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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 - 2012 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 #include <linux/vmalloc.h> |
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38 |
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39 #include "e1000.h" |
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40 |
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41 enum {NETDEV_STATS, E1000_STATS}; |
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42 |
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43 struct e1000_stats { |
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44 char stat_string[ETH_GSTRING_LEN]; |
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45 int type; |
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46 int sizeof_stat; |
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47 int stat_offset; |
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48 }; |
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49 |
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50 #define E1000_STAT(str, m) { \ |
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51 .stat_string = str, \ |
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52 .type = E1000_STATS, \ |
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53 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \ |
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54 .stat_offset = offsetof(struct e1000_adapter, m) } |
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55 #define E1000_NETDEV_STAT(str, m) { \ |
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56 .stat_string = str, \ |
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57 .type = NETDEV_STATS, \ |
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58 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \ |
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59 .stat_offset = offsetof(struct rtnl_link_stats64, m) } |
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60 |
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61 static const struct e1000_stats e1000_gstrings_stats[] = { |
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62 E1000_STAT("rx_packets", stats.gprc), |
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63 E1000_STAT("tx_packets", stats.gptc), |
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64 E1000_STAT("rx_bytes", stats.gorc), |
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65 E1000_STAT("tx_bytes", stats.gotc), |
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66 E1000_STAT("rx_broadcast", stats.bprc), |
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67 E1000_STAT("tx_broadcast", stats.bptc), |
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68 E1000_STAT("rx_multicast", stats.mprc), |
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69 E1000_STAT("tx_multicast", stats.mptc), |
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70 E1000_NETDEV_STAT("rx_errors", rx_errors), |
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71 E1000_NETDEV_STAT("tx_errors", tx_errors), |
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72 E1000_NETDEV_STAT("tx_dropped", tx_dropped), |
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73 E1000_STAT("multicast", stats.mprc), |
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74 E1000_STAT("collisions", stats.colc), |
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75 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors), |
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76 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors), |
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77 E1000_STAT("rx_crc_errors", stats.crcerrs), |
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78 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors), |
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79 E1000_STAT("rx_no_buffer_count", stats.rnbc), |
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80 E1000_STAT("rx_missed_errors", stats.mpc), |
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81 E1000_STAT("tx_aborted_errors", stats.ecol), |
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82 E1000_STAT("tx_carrier_errors", stats.tncrs), |
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83 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors), |
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84 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors), |
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85 E1000_STAT("tx_window_errors", stats.latecol), |
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86 E1000_STAT("tx_abort_late_coll", stats.latecol), |
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87 E1000_STAT("tx_deferred_ok", stats.dc), |
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88 E1000_STAT("tx_single_coll_ok", stats.scc), |
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89 E1000_STAT("tx_multi_coll_ok", stats.mcc), |
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90 E1000_STAT("tx_timeout_count", tx_timeout_count), |
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91 E1000_STAT("tx_restart_queue", restart_queue), |
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92 E1000_STAT("rx_long_length_errors", stats.roc), |
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93 E1000_STAT("rx_short_length_errors", stats.ruc), |
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94 E1000_STAT("rx_align_errors", stats.algnerrc), |
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95 E1000_STAT("tx_tcp_seg_good", stats.tsctc), |
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96 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc), |
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97 E1000_STAT("rx_flow_control_xon", stats.xonrxc), |
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98 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc), |
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99 E1000_STAT("tx_flow_control_xon", stats.xontxc), |
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100 E1000_STAT("tx_flow_control_xoff", stats.xofftxc), |
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101 E1000_STAT("rx_long_byte_count", stats.gorc), |
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102 E1000_STAT("rx_csum_offload_good", hw_csum_good), |
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103 E1000_STAT("rx_csum_offload_errors", hw_csum_err), |
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104 E1000_STAT("rx_header_split", rx_hdr_split), |
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105 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed), |
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106 E1000_STAT("tx_smbus", stats.mgptc), |
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107 E1000_STAT("rx_smbus", stats.mgprc), |
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108 E1000_STAT("dropped_smbus", stats.mgpdc), |
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109 E1000_STAT("rx_dma_failed", rx_dma_failed), |
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110 E1000_STAT("tx_dma_failed", tx_dma_failed), |
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111 }; |
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112 |
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113 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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114 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) |
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115 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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116 "Register test (offline)", "Eeprom test (offline)", |
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117 "Interrupt test (offline)", "Loopback test (offline)", |
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118 "Link test (on/offline)" |
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119 }; |
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120 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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121 |
