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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 - 2011 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/interrupt.h> |
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33 #include <linux/ethtool.h> |
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34 #include <linux/pci.h> |
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35 #include <linux/slab.h> |
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36 #include <linux/delay.h> |
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37 |
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38 #include "e1000-3.2-ethercat.h" |
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39 |
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40 enum {NETDEV_STATS, E1000_STATS}; |
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41 |
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42 struct e1000_stats { |
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43 char stat_string[ETH_GSTRING_LEN]; |
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44 int type; |
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45 int sizeof_stat; |
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46 int stat_offset; |
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47 }; |
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48 |
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49 #define E1000_STAT(str, m) { \ |
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50 .stat_string = str, \ |
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51 .type = E1000_STATS, \ |
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52 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \ |
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53 .stat_offset = offsetof(struct e1000_adapter, m) } |
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54 #define E1000_NETDEV_STAT(str, m) { \ |
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55 .stat_string = str, \ |
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56 .type = NETDEV_STATS, \ |
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57 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \ |
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58 .stat_offset = offsetof(struct rtnl_link_stats64, m) } |
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59 |
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60 static const struct e1000_stats e1000_gstrings_stats[] = { |
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61 E1000_STAT("rx_packets", stats.gprc), |
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62 E1000_STAT("tx_packets", stats.gptc), |
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63 E1000_STAT("rx_bytes", stats.gorc), |
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64 E1000_STAT("tx_bytes", stats.gotc), |
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65 E1000_STAT("rx_broadcast", stats.bprc), |
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66 E1000_STAT("tx_broadcast", stats.bptc), |
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67 E1000_STAT("rx_multicast", stats.mprc), |
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68 E1000_STAT("tx_multicast", stats.mptc), |
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69 E1000_NETDEV_STAT("rx_errors", rx_errors), |
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70 E1000_NETDEV_STAT("tx_errors", tx_errors), |
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71 E1000_NETDEV_STAT("tx_dropped", tx_dropped), |
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72 E1000_STAT("multicast", stats.mprc), |
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73 E1000_STAT("collisions", stats.colc), |
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74 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors), |
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75 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors), |
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76 E1000_STAT("rx_crc_errors", stats.crcerrs), |
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77 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors), |
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78 E1000_STAT("rx_no_buffer_count", stats.rnbc), |
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79 E1000_STAT("rx_missed_errors", stats.mpc), |
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80 E1000_STAT("tx_aborted_errors", stats.ecol), |
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81 E1000_STAT("tx_carrier_errors", stats.tncrs), |
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82 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors), |
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83 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors), |
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84 E1000_STAT("tx_window_errors", stats.latecol), |
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85 E1000_STAT("tx_abort_late_coll", stats.latecol), |
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86 E1000_STAT("tx_deferred_ok", stats.dc), |
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87 E1000_STAT("tx_single_coll_ok", stats.scc), |
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88 E1000_STAT("tx_multi_coll_ok", stats.mcc), |
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89 E1000_STAT("tx_timeout_count", tx_timeout_count), |
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90 E1000_STAT("tx_restart_queue", restart_queue), |
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91 E1000_STAT("rx_long_length_errors", stats.roc), |
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92 E1000_STAT("rx_short_length_errors", stats.ruc), |
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93 E1000_STAT("rx_align_errors", stats.algnerrc), |
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94 E1000_STAT("tx_tcp_seg_good", stats.tsctc), |
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95 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc), |
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96 E1000_STAT("rx_flow_control_xon", stats.xonrxc), |
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97 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc), |
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98 E1000_STAT("tx_flow_control_xon", stats.xontxc), |
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99 E1000_STAT("tx_flow_control_xoff", stats.xofftxc), |
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100 E1000_STAT("rx_long_byte_count", stats.gorc), |
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101 E1000_STAT("rx_csum_offload_good", hw_csum_good), |
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102 E1000_STAT("rx_csum_offload_errors", hw_csum_err), |
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103 E1000_STAT("rx_header_split", rx_hdr_split), |
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104 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed), |
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105 E1000_STAT("tx_smbus", stats.mgptc), |
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106 E1000_STAT("rx_smbus", stats.mgprc), |
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107 E1000_STAT("dropped_smbus", stats.mgpdc), |
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108 E1000_STAT("rx_dma_failed", rx_dma_failed), |
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109 E1000_STAT("tx_dma_failed", tx_dma_failed), |
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110 }; |
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111 |
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112 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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113 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) |
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114 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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115 "Register test (offline)", "Eeprom test (offline)", |
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116 "Interrupt test (offline)", "Loopback test (offline)", |
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117 "Link test (on/offline)" |
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118 }; |
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119 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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120 |
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121 static int e1000_get_settings(struct net_device *netdev, |
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122 struct ethtool_cmd *ecmd) |
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123 { |
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124 struct e1000_adapter *adapter = netdev_priv(netdev); |
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125 struct e1000_hw *hw = &adapter->hw; |
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126 u32 speed; |
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127 |
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128 if (hw->phy.media_type == e1000_media_type_copper) { |
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129 |
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130 ecmd->supported = (SUPPORTED_10baseT_Half | |
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131 SUPPORTED_10baseT_Full | |
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132 SUPPORTED_100baseT_Half | |
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133 SUPPORTED_100baseT_Full | |
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134 SUPPORTED_1000baseT_Full | |
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135 SUPPORTED_Autoneg | |
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136 SUPPORTED_TP); |
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137 if (hw->phy.type == e1000_phy_ife) |
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138 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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139 ecmd->advertising = ADVERTISED_TP; |
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140 |
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141 if (hw->mac.autoneg == 1) { |
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142 ecmd->advertising |= ADVERTISED_Autoneg; |
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143 /* the e1000 autoneg seems to match ethtool nicely */ |
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144 ecmd->advertising |= hw->phy.autoneg_advertised; |
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145 } |
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146 |
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147 ecmd->port = PORT_TP; |
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148 ecmd->phy_address = hw->phy.addr; |
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149 ecmd->transceiver = XCVR_INTERNAL; |
