 /* Disable all the interrupts */ |
|
967 ew32(IMC, 0xFFFFFFFF); |
|
968 msleep(10); |
|
969 |
|
970 /* Test each interrupt */ |
|
971 for (i = 0; i < 10; i++) { |
|
972 /* Interrupt to test */ |
|
973 mask = 1 << i; |
|
974 |
|
975 if (adapter->flags & FLAG_IS_ICH) { |
|
976 switch (mask) { |
|
977 case E1000_ICR_RXSEQ: |
|
978 continue; |
|
979 case 0x00000100: |
|
980 if (adapter->hw.mac.type == e1000_ich8lan || |
|
981 adapter->hw.mac.type == e1000_ich9lan) |
|
982 continue; |
|
983 break; |
|
984 default: |
|
985 break; |
|
986 } |
|
987 } |
|
988 |
|
989 if (!shared_int) { |
|
990 /* |
|
991 * Disable the interrupt to be reported in |
|
992 * the cause register and then force the same |
|
993 * interrupt and see if one gets posted. If |
|
994 * an interrupt was posted to the bus, the |
|
995 * test failed. |
|
996 */ |
|
997 adapter->test_icr = 0; |
|
998 ew32(IMC, mask); |
|
999 ew32(ICS, mask); |
|
1000 msleep(10); |
|
1001 |
|
1002 if (adapter->test_icr & mask) { |
|
1003 *data = 3; |
|
1004 break; |
|
1005 } |
|
1006 } |
|
1007 |
|
1008 /* |
|
1009 * Enable the interrupt to be reported in |
|
1010 * the cause register and then force the same |
|
1011 * interrupt and see if one gets posted. If |
|
1012 * an interrupt was not posted to the bus, the |
|
1013 * test failed. |
|
1014 */ |
|
1015 adapter->test_icr = 0; |
|
1016 ew32(IMS, mask); |
|
1017 ew32(ICS, mask); |
|
1018 msleep(10); |
|
1019 |
|
1020 if (!(adapter->test_icr & mask)) { |
|
1021 *data = 4; |
|
1022 break; |
|
1023 } |
|
1024 |
|
1025 if (!shared_int) { |
|
1026 /* |
|
1027 * Disable the other interrupts to be reported in |
|
1028 * the cause register and then force the other |
|
1029 * interrupts and see if any get posted. If |
|
1030 * an interrupt was posted to the bus, the |
|
1031 * test failed. |
|
1032 */ |
|
1033 adapter->test_icr = 0; |
|
1034 ew32(IMC, ~mask & 0x00007FFF); |
|
1035 ew32(ICS, ~mask & 0x00007FFF); |
|
1036 msleep(10); |
|
1037 |
|
1038 if (adapter->test_icr) { |
|
1039 *data = 5; |
|
1040 break; |
|
1041 } |
|
1042 } |
|
1043 } |
|
1044 |
|
1045 /* Disable all the interrupts */ |
|
1046 ew32(IMC, 0xFFFFFFFF); |
|
1047 msleep(10); |
|
1048 |
|
1049 /* Unhook test interrupt handler */ |
|
1050 free_irq(irq, netdev); |
|
1051 |
|
1052 out: |
|
1053 if (int_mode == E1000E_INT_MODE_MSIX) { |
|
1054 e1000e_reset_interrupt_capability(adapter); |
|
1055 adapter->int_mode = int_mode; |
|
1056 e1000e_set_interrupt_capability(adapter); |
|
1057 } |
|
1058 |
|
1059 return ret_val; |
|
1060 } |
|
1061 |
|
1062 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
1063 { |
|
1064 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1065 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1066 struct pci_dev *pdev = adapter->pdev; |
|
1067 int i; |
|
1068 |
|
1069 if (tx_ring->desc && tx_ring->buffer_info) { |
|
1070 for (i = 0; i < tx_ring->count; i++) { |
|
1071 if (tx_ring->buffer_info[i].dma) |
|
1072 pci_unmap_single(pdev, |
|
1073 tx_ring->buffer_info[i].dma, |
|
1074 tx_ring->buffer_info[i].length, |
|
1075 PCI_DMA_TODEVICE); |
|
1076 if (tx_ring->buffer_info[i].skb) |
|
1077 dev_kfree_skb(tx_ring->buffer_info[i].skb); |
|
1078 } |
|
1079 } |
|
1080 |
|
1081 if (rx_ring->desc && rx_ring->buffer_info) { |
|
1082 for (i = 0; i < rx_ring->count; i++) { |
|
1083 if (rx_ring->buffer_info[i].dma) |
|
1084 pci_unmap_single(pdev, |
|
1085 rx_ring->buffer_info[i].dma, |
|
1086 2048, PCI_DMA_FROMDEVICE); |
|
1087 if (rx_ring->buffer_info[i].skb) |
|
1088 dev_kfree_skb(rx_ring->buffer_info[i].skb); |
|
1089 } |
|
1090 } |
|
1091 |
|
1092 if (tx_ring->desc) { |
|
1093 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, |
|
1094 tx_ring->dma); |
|
1095 tx_ring->desc = NULL; |
|
1096 } |
|
1097 if (rx_ring->desc) { |
|
1098 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, |
|
1099 rx_ring->dma); |
|
1100 rx_ring->desc = NULL; |
|
1101 } |
|
1102 |
|
1103 kfree(tx_ring->buffer_info); |
|
1104 tx_ring->buffer_info = NULL; |
|
1105 kfree(rx_ring->buffer_info); |
|
1106 rx_ring->buffer_info = NULL; |
|
1107 } |
|
1108 |
|
1109 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1110 { |
|
1111 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1112 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1113 struct pci_dev *pdev = adapter->pdev; |
|
1114 struct e1000_hw *hw = &adapter->hw; |
|
1115 u32 rctl; |
|
1116 int i; |
|
1117 int ret_val; |
|
1118 |
|
1119 /* Setup Tx descriptor ring and Tx buffers */ |