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122 static int e1000_get_settings(struct net_device *netdev, |
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123 struct ethtool_cmd *ecmd) |
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124 { |
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125 struct e1000_adapter *adapter = netdev_priv(netdev); |
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126 struct e1000_hw *hw = &adapter->hw; |
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127 u32 speed; |
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128 |
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129 if (hw->phy.media_type == e1000_media_type_copper) { |
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130 |
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131 ecmd->supported = (SUPPORTED_10baseT_Half | |
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132 SUPPORTED_10baseT_Full | |
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133 SUPPORTED_100baseT_Half | |
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134 SUPPORTED_100baseT_Full | |
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135 SUPPORTED_1000baseT_Full | |
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136 SUPPORTED_Autoneg | |
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137 SUPPORTED_TP); |
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138 if (hw->phy.type == e1000_phy_ife) |
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139 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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140 ecmd->advertising = ADVERTISED_TP; |
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141 |
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142 if (hw->mac.autoneg == 1) { |
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143 ecmd->advertising |= ADVERTISED_Autoneg; |
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144 /* the e1000 autoneg seems to match ethtool nicely */ |
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145 ecmd->advertising |= hw->phy.autoneg_advertised; |
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146 } |
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147 |
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148 ecmd->port = PORT_TP; |
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149 ecmd->phy_address = hw->phy.addr; |
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150 ecmd->transceiver = XCVR_INTERNAL; |
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151 |
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152 } else { |
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153 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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154 SUPPORTED_FIBRE | |
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155 SUPPORTED_Autoneg); |
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156 |
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157 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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158 ADVERTISED_FIBRE | |
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159 ADVERTISED_Autoneg); |
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160 |
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161 ecmd->port = PORT_FIBRE; |
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162 ecmd->transceiver = XCVR_EXTERNAL; |
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163 } |
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164 |
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165 speed = -1; |
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166 ecmd->duplex = -1; |
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167 |
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168 if (netif_running(netdev)) { |
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169 if (netif_carrier_ok(netdev)) { |
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170 speed = adapter->link_speed; |
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171 ecmd->duplex = adapter->link_duplex - 1; |
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172 } |
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173 } else { |
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174 u32 status = er32(STATUS); |
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175 if (status & E1000_STATUS_LU) { |
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176 if (status & E1000_STATUS_SPEED_1000) |
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177 speed = SPEED_1000; |
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178 else if (status & E1000_STATUS_SPEED_100) |
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179 speed = SPEED_100; |
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180 else |
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181 speed = SPEED_10; |
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182 |
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183 if (status & E1000_STATUS_FD) |
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184 ecmd->duplex = DUPLEX_FULL; |
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185 else |
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186 ecmd->duplex = DUPLEX_HALF; |
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187 } |
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188 } |
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189 |
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190 ethtool_cmd_speed_set(ecmd, speed); |
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191 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || |
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192 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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193 |
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194 /* MDI-X => 2; MDI =>1; Invalid =>0 */ |
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195 if ((hw->phy.media_type == e1000_media_type_copper) && |
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196 netif_carrier_ok(netdev)) |
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197 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : |
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198 ETH_TP_MDI; |
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199 else |
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200 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; |
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201 |
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202 return 0; |
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203 } |
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204 |
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205 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) |
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206 { |
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207 struct e1000_mac_info *mac = &adapter->hw.mac; |
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208 |
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209 mac->autoneg = 0; |
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210 |
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211 /* Make sure dplx is at most 1 bit and lsb of speed is not set |
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212 * for the switch() below to work */ |
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213 if ((spd & 1) || (dplx & ~1)) |
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214 goto err_inval; |
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215 |
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216 /* Fiber NICs only allow 1000 gbps Full duplex */ |
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217 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && |
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218 spd != SPEED_1000 && |
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219 dplx != DUPLEX_FULL) { |
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220 goto err_inval; |
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221 } |