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150 |
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151 } else { |
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152 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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153 SUPPORTED_FIBRE | |
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154 SUPPORTED_Autoneg); |
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155 |
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156 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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157 ADVERTISED_FIBRE | |
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158 ADVERTISED_Autoneg); |
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159 |
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160 ecmd->port = PORT_FIBRE; |
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161 ecmd->transceiver = XCVR_EXTERNAL; |
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162 } |
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163 |
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164 speed = -1; |
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165 ecmd->duplex = -1; |
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166 |
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167 if (netif_running(netdev)) { |
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168 if (netif_carrier_ok(netdev)) { |
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169 speed = adapter->link_speed; |
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170 ecmd->duplex = adapter->link_duplex - 1; |
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171 } |
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172 } else { |
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173 u32 status = er32(STATUS); |
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174 if (status & E1000_STATUS_LU) { |
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175 if (status & E1000_STATUS_SPEED_1000) |
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176 speed = SPEED_1000; |
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177 else if (status & E1000_STATUS_SPEED_100) |
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178 speed = SPEED_100; |
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179 else |
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180 speed = SPEED_10; |
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181 |
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182 if (status & E1000_STATUS_FD) |
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183 ecmd->duplex = DUPLEX_FULL; |
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184 else |
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185 ecmd->duplex = DUPLEX_HALF; |
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186 } |
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187 } |
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188 |
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189 ethtool_cmd_speed_set(ecmd, speed); |
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190 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || |
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191 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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192 |
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193 /* MDI-X => 2; MDI =>1; Invalid =>0 */ |
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194 if ((hw->phy.media_type == e1000_media_type_copper) && |
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195 netif_carrier_ok(netdev)) |
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196 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : |
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197 ETH_TP_MDI; |
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198 else |
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199 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; |
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200 |
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201 return 0; |
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202 } |
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203 |
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204 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) |
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205 { |
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206 struct e1000_mac_info *mac = &adapter->hw.mac; |
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207 |
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208 mac->autoneg = 0; |
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209 |
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210 /* Make sure dplx is at most 1 bit and lsb of speed is not set |
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211 * for the switch() below to work */ |
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212 if ((spd & 1) || (dplx & ~1)) |
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213 goto err_inval; |
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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 spd != SPEED_1000 && |
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218 dplx != DUPLEX_FULL) { |
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219 goto err_inval; |
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220 } |
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221 |
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222 switch (spd + dplx) { |
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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 goto err_inval; |
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242 } |
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243 return 0; |
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244 |
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245 err_inval: |
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246 e_err("Unsupported Speed/Duplex configuration\n"); |
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247 return -EINVAL; |
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248 } |
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249 |
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250 static int e1000_set_settings(struct net_device *netdev, |
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251 struct ethtool_cmd *ecmd) |
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252 { |
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253 struct e1000_adapter *adapter = netdev_priv(netdev); |
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254 struct e1000_hw *hw = &adapter->hw; |
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255 |
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256 /* |
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257 * When SoL/IDER sessions are active, autoneg/speed/duplex |
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258 * cannot be changed |
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259 */ |
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260 if (e1000_check_reset_block(hw)) { |
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261 e_err("Cannot change link characteristics when SoL/IDER is " |
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262 "active.\n"); |
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263 return -EINVAL; |
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264 } |
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265 |
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266 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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267 usleep_range(1000, 2000); |
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268 |
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269 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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270 hw->mac.autoneg = 1; |
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271 if (hw->phy.media_type == e1000_media_type_fiber) |
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272 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | |
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273 ADVERTISED_FIBRE | |
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274 ADVERTISED_Autoneg; |
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275 else |
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276 hw->phy.autoneg_advertised = ecmd->advertising | |
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277 ADVERTISED_TP | |
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278 ADVERTISED_Autoneg; |
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279 ecmd->advertising = hw->phy.autoneg_advertised; |
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280 if (adapter->fc_autoneg) |
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281 hw->fc.requested_mode = e1000_fc_default; |
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282 } else { |
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283 u32 speed = ethtool_cmd_speed(ecmd); |
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284 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { |
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285 clear_bit(__E1000_RESETTING, &adapter->state); |
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286 return -EINVAL; |
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287 } |
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288 } |
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289 |
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290 /* reset the link */ |
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291 |
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292 if (netif_running(adapter->netdev)) { |
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293 e1000e_down(adapter); |
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294 e1000e_up(adapter); |
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295 } else { |
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296 e1000e_reset(adapter); |
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297 } |
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298 |
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299 clear_bit(__E1000_RESETTING, &adapter->state); |
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300 return 0; |
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301 } |
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302 |
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303 static void e1000_get_pauseparam(struct net_device *netdev, |
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304 struct ethtool_pauseparam *pause) |
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305 { |
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306 struct e1000_adapter *adapter = netdev_priv(netdev); |
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307 struct e1000_hw *hw = &adapter->hw; |