|
1120 |
|
1121 if (!tx_ring->count) |
|
1122 tx_ring->count = E1000_DEFAULT_TXD; |
|
1123 |
|
1124 tx_ring->buffer_info = kcalloc(tx_ring->count, |
|
1125 sizeof(struct e1000_buffer), |
|
1126 GFP_KERNEL); |
|
1127 if (!(tx_ring->buffer_info)) { |
|
1128 ret_val = 1; |
|
1129 goto err_nomem; |
|
1130 } |
|
1131 |
|
1132 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); |
|
1133 tx_ring->size = ALIGN(tx_ring->size, 4096); |
|
1134 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, |
|
1135 &tx_ring->dma, GFP_KERNEL); |
|
1136 if (!tx_ring->desc) { |
|
1137 ret_val = 2; |
|
1138 goto err_nomem; |
|
1139 } |
|
1140 tx_ring->next_to_use = 0; |
|
1141 tx_ring->next_to_clean = 0; |
|
1142 |
|
1143 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); |
|
1144 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); |
|
1145 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); |
|
1146 ew32(TDH, 0); |
|
1147 ew32(TDT, 0); |
|
1148 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | |
|
1149 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1150 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1151 |
|
1152 for (i = 0; i < tx_ring->count; i++) { |
|
1153 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); |
|
1154 struct sk_buff *skb; |
|
1155 unsigned int skb_size = 1024; |
|
1156 |
|
1157 skb = alloc_skb(skb_size, GFP_KERNEL); |
|
1158 if (!skb) { |
|
1159 ret_val = 3; |
|
1160 goto err_nomem; |
|
1161 } |
|
1162 skb_put(skb, skb_size); |
|
1163 tx_ring->buffer_info[i].skb = skb; |
|
1164 tx_ring->buffer_info[i].length = skb->len; |
|
1165 tx_ring->buffer_info[i].dma = |
|
1166 pci_map_single(pdev, skb->data, skb->len, |
|
1167 PCI_DMA_TODEVICE); |
|
1168 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) { |
|
1169 ret_val = 4; |
|
1170 goto err_nomem; |
|
1171 } |
|
1172 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); |
|
1173 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1174 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1175 E1000_TXD_CMD_IFCS | |
|
1176 E1000_TXD_CMD_RS); |
|
1177 tx_desc->upper.data = 0; |
|
1178 } |
|
1179 |
|
1180 /* Setup Rx descriptor ring and Rx buffers */ |
|
1181 |
|
1182 if (!rx_ring->count) |
|
1183 rx_ring->count = E1000_DEFAULT_RXD; |
|
1184 |
|
1185 rx_ring->buffer_info = kcalloc(rx_ring->count, |
|
1186 sizeof(struct e1000_buffer), |
|
1187 GFP_KERNEL); |
|
1188 if (!(rx_ring->buffer_info)) { |
|
1189 ret_val = 5; |
|
1190 goto err_nomem; |
|
1191 } |
|
1192 |
|
1193 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); |
|
1194 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, |
|
1195 &rx_ring->dma, GFP_KERNEL); |
|
1196 if (!rx_ring->desc) { |
|
1197 ret_val = 6; |
|
1198 goto err_nomem; |
|
1199 } |
|
1200 rx_ring->next_to_use = 0; |
|
1201 rx_ring->next_to_clean = 0; |
|
1202 |
|
1203 rctl = er32(RCTL); |
|
1204 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1205 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); |
|
1206 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); |
|
1207 ew32(RDLEN, rx_ring->size); |
|
1208 ew32(RDH, 0); |
|
1209 ew32(RDT, 0); |
|
1210 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1211 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | |
|
1212 E1000_RCTL_SBP | E1000_RCTL_SECRC | |
|
1213 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1214 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1215 ew32(RCTL, rctl); |
|
1216 |
|
1217 for (i = 0; i < rx_ring->count; i++) { |
|
1218 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); |
|
1219 struct sk_buff *skb; |
|
1220 |
|
1221 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1222 if (!skb) { |
|
1223 ret_val = 7; |
|
1224 goto err_nomem; |
|
1225 } |
|
1226 skb_reserve(skb, NET_IP_ALIGN); |
|
1227 rx_ring->buffer_info[i].skb = skb; |
|
1228 rx_ring->buffer_info[i].dma = |
|
1229 pci_map_single(pdev, skb->data, 2048, |
|
1230 PCI_DMA_FROMDEVICE); |
|
1231 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) { |
|
1232 ret_val = 8; |
|
1233 goto err_nomem; |
|
1234 } |
|
1235 rx_desc->buffer_addr = |
|
1236 cpu_to_le64(rx_ring->buffer_info[i].dma); |
|
1237 memset(skb->data, 0x00, skb->len); |
|
1238 } |
|
1239 |
|
1240 return 0; |
|
1241 |
|
1242 err_nomem: |
|
1243 e1000_free_desc_rings(adapter); |
|
1244 return ret_val; |
|
1245 } |
|
1246 |
|
1247 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1248 { |
|