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222 |
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223 switch (spd + dplx) { |
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224 case SPEED_10 + DUPLEX_HALF: |
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225 mac->forced_speed_duplex = ADVERTISE_10_HALF; |
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226 break; |
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227 case SPEED_10 + DUPLEX_FULL: |
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228 mac->forced_speed_duplex = ADVERTISE_10_FULL; |
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229 break; |
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230 case SPEED_100 + DUPLEX_HALF: |
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231 mac->forced_speed_duplex = ADVERTISE_100_HALF; |
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232 break; |
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233 case SPEED_100 + DUPLEX_FULL: |
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234 mac->forced_speed_duplex = ADVERTISE_100_FULL; |
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235 break; |
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236 case SPEED_1000 + DUPLEX_FULL: |
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237 mac->autoneg = 1; |
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238 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; |
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239 break; |
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240 case SPEED_1000 + DUPLEX_HALF: /* not supported */ |
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241 default: |
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242 goto err_inval; |
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243 } |
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244 return 0; |
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245 |
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246 err_inval: |
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247 e_err("Unsupported Speed/Duplex configuration\n"); |
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248 return -EINVAL; |
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249 } |
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250 |
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251 static int e1000_set_settings(struct net_device *netdev, |
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252 struct ethtool_cmd *ecmd) |
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253 { |
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254 struct e1000_adapter *adapter = netdev_priv(netdev); |
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255 struct e1000_hw *hw = &adapter->hw; |
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256 |
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257 /* |
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258 * When SoL/IDER sessions are active, autoneg/speed/duplex |
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259 * cannot be changed |
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260 */ |
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261 if (hw->phy.ops.check_reset_block && |
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262 hw->phy.ops.check_reset_block(hw)) { |
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263 e_err("Cannot change link characteristics when SoL/IDER is " |
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264 "active.\n"); |
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265 return -EINVAL; |
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266 } |
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267 |
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268 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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269 usleep_range(1000, 2000); |
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270 |
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271 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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272 hw->mac.autoneg = 1; |
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273 if (hw->phy.media_type == e1000_media_type_fiber) |
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274 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | |
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275 ADVERTISED_FIBRE | |
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276 ADVERTISED_Autoneg; |
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277 else |
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278 hw->phy.autoneg_advertised = ecmd->advertising | |
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279 ADVERTISED_TP | |
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280 ADVERTISED_Autoneg; |
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281 ecmd->advertising = hw->phy.autoneg_advertised; |
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282 if (adapter->fc_autoneg) |
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283 hw->fc.requested_mode = e1000_fc_default; |
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284 } else { |
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285 u32 speed = ethtool_cmd_speed(ecmd); |
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286 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { |
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287 clear_bit(__E1000_RESETTING, &adapter->state); |
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288 return -EINVAL; |
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289 } |
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290 } |
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291 |
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292 /* reset the link */ |
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293 |
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294 if (netif_running(adapter->netdev)) { |
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295 e1000e_down(adapter); |
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296 e1000e_up(adapter); |
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297 } else { |
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298 e1000e_reset(adapter); |
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299 } |
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300 |
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301 clear_bit(__E1000_RESETTING, &adapter->state); |
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302 return 0; |
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303 } |
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304 |
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305 static void e1000_get_pauseparam(struct net_device *netdev, |
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306 struct ethtool_pauseparam *pause) |
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307 { |
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308 struct e1000_adapter *adapter = netdev_priv(netdev); |
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309 struct e1000_hw *hw = &adapter->hw; |
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310 |
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311 pause->autoneg = |
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312 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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313 |
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314 if (hw->fc.current_mode == e1000_fc_rx_pause) { |
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315 pause->rx_pause = 1; |
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316 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { |
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317 pause->tx_pause = 1; |
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318 } else if (hw->fc.current_mode == e1000_fc_full) { |
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319 pause->rx_pause = 1; |
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320 pause->tx_pause = 1; |
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321 } |