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308 |
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309 pause->autoneg = |
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310 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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311 |
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312 if (hw->fc.current_mode == e1000_fc_rx_pause) { |
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313 pause->rx_pause = 1; |
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314 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { |
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315 pause->tx_pause = 1; |
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316 } else if (hw->fc.current_mode == e1000_fc_full) { |
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317 pause->rx_pause = 1; |
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318 pause->tx_pause = 1; |
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319 } |
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320 } |
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321 |
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322 static int e1000_set_pauseparam(struct net_device *netdev, |
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323 struct ethtool_pauseparam *pause) |
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324 { |
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325 struct e1000_adapter *adapter = netdev_priv(netdev); |
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326 struct e1000_hw *hw = &adapter->hw; |
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327 int retval = 0; |
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328 |
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329 adapter->fc_autoneg = pause->autoneg; |
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330 |
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331 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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332 usleep_range(1000, 2000); |
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333 |
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334 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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335 hw->fc.requested_mode = e1000_fc_default; |
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336 if (netif_running(adapter->netdev)) { |
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337 e1000e_down(adapter); |
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338 e1000e_up(adapter); |
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339 } else { |
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340 e1000e_reset(adapter); |
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341 } |
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342 } else { |
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343 if (pause->rx_pause && pause->tx_pause) |
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344 hw->fc.requested_mode = e1000_fc_full; |
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345 else if (pause->rx_pause && !pause->tx_pause) |
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346 hw->fc.requested_mode = e1000_fc_rx_pause; |
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347 else if (!pause->rx_pause && pause->tx_pause) |
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348 hw->fc.requested_mode = e1000_fc_tx_pause; |
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349 else if (!pause->rx_pause && !pause->tx_pause) |
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350 hw->fc.requested_mode = e1000_fc_none; |
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351 |
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352 hw->fc.current_mode = hw->fc.requested_mode; |
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353 |
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354 if (hw->phy.media_type == e1000_media_type_fiber) { |
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355 retval = hw->mac.ops.setup_link(hw); |
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356 /* implicit goto out */ |
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357 } else { |
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358 retval = e1000e_force_mac_fc(hw); |
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359 if (retval) |
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360 goto out; |
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361 e1000e_set_fc_watermarks(hw); |
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362 } |
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363 } |
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364 |
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365 out: |
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366 clear_bit(__E1000_RESETTING, &adapter->state); |
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367 return retval; |
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368 } |
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369 |
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370 static u32 e1000_get_msglevel(struct net_device *netdev) |
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371 { |
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372 struct e1000_adapter *adapter = netdev_priv(netdev); |
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373 return adapter->msg_enable; |
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374 } |
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375 |
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376 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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377 { |
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378 struct e1000_adapter *adapter = netdev_priv(netdev); |
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379 adapter->msg_enable = data; |
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380 } |
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381 |
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382 static int e1000_get_regs_len(struct net_device *netdev) |
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383 { |
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384 #define E1000_REGS_LEN 32 /* overestimate */ |
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385 return E1000_REGS_LEN * sizeof(u32); |
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386 } |
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387 |
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388 static void e1000_get_regs(struct net_device *netdev, |
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389 struct ethtool_regs *regs, void *p) |
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390 { |
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391 struct e1000_adapter *adapter = netdev_priv(netdev); |
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392 struct e1000_hw *hw = &adapter->hw; |
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393 u32 *regs_buff = p; |
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394 u16 phy_data; |
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395 |
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396 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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397 |
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398 regs->version = (1 << 24) | (adapter->pdev->revision << 16) | |
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399 adapter->pdev->device; |
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400 |
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401 regs_buff[0] = er32(CTRL); |
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402 regs_buff[1] = er32(STATUS); |
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403 |
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404 regs_buff[2] = er32(RCTL); |
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405 regs_buff[3] = er32(RDLEN); |
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406 regs_buff[4] = er32(RDH); |
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407 regs_buff[5] = er32(RDT); |
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408 regs_buff[6] = er32(RDTR); |
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409 |
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410 regs_buff[7] = er32(TCTL); |
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411 regs_buff[8] = er32(TDLEN); |
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412 regs_buff[9] = er32(TDH); |
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413 regs_buff[10] = er32(TDT); |
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414 regs_buff[11] = er32(TIDV); |
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415 |
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416 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ |
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417 |
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418 /* ethtool doesn't use anything past this point, so all this |
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419 * code is likely legacy junk for apps that may or may not |
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420 * exist */ |
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421 if (hw->phy.type == e1000_phy_m88) { |
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422 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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423 regs_buff[13] = (u32)phy_data; /* cable length */ |
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424 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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425 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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426 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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427 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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428 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
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429 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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430 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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431 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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432 /* phy receive errors */ |
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433 regs_buff[22] = adapter->phy_stats.receive_errors; |
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434 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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435 } |
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436 regs_buff[21] = 0; /* was idle_errors */ |