1249 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1250 e1e_wphy(&adapter->hw, 29, 0x001F); |
|
1251 e1e_wphy(&adapter->hw, 30, 0x8FFC); |
|
1252 e1e_wphy(&adapter->hw, 29, 0x001A); |
|
1253 e1e_wphy(&adapter->hw, 30, 0x8FF0); |
|
1254 } |
|
1255 |
|
1256 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1257 { |
|
1258 struct e1000_hw *hw = &adapter->hw; |
|
1259 u32 ctrl_reg = 0; |
|
1260 u32 stat_reg = 0; |
|
1261 u16 phy_reg = 0; |
|
1262 |
|
1263 hw->mac.autoneg = 0; |
|
1264 |
|
1265 /* Workaround: K1 must be disabled for stable 1Gbps operation */ |
|
1266 if (hw->mac.type == e1000_pchlan) |
|
1267 e1000_configure_k1_ich8lan(hw, false); |
|
1268 |
|
1269 if (hw->phy.type == e1000_phy_m88) { |
|
1270 /* Auto-MDI/MDIX Off */ |
|
1271 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1272 /* reset to update Auto-MDI/MDIX */ |
|
1273 e1e_wphy(hw, PHY_CONTROL, 0x9140); |
|
1274 /* autoneg off */ |
|
1275 e1e_wphy(hw, PHY_CONTROL, 0x8140); |
|
1276 } else if (hw->phy.type == e1000_phy_gg82563) |
|
1277 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); |
|
1278 |
|
1279 ctrl_reg = er32(CTRL); |
|
1280 |
|
1281 switch (hw->phy.type) { |
|
1282 case e1000_phy_ife: |
|
1283 /* force 100, set loopback */ |
|
1284 e1e_wphy(hw, PHY_CONTROL, 0x6100); |
|
1285 |
|
1286 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1287 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1288 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1289 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1290 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1291 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1292 break; |
|
1293 case e1000_phy_bm: |
|
1294 /* Set Default MAC Interface speed to 1GB */ |
|
1295 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); |
|
1296 phy_reg &= ~0x0007; |
|
1297 phy_reg |= 0x006; |
|
1298 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); |
|
1299 /* Assert SW reset for above settings to take effect */ |
|
1300 e1000e_commit_phy(hw); |
|
1301 mdelay(1); |
|
1302 /* Force Full Duplex */ |
|
1303 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1304 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); |
|
1305 /* Set Link Up (in force link) */ |
|
1306 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); |
|
1307 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); |
|
1308 /* Force Link */ |
|
1309 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1310 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); |
|
1311 /* Set Early Link Enable */ |
|
1312 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); |
|
1313 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); |
|
1314 /* fall through */ |
|
1315 default: |
|
1316 /* force 1000, set loopback */ |
|
1317 e1e_wphy(hw, PHY_CONTROL, 0x4140); |
|
1318 mdelay(250); |
|
1319 |
|
1320 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1321 ctrl_reg = er32(CTRL); |
|
1322 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1323 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1324 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1325 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1326 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1327 |
|
1328 if (adapter->flags & FLAG_IS_ICH) |
|
1329 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ |
|
1330 } |
|
1331 |
|
1332 if (hw->phy.media_type == e1000_media_type_copper && |
|
1333 hw->phy.type == e1000_phy_m88) { |
|
1334 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1335 } else { |
|
1336 /* |
|
1337 * Set the ILOS bit on the fiber Nic if half duplex link is |
|
1338 * detected. |
|
1339 */ |
|
1340 stat_reg = er32(STATUS); |
|
1341 if ((stat_reg & E1000_STATUS_FD) == 0) |
|
1342 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1343 } |
|
1344 |
|
1345 ew32(CTRL, ctrl_reg); |
|
1346 |
|
1347 /* |
|
1348 * Disable the receiver on the PHY so when a cable is plugged in, the |
|
1349 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1350 */ |
|
1351 if (hw->phy.type == e1000_phy_m88) |
|
1352 e1000_phy_disable_receiver(adapter); |
|
1353 |
|
1354 udelay(500); |
|
1355 |
|
1356 return 0; |
|
1357 } |
|
1358 |
|
1359 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) |
|
1360 { |
|
1361 struct e1000_hw *hw = &adapter->hw; |
|
1362 u32 ctrl = er32(CTRL); |
|
1363 int link = 0; |
|
1364 |
|
1365 /* special requirements for 82571/82572 fiber adapters */ |
|
1366 |
|
1367 /* |
|