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322 } |
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323 |
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324 static int e1000_set_pauseparam(struct net_device *netdev, |
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325 struct ethtool_pauseparam *pause) |
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326 { |
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327 struct e1000_adapter *adapter = netdev_priv(netdev); |
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328 struct e1000_hw *hw = &adapter->hw; |
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329 int retval = 0; |
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330 |
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331 adapter->fc_autoneg = pause->autoneg; |
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332 |
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333 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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334 usleep_range(1000, 2000); |
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335 |
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336 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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337 hw->fc.requested_mode = e1000_fc_default; |
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338 if (netif_running(adapter->netdev)) { |
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339 e1000e_down(adapter); |
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340 e1000e_up(adapter); |
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341 } else { |
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342 e1000e_reset(adapter); |
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343 } |
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344 } else { |
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345 if (pause->rx_pause && pause->tx_pause) |
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346 hw->fc.requested_mode = e1000_fc_full; |
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347 else if (pause->rx_pause && !pause->tx_pause) |
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348 hw->fc.requested_mode = e1000_fc_rx_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_tx_pause; |
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351 else if (!pause->rx_pause && !pause->tx_pause) |
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352 hw->fc.requested_mode = e1000_fc_none; |
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353 |
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354 hw->fc.current_mode = hw->fc.requested_mode; |
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355 |
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356 if (hw->phy.media_type == e1000_media_type_fiber) { |
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357 retval = hw->mac.ops.setup_link(hw); |
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358 /* implicit goto out */ |
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359 } else { |
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360 retval = e1000e_force_mac_fc(hw); |
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361 if (retval) |
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362 goto out; |
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363 e1000e_set_fc_watermarks(hw); |
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364 } |
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365 } |
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366 |
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367 out: |
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368 clear_bit(__E1000_RESETTING, &adapter->state); |
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369 return retval; |
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370 } |
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371 |
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372 static u32 e1000_get_msglevel(struct net_device *netdev) |
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373 { |
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374 struct e1000_adapter *adapter = netdev_priv(netdev); |
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375 return adapter->msg_enable; |
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376 } |
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377 |
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378 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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379 { |
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380 struct e1000_adapter *adapter = netdev_priv(netdev); |
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381 adapter->msg_enable = data; |
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382 } |
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383 |
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384 static int e1000_get_regs_len(struct net_device *netdev) |
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385 { |
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386 #define E1000_REGS_LEN 32 /* overestimate */ |
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387 return E1000_REGS_LEN * sizeof(u32); |
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388 } |
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389 |
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390 static void e1000_get_regs(struct net_device *netdev, |
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391 struct ethtool_regs *regs, void *p) |
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392 { |
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393 struct e1000_adapter *adapter = netdev_priv(netdev); |
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394 struct e1000_hw *hw = &adapter->hw; |
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395 u32 *regs_buff = p; |
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396 u16 phy_data; |
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397 |
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398 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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399 |
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400 regs->version = (1 << 24) | (adapter->pdev->revision << 16) | |
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401 adapter->pdev->device; |
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402 |
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403 regs_buff[0] = er32(CTRL); |
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404 regs_buff[1] = er32(STATUS); |
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405 |
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406 regs_buff[2] = er32(RCTL); |
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407 regs_buff[3] = er32(RDLEN); |
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408 regs_buff[4] = er32(RDH); |
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409 regs_buff[5] = er32(RDT); |
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410 regs_buff[6] = er32(RDTR); |
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411 |
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412 regs_buff[7] = er32(TCTL); |
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413 regs_buff[8] = er32(TDLEN); |
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414 regs_buff[9] = er32(TDH); |
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415 regs_buff[10] = er32(TDT); |
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416 regs_buff[11] = er32(TIDV); |
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417 |
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418 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ |
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419 |
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420 /* ethtool doesn't use anything past this point, so all this |
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421 * code is likely legacy junk for apps that may or may not |
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422 * exist */ |