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437 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); |
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438 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
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439 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
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440 } |
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441 |
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442 static int e1000_get_eeprom_len(struct net_device *netdev) |
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443 { |
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444 struct e1000_adapter *adapter = netdev_priv(netdev); |
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445 return adapter->hw.nvm.word_size * 2; |
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446 } |
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447 |
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448 static int e1000_get_eeprom(struct net_device *netdev, |
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449 struct ethtool_eeprom *eeprom, u8 *bytes) |
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450 { |
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451 struct e1000_adapter *adapter = netdev_priv(netdev); |
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452 struct e1000_hw *hw = &adapter->hw; |
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453 u16 *eeprom_buff; |
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454 int first_word; |
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455 int last_word; |
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456 int ret_val = 0; |
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457 u16 i; |
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458 |
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459 if (eeprom->len == 0) |
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460 return -EINVAL; |
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461 |
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462 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); |
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463 |
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464 first_word = eeprom->offset >> 1; |
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465 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
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466 |
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467 eeprom_buff = kmalloc(sizeof(u16) * |
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468 (last_word - first_word + 1), GFP_KERNEL); |
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469 if (!eeprom_buff) |
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470 return -ENOMEM; |
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471 |
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472 if (hw->nvm.type == e1000_nvm_eeprom_spi) { |
|
473 ret_val = e1000_read_nvm(hw, first_word, |
|
474 last_word - first_word + 1, |
|
475 eeprom_buff); |
|
476 } else { |
|
477 for (i = 0; i < last_word - first_word + 1; i++) { |
|
478 ret_val = e1000_read_nvm(hw, first_word + i, 1, |
|
479 &eeprom_buff[i]); |
|
480 if (ret_val) |
|
481 break; |
|
482 } |
|
483 } |
|
484 |
|
485 if (ret_val) { |
|
486 /* a read error occurred, throw away the result */ |
|
487 memset(eeprom_buff, 0xff, sizeof(u16) * |
|
488 (last_word - first_word + 1)); |
|
489 } else { |
|
490 /* Device's eeprom is always little-endian, word addressable */ |
|
491 for (i = 0; i < last_word - first_word + 1; i++) |
|
492 le16_to_cpus(&eeprom_buff[i]); |
|
493 } |
|
494 |
|
495 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
|
496 kfree(eeprom_buff); |
|
497 |
|
498 return ret_val; |
|
499 } |
|
500 |
|
501 static int e1000_set_eeprom(struct net_device *netdev, |
|
502 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
503 { |
|
504 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
505 struct e1000_hw *hw = &adapter->hw; |
|
506 u16 *eeprom_buff; |
|
507 void *ptr; |
|
508 int max_len; |
|
509 int first_word; |
|
510 int last_word; |
|
511 int ret_val = 0; |
|
512 u16 i; |
|
513 |
|
514 if (eeprom->len == 0) |
|
515 return -EOPNOTSUPP; |
|
516 |
|
517 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) |
|
518 return -EFAULT; |
|
519 |
|
520 if (adapter->flags & FLAG_READ_ONLY_NVM) |
|
521 return -EINVAL; |
|
522 |
|
523 max_len = hw->nvm.word_size * 2; |
|
524 |
|
525 first_word = eeprom->offset >> 1; |
|
526 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
527 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
528 if (!eeprom_buff) |
|
529 return -ENOMEM; |
|
530 |
|
531 ptr = (void *)eeprom_buff; |
|
532 |
|
533 if (eeprom->offset & 1) { |
|
534 /* need read/modify/write of first changed EEPROM word */ |
|
535 /* only the second byte of the word is being modified */ |
|
536 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); |
|
537 ptr++; |
|
538 } |
|
539 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) |
|
540 /* need read/modify/write of last changed EEPROM word */ |
|
541 /* only the first byte of the word is being modified */ |
|
542 ret_val = e1000_read_nvm(hw, last_word, 1, |
|
543 &eeprom_buff[last_word - first_word]); |
|
544 |
|
545 if (ret_val) |
|
546 goto out; |
|
547 |
|
548 /* Device's eeprom is always little-endian, word addressable */ |
|
549 for (i = 0; i < last_word - first_word + 1; i++) |
|
550 le16_to_cpus(&eeprom_buff[i]); |
|
551 |
|
552 memcpy(ptr, bytes, eeprom->len); |
|
553 |
|
554 for (i = 0; i < last_word - first_word + 1; i++) |
|
555 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); |
|
556 |
|
557 ret_val = e1000_write_nvm(hw, first_word, |
|
558 last_word - first_word + 1, eeprom_buff); |
|
559 |
|
560 if (ret_val) |
|
561 goto out; |
|
562 |
|
563 /* |
|
564 * Update the checksum over the first part of the EEPROM if needed |
|
565 * and flush shadow RAM for applicable controllers |
|
566 */ |
|
567 if ((first_word <= NVM_CHECKSUM_REG) || |
|
568 (hw->mac.type == e1000_82583) || |
|
569 (hw->mac.type == e1000_82574) || |
|
570 (hw->mac.type == e1000_82573)) |
|
571 ret_val = e1000e_update_nvm_checksum(hw); |
|
572 |
|
573 out: |
|
574 kfree(eeprom_buff); |
|
575 return ret_val; |
|
576 } |
|
577 |
|
578 static void e1000_get_drvinfo(struct net_device *netdev, |
|
579 struct ethtool_drvinfo *drvinfo) |
|
580 { |
|
581 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
582 char firmware_version[32]; |
|
583 |
|
584 strncpy(drvinfo->driver, e1000e_driver_name, |
|
585 sizeof(drvinfo->driver) - 1); |
|
586 strncpy(drvinfo->version, e1000e_driver_version, |
|
587 sizeof(drvinfo->version) - 1); |
|
588 |
|
589 /* |
|
590 * EEPROM image version # is reported as firmware version # for |
|
591 * PCI-E controllers |
|
592 */ |
|
593 snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d", |
|
594 (adapter->eeprom_vers & 0xF000) >> 12, |
|
595 (adapter->eeprom_vers & 0x0FF0) >> 4, |
|
596 (adapter->eeprom_vers & 0x000F)); |
|
597 |
|
598 strncpy(drvinfo->fw_version, firmware_version, |
|
599 sizeof(drvinfo->fw_version) - 1); |
|
600 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), |
|
601 sizeof(drvinfo->bus_info) - 1); |
|
602 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
603 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
604 } |
|
605 |
|
606 static void e1000_get_ringparam(struct net_device *netdev, |
|
607 struct ethtool_ringparam *ring) |
|
608 { |
|
609 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
610 struct e1000_ring *tx_ring = adapter->tx_ring; |
|
611 struct e1000_ring *rx_ring = adapter->rx_ring; |
|
612 |
|
613 ring->rx_max_pending = E1000_MAX_RXD; |
|
614 ring->tx_max_pending = E1000_MAX_TXD; |
|
615 ring->rx_pending = rx_ring->count; |
|
616 ring->tx_pending = tx_ring->count; |
|
617 } |
|
618 |
|
619 static int e1000_set_ringparam(struct net_device *netdev, |
|
620 struct ethtool_ringparam *ring) |
|
621 { |
|
622 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
623 struct e1000_ring *tx_ring, *tx_old; |
|
624 struct e1000_ring *rx_ring, *rx_old; |
|
625 int err; |
|
626 |
|
627 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
628 return -EINVAL; |
|
629 |
|
630 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
|
631 usleep_range(1000, 2000); |
|
632 |
|
633 if (netif_running(adapter->netdev)) |
|
634 e1000e_down(adapter); |
|
635 |
|
636 tx_old = adapter->tx_ring; |
|
637 rx_old = adapter->rx_ring; |
|
638 |
|
639 err = -ENOMEM; |
|
640 tx_ring = kmemdup(tx_old, sizeof(struct e1000_ring), GFP_KERNEL); |
|
641 if (!tx_ring) |
|
642 goto err_alloc_tx; |
|
643 |
|
644 rx_ring = kmemdup(rx_old, sizeof(struct e1000_ring), GFP_KERNEL); |
|
645 if (!rx_ring) |
|
646 goto err_alloc_rx; |
|
647 |
|
648 adapter->tx_ring = tx_ring; |
|
649 adapter->rx_ring = rx_ring; |
|
650 |
|
651 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); |
|
652 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); |
|
653 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
654 |
|
655 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); |
|
656 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); |
|
657 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
658 |
|
659 if (netif_running(adapter->netdev)) { |
|
660 /* Try to get new resources before deleting old */ |
|
661 err = e1000e_setup_rx_resources(adapter); |
|
662 if (err) |
|
663 goto err_setup_rx; |
|
664 err = e1000e_setup_tx_resources(adapter); |
|
665 if (err) |
|
666 goto err_setup_tx; |
|
667 |
|
668 /* |
|
669 * restore the old in order to free it, |
|
670 * then add in the new |
|
671 */ |
|
672 adapter->rx_ring = rx_old; |
|
673 adapter->tx_ring = tx_old; |
|
674 e1000e_free_rx_resources(adapter); |
|
675 e1000e_free_tx_resources(adapter); |
|
676 kfree(tx_old); |
|
677 kfree(rx_old); |
|
678 adapter->rx_ring = rx_ring; |
|
679 adapter->tx_ring = tx_ring; |
|
680 err = e1000e_up(adapter); |
|
681 if (err) |
|
682 goto err_setup; |
|
683 } |
|
684 |
|
685 clear_bit(__E1000_RESETTING, &adapter->state); |
|
686 return 0; |
|
687 err_setup_tx: |
|
688 e1000e_free_rx_resources(adapter); |
|
689 err_setup_rx: |
|
690 adapter->rx_ring = rx_old; |
|
691 adapter->tx_ring = tx_old; |
|
692 kfree(rx_ring); |
|
693 err_alloc_rx: |
|
694 kfree(tx_ring); |
|
695 err_alloc_tx: |
|
696 e1000e_up(adapter); |
|
697 err_setup: |
|
698 clear_bit(__E1000_RESETTING, &adapter->state); |
|
699 return err; |
|
700 } |
|
701 |
|
702 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, |
|
703 int reg, int offset, u32 mask, u32 write) |
|
704 { |
|
705 u32 pat, val; |
|
706 static const u32 test[] = { |
|
707 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
708 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { |
|
709 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, |
|
710 (test[pat] & write)); |
|
711 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); |
|
712 if (val != (test[pat] & write & mask)) { |
|
713 e_err("pattern test reg %04X failed: got 0x%08X " |