1368 * jump through hoops to make sure link is up because serdes |
|
1369 * link is hardwired up |
|
1370 */ |
|
1371 ctrl |= E1000_CTRL_SLU; |
|
1372 ew32(CTRL, ctrl); |
|
1373 |
|
1374 /* disable autoneg */ |
|
1375 ctrl = er32(TXCW); |
|
1376 ctrl &= ~(1 << 31); |
|
1377 ew32(TXCW, ctrl); |
|
1378 |
|
1379 link = (er32(STATUS) & E1000_STATUS_LU); |
|
1380 |
|
1381 if (!link) { |
|
1382 /* set invert loss of signal */ |
|
1383 ctrl = er32(CTRL); |
|
1384 ctrl |= E1000_CTRL_ILOS; |
|
1385 ew32(CTRL, ctrl); |
|
1386 } |
|
1387 |
|
1388 /* |
|
1389 * special write to serdes control register to enable SerDes analog |
|
1390 * loopback |
|
1391 */ |
|
1392 #define E1000_SERDES_LB_ON 0x410 |
|
1393 ew32(SCTL, E1000_SERDES_LB_ON); |
|
1394 msleep(10); |
|
1395 |
|
1396 return 0; |
|
1397 } |
|
1398 |
|
1399 /* only call this for fiber/serdes connections to es2lan */ |
|
1400 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) |
|
1401 { |
|
1402 struct e1000_hw *hw = &adapter->hw; |
|
1403 u32 ctrlext = er32(CTRL_EXT); |
|
1404 u32 ctrl = er32(CTRL); |
|
1405 |
|
1406 /* |
|
1407 * save CTRL_EXT to restore later, reuse an empty variable (unused |
|
1408 * on mac_type 80003es2lan) |
|
1409 */ |
|
1410 adapter->tx_fifo_head = ctrlext; |
|
1411 |
|
1412 /* clear the serdes mode bits, putting the device into mac loopback */ |
|
1413 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; |
|
1414 ew32(CTRL_EXT, ctrlext); |
|
1415 |
|
1416 /* force speed to 1000/FD, link up */ |
|
1417 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); |
|
1418 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | |
|
1419 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); |
|
1420 ew32(CTRL, ctrl); |
|
1421 |
|
1422 /* set mac loopback */ |
|
1423 ctrl = er32(RCTL); |
|
1424 ctrl |= E1000_RCTL_LBM_MAC; |
|
1425 ew32(RCTL, ctrl); |
|
1426 |
|
1427 /* set testing mode parameters (no need to reset later) */ |
|
1428 #define KMRNCTRLSTA_OPMODE (0x1F << 16) |
|
1429 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 |
|
1430 ew32(KMRNCTRLSTA, |
|
1431 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); |
|
1432 |
|
1433 return 0; |
|
1434 } |
|
1435 |
|
1436 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1437 { |
|
1438 struct e1000_hw *hw = &adapter->hw; |
|
1439 u32 rctl; |
|
1440 |
|
1441 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1442 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1443 switch (hw->mac.type) { |
|
1444 case e1000_80003es2lan: |
|
1445 return e1000_set_es2lan_mac_loopback(adapter); |
|
1446 break; |
|
1447 case e1000_82571: |
|
1448 case e1000_82572: |
|
1449 return e1000_set_82571_fiber_loopback(adapter); |
|
1450 break; |
|
1451 default: |
|
1452 rctl = er32(RCTL); |
|
1453 rctl |= E1000_RCTL_LBM_TCVR; |
|
1454 ew32(RCTL, rctl); |
|
1455 return 0; |
|
1456 } |
|
1457 } else if (hw->phy.media_type == e1000_media_type_copper) { |
|
1458 return e1000_integrated_phy_loopback(adapter); |
|
1459 } |
|
1460 |
|
1461 return 7; |
|
1462 } |
|
1463 |
|
1464 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1465 { |
|
1466 struct e1000_hw *hw = &adapter->hw; |
|
1467 u32 rctl; |
|
1468 u16 phy_reg; |
|
1469 |
|
1470 rctl = er32(RCTL); |
|
1471 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1472 ew32(RCTL, rctl); |
|
1473 |
|
1474 switch (hw->mac.type) { |
|
1475 case e1000_80003es2lan: |
|
1476 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1477 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1478 /* restore CTRL_EXT, stealing space from tx_fifo_head */ |
|
1479 ew32(CTRL_EXT, adapter->tx_fifo_head); |
|
1480 adapter->tx_fifo_head = 0; |
|
1481 } |
|
1482 /* fall through */ |
|
1483 case e1000_82571: |
|
1484 case e1000_82572: |
|
1485 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1486 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1487 #define E1000_SERDES_LB_OFF 0x400 |
|
1488 ew32(SCTL, E1000_SERDES_LB_OFF); |
|
1489 msleep(10); |
|
1490 break; |
|
1491 } |
|
1492 /* Fall Through */ |
|
1493 default: |
|
1494 hw->mac.autoneg = 1; |
|
1495 if (hw->phy.type == e1000_phy_gg82563) |
|
1496 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); |
|
1497 e1e_rphy(hw, PHY_CONTROL, &phy_reg); |
|
1498 if (phy_reg & MII_CR_LOOPBACK) { |
|
1499 phy_reg &= ~MII_CR_LOOPBACK; |
|
1500 e1e_wphy(hw, PHY_CONTROL, phy_reg); |
|
1501 e1000e_commit_phy(hw); |
|
1502 } |
|
1503 break; |
|
1504 } |
|
1505 } |
|
1506 |
|
1507 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1508 unsigned int frame_size) |