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423 if (hw->phy.type == e1000_phy_m88) { |
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424 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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425 regs_buff[13] = (u32)phy_data; /* cable length */ |
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426 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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427 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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428 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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429 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
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430 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
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431 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
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432 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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433 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
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434 /* phy receive errors */ |
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435 regs_buff[22] = adapter->phy_stats.receive_errors; |
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436 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
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437 } |
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438 regs_buff[21] = 0; /* was idle_errors */ |
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439 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); |
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440 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
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441 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
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442 } |
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443 |
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444 static int e1000_get_eeprom_len(struct net_device *netdev) |
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445 { |
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446 struct e1000_adapter *adapter = netdev_priv(netdev); |
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447 return adapter->hw.nvm.word_size * 2; |
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448 } |
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449 |
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450 static int e1000_get_eeprom(struct net_device *netdev, |
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451 struct ethtool_eeprom *eeprom, u8 *bytes) |
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452 { |
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453 struct e1000_adapter *adapter = netdev_priv(netdev); |
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454 struct e1000_hw *hw = &adapter->hw; |
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455 u16 *eeprom_buff; |
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456 int first_word; |
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457 int last_word; |
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458 int ret_val = 0; |
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459 u16 i; |
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460 |
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461 if (eeprom->len == 0) |
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462 return -EINVAL; |
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463 |
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464 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); |
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465 |
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466 first_word = eeprom->offset >> 1; |
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467 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
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468 |
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469 eeprom_buff = kmalloc(sizeof(u16) * |
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470 (last_word - first_word + 1), GFP_KERNEL); |
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471 if (!eeprom_buff) |
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472 return -ENOMEM; |
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473 |
|
474 if (hw->nvm.type == e1000_nvm_eeprom_spi) { |
|
475 ret_val = e1000_read_nvm(hw, first_word, |
|
476 last_word - first_word + 1, |
|
477 eeprom_buff); |
|
478 } else { |
|
479 for (i = 0; i < last_word - first_word + 1; i++) { |
|
480 ret_val = e1000_read_nvm(hw, first_word + i, 1, |
|
481 &eeprom_buff[i]); |
|
482 if (ret_val) |
|
483 break; |
|
484 } |
|
485 } |
|
486 |
|
487 if (ret_val) { |
|
488 /* a read error occurred, throw away the result */ |
|
489 memset(eeprom_buff, 0xff, sizeof(u16) * |
|
490 (last_word - first_word + 1)); |
|
491 } else { |
|
492 /* Device's eeprom is always little-endian, word addressable */ |
|
493 for (i = 0; i < last_word - first_word + 1; i++) |
|
494 le16_to_cpus(&eeprom_buff[i]); |
|
495 } |
|
496 |
|
497 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
|
498 kfree(eeprom_buff); |
|
499 |
|
500 return ret_val; |
|
501 } |
|
502 |
|
503 static int e1000_set_eeprom(struct net_device *netdev, |
|
504 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
505 { |
|
506 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
507 struct e1000_hw *hw = &adapter->hw; |
|
508 u16 *eeprom_buff; |
|
509 void *ptr; |
|
510 int max_len; |
|
511 int first_word; |
|
512 int last_word; |
|
513 int ret_val = 0; |
|
514 u16 i; |
|
515 |
|
516 if (eeprom->len == 0) |
|
517 return -EOPNOTSUPP; |
|
518 |
|
519 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) |
|
520 return -EFAULT; |
|
521 |
|
522 if (adapter->flags & FLAG_READ_ONLY_NVM) |
|
523 return -EINVAL; |
|
524 |
|
525 max_len = hw->nvm.word_size * 2; |
|
526 |
|
527 first_word = eeprom->offset >> 1; |
|
528 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
529 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
530 if (!eeprom_buff) |
|
531 return -ENOMEM; |
|
532 |
|
533 ptr = (void *)eeprom_buff; |
|
534 |
|
535 if (eeprom->offset & 1) { |
|
536 /* need read/modify/write of first changed EEPROM word */ |
|
537 /* only the second byte of the word is being modified */ |
|
538 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); |
|
539 ptr++; |
|
540 } |
|
541 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val)) |
|
542 /* need read/modify/write of last changed EEPROM word */ |
|
543 /* only the first byte of the word is being modified */ |
|
544 ret_val = e1000_read_nvm(hw, last_word, 1, |
|
545 &eeprom_buff[last_word - first_word]); |
|
546 |
|
547 if (ret_val) |
|
548 goto out; |
|
549 |
|
550 /* Device's eeprom is always little-endian, word addressable */ |
|
551 for (i = 0; i < last_word - first_word + 1; i++) |
|
552 le16_to_cpus(&eeprom_buff[i]); |
|
553 |
|
554 memcpy(ptr, bytes, eeprom->len); |
|
555 |
|
556 for (i = 0; i < last_word - first_word + 1; i++) |
|
557 cpu_to_le16s(&eeprom_buff[i]); |
|
558 |
|
559 ret_val = e1000_write_nvm(hw, first_word, |
|
560 last_word - first_word + 1, eeprom_buff); |
|
561 |
|
562 if (ret_val) |
|
563 goto out; |
|
564 |
|
565 /* |
|
566 * Update the checksum over the first part of the EEPROM if needed |
|
567 * and flush shadow RAM for applicable controllers |
|
568 */ |
|
569 if ((first_word <= NVM_CHECKSUM_REG) || |
|
570 (hw->mac.type == e1000_82583) || |
|
571 (hw->mac.type == e1000_82574) || |
|
572 (hw->mac.type == e1000_82573)) |
|
573 ret_val = e1000e_update_nvm_checksum(hw); |
|
574 |
|
575 out: |
|
576 kfree(eeprom_buff); |
|
577 return ret_val; |
|
578 } |
|
579 |
|
580 static void e1000_get_drvinfo(struct net_device *netdev, |
|
581 struct ethtool_drvinfo *drvinfo) |
|
582 { |
|
583 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
584 |
|
585 strlcpy(drvinfo->driver, e1000e_driver_name, |
|
586 sizeof(drvinfo->driver)); |
|