|
714 "expected 0x%08X\n", reg + offset, val, |
|
715 (test[pat] & write & mask)); |
|
716 *data = reg; |
|
717 return 1; |
|
718 } |
|
719 } |
|
720 return 0; |
|
721 } |
|
722 |
|
723 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, |
|
724 int reg, u32 mask, u32 write) |
|
725 { |
|
726 u32 val; |
|
727 __ew32(&adapter->hw, reg, write & mask); |
|
728 val = __er32(&adapter->hw, reg); |
|
729 if ((write & mask) != (val & mask)) { |
|
730 e_err("set/check reg %04X test failed: got 0x%08X " |
|
731 "expected 0x%08X\n", reg, (val & mask), (write & mask)); |
|
732 *data = reg; |
|
733 return 1; |
|
734 } |
|
735 return 0; |
|
736 } |
|
737 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ |
|
738 do { \ |
|
739 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ |
|
740 return 1; \ |
|
741 } while (0) |
|
742 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
743 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) |
|
744 |
|
745 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
746 do { \ |
|
747 if (reg_set_and_check(adapter, data, reg, mask, write)) \ |
|
748 return 1; \ |
|
749 } while (0) |
|
750 |
|
751 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
752 { |
|
753 struct e1000_hw *hw = &adapter->hw; |
|
754 struct e1000_mac_info *mac = &adapter->hw.mac; |
|
755 u32 value; |
|
756 u32 before; |
|
757 u32 after; |
|
758 u32 i; |
|
759 u32 toggle; |
|
760 u32 mask; |
|
761 |
|
762 /* |
|
763 * The status register is Read Only, so a write should fail. |
|
764 * Some bits that get toggled are ignored. |
|
765 */ |
|
766 switch (mac->type) { |
|
767 /* there are several bits on newer hardware that are r/w */ |
|
768 case e1000_82571: |
|
769 case e1000_82572: |
|
770 case e1000_80003es2lan: |
|
771 toggle = 0x7FFFF3FF; |
|
772 break; |
|
773 default: |
|
774 toggle = 0x7FFFF033; |
|
775 break; |
|
776 } |
|
777 |
|
778 before = er32(STATUS); |
|
779 value = (er32(STATUS) & toggle); |
|
780 ew32(STATUS, toggle); |
|
781 after = er32(STATUS) & toggle; |
|
782 if (value != after) { |
|
783 e_err("failed STATUS register test got: 0x%08X expected: " |
|
784 "0x%08X\n", after, value); |
|
785 *data = 1; |
|
786 return 1; |
|
787 } |
|
788 /* restore previous status */ |
|
789 ew32(STATUS, before); |
|
790 |
|
791 if (!(adapter->flags & FLAG_IS_ICH)) { |
|
792 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
793 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
794 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
795 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); |
|
796 } |
|
797 |
|
798 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
799 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
800 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); |
|
801 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); |
|
802 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); |
|
803 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
804 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
805 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
806 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
807 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); |
|
808 |
|
809 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); |
|
810 |
|
811 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); |
|
812 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); |
|
813 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); |
|
814 |
|
815 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); |
|
816 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
817 if (!(adapter->flags & FLAG_IS_ICH)) |
|
818 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); |
|
819 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
820 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); |
|
821 mask = 0x8003FFFF; |
|
822 switch (mac->type) { |
|
823 case e1000_ich10lan: |
|
824 case e1000_pchlan: |
|
825 case e1000_pch2lan: |
|
826 mask |= (1 << 18); |
|
827 break; |
|
828 default: |
|
829 break; |
|
830 } |
|
831 for (i = 0; i < mac->rar_entry_count; i++) |
|
832 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), |
|
833 mask, 0xFFFFFFFF); |
|
834 |
|
835 for (i = 0; i < mac->mta_reg_count; i++) |
|
836 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); |
|
837 |
|
838 *data = 0; |
|
839 return 0; |
|
840 } |
|
841 |
|
842 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
843 { |
|
844 u16 temp; |
|
845 u16 checksum = 0; |
|
846 u16 i; |
|
847 |
|
848 *data = 0; |
|
849 /* Read and add up the contents of the EEPROM */ |
|
850 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { |
|
851 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { |
|
852 *data = 1; |
|
853 return *data; |
|
854 } |
|
855 checksum += temp; |
|
856 } |
|
857 |
|
858 /* If Checksum is not Correct return error else test passed */ |
|
859 if ((checksum != (u16) NVM_SUM) && !(*data)) |
|
860 *data = 2; |
|
861 |
|
862 return *data; |
|
863 } |
|
864 |
|
865 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
866 { |
|
867 struct net_device *netdev = (struct net_device *) data; |
|
868 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
869 struct e1000_hw *hw = &adapter->hw; |
|
870 |
|
871 adapter->test_icr |= er32(ICR); |
|
872 |
|
873 return IRQ_HANDLED; |
|
874 } |
|
875 |
|
876 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
877 { |
|
878 struct net_device *netdev = adapter->netdev; |
|
879 struct e1000_hw *hw = &adapter->hw; |
|
880 u32 mask; |
|
881 u32 shared_int = 1; |
|
882 u32 irq = adapter->pdev->irq; |
|
883 int i; |
|
884 int ret_val = 0; |
|
885 int int_mode = E1000E_INT_MODE_LEGACY; |
|
886 |
|
887 *data = 0; |
|
888 |
|
889 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ |
|
890 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { |
|
891 int_mode = adapter->int_mode; |
|
892 e1000e_reset_interrupt_capability(adapter); |
|
893 adapter->int_mode = E1000E_INT_MODE_LEGACY; |
|
894 e1000e_set_interrupt_capability(adapter); |
|
895 } |
|
896 /* Hook up test interrupt handler just for this test */ |
|
897 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
898 netdev)) { |
|
899 shared_int = 0; |
|
900 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, |
|
901 netdev->name, netdev)) { |
|
902 *data = 1; |
|
903 ret_val = -1; |
|
904 goto out; |
|
905 } |
|
906 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); |
|
907 |
|
908 /* Disable all the interrupts */ |
|
909 ew32(IMC, 0xFFFFFFFF); |
|
910 e1e_flush(); |
|
911 usleep_range(10000, 20000); |
|
912 |
|
913 /* Test each interrupt */ |
|
914 for (i = 0; i < 10; i++) { |
|
915 /* Interrupt to test */ |
|
916 mask = 1 << i; |
|
917 |
|
918 if (adapter->flags & FLAG_IS_ICH) { |
|
919 switch (mask) { |
|
920 case E1000_ICR_RXSEQ: |
|
921 continue; |
|
922 case 0x00000100: |
|
923 if (adapter->hw.mac.type == e1000_ich8lan || |
|
924 adapter->hw.mac.type == e1000_ich9lan) |
|
925 continue; |
|
926 break; |
|
927 default: |
|
928 break; |
|
929 } |
|
930 } |
|
931 |
|
932 if (!shared_int) { |
|
933 /* |
|
934 * Disable the interrupt to be reported in |
|
935 * the cause register and then force the same |
|
936 * interrupt and see if one gets posted. If |
|
937 * an interrupt was posted to the bus, the |
|
938 * test failed. |
|
939 */ |
|
940 adapter->test_icr = 0; |
|
941 ew32(IMC, mask); |
|
942 ew32(ICS, mask); |
|
943 e1e_flush(); |
|
944 usleep_range(10000, 20000); |
|
945 |
|
946 if (adapter->test_icr & mask) { |
|
947 *data = 3; |
|
948 break; |
|
949 } |
|
950 } |
|
951 |
|
952 /* |
|
953 * Enable the interrupt to be reported in |
|
954 * the cause register and then force the same |
|
955 * interrupt and see if one gets posted. If |
|
956 * an interrupt was not posted to the bus, the |
|
957 * test failed. |
|
958 */ |
|
959 adapter->test_icr = 0; |
|
960 ew32(IMS, mask); |
|
961 ew32(ICS, mask); |
|
962 e1e_flush(); |
|
963 usleep_range(10000, 20000); |
|
964 |
|
965 if (!(adapter->test_icr & mask)) { |
|
966 *data = 4; |
|
967 break; |
|
968 } |
|
969 |
|
970 if (!shared_int) { |
|
971 /* |
|
972 * Disable the other interrupts to be reported in |
|
973 * the cause register and then force the other |
|
974 * interrupts and see if any get posted. If |
|
975 * an interrupt was posted to the bus, the |
|
976 * test failed. |
|
977 */ |
|
978 adapter->test_icr = 0; |
|
979 ew32(IMC, ~mask & 0x00007FFF); |
|
980 ew32(ICS, ~mask & 0x00007FFF); |
|
981 e1e_flush(); |
|
982 usleep_range(10000, 20000); |
|
983 |
|
984 if (adapter->test_icr) { |
|
985 *data = 5; |
|
986 break; |
|
987 } |
|
988 } |
|
989 } |
|
990 |
|
991 /* Disable all the interrupts */ |
|
992 ew32(IMC, 0xFFFFFFFF); |
|
993 e1e_flush(); |
|
994 usleep_range(10000, 20000); |
|
995 |
|
996 /* Unhook test interrupt handler */ |
|
997 free_irq(irq, netdev); |
|
998 |
|
999 out: |
|
1000 if (int_mode == E1000E_INT_MODE_MSIX) { |
|
1001 e1000e_reset_interrupt_capability(adapter); |
|
1002 adapter->int_mode = int_mode; |
|
1003 e1000e_set_interrupt_capability(adapter); |
|
1004 } |
|
1005 |
|
1006 return ret_val; |
|
1007 } |
|
1008 |
|
1009 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
1010 { |
|
1011 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1012 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1013 struct pci_dev *pdev = adapter->pdev; |
|
1014 int i; |
|
1015 |
|
1016 if (tx_ring->desc && tx_ring->buffer_info) { |
|
1017 for (i = 0; i < tx_ring->count; i++) { |
|
1018 if (tx_ring->buffer_info[i].dma) |
|
1019 dma_unmap_single(&pdev->dev, |
|
1020 tx_ring->buffer_info[i].dma, |
|
1021 tx_ring->buffer_info[i].length, |
|
1022 DMA_TO_DEVICE); |
|
1023 if (tx_ring->buffer_info[i].skb) |
|
1024 dev_kfree_skb(tx_ring->buffer_info[i].skb); |
|
1025 } |
|
1026 } |
|
1027 |
|
1028 if (rx_ring->desc && rx_ring->buffer_info) { |
|
1029 for (i = 0; i < rx_ring->count; i++) { |
|
1030 if (rx_ring->buffer_info[i].dma) |
|
1031 dma_unmap_single(&pdev->dev, |
|
1032 rx_ring->buffer_info[i].dma, |
|
1033 2048, DMA_FROM_DEVICE); |
|
1034 if (rx_ring->buffer_info[i].skb) |
|
1035 dev_kfree_skb(rx_ring->buffer_info[i].skb); |
|
1036 } |
|
1037 } |
|
1038 |
|
1039 if (tx_ring->desc) { |
|
1040 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, |
|
1041 tx_ring->dma); |
|
1042 tx_ring->desc = NULL; |
|
1043 } |
|
1044 if (rx_ring->desc) { |
|
1045 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, |
|
1046 rx_ring->dma); |
|
1047 rx_ring->desc = NULL; |
|
1048 } |
|
1049 |
|
1050 kfree(tx_ring->buffer_info); |
|
1051 tx_ring->buffer_info = NULL; |
|
1052 kfree(rx_ring->buffer_info); |
|
1053 rx_ring->buffer_info = NULL; |
|
1054 } |
|
1055 |
|
1056 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1057 { |
|
1058 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1059 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1060 struct pci_dev *pdev = adapter->pdev; |
|
1061 struct e1000_hw *hw = &adapter->hw; |
|
1062 u32 rctl; |
|
1063 int i; |
|
1064 int ret_val; |
|
1065 |
|
1066 /* Setup Tx descriptor ring and Tx buffers */ |
|
1067 |
|
1068 if (!tx_ring->count) |
|
1069 tx_ring->count = E1000_DEFAULT_TXD; |
|
1070 |
|