|
1509 { |
|
1510 memset(skb->data, 0xFF, frame_size); |
|
1511 frame_size &= ~1; |
|
1512 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1513 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1514 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1515 } |
|
1516 |
|
1517 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1518 unsigned int frame_size) |
|
1519 { |
|
1520 frame_size &= ~1; |
|
1521 if (*(skb->data + 3) == 0xFF) |
|
1522 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1523 (*(skb->data + frame_size / 2 + 12) == 0xAF)) |
|
1524 return 0; |
|
1525 return 13; |
|
1526 } |
|
1527 |
|
1528 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1529 { |
|
1530 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1531 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1532 struct pci_dev *pdev = adapter->pdev; |
|
1533 struct e1000_hw *hw = &adapter->hw; |
|
1534 int i, j, k, l; |
|
1535 int lc; |
|
1536 int good_cnt; |
|
1537 int ret_val = 0; |
|
1538 unsigned long time; |
|
1539 |
|
1540 ew32(RDT, rx_ring->count - 1); |
|
1541 |
|
1542 /* |
|
1543 * Calculate the loop count based on the largest descriptor ring |
|
1544 * The idea is to wrap the largest ring a number of times using 64 |
|
1545 * send/receive pairs during each loop |
|
1546 */ |
|
1547 |
|
1548 if (rx_ring->count <= tx_ring->count) |
|
1549 lc = ((tx_ring->count / 64) * 2) + 1; |
|
1550 else |
|
1551 lc = ((rx_ring->count / 64) * 2) + 1; |
|
1552 |
|
1553 k = 0; |
|
1554 l = 0; |
|
1555 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1556 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1557 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, |
|
1558 1024); |
|
1559 pci_dma_sync_single_for_device(pdev, |
|
1560 tx_ring->buffer_info[k].dma, |
|
1561 tx_ring->buffer_info[k].length, |
|
1562 PCI_DMA_TODEVICE); |
|
1563 k++; |
|
1564 if (k == tx_ring->count) |
|
1565 k = 0; |
|
1566 } |
|
1567 ew32(TDT, k); |
|
1568 msleep(200); |
|
1569 time = jiffies; /* set the start time for the receive */ |
|
1570 good_cnt = 0; |
|
1571 do { /* receive the sent packets */ |
|
1572 pci_dma_sync_single_for_cpu(pdev, |
|
1573 rx_ring->buffer_info[l].dma, 2048, |
|
1574 PCI_DMA_FROMDEVICE); |
|
1575 |
|
1576 ret_val = e1000_check_lbtest_frame( |
|
1577 rx_ring->buffer_info[l].skb, 1024); |
|
1578 if (!ret_val) |
|
1579 good_cnt++; |
|
1580 l++; |
|
1581 if (l == rx_ring->count) |
|
1582 l = 0; |
|
1583 /* |
|
1584 * time + 20 msecs (200 msecs on 2.4) is more than |
|
1585 * enough time to complete the receives, if it's |
|
1586 * exceeded, break and error off |
|
1587 */ |
|
1588 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); |
|
1589 if (good_cnt != 64) { |
|
1590 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1591 break; |
|
1592 } |
|
1593 if (jiffies >= (time + 20)) { |
|
1594 ret_val = 14; /* error code for time out error */ |
|
1595 break; |
|
1596 } |
|
1597 } /* end loop count loop */ |
|
1598 return ret_val; |
|
1599 } |
|
1600 |
|
1601 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1602 { |
|
1603 /* |
|
1604 * PHY loopback cannot be performed if SoL/IDER |
|
1605 * sessions are active |
|
1606 */ |
|
1607 if (e1000_check_reset_block(&adapter->hw)) { |
|
1608 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); |
|
1609 *data = 0; |
|
1610 goto out; |
|
1611 } |
|
1612 |
|
1613 *data = e1000_setup_desc_rings(adapter); |
|
1614 if (*data) |
|
1615 goto out; |
|
1616 |
|
1617 *data = e1000_setup_loopback_test(adapter); |
|
1618 if (*data) |
|
1619 goto err_loopback; |
|
1620 |
|
1621 *data = e1000_run_loopback_test(adapter); |
|
1622 e1000_loopback_cleanup(adapter); |
|
1623 |
|
1624 err_loopback: |
|
1625 e1000_free_desc_rings(adapter); |
|
1626 out: |
|
1627 return *data; |
|
1628 } |
|
1629 |
|
1630 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1631 { |
|
1632 struct e1000_hw *hw = &adapter->hw; |
|
1633 |
|
1634 *data = 0; |
|
1635 if (hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1636 int i = 0; |
|
1637 hw->mac.serdes_has_link = false; |
|
1638 |
|
1639 /* |
|
1640 * On some blade server designs, link establishment |
|
1641 * could take as long as 2-3 minutes |
|
1642 */ |
|
1643 do { |
|
1644 hw->mac.ops.check_for_link(hw); |
|
1645 if (hw->mac.serdes_has_link) |
|
1646 return *data; |
|
1647 msleep(20); |
|
1648 } while (i++ < 3750); |
|
1649 |
|
1650 *data = 1; |
|
1651 } else { |
|