587 strlcpy(drvinfo->version, e1000e_driver_version, |
|
588 sizeof(drvinfo->version)); |
|
589 |
|
590 /* |
|
591 * EEPROM image version # is reported as firmware version # for |
|
592 * PCI-E controllers |
|
593 */ |
|
594 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), |
|
595 "%d.%d-%d", |
|
596 (adapter->eeprom_vers & 0xF000) >> 12, |
|
597 (adapter->eeprom_vers & 0x0FF0) >> 4, |
|
598 (adapter->eeprom_vers & 0x000F)); |
|
599 |
|
600 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), |
|
601 sizeof(drvinfo->bus_info)); |
|
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 |
|
611 ring->rx_max_pending = E1000_MAX_RXD; |
|
612 ring->tx_max_pending = E1000_MAX_TXD; |
|
613 ring->rx_pending = adapter->rx_ring_count; |
|
614 ring->tx_pending = adapter->tx_ring_count; |
|
615 } |
|
616 |
|
617 static int e1000_set_ringparam(struct net_device *netdev, |
|
618 struct ethtool_ringparam *ring) |
|
619 { |
|
620 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
621 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL; |
|
622 int err = 0, size = sizeof(struct e1000_ring); |
|
623 bool set_tx = false, set_rx = false; |
|
624 u16 new_rx_count, new_tx_count; |
|
625 |
|
626 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
627 return -EINVAL; |
|
628 |
|
629 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD, |
|
630 E1000_MAX_RXD); |
|
631 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
632 |
|
633 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD, |
|
634 E1000_MAX_TXD); |
|
635 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
636 |
|
637 if ((new_tx_count == adapter->tx_ring_count) && |
|
638 (new_rx_count == adapter->rx_ring_count)) |
|
639 /* nothing to do */ |
|
640 return 0; |
|
641 |
|
642 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
|
643 usleep_range(1000, 2000); |
|
644 |
|
645 if (!netif_running(adapter->netdev)) { |
|
646 /* Set counts now and allocate resources during open() */ |
|
647 adapter->tx_ring->count = new_tx_count; |
|
648 adapter->rx_ring->count = new_rx_count; |
|
649 adapter->tx_ring_count = new_tx_count; |
|
650 adapter->rx_ring_count = new_rx_count; |
|
651 goto clear_reset; |
|
652 } |
|
653 |
|
654 set_tx = (new_tx_count != adapter->tx_ring_count); |
|
655 set_rx = (new_rx_count != adapter->rx_ring_count); |
|
656 |
|
657 /* Allocate temporary storage for ring updates */ |
|
658 if (set_tx) { |
|
659 temp_tx = vmalloc(size); |
|
660 if (!temp_tx) { |
|
661 err = -ENOMEM; |
|
662 goto free_temp; |
|
663 } |
|
664 } |
|
665 if (set_rx) { |
|
666 temp_rx = vmalloc(size); |
|
667 if (!temp_rx) { |
|
668 err = -ENOMEM; |
|
669 goto free_temp; |
|
670 } |
|
671 } |
|
672 |
|
673 e1000e_down(adapter); |
|
674 |
|
675 /* |
|
676 * We can't just free everything and then setup again, because the |
|
677 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring |
|
678 * structs. First, attempt to allocate new resources... |
|
679 */ |
|
680 if (set_tx) { |
|
681 memcpy(temp_tx, adapter->tx_ring, size); |
|
682 temp_tx->count = new_tx_count; |
|
683 err = e1000e_setup_tx_resources(temp_tx); |
|
684 if (err) |
|
685 goto err_setup; |
|
686 } |
|
687 if (set_rx) { |
|
688 memcpy(temp_rx, adapter->rx_ring, size); |
|
689 temp_rx->count = new_rx_count; |
|
690 err = e1000e_setup_rx_resources(temp_rx); |
|
691 if (err) |
|
692 goto err_setup_rx; |
|
693 } |
|
694 |
|
695 /* ...then free the old resources and copy back any new ring data */ |
|
696 if (set_tx) { |
|
697 e1000e_free_tx_resources(adapter->tx_ring); |
|
698 memcpy(adapter->tx_ring, temp_tx, size); |
|
699 adapter->tx_ring_count = new_tx_count; |
|
700 } |
|
701 if (set_rx) { |
|
702 e1000e_free_rx_resources(adapter->rx_ring); |
|
703 memcpy(adapter->rx_ring, temp_rx, size); |
|
704 adapter->rx_ring_count = new_rx_count; |
|
705 } |
|
706 |
|
707 err_setup_rx: |
|
708 if (err && set_tx) |
|
709 e1000e_free_tx_resources(temp_tx); |
|
710 err_setup: |
|
711 e1000e_up(adapter); |
|
712 free_temp: |
|
713 vfree(temp_tx); |
|
714 vfree(temp_rx); |
|
715 clear_reset: |
|
716 clear_bit(__E1000_RESETTING, &adapter->state); |
|
717 return err; |
|
718 } |
|
719 |
|
720 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, |
|
721 int reg, int offset, u32 mask, u32 write) |
|
722 { |
|
723 u32 pat, val; |
|
724 static const u32 test[] = { |
|
725 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; |
|
726 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { |
|
727 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, |
|
728 (test[pat] & write)); |
|
729 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); |
|
730 if (val != (test[pat] & write & mask)) { |
|
731 e_err("pattern test reg %04X failed: got 0x%08X " |
|
732 "expected 0x%08X\n", reg + offset, val, |
|
733 (test[pat] & write & mask)); |
|
734 *data = reg; |
|
735 return 1; |
|
736 } |
|
737 } |
|
738 return 0; |
|
739 } |
|
740 |
|
741 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, |
|
742 int reg, u32 mask, u32 write) |
|
743 { |
|
744 u32 val; |
|
745 __ew32(&adapter->hw, reg, write & mask); |
|
746 val = __er32(&adapter->hw, reg); |
|
747 if ((write & mask) != (val & mask)) { |
|
748 e_err("set/check reg %04X test failed: got 0x%08X " |
|
749 "expected 0x%08X\n", reg, (val & mask), (write & mask)); |
|
750 *data = reg; |
|
751 return 1; |
|
752 } |
|
753 return 0; |
|
754 } |
|
755 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ |
|
756 do { \ |
|
757 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ |
|
758 return 1; \ |
|
759 } while (0) |
|
760 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
761 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) |
|
762 |
|
763 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
764 do { \ |
|
765 if (reg_set_and_check(adapter, data, reg, mask, write)) \ |
|
766 return 1; \ |
|
767 } while (0) |
|
768 |
|
769 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
770 { |
|
771 struct e1000_hw *hw = &adapter->hw; |
|
772 struct e1000_mac_info *mac = &adapter->hw.mac; |
|
773 u32 value; |
|
774 u32 before; |
|
775 u32 after; |
|
776 u32 i; |
|
777 u32 toggle; |
|
778 u32 mask; |
|
779 |
|
780 /* |
|
781 * The status register is Read Only, so a write should fail. |
|
782 * Some bits that get toggled are ignored. |
|
783 */ |
|
784 switch (mac->type) { |
|
785 /* there are several bits on newer hardware that are r/w */ |
|
786 case e1000_82571: |
|
787 case e1000_82572: |
|
788 case e1000_80003es2lan: |
|
789 toggle = 0x7FFFF3FF; |
|
790 break; |
|
791 default: |
|
792 toggle = 0x7FFFF033; |
|
793 break; |
|
794 } |
|
795 |
|
796 before = er32(STATUS); |
|
797 value = (er32(STATUS) & toggle); |
|
798 ew32(STATUS, toggle); |
|
799 after = er32(STATUS) & toggle; |
|
800 if (value != after) { |
|
801 e_err("failed STATUS register test got: 0x%08X expected: " |
|
802 "0x%08X\n", after, value); |
|
803 *data = 1; |
|
804 return 1; |
|
805 } |
|
806 /* restore previous status */ |
|
807 ew32(STATUS, before); |
|
808 |
|
809 if (!(adapter->flags & FLAG_IS_ICH)) { |
|
810 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
811 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
812 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
813 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); |
|
814 } |
|
815 |
|
816 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
817 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
818 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); |
|
819 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); |
|
820 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); |
|
821 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
822 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
823 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
824 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); |
|
825 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); |
|
826 |
|
827 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); |
|
828 |
|
829 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); |
|
830 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); |
|
831 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); |
|
832 |
|
833 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); |
|
834 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