1071 tx_ring->buffer_info = kcalloc(tx_ring->count, |
|
1072 sizeof(struct e1000_buffer), |
|
1073 GFP_KERNEL); |
|
1074 if (!(tx_ring->buffer_info)) { |
|
1075 ret_val = 1; |
|
1076 goto err_nomem; |
|
1077 } |
|
1078 |
|
1079 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); |
|
1080 tx_ring->size = ALIGN(tx_ring->size, 4096); |
|
1081 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, |
|
1082 &tx_ring->dma, GFP_KERNEL); |
|
1083 if (!tx_ring->desc) { |
|
1084 ret_val = 2; |
|
1085 goto err_nomem; |
|
1086 } |
|
1087 tx_ring->next_to_use = 0; |
|
1088 tx_ring->next_to_clean = 0; |
|
1089 |
|
1090 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); |
|
1091 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); |
|
1092 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); |
|
1093 ew32(TDH, 0); |
|
1094 ew32(TDT, 0); |
|
1095 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | |
|
1096 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1097 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1098 |
|
1099 for (i = 0; i < tx_ring->count; i++) { |
|
1100 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); |
|
1101 struct sk_buff *skb; |
|
1102 unsigned int skb_size = 1024; |
|
1103 |
|
1104 skb = alloc_skb(skb_size, GFP_KERNEL); |
|
1105 if (!skb) { |
|
1106 ret_val = 3; |
|
1107 goto err_nomem; |
|
1108 } |
|
1109 skb_put(skb, skb_size); |
|
1110 tx_ring->buffer_info[i].skb = skb; |
|
1111 tx_ring->buffer_info[i].length = skb->len; |
|
1112 tx_ring->buffer_info[i].dma = |
|
1113 dma_map_single(&pdev->dev, skb->data, skb->len, |
|
1114 DMA_TO_DEVICE); |
|
1115 if (dma_mapping_error(&pdev->dev, |
|
1116 tx_ring->buffer_info[i].dma)) { |
|
1117 ret_val = 4; |
|
1118 goto err_nomem; |
|
1119 } |
|
1120 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); |
|
1121 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1122 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1123 E1000_TXD_CMD_IFCS | |
|
1124 E1000_TXD_CMD_RS); |
|
1125 tx_desc->upper.data = 0; |
|
1126 } |
|
1127 |
|
1128 /* Setup Rx descriptor ring and Rx buffers */ |
|
1129 |
|
1130 if (!rx_ring->count) |
|
1131 rx_ring->count = E1000_DEFAULT_RXD; |
|
1132 |
|
1133 rx_ring->buffer_info = kcalloc(rx_ring->count, |
|
1134 sizeof(struct e1000_buffer), |
|
1135 GFP_KERNEL); |
|
1136 if (!(rx_ring->buffer_info)) { |
|
1137 ret_val = 5; |
|
1138 goto err_nomem; |
|
1139 } |
|
1140 |
|
1141 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended); |
|
1142 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, |
|
1143 &rx_ring->dma, GFP_KERNEL); |
|
1144 if (!rx_ring->desc) { |
|
1145 ret_val = 6; |
|
1146 goto err_nomem; |
|
1147 } |
|
1148 rx_ring->next_to_use = 0; |
|
1149 rx_ring->next_to_clean = 0; |
|
1150 |
|
1151 rctl = er32(RCTL); |
|
1152 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX)) |
|
1153 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1154 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); |
|
1155 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); |
|
1156 ew32(RDLEN, rx_ring->size); |
|
1157 ew32(RDH, 0); |
|
1158 ew32(RDT, 0); |
|
1159 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1160 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | |
|
1161 E1000_RCTL_SBP | E1000_RCTL_SECRC | |
|
1162 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1163 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1164 ew32(RCTL, rctl); |
|
1165 |
|
1166 for (i = 0; i < rx_ring->count; i++) { |
|
1167 union e1000_rx_desc_extended *rx_desc; |
|
1168 struct sk_buff *skb; |
|
1169 |
|
1170 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1171 if (!skb) { |
|
1172 ret_val = 7; |
|
1173 goto err_nomem; |
|
1174 } |
|
1175 skb_reserve(skb, NET_IP_ALIGN); |
|
1176 rx_ring->buffer_info[i].skb = skb; |
|
1177 rx_ring->buffer_info[i].dma = |
|
1178 dma_map_single(&pdev->dev, skb->data, 2048, |
|
1179 DMA_FROM_DEVICE); |
|
1180 if (dma_mapping_error(&pdev->dev, |
|
1181 rx_ring->buffer_info[i].dma)) { |
|
1182 ret_val = 8; |
|
1183 goto err_nomem; |
|
1184 } |
|
1185 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i); |
|
1186 rx_desc->read.buffer_addr = |
|
1187 cpu_to_le64(rx_ring->buffer_info[i].dma); |
|
1188 memset(skb->data, 0x00, skb->len); |
|
1189 } |
|
1190 |
|
1191 return 0; |
|
1192 |
|
1193 err_nomem: |
|
1194 e1000_free_desc_rings(adapter); |
|
1195 return ret_val; |
|
1196 } |
|
1197 |
|
1198 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1199 { |
|
1200 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1201 e1e_wphy(&adapter->hw, 29, 0x001F); |
|
1202 e1e_wphy(&adapter->hw, 30, 0x8FFC); |
|
1203 e1e_wphy(&adapter->hw, 29, 0x001A); |
|
1204 e1e_wphy(&adapter->hw, 30, 0x8FF0); |
|
1205 } |
|
1206 |
|
1207 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1208 { |
|
1209 struct e1000_hw *hw = &adapter->hw; |
|
1210 u32 ctrl_reg = 0; |
|
1211 u16 phy_reg = 0; |
|
1212 s32 ret_val = 0; |
|
1213 |
|
1214 hw->mac.autoneg = 0; |
|
1215 |
|
1216 if (hw->phy.type == e1000_phy_ife) { |
|
1217 /* force 100, set loopback */ |
|
1218 e1e_wphy(hw, PHY_CONTROL, 0x6100); |
|
1219 |
|
1220 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1221 ctrl_reg = er32(CTRL); |
|
1222 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1223 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1224 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1225 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1226 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1227 |
|
1228 ew32(CTRL, ctrl_reg); |
|
1229 e1e_flush(); |
|
1230 udelay(500); |
|
1231 |
|
1232 return 0; |
|
1233 } |
|
1234 |
|
1235 /* Specific PHY configuration for loopback */ |
|
1236 switch (hw->phy.type) { |
|
1237 case e1000_phy_m88: |
|
1238 /* Auto-MDI/MDIX Off */ |
|
1239 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1240 /* reset to update Auto-MDI/MDIX */ |
|
1241 e1e_wphy(hw, PHY_CONTROL, 0x9140); |
|
1242 /* autoneg off */ |
|
1243 e1e_wphy(hw, PHY_CONTROL, 0x8140); |
|
1244 break; |
|
1245 case e1000_phy_gg82563: |
|
1246 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); |
|
1247 break; |
|
1248 case e1000_phy_bm: |
|
1249 /* Set Default MAC Interface speed to 1GB */ |
|
1250 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); |
|
1251 phy_reg &= ~0x0007; |
|
1252 phy_reg |= 0x006; |
|
1253 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); |
|
1254 /* Assert SW reset for above settings to take effect */ |
|
1255 e1000e_commit_phy(hw); |
|
1256 mdelay(1); |
|
1257 /* Force Full Duplex */ |
|
1258 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1259 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); |
|
1260 /* Set Link Up (in force link) */ |
|
1261 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); |
|
1262 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); |
|
1263 /* Force Link */ |
|
1264 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1265 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); |
|
1266 /* Set Early Link Enable */ |
|
1267 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); |
|
1268 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); |
|
1269 break; |
|
1270 case e1000_phy_82577: |
|
1271 case e1000_phy_82578: |
|
1272 /* Workaround: K1 must be disabled for stable 1Gbps operation */ |
|
1273 ret_val = hw->phy.ops.acquire(hw); |
|
1274 if (ret_val) { |
|
1275 e_err("Cannot setup 1Gbps loopback.\n"); |
|
1276 return ret_val; |
|
1277 } |
|
1278 e1000_configure_k1_ich8lan(hw, false); |
|
1279 hw->phy.ops.release(hw); |
|
1280 break; |
|
1281 case e1000_phy_82579: |
|
1282 /* Disable PHY energy detect power down */ |
|
1283 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); |
|
1284 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); |
|
1285 /* Disable full chip energy detect */ |
|
1286 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); |
|
1287 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); |
|
1288 /* Enable loopback on the PHY */ |
|
1289 #define I82577_PHY_LBK_CTRL 19 |
|
1290 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); |
|
1291 break; |
|
1292 default: |
|
1293 break; |
|
1294 } |
|
1295 |
|
1296 /* force 1000, set loopback */ |
|
1297 e1e_wphy(hw, PHY_CONTROL, 0x4140); |
|
1298 mdelay(250); |
|
1299 |
|
1300 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1301 ctrl_reg = er32(CTRL); |
|
1302 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1303 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1304 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1305 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1306 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1307 |
|
1308 if (adapter->flags & FLAG_IS_ICH) |
|
1309 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ |
|
1310 |
|
1311 if (hw->phy.media_type == e1000_media_type_copper && |
|
1312 hw->phy.type == e1000_phy_m88) { |
|
1313 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1314 } else { |
|
1315 /* |
|
1316 * Set the ILOS bit on the fiber Nic if half duplex link is |
|
1317 * detected. |
|
1318 */ |
|
1319 if ((er32(STATUS) & E1000_STATUS_FD) == 0) |
|
1320 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1321 } |
|
1322 |
|
1323 ew32(CTRL, ctrl_reg); |
|
1324 |
|
1325 /* |
|
1326 * Disable the receiver on the PHY so when a cable is plugged in, the |
|
1327 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1328 */ |
|
1329 if (hw->phy.type == e1000_phy_m88) |
|
1330 e1000_phy_disable_receiver(adapter); |
|
1331 |
|
1332 udelay(500); |
|
1333 |
|
1334 return 0; |
|
1335 } |
|
1336 |
|
1337 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) |
|
1338 { |
|
1339 struct e1000_hw *hw = &adapter->hw; |
|
1340 u32 ctrl = er32(CTRL); |
|
1341 int link = 0; |
|
1342 |
|
1343 /* special requirements for 82571/82572 fiber adapters */ |
|
1344 |
|
1345 /* |
|
1346 * jump through hoops to make sure link is up because serdes |
|
1347 * link is hardwired up |
|
1348 */ |
|
1349 ctrl |= E1000_CTRL_SLU; |
|
1350 ew32(CTRL, ctrl); |
|
1351 |
|
1352 /* disable autoneg */ |
|
1353 ctrl = er32(TXCW); |
|
1354 ctrl &= ~(1 << 31); |
|
1355 ew32(TXCW, ctrl); |
|
1356 |
|
1357 link = (er32(STATUS) & E1000_STATUS_LU); |
|
1358 |
|
1359 if (!link) { |
|
1360 /* set invert loss of signal */ |
|
1361 ctrl = er32(CTRL); |
|
1362 ctrl |= E1000_CTRL_ILOS; |
|
1363 ew32(CTRL, ctrl); |
|
1364 } |
|
1365 |
|
1366 /* |
|
1367 * special write to serdes control register to enable SerDes analog |
|
1368 * loopback |
|
1369 */ |
|
1370 #define E1000_SERDES_LB_ON 0x410 |
|
1371 ew32(SCTL, E1000_SERDES_LB_ON); |
|
1372 e1e_flush(); |
|
1373 usleep_range(10000, 20000); |
|
1374 |
|
1375 return 0; |
|
1376 } |
|
1377 |
|
1378 /* only call this for fiber/serdes connections to es2lan */ |
|
1379 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) |
|
1380 { |
|
1381 struct e1000_hw *hw = &adapter->hw; |
|
1382 u32 ctrlext = er32(CTRL_EXT); |
|
1383 u32 ctrl = er32(CTRL); |
|
1384 |
|
1385 /* |
|
1386 * save CTRL_EXT to restore later, reuse an empty variable (unused |
|
1387 * on mac_type 80003es2lan) |
|
1388 */ |
|
1389 adapter->tx_fifo_head = ctrlext; |
|