1652 hw->mac.ops.check_for_link(hw); |
|
1653 if (hw->mac.autoneg) |
|
1654 msleep(4000); |
|
1655 |
|
1656 if (!(er32(STATUS) & |
|
1657 E1000_STATUS_LU)) |
|
1658 *data = 1; |
|
1659 } |
|
1660 return *data; |
|
1661 } |
|
1662 |
|
1663 static int e1000e_get_sset_count(struct net_device *netdev, int sset) |
|
1664 { |
|
1665 switch (sset) { |
|
1666 case ETH_SS_TEST: |
|
1667 return E1000_TEST_LEN; |
|
1668 case ETH_SS_STATS: |
|
1669 return E1000_STATS_LEN; |
|
1670 default: |
|
1671 return -EOPNOTSUPP; |
|
1672 } |
|
1673 } |
|
1674 |
|
1675 static void e1000_diag_test(struct net_device *netdev, |
|
1676 struct ethtool_test *eth_test, u64 *data) |
|
1677 { |
|
1678 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1679 u16 autoneg_advertised; |
|
1680 u8 forced_speed_duplex; |
|
1681 u8 autoneg; |
|
1682 bool if_running = netif_running(netdev); |
|
1683 |
|
1684 set_bit(__E1000_TESTING, &adapter->state); |
|
1685 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1686 /* Offline tests */ |
|
1687 |
|
1688 /* save speed, duplex, autoneg settings */ |
|
1689 autoneg_advertised = adapter->hw.phy.autoneg_advertised; |
|
1690 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; |
|
1691 autoneg = adapter->hw.mac.autoneg; |
|
1692 |
|
1693 e_info("offline testing starting\n"); |
|
1694 |
|
1695 /* |
|
1696 * Link test performed before hardware reset so autoneg doesn't |
|
1697 * interfere with test result |
|
1698 */ |
|
1699 if (e1000_link_test(adapter, &data[4])) |
|
1700 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1701 |
|
1702 if (if_running) |
|
1703 /* indicate we're in test mode */ |
|
1704 dev_close(netdev); |
|
1705 else |
|
1706 e1000e_reset(adapter); |
|
1707 |
|
1708 if (e1000_reg_test(adapter, &data[0])) |
|
1709 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1710 |
|
1711 e1000e_reset(adapter); |
|
1712 if (e1000_eeprom_test(adapter, &data[1])) |
|
1713 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1714 |
|
1715 e1000e_reset(adapter); |
|
1716 if (e1000_intr_test(adapter, &data[2])) |
|
1717 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1718 |
|
1719 e1000e_reset(adapter); |
|
1720 /* make sure the phy is powered up */ |
|
1721 e1000e_power_up_phy(adapter); |
|
1722 if (e1000_loopback_test(adapter, &data[3])) |
|
1723 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1724 |
|
1725 /* restore speed, duplex, autoneg settings */ |
|
1726 adapter->hw.phy.autoneg_advertised = autoneg_advertised; |
|
1727 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; |
|
1728 adapter->hw.mac.autoneg = autoneg; |
|
1729 |
|
1730 /* force this routine to wait until autoneg complete/timeout */ |
|
1731 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1732 e1000e_reset(adapter); |
|
1733 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1734 |
|
1735 clear_bit(__E1000_TESTING, &adapter->state); |
|
1736 if (if_running) |
|
1737 dev_open(netdev); |
|
1738 } else { |
|
1739 e_info("online testing starting\n"); |
|
1740 /* Online tests */ |
|
1741 if (e1000_link_test(adapter, &data[4])) |
|
1742 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1743 |
|
1744 /* Online tests aren't run; pass by default */ |
|
1745 data[0] = 0; |
|
1746 data[1] = 0; |
|
1747 data[2] = 0; |
|
1748 data[3] = 0; |
|
1749 |
|
1750 clear_bit(__E1000_TESTING, &adapter->state); |
|
1751 } |
|
1752 msleep_interruptible(4 * 1000); |
|
1753 } |
|
1754 |
|
1755 static void e1000_get_wol(struct net_device *netdev, |
|
1756 struct ethtool_wolinfo *wol) |
|
1757 { |
|
1758 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1759 |
|
1760 wol->supported = 0; |
|
1761 wol->wolopts = 0; |
|
1762 |
|
1763 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1764 !device_can_wakeup(&adapter->pdev->dev)) |
|
1765 return; |
|
1766 |
|
1767 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1768 WAKE_BCAST | WAKE_MAGIC | |
|
1769 WAKE_PHY | WAKE_ARP; |
|
1770 |
|
1771 /* apply any specific unsupported masks here */ |
|
1772 if (adapter->flags & FLAG_NO_WAKE_UCAST) { |
|
1773 wol->supported &= ~WAKE_UCAST; |
|
1774 |
|
1775 if (adapter->wol & E1000_WUFC_EX) |
|
1776 e_err("Interface does not support directed (unicast) " |
|
1777 "frame wake-up packets\n"); |
|
1778 } |
|
1779 |
|
1780 if (adapter->wol & E1000_WUFC_EX) |
|
1781 wol->wolopts |= WAKE_UCAST; |
|
1782 if (adapter->wol & E1000_WUFC_MC) |
|
1783 wol->wolopts |= WAKE_MCAST; |
|
1784 if (adapter->wol & E1000_WUFC_BC) |
|