835 if (!(adapter->flags & FLAG_IS_ICH)) |
|
836 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); |
|
837 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); |
|
838 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); |
|
839 mask = 0x8003FFFF; |
|
840 switch (mac->type) { |
|
841 case e1000_ich10lan: |
|
842 case e1000_pchlan: |
|
843 case e1000_pch2lan: |
|
844 mask |= (1 << 18); |
|
845 break; |
|
846 default: |
|
847 break; |
|
848 } |
|
849 for (i = 0; i < mac->rar_entry_count; i++) |
|
850 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), |
|
851 mask, 0xFFFFFFFF); |
|
852 |
|
853 for (i = 0; i < mac->mta_reg_count; i++) |
|
854 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); |
|
855 |
|
856 *data = 0; |
|
857 return 0; |
|
858 } |
|
859 |
|
860 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
861 { |
|
862 u16 temp; |
|
863 u16 checksum = 0; |
|
864 u16 i; |
|
865 |
|
866 *data = 0; |
|
867 /* Read and add up the contents of the EEPROM */ |
|
868 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { |
|
869 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { |
|
870 *data = 1; |
|
871 return *data; |
|
872 } |
|
873 checksum += temp; |
|
874 } |
|
875 |
|
876 /* If Checksum is not Correct return error else test passed */ |
|
877 if ((checksum != (u16) NVM_SUM) && !(*data)) |
|
878 *data = 2; |
|
879 |
|
880 return *data; |
|
881 } |
|
882 |
|
883 static irqreturn_t e1000_test_intr(int irq, void *data) |
|
884 { |
|
885 struct net_device *netdev = (struct net_device *) data; |
|
886 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
887 struct e1000_hw *hw = &adapter->hw; |
|
888 |
|
889 adapter->test_icr |= er32(ICR); |
|
890 |
|
891 return IRQ_HANDLED; |
|
892 } |
|
893 |
|
894 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
895 { |
|
896 struct net_device *netdev = adapter->netdev; |
|
897 struct e1000_hw *hw = &adapter->hw; |
|
898 u32 mask; |
|
899 u32 shared_int = 1; |
|
900 u32 irq = adapter->pdev->irq; |
|
901 int i; |
|
902 int ret_val = 0; |
|
903 int int_mode = E1000E_INT_MODE_LEGACY; |
|
904 |
|
905 *data = 0; |
|
906 |
|
907 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ |
|
908 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { |
|
909 int_mode = adapter->int_mode; |
|
910 e1000e_reset_interrupt_capability(adapter); |
|
911 adapter->int_mode = E1000E_INT_MODE_LEGACY; |
|
912 e1000e_set_interrupt_capability(adapter); |
|
913 } |
|
914 /* Hook up test interrupt handler just for this test */ |
|
915 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
916 netdev)) { |
|
917 shared_int = 0; |
|
918 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, |
|
919 netdev->name, netdev)) { |
|
920 *data = 1; |
|
921 ret_val = -1; |
|
922 goto out; |
|
923 } |
|
924 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); |
|
925 |
|
926 /* Disable all the interrupts */ |
|
927 ew32(IMC, 0xFFFFFFFF); |
|
928 e1e_flush(); |
|
929 usleep_range(10000, 20000); |
|
930 |
|
931 /* Test each interrupt */ |
|
932 for (i = 0; i < 10; i++) { |
|
933 /* Interrupt to test */ |
|
934 mask = 1 << i; |
|
935 |
|
936 if (adapter->flags & FLAG_IS_ICH) { |
|
937 switch (mask) { |
|
938 case E1000_ICR_RXSEQ: |
|
939 continue; |
|
940 case 0x00000100: |
|
941 if (adapter->hw.mac.type == e1000_ich8lan || |
|
942 adapter->hw.mac.type == e1000_ich9lan) |
|
943 continue; |
|
944 break; |
|
945 default: |
|
946 break; |
|
947 } |
|
948 } |
|
949 |
|
950 if (!shared_int) { |
|
951 /* |
|
952 * Disable the interrupt to be reported in |
|
953 * the cause register and then force the same |
|
954 * interrupt and see if one gets posted. If |
|
955 * an interrupt was posted to the bus, the |
|
956 * test failed. |
|
957 */ |
|
958 adapter->test_icr = 0; |
|
959 ew32(IMC, mask); |
|
960 ew32(ICS, mask); |
|
961 e1e_flush(); |
|
962 usleep_range(10000, 20000); |
|
963 |
|
964 if (adapter->test_icr & mask) { |
|
965 *data = 3; |
|
966 break; |
|
967 } |
|
968 } |
|
969 |
|
970 /* |
|
971 * Enable the interrupt to be reported in |
|
972 * the cause register and then force the same |
|
973 * interrupt and see if one gets posted. If |
|
974 * an interrupt was not posted to the bus, the |
|
975 * test failed. |
|
976 */ |
|
977 adapter->test_icr = 0; |
|
978 ew32(IMS, mask); |
|
979 ew32(ICS, mask); |
|
980 e1e_flush(); |
|
981 usleep_range(10000, 20000); |
|
982 |
|
983 if (!(adapter->test_icr & mask)) { |
|
984 *data = 4; |
|
985 break; |
|
986 } |
|
987 |
|
988 if (!shared_int) { |
|
989 /* |
|
990 * Disable the other interrupts to be reported in |
|
991 * the cause register and then force the other |
|
992 * interrupts and see if any get posted. If |
|
993 * an interrupt was posted to the bus, the |
|
994 * test failed. |
|
995 */ |
|
996 adapter->test_icr = 0; |
|
997 ew32(IMC, ~mask & 0x00007FFF); |
|
998 ew32(ICS, ~mask & 0x00007FFF); |
|
999 e1e_flush(); |
|
1000 usleep_range(10000, 20000); |
|
1001 |
|
1002 if (adapter->test_icr) { |
|
1003 *data = 5; |
|
1004 break; |
|
1005 } |
|
1006 } |
|
1007 } |
|
1008 |
|
1009 /* Disable all the interrupts */ |
|
1010 ew32(IMC, 0xFFFFFFFF); |
|
1011 e1e_flush(); |
|
1012 usleep_range(10000, 20000); |
|
1013 |
|
1014 /* Unhook test interrupt handler */ |
|
1015 free_irq(irq, netdev); |
|
1016 |
|
1017 out: |
|
1018 if (int_mode == E1000E_INT_MODE_MSIX) { |
|
1019 e1000e_reset_interrupt_capability(adapter); |
|
1020 adapter->int_mode = int_mode; |
|
1021 e1000e_set_interrupt_capability(adapter); |
|
1022 } |
|
1023 |
|
1024 return ret_val; |
|
1025 } |
|
1026 |
|
1027 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
1028 { |
|
1029 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1030 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1031 struct pci_dev *pdev = adapter->pdev; |
|
1032 int i; |
|
1033 |
|
1034 if (tx_ring->desc && tx_ring->buffer_info) { |
|
1035 for (i = 0; i < tx_ring->count; i++) { |
|
1036 if (tx_ring->buffer_info[i].dma) |
|
1037 dma_unmap_single(&pdev->dev, |
|
1038 tx_ring->buffer_info[i].dma, |
|
1039 tx_ring->buffer_info[i].length, |
|
1040 DMA_TO_DEVICE); |
|
1041 if (tx_ring->buffer_info[i].skb) |
|
1042 dev_kfree_skb(tx_ring->buffer_info[i].skb); |
|
1043 } |
|
1044 } |
|
1045 |
|
1046 if (rx_ring->desc && rx_ring->buffer_info) { |
|
1047 for (i = 0; i < rx_ring->count; i++) { |
|
1048 if (rx_ring->buffer_info[i].dma) |
|
1049 dma_unmap_single(&pdev->dev, |
|
1050 rx_ring->buffer_info[i].dma, |
|
1051 2048, DMA_FROM_DEVICE); |
|
1052 if (rx_ring->buffer_info[i].skb) |
|
1053 dev_kfree_skb(rx_ring->buffer_info[i].skb); |
|
1054 } |
|
1055 } |
|
1056 |
|
1057 if (tx_ring->desc) { |
|
1058 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, |
|
1059 tx_ring->dma); |
|
1060 tx_ring->desc = NULL; |
|
1061 } |
|
1062 if (rx_ring->desc) { |
|
1063 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, |
|
1064 rx_ring->dma); |
|
1065 rx_ring->desc = NULL; |
|
1066 } |
|
1067 |
|
1068 kfree(tx_ring->buffer_info); |
|
1069 tx_ring->buffer_info = NULL; |
|
1070 kfree(rx_ring->buffer_info); |
|
1071 rx_ring->buffer_info = NULL; |
|
1072 } |
|
1073 |
|
1074 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1075 { |
|
1076 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1077 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1078 struct pci_dev *pdev = adapter->pdev; |
|
1079 struct e1000_hw *hw = &adapter->hw; |
|
1080 u32 rctl; |
|
1081 int i; |
|
1082 int ret_val; |
|
1083 |
|
1084 /* Setup Tx descriptor ring and Tx buffers */ |
|
1085 |
|
1086 if (!tx_ring->count) |
|
1087 tx_ring->count = E1000_DEFAULT_TXD; |
|
1088 |
|
1089 tx_ring->buffer_info = kcalloc(tx_ring->count, |
|
1090 sizeof(struct e1000_buffer), |
|
1091 GFP_KERNEL); |
|
1092 if (!tx_ring->buffer_info) { |
|
1093 ret_val = 1; |
|
1094 goto err_nomem; |
|
1095 } |
|
1096 |
|
1097 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); |
|
1098 tx_ring->size = ALIGN(tx_ring->size, 4096); |
|
1099 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, |
|
1100 &tx_ring->dma, GFP_KERNEL); |
|
1101 if (!tx_ring->desc) { |
|
1102 ret_val = 2; |
|
1103 goto err_nomem; |
|
1104 } |
|
1105 tx_ring->next_to_use = 0; |
|
1106 tx_ring->next_to_clean = 0; |
|
1107 |
|
1108 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); |
|
1109 ew32(TDBAH, ((u64) tx_ring->dma >> 32)); |