1390 |
|
1391 /* clear the serdes mode bits, putting the device into mac loopback */ |
|
1392 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; |
|
1393 ew32(CTRL_EXT, ctrlext); |
|
1394 |
|
1395 /* force speed to 1000/FD, link up */ |
|
1396 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); |
|
1397 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | |
|
1398 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); |
|
1399 ew32(CTRL, ctrl); |
|
1400 |
|
1401 /* set mac loopback */ |
|
1402 ctrl = er32(RCTL); |
|
1403 ctrl |= E1000_RCTL_LBM_MAC; |
|
1404 ew32(RCTL, ctrl); |
|
1405 |
|
1406 /* set testing mode parameters (no need to reset later) */ |
|
1407 #define KMRNCTRLSTA_OPMODE (0x1F << 16) |
|
1408 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 |
|
1409 ew32(KMRNCTRLSTA, |
|
1410 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); |
|
1411 |
|
1412 return 0; |
|
1413 } |
|
1414 |
|
1415 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1416 { |
|
1417 struct e1000_hw *hw = &adapter->hw; |
|
1418 u32 rctl; |
|
1419 |
|
1420 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1421 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1422 switch (hw->mac.type) { |
|
1423 case e1000_80003es2lan: |
|
1424 return e1000_set_es2lan_mac_loopback(adapter); |
|
1425 break; |
|
1426 case e1000_82571: |
|
1427 case e1000_82572: |
|
1428 return e1000_set_82571_fiber_loopback(adapter); |
|
1429 break; |
|
1430 default: |
|
1431 rctl = er32(RCTL); |
|
1432 rctl |= E1000_RCTL_LBM_TCVR; |
|
1433 ew32(RCTL, rctl); |
|
1434 return 0; |
|
1435 } |
|
1436 } else if (hw->phy.media_type == e1000_media_type_copper) { |
|
1437 return e1000_integrated_phy_loopback(adapter); |
|
1438 } |
|
1439 |
|
1440 return 7; |
|
1441 } |
|
1442 |
|
1443 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1444 { |
|
1445 struct e1000_hw *hw = &adapter->hw; |
|
1446 u32 rctl; |
|
1447 u16 phy_reg; |
|
1448 |
|
1449 rctl = er32(RCTL); |
|
1450 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1451 ew32(RCTL, rctl); |
|
1452 |
|
1453 switch (hw->mac.type) { |
|
1454 case e1000_80003es2lan: |
|
1455 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1456 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1457 /* restore CTRL_EXT, stealing space from tx_fifo_head */ |
|
1458 ew32(CTRL_EXT, adapter->tx_fifo_head); |
|
1459 adapter->tx_fifo_head = 0; |
|
1460 } |
|
1461 /* fall through */ |
|
1462 case e1000_82571: |
|
1463 case e1000_82572: |
|
1464 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1465 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1466 #define E1000_SERDES_LB_OFF 0x400 |
|
1467 ew32(SCTL, E1000_SERDES_LB_OFF); |
|
1468 e1e_flush(); |
|
1469 usleep_range(10000, 20000); |
|
1470 break; |
|
1471 } |
|
1472 /* Fall Through */ |
|
1473 default: |
|
1474 hw->mac.autoneg = 1; |
|
1475 if (hw->phy.type == e1000_phy_gg82563) |
|
1476 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); |
|
1477 e1e_rphy(hw, PHY_CONTROL, &phy_reg); |
|
1478 if (phy_reg & MII_CR_LOOPBACK) { |
|
1479 phy_reg &= ~MII_CR_LOOPBACK; |
|
1480 e1e_wphy(hw, PHY_CONTROL, phy_reg); |
|
1481 e1000e_commit_phy(hw); |
|
1482 } |
|
1483 break; |
|
1484 } |
|
1485 } |
|
1486 |
|
1487 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1488 unsigned int frame_size) |
|
1489 { |
|
1490 memset(skb->data, 0xFF, frame_size); |
|
1491 frame_size &= ~1; |
|
1492 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1493 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1494 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1495 } |
|
1496 |
|
1497 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1498 unsigned int frame_size) |
|
1499 { |
|
1500 frame_size &= ~1; |
|
1501 if (*(skb->data + 3) == 0xFF) |
|
1502 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1503 (*(skb->data + frame_size / 2 + 12) == 0xAF)) |
|
1504 return 0; |
|
1505 return 13; |
|
1506 } |
|
1507 |
|
1508 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1509 { |
|
1510 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1511 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1512 struct pci_dev *pdev = adapter->pdev; |
|
1513 struct e1000_hw *hw = &adapter->hw; |
|
1514 int i, j, k, l; |
|
1515 int lc; |
|
1516 int good_cnt; |
|
1517 int ret_val = 0; |
|
1518 unsigned long time; |
|
1519 |
|
1520 ew32(RDT, rx_ring->count - 1); |
|
1521 |
|
1522 /* |
|
1523 * Calculate the loop count based on the largest descriptor ring |
|
1524 * The idea is to wrap the largest ring a number of times using 64 |
|
1525 * send/receive pairs during each loop |
|
1526 */ |
|
1527 |
|
1528 if (rx_ring->count <= tx_ring->count) |
|
1529 lc = ((tx_ring->count / 64) * 2) + 1; |
|
1530 else |
|
1531 lc = ((rx_ring->count / 64) * 2) + 1; |
|
1532 |
|
1533 k = 0; |
|
1534 l = 0; |
|
1535 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1536 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1537 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, |
|
1538 1024); |
|
1539 dma_sync_single_for_device(&pdev->dev, |
|
1540 tx_ring->buffer_info[k].dma, |
|
1541 tx_ring->buffer_info[k].length, |
|
1542 DMA_TO_DEVICE); |
|
1543 k++; |
|
1544 if (k == tx_ring->count) |
|
1545 k = 0; |
|
1546 } |
|
1547 ew32(TDT, k); |
|
1548 e1e_flush(); |
|
1549 msleep(200); |
|
1550 time = jiffies; /* set the start time for the receive */ |
|
1551 good_cnt = 0; |
|
1552 do { /* receive the sent packets */ |
|
1553 dma_sync_single_for_cpu(&pdev->dev, |
|
1554 rx_ring->buffer_info[l].dma, 2048, |
|
1555 DMA_FROM_DEVICE); |
|
1556 |
|
1557 ret_val = e1000_check_lbtest_frame( |
|
1558 rx_ring->buffer_info[l].skb, 1024); |
|
1559 if (!ret_val) |
|
1560 good_cnt++; |
|
1561 l++; |
|
1562 if (l == rx_ring->count) |
|
1563 l = 0; |
|
1564 /* |
|
1565 * time + 20 msecs (200 msecs on 2.4) is more than |
|
1566 * enough time to complete the receives, if it's |
|
1567 * exceeded, break and error off |
|
1568 */ |
|
1569 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); |
|
1570 if (good_cnt != 64) { |
|
1571 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1572 break; |
|
1573 } |
|
1574 if (jiffies >= (time + 20)) { |
|
1575 ret_val = 14; /* error code for time out error */ |
|
1576 break; |
|
1577 } |
|
1578 } /* end loop count loop */ |
|
1579 return ret_val; |
|
1580 } |
|
1581 |
|
1582 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1583 { |
|
1584 /* |
|
1585 * PHY loopback cannot be performed if SoL/IDER |
|
1586 * sessions are active |
|
1587 */ |
|
1588 if (e1000_check_reset_block(&adapter->hw)) { |
|
1589 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); |
|
1590 *data = 0; |
|
1591 goto out; |
|
1592 } |
|
1593 |
|
1594 *data = e1000_setup_desc_rings(adapter); |
|
1595 if (*data) |
|
1596 goto out; |
|
1597 |
|
1598 *data = e1000_setup_loopback_test(adapter); |
|
1599 if (*data) |
|
1600 goto err_loopback; |
|
1601 |
|
1602 *data = e1000_run_loopback_test(adapter); |
|
1603 e1000_loopback_cleanup(adapter); |
|
1604 |
|
1605 err_loopback: |
|
1606 e1000_free_desc_rings(adapter); |
|
1607 out: |
|
1608 return *data; |
|
1609 } |
|
1610 |
|
1611 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1612 { |
|
1613 struct e1000_hw *hw = &adapter->hw; |
|
1614 |
|
1615 *data = 0; |
|
1616 if (hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1617 int i = 0; |
|
1618 hw->mac.serdes_has_link = false; |
|
1619 |
|
1620 /* |
|
1621 * On some blade server designs, link establishment |
|
1622 * could take as long as 2-3 minutes |
|
1623 */ |
|
1624 do { |
|
1625 hw->mac.ops.check_for_link(hw); |
|
1626 if (hw->mac.serdes_has_link) |
|
1627 return *data; |
|
1628 msleep(20); |
|
1629 } while (i++ < 3750); |
|
1630 |
|
1631 *data = 1; |
|
1632 } else { |
|
1633 hw->mac.ops.check_for_link(hw); |
|
1634 if (hw->mac.autoneg) |
|
1635 /* |
|
1636 * On some Phy/switch combinations, link establishment |
|
1637 * can take a few seconds more than expected. |
|
1638 */ |
|
1639 msleep(5000); |
|
1640 |
|
1641 if (!(er32(STATUS) & E1000_STATUS_LU)) |
|
1642 *data = 1; |
|
1643 } |
|
1644 return *data; |
|
1645 } |
|
1646 |
|
1647 static int e1000e_get_sset_count(struct net_device *netdev, int sset) |
|
1648 { |
|
1649 switch (sset) { |
|
1650 case ETH_SS_TEST: |
|
1651 return E1000_TEST_LEN; |
|
1652 case ETH_SS_STATS: |
|
1653 return E1000_STATS_LEN; |
|
1654 default: |
|
1655 return -EOPNOTSUPP; |
|
1656 } |
|
1657 } |
|
1658 |
|
1659 static void e1000_diag_test(struct net_device *netdev, |
|
1660 struct ethtool_test *eth_test, u64 *data) |
|
1661 { |
|
1662 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1663 u16 autoneg_advertised; |
|
1664 u8 forced_speed_duplex; |
|
1665 u8 autoneg; |
|
1666 bool if_running = netif_running(netdev); |
|
1667 |
|
1668 set_bit(__E1000_TESTING, &adapter->state); |
|
1669 |
|
1670 if (!if_running) { |
|
1671 /* Get control of and reset hardware */ |
|
1672 if (adapter->flags & FLAG_HAS_AMT) |
|
1673 e1000e_get_hw_control(adapter); |
|
1674 |
|
1675 e1000e_power_up_phy(adapter); |
|
1676 |
|
1677 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1678 e1000e_reset(adapter); |
|
1679 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1680 } |
|
1681 |
|
1682 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1683 /* Offline tests */ |
|
1684 |
|
1685 /* save speed, duplex, autoneg settings */ |
|
1686 autoneg_advertised = adapter->hw.phy.autoneg_advertised; |
|
1687 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; |
|
1688 autoneg = adapter->hw.mac.autoneg; |
|
1689 |
|
1690 e_info("offline testing starting\n"); |
|
1691 |
|
1692 if (if_running) |
|
1693 /* indicate we're in test mode */ |
|
1694 dev_close(netdev); |
|
1695 |
|
1696 if (e1000_reg_test(adapter, &data[0])) |
|
1697 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1698 |
|
1699 e1000e_reset(adapter); |
|
1700 if (e1000_eeprom_test(adapter, &data[1])) |
|
1701 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1702 |
|
1703 e1000e_reset(adapter); |
|
1704 if (e1000_intr_test(adapter, &data[2])) |
|
1705 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1706 |
|
1707 e1000e_reset(adapter); |
|
1708 if (e1000_loopback_test(adapter, &data[3])) |
|
1709 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1710 |
|
1711 /* force this routine to wait until autoneg complete/timeout */ |
|
1712 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1713 e1000e_reset(adapter); |
|
1714 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1715 |
|
1716 if (e1000_link_test(adapter, &data[4])) |
|
1717 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1718 |
|
1719 /* restore speed, duplex, autoneg settings */ |
|
1720 adapter->hw.phy.autoneg_advertised = autoneg_advertised; |
|
1721 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; |
|
1722 adapter->hw.mac.autoneg = autoneg; |
|
1723 e1000e_reset(adapter); |
|
1724 |
|
1725 clear_bit(__E1000_TESTING, &adapter->state); |
|
1726 if (if_running) |
|
1727 dev_open(netdev); |
|
1728 } else { |
|
1729 /* Online tests */ |
|
1730 |
|
1731 e_info("online testing starting\n"); |
|
1732 |
|
1733 /* register, eeprom, intr and loopback tests not run online */ |