1785 wol->wolopts |= WAKE_BCAST; |
|
1786 if (adapter->wol & E1000_WUFC_MAG) |
|
1787 wol->wolopts |= WAKE_MAGIC; |
|
1788 if (adapter->wol & E1000_WUFC_LNKC) |
|
1789 wol->wolopts |= WAKE_PHY; |
|
1790 if (adapter->wol & E1000_WUFC_ARP) |
|
1791 wol->wolopts |= WAKE_ARP; |
|
1792 } |
|
1793 |
|
1794 static int e1000_set_wol(struct net_device *netdev, |
|
1795 struct ethtool_wolinfo *wol) |
|
1796 { |
|
1797 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1798 |
|
1799 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1800 !device_can_wakeup(&adapter->pdev->dev) || |
|
1801 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | |
|
1802 WAKE_MAGIC | WAKE_PHY | WAKE_ARP))) |
|
1803 return -EOPNOTSUPP; |
|
1804 |
|
1805 /* these settings will always override what we currently have */ |
|
1806 adapter->wol = 0; |
|
1807 |
|
1808 if (wol->wolopts & WAKE_UCAST) |
|
1809 adapter->wol |= E1000_WUFC_EX; |
|
1810 if (wol->wolopts & WAKE_MCAST) |
|
1811 adapter->wol |= E1000_WUFC_MC; |
|
1812 if (wol->wolopts & WAKE_BCAST) |
|
1813 adapter->wol |= E1000_WUFC_BC; |
|
1814 if (wol->wolopts & WAKE_MAGIC) |
|
1815 adapter->wol |= E1000_WUFC_MAG; |
|
1816 if (wol->wolopts & WAKE_PHY) |
|
1817 adapter->wol |= E1000_WUFC_LNKC; |
|
1818 if (wol->wolopts & WAKE_ARP) |
|
1819 adapter->wol |= E1000_WUFC_ARP; |
|
1820 |
|
1821 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1822 |
|
1823 return 0; |
|
1824 } |
|
1825 |
|
1826 /* toggle LED 4 times per second = 2 "blinks" per second */ |
|
1827 #define E1000_ID_INTERVAL (HZ/4) |
|
1828 |
|
1829 /* bit defines for adapter->led_status */ |
|
1830 #define E1000_LED_ON 0 |
|
1831 |
|
1832 static void e1000e_led_blink_task(struct work_struct *work) |
|
1833 { |
|
1834 struct e1000_adapter *adapter = container_of(work, |
|
1835 struct e1000_adapter, led_blink_task); |
|
1836 |
|
1837 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) |
|
1838 adapter->hw.mac.ops.led_off(&adapter->hw); |
|
1839 else |
|
1840 adapter->hw.mac.ops.led_on(&adapter->hw); |
|
1841 } |
|
1842 |
|
1843 static void e1000_led_blink_callback(unsigned long data) |
|
1844 { |
|
1845 struct e1000_adapter *adapter = (struct e1000_adapter *) data; |
|
1846 |
|
1847 schedule_work(&adapter->led_blink_task); |
|
1848 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); |
|
1849 } |
|
1850 |
|
1851 static int e1000_phys_id(struct net_device *netdev, u32 data) |
|
1852 { |
|
1853 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1854 struct e1000_hw *hw = &adapter->hw; |
|
1855 |
|
1856 if (!data) |
|
1857 data = INT_MAX; |
|
1858 |
|
1859 if ((hw->phy.type == e1000_phy_ife) || |
|
1860 (hw->mac.type == e1000_pchlan) || |
|
1861 (hw->mac.type == e1000_82583) || |
|
1862 (hw->mac.type == e1000_82574)) { |
|
1863 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task); |
|
1864 if (!adapter->blink_timer.function) { |
|
1865 init_timer(&adapter->blink_timer); |
|
1866 adapter->blink_timer.function = |
|
1867 e1000_led_blink_callback; |
|
1868 adapter->blink_timer.data = (unsigned long) adapter; |
|
1869 } |
|
1870 mod_timer(&adapter->blink_timer, jiffies); |
|
1871 msleep_interruptible(data * 1000); |
|
1872 del_timer_sync(&adapter->blink_timer); |
|
1873 if (hw->phy.type == e1000_phy_ife) |
|
1874 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); |
|
1875 } else { |
|
1876 e1000e_blink_led(hw); |
|
1877 msleep_interruptible(data * 1000); |
|
1878 } |
|
1879 |
|
1880 hw->mac.ops.led_off(hw); |
|
1881 clear_bit(E1000_LED_ON, &adapter->led_status); |
|
1882 hw->mac.ops.cleanup_led(hw); |
|
1883 |
|
1884 return 0; |
|
1885 } |
|
1886 |
|
1887 static int e1000_get_coalesce(struct net_device *netdev, |
|
1888 struct ethtool_coalesce *ec) |
|
1889 { |
|
1890 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1891 |
|
1892 if (adapter->itr_setting <= 3) |
|
1893 ec->rx_coalesce_usecs = adapter->itr_setting; |
|
1894 else |
|
1895 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1896 |
|
1897 return 0; |
|
1898 } |
|
1899 |
|
1900 static int e1000_set_coalesce(struct net_device *netdev, |
|
1901 struct ethtool_coalesce *ec) |
|
1902 { |
|
1903 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1904 struct e1000_hw *hw = &adapter->hw; |
|
1905 |
|
1906 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
|
1907 ((ec->rx_coalesce_usecs > 3) && |
|
1908 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
|
1909 (ec->rx_coalesce_usecs == 2)) |
|
1910 return -EINVAL; |