|
1110 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc)); |
|
1111 ew32(TDH, 0); |
|
1112 ew32(TDT, 0); |
|
1113 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | |
|
1114 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1115 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1116 |
|
1117 for (i = 0; i < tx_ring->count; i++) { |
|
1118 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); |
|
1119 struct sk_buff *skb; |
|
1120 unsigned int skb_size = 1024; |
|
1121 |
|
1122 skb = alloc_skb(skb_size, GFP_KERNEL); |
|
1123 if (!skb) { |
|
1124 ret_val = 3; |
|
1125 goto err_nomem; |
|
1126 } |
|
1127 skb_put(skb, skb_size); |
|
1128 tx_ring->buffer_info[i].skb = skb; |
|
1129 tx_ring->buffer_info[i].length = skb->len; |
|
1130 tx_ring->buffer_info[i].dma = |
|
1131 dma_map_single(&pdev->dev, skb->data, skb->len, |
|
1132 DMA_TO_DEVICE); |
|
1133 if (dma_mapping_error(&pdev->dev, |
|
1134 tx_ring->buffer_info[i].dma)) { |
|
1135 ret_val = 4; |
|
1136 goto err_nomem; |
|
1137 } |
|
1138 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); |
|
1139 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1140 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1141 E1000_TXD_CMD_IFCS | |
|
1142 E1000_TXD_CMD_RS); |
|
1143 tx_desc->upper.data = 0; |
|
1144 } |
|
1145 |
|
1146 /* Setup Rx descriptor ring and Rx buffers */ |
|
1147 |
|
1148 if (!rx_ring->count) |
|
1149 rx_ring->count = E1000_DEFAULT_RXD; |
|
1150 |
|
1151 rx_ring->buffer_info = kcalloc(rx_ring->count, |
|
1152 sizeof(struct e1000_buffer), |
|
1153 GFP_KERNEL); |
|
1154 if (!rx_ring->buffer_info) { |
|
1155 ret_val = 5; |
|
1156 goto err_nomem; |
|
1157 } |
|
1158 |
|
1159 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended); |
|
1160 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, |
|
1161 &rx_ring->dma, GFP_KERNEL); |
|
1162 if (!rx_ring->desc) { |
|
1163 ret_val = 6; |
|
1164 goto err_nomem; |
|
1165 } |
|
1166 rx_ring->next_to_use = 0; |
|
1167 rx_ring->next_to_clean = 0; |
|
1168 |
|
1169 rctl = er32(RCTL); |
|
1170 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX)) |
|
1171 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1172 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); |
|
1173 ew32(RDBAH, ((u64) rx_ring->dma >> 32)); |
|
1174 ew32(RDLEN, rx_ring->size); |
|
1175 ew32(RDH, 0); |
|
1176 ew32(RDT, 0); |
|
1177 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1178 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | |
|
1179 E1000_RCTL_SBP | E1000_RCTL_SECRC | |
|
1180 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1181 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1182 ew32(RCTL, rctl); |
|
1183 |
|
1184 for (i = 0; i < rx_ring->count; i++) { |
|
1185 union e1000_rx_desc_extended *rx_desc; |
|
1186 struct sk_buff *skb; |
|
1187 |
|
1188 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1189 if (!skb) { |
|
1190 ret_val = 7; |
|
1191 goto err_nomem; |
|
1192 } |
|
1193 skb_reserve(skb, NET_IP_ALIGN); |
|
1194 rx_ring->buffer_info[i].skb = skb; |
|
1195 rx_ring->buffer_info[i].dma = |
|
1196 dma_map_single(&pdev->dev, skb->data, 2048, |
|
1197 DMA_FROM_DEVICE); |
|
1198 if (dma_mapping_error(&pdev->dev, |
|
1199 rx_ring->buffer_info[i].dma)) { |
|
1200 ret_val = 8; |
|
1201 goto err_nomem; |
|
1202 } |
|
1203 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i); |
|
1204 rx_desc->read.buffer_addr = |
|
1205 cpu_to_le64(rx_ring->buffer_info[i].dma); |
|
1206 memset(skb->data, 0x00, skb->len); |
|
1207 } |
|
1208 |
|
1209 return 0; |
|
1210 |
|
1211 err_nomem: |
|
1212 e1000_free_desc_rings(adapter); |
|
1213 return ret_val; |
|
1214 } |
|
1215 |
|
1216 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1217 { |
|
1218 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1219 e1e_wphy(&adapter->hw, 29, 0x001F); |
|
1220 e1e_wphy(&adapter->hw, 30, 0x8FFC); |
|
1221 e1e_wphy(&adapter->hw, 29, 0x001A); |
|
1222 e1e_wphy(&adapter->hw, 30, 0x8FF0); |
|
1223 } |
|
1224 |
|
1225 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1226 { |
|
1227 struct e1000_hw *hw = &adapter->hw; |
|
1228 u32 ctrl_reg = 0; |
|
1229 u16 phy_reg = 0; |
|
1230 s32 ret_val = 0; |
|
1231 |
|
1232 hw->mac.autoneg = 0; |
|
1233 |
|
1234 if (hw->phy.type == e1000_phy_ife) { |
|
1235 /* force 100, set loopback */ |
|
1236 e1e_wphy(hw, PHY_CONTROL, 0x6100); |
|
1237 |
|
1238 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1239 ctrl_reg = er32(CTRL); |
|
1240 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1241 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1242 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1243 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1244 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1245 |
|
1246 ew32(CTRL, ctrl_reg); |
|
1247 e1e_flush(); |
|
1248 udelay(500); |
|
1249 |
|
1250 return 0; |
|
1251 } |
|
1252 |
|
1253 /* Specific PHY configuration for loopback */ |
|
1254 switch (hw->phy.type) { |
|
1255 case e1000_phy_m88: |
|
1256 /* Auto-MDI/MDIX Off */ |
|
1257 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1258 /* reset to update Auto-MDI/MDIX */ |
|
1259 e1e_wphy(hw, PHY_CONTROL, 0x9140); |
|
1260 /* autoneg off */ |
|
1261 e1e_wphy(hw, PHY_CONTROL, 0x8140); |
|
1262 break; |
|
1263 case e1000_phy_gg82563: |
|
1264 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); |
|
1265 break; |
|
1266 case e1000_phy_bm: |
|
1267 /* Set Default MAC Interface speed to 1GB */ |
|
1268 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); |
|
1269 phy_reg &= ~0x0007; |
|
1270 phy_reg |= 0x006; |
|
1271 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); |
|
1272 /* Assert SW reset for above settings to take effect */ |
|
1273 e1000e_commit_phy(hw); |
|
1274 mdelay(1); |
|
1275 /* Force Full Duplex */ |
|
1276 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1277 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); |
|
1278 /* Set Link Up (in force link) */ |
|
1279 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); |
|
1280 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); |
|
1281 /* Force Link */ |
|
1282 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1283 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); |
|
1284 /* Set Early Link Enable */ |
|
1285 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); |
|
1286 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); |
|
1287 break; |
|
1288 case e1000_phy_82577: |
|
1289 case e1000_phy_82578: |
|
1290 /* Workaround: K1 must be disabled for stable 1Gbps operation */ |
|
1291 ret_val = hw->phy.ops.acquire(hw); |
|
1292 if (ret_val) { |
|
1293 e_err("Cannot setup 1Gbps loopback.\n"); |
|
1294 return ret_val; |
|
1295 } |
|
1296 e1000_configure_k1_ich8lan(hw, false); |
|
1297 hw->phy.ops.release(hw); |
|
1298 break; |
|
1299 case e1000_phy_82579: |
|
1300 /* Disable PHY energy detect power down */ |
|
1301 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); |
|
1302 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); |
|
1303 /* Disable full chip energy detect */ |
|
1304 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); |
|
1305 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); |
|
1306 /* Enable loopback on the PHY */ |
|
1307 #define I82577_PHY_LBK_CTRL 19 |
|
1308 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); |
|
1309 break; |
|
1310 default: |
|
1311 break; |
|
1312 } |
|
1313 |
|
1314 /* force 1000, set loopback */ |
|
1315 e1e_wphy(hw, PHY_CONTROL, 0x4140); |
|
1316 mdelay(250); |
|
1317 |
|
1318 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1319 ctrl_reg = er32(CTRL); |
|
1320 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1321 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1322 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1323 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1324 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1325 |
|
1326 if (adapter->flags & FLAG_IS_ICH) |
|
1327 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ |
|
1328 |
|
1329 if (hw->phy.media_type == e1000_media_type_copper && |
|
1330 hw->phy.type == e1000_phy_m88) { |
|
1331 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1332 } else { |
|
1333 /* |
|
1334 * Set the ILOS bit on the fiber Nic if