|
1734 data[0] = 0; |
|
1735 data[1] = 0; |
|
1736 data[2] = 0; |
|
1737 data[3] = 0; |
|
1738 |
|
1739 if (e1000_link_test(adapter, &data[4])) |
|
1740 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1741 |
|
1742 clear_bit(__E1000_TESTING, &adapter->state); |
|
1743 } |
|
1744 |
|
1745 if (!if_running) { |
|
1746 e1000e_reset(adapter); |
|
1747 |
|
1748 if (adapter->flags & FLAG_HAS_AMT) |
|
1749 e1000e_release_hw_control(adapter); |
|
1750 } |
|
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 | WAKE_PHY; |
|
1769 |
|
1770 /* apply any specific unsupported masks here */ |
|
1771 if (adapter->flags & FLAG_NO_WAKE_UCAST) { |
|
1772 wol->supported &= ~WAKE_UCAST; |
|
1773 |
|
1774 if (adapter->wol & E1000_WUFC_EX) |
|
1775 e_err("Interface does not support directed (unicast) " |
|
1776 "frame wake-up packets\n"); |
|
1777 } |
|
1778 |
|
1779 if (adapter->wol & E1000_WUFC_EX) |
|
1780 wol->wolopts |= WAKE_UCAST; |
|
1781 if (adapter->wol & E1000_WUFC_MC) |
|
1782 wol->wolopts |= WAKE_MCAST; |
|
1783 if (adapter->wol & E1000_WUFC_BC) |
|
1784 wol->wolopts |= WAKE_BCAST; |
|
1785 if (adapter->wol & E1000_WUFC_MAG) |
|
1786 wol->wolopts |= WAKE_MAGIC; |
|
1787 if (adapter->wol & E1000_WUFC_LNKC) |
|
1788 wol->wolopts |= WAKE_PHY; |
|
1789 } |
|
1790 |
|
1791 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1792 { |
|
1793 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1794 |
|
1795 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1796 !device_can_wakeup(&adapter->pdev->dev) || |
|
1797 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | |
|
1798 WAKE_MAGIC | WAKE_PHY))) |
|
1799 return -EOPNOTSUPP; |
|
1800 |
|
1801 /* these settings will always override what we currently have */ |
|
1802 adapter->wol = 0; |
|
1803 |
|
1804 if (wol->wolopts & WAKE_UCAST) |
|
1805 adapter->wol |= E1000_WUFC_EX; |
|
1806 if (wol->wolopts & WAKE_MCAST) |
|
1807 adapter->wol |= E1000_WUFC_MC; |
|
1808 if (wol->wolopts & WAKE_BCAST) |
|
1809 adapter->wol |= E1000_WUFC_BC; |
|
1810 if (wol->wolopts & WAKE_MAGIC) |
|
1811 adapter->wol |= E1000_WUFC_MAG; |
|
1812 if (wol->wolopts & WAKE_PHY) |
|
1813 adapter->wol |= E1000_WUFC_LNKC; |
|
1814 |
|
1815 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1816 |
|
1817 return 0; |
|
1818 } |
|
1819 |
|
1820 static int e1000_set_phys_id(struct net_device *netdev, |
|
1821 enum ethtool_phys_id_state state) |
|
1822 { |
|
1823 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1824 struct e1000_hw *hw = &adapter->hw; |
|
1825 |
|
1826 switch (state) { |
|
1827 case ETHTOOL_ID_ACTIVE: |
|
1828 if (!hw->mac.ops.blink_led) |
|
1829 return 2; /* cycle on/off twice per second */ |
|
1830 |
|
1831 hw->mac.ops.blink_led(hw); |
|
1832 break; |
|
1833 |
|
1834 case ETHTOOL_ID_INACTIVE: |
|
1835 if (hw->phy.type == e1000_phy_ife) |
|
1836 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); |
|
1837 hw->mac.ops.led_off(hw); |
|
1838 hw->mac.ops.cleanup_led(hw); |
|
1839 break; |
|
1840 |
|
1841 case ETHTOOL_ID_ON: |
|
1842 adapter->hw.mac.ops.led_on(&adapter->hw); |
|
1843 break; |
|
1844 |
|
1845 case ETHTOOL_ID_OFF: |
|
1846 adapter->hw.mac.ops.led_off(&adapter->hw); |
|
1847 break; |
|
1848 } |
|
1849 return 0; |
|
1850 } |
|
1851 |
|
1852 static int e1000_get_coalesce(struct net_device *netdev, |
|
1853 struct ethtool_coalesce *ec) |
|
1854 { |
|
1855 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1856 |
|
1857 if (adapter->itr_setting <= 4) |
|
1858 ec->rx_coalesce_usecs = adapter->itr_setting; |
|
1859 else |
|
1860 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1861 |
|
1862 return 0; |
|
1863 } |
|
1864 |
|
1865 static int e1000_set_coalesce(struct net_device *netdev, |
|
1866 struct ethtool_coalesce *ec) |
|
1867 { |
|
1868 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1869 struct e1000_hw *hw = &adapter->hw; |
|
1870 |
|
1871 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
|
1872 ((ec->rx_coalesce_usecs > 4) && |
|
1873 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
|
1874 (ec->rx_coalesce_usecs == 2)) |
|
1875 return -EINVAL; |
|
1876 |
|
1877 if (ec->rx_coalesce_usecs == 4) { |
|
1878 adapter->itr = adapter->itr_setting = 4; |
|
1879 } else if (ec->rx_coalesce_usecs <= 3) { |
|
1880 adapter->itr = 20000; |
|
1881 adapter->itr_setting = ec->rx_coalesce_usecs; |
|
1882 } else { |
|
1883 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1884 adapter->itr_setting = adapter->itr & ~3; |
|
1885 } |
|
1886 |
|
1887 if (adapter->itr_setting != 0) |
|
1888 ew32(ITR, 1000000000 / (adapter->itr * 256)); |
|
1889 else |
|
1890 ew32(ITR, 0); |
|
1891 |
|
1892 return 0; |
|
1893 } |
|
1894 |
|
1895 static int e1000_nway_reset(struct net_device *netdev) |
|
1896 { |
|
1897 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1898 |
|
1899 if (!netif_running(netdev)) |
|
1900 return -EAGAIN; |
|
1901 |
|
1902 if (!adapter->hw.mac.autoneg) |
|
1903 return -EINVAL; |
|
1904 |
|
1905 e1000e_reinit_locked(adapter); |
|
1906 |
|
1907 return 0; |
|
1908 } |
|
1909 |
|
1910 static void e1000_get_ethtool_stats(struct net_device *netdev, |
|
1911 struct ethtool_stats *stats, |
|
1912 u64 *data) |
|
1913 { |
|
1914 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1915 struct rtnl_link_stats64 net_stats; |
|
1916 int i; |
|
1917 char *p = NULL; |
|
1918 |
|
1919 e1000e_get_stats64(netdev, &net_stats); |
|
1920 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
1921 switch (e1000_gstrings_stats[i].type) { |
|
1922 case NETDEV_STATS: |
|
1923 p = (char *) &net_stats + |
|
1924 e1000_gstrings_stats[i].stat_offset; |
|
1925 break; |
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1926 case E1000_STATS: |
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1927 p = (char *) adapter + |
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1928 e1000_gstrings_stats[i].stat_offset; |
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1929 break; |
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1930 default: |
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1931 data[i] = 0; |
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1932 continue; |
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1933 } |
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1934 |
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1935 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
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1936 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
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1937 } |
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1938 } |
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1939 |
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1940 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
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1941 u8 *data) |
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1942 { |
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1943 u8 *p = data; |
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1944 int i; |
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1945 |
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1946 switch (stringset) { |
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1947 case ETH_SS_TEST: |
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1948 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test)); |
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1949 break; |
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1950 case ETH_SS_STATS: |
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1951 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
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1952 memcpy(p, e1000_gstrings_stats[i].stat_string, |
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1953 ETH_GSTRING_LEN); |
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1954 p += ETH_GSTRING_LEN; |
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1955 } |
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1956 break; |
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1957 } |
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1958 } |
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1959 |
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1960 static const struct ethtool_ops e1000_ethtool_ops = { |
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1961 .get_settings = e1000_get_settings, |
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1962 .set_settings = e1000_set_settings, |
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1963 .get_drvinfo = e1000_get_drvinfo, |
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1964 .get_regs_len = e1000_get_regs_len, |
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1965 .get_regs = e1000_get_regs, |
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1966 .get_wol = e1000_get_wol, |
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1967 .set_wol = e1000_set_wol, |
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1968 .get_msglevel = e1000_get_msglevel, |
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1969 .set_msglevel = e1000_set_msglevel, |
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1970 .nway_reset = e1000_nway_reset, |
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1971 .get_link = ethtool_op_get_link, |
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1972 .get_eeprom_len = e1000_get_eeprom_len, |
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1973 .get_eeprom = e1000_get_eeprom, |
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1974 .set_eeprom = e1000_set_eeprom, |
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1975 .get_ringparam = e1000_get_ringparam, |
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1976 .set_ringparam = e1000_set_ringparam, |
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1977 .get_pauseparam = e1000_get_pauseparam, |
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1978 .set_pauseparam = e1000_set_pauseparam, |
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1979 .self_test = e1000_diag_test, |
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1980 .get_strings = e1000_get_strings, |
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1981 .set_phys_id = e1000_set_phys_id, |
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1982 .get_ethtool_stats = e1000_get_ethtool_stats, |
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1983 .get_sset_count = e1000e_get_sset_count, |
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1984 .get_coalesce = e1000_get_coalesce, |
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1985 .set_coalesce = e1000_set_coalesce, |
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1986 }; |
|
1987 |
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1988 void e1000e_set_ethtool_ops(struct net_device *netdev) |
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1989 { |
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1990 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
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1991 } |