|
1911 |
|
1912 if (ec->rx_coalesce_usecs <= 3) { |
|
1913 adapter->itr = 20000; |
|
1914 adapter->itr_setting = ec->rx_coalesce_usecs; |
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1915 } else { |
|
1916 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1917 adapter->itr_setting = adapter->itr & ~3; |
|
1918 } |
|
1919 |
|
1920 if (adapter->itr_setting != 0) |
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1921 ew32(ITR, 1000000000 / (adapter->itr * 256)); |
|
1922 else |
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1923 ew32(ITR, 0); |
|
1924 |
|
1925 return 0; |
|
1926 } |
|
1927 |
|
1928 static int e1000_nway_reset(struct net_device *netdev) |
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1929 { |
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1930 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1931 if (netif_running(netdev)) |
|
1932 e1000e_reinit_locked(adapter); |
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1933 return 0; |
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1934 } |
|
1935 |
|
1936 static void e1000_get_ethtool_stats(struct net_device *netdev, |
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1937 struct ethtool_stats *stats, |
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1938 u64 *data) |
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1939 { |
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1940 struct e1000_adapter *adapter = netdev_priv(netdev); |
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1941 int i; |
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1942 char *p = NULL; |
|
1943 |
|
1944 e1000e_update_stats(adapter); |
|
1945 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1946 switch (e1000_gstrings_stats[i].type) { |
|
1947 case NETDEV_STATS: |
|
1948 p = (char *) netdev + |
|
1949 e1000_gstrings_stats[i].stat_offset; |
|
1950 break; |
|
1951 case E1000_STATS: |
|
1952 p = (char *) adapter + |
|
1953 e1000_gstrings_stats[i].stat_offset; |
|
1954 break; |
|
1955 } |
|
1956 |
|
1957 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
|
1958 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
|
1959 } |
|
1960 } |
|
1961 |
|
1962 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
|
1963 u8 *data) |
|
1964 { |
|
1965 u8 *p = data; |
|
1966 int i; |
|
1967 |
|
1968 switch (stringset) { |
|
1969 case ETH_SS_TEST: |
|
1970 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test)); |
|
1971 break; |
|
1972 case ETH_SS_STATS: |
|
1973 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1974 memcpy(p, e1000_gstrings_stats[i].stat_string, |
|
1975 ETH_GSTRING_LEN); |
|
1976 p += ETH_GSTRING_LEN; |
|
1977 } |
|
1978 break; |
|
1979 } |
|
1980 } |
|
1981 |
|
1982 static const struct ethtool_ops e1000_ethtool_ops = { |
|
1983 .get_settings = e1000_get_settings, |
|
1984 .set_settings = e1000_set_settings, |
|
1985 .get_drvinfo = e1000_get_drvinfo, |
|
1986 .get_regs_len = e1000_get_regs_len, |
|
1987 .get_regs = e1000_get_regs, |
|
1988 .get_wol = e1000_get_wol, |
|
1989 .set_wol = e1000_set_wol, |
|
1990 .get_msglevel = e1000_get_msglevel, |
|
1991 .set_msglevel = e1000_set_msglevel, |
|
1992 .nway_reset = e1000_nway_reset, |
|
1993 .get_link = e1000_get_link, |
|
1994 .get_eeprom_len = e1000_get_eeprom_len, |
|
1995 .get_eeprom = e1000_get_eeprom, |
|
1996 .set_eeprom = e1000_set_eeprom, |
|
1997 .get_ringparam = e1000_get_ringparam, |
|
1998 .set_ringparam = e1000_set_ringparam, |
|
1999 .get_pauseparam = e1000_get_pauseparam, |
|
2000 .set_pauseparam = e1000_set_pauseparam, |
|
2001 .get_rx_csum = e1000_get_rx_csum, |
|
2002 .set_rx_csum = e1000_set_rx_csum, |
|
2003 .get_tx_csum = e1000_get_tx_csum, |
|
2004 .set_tx_csum = e1000_set_tx_csum, |
|
2005 .get_sg = ethtool_op_get_sg, |
|
2006 .set_sg = ethtool_op_set_sg, |
|
2007 .get_tso = ethtool_op_get_tso, |
|
2008 .set_tso = e1000_set_tso, |
|
2009 .self_test = e1000_diag_test, |
|
2010 .get_strings = e1000_get_strings, |
|
2011 .phys_id = e1000_phys_id, |
|
2012 .get_ethtool_stats = e1000_get_ethtool_stats, |
|
2013 .get_sset_count = e1000e_get_sset_count, |
|
2014 .get_coalesce = e1000_get_coalesce, |
|
2015 .set_coalesce = e1000_set_coalesce, |
|
2016 .get_flags = ethtool_op_get_flags, |
|
2017 .set_flags = ethtool_op_set_flags, |
|
2018 }; |
|
2019 |
|
2020 void e1000e_set_ethtool_ops(struct net_device *netdev) |
|
2021 { |
|
2022 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
|
2023 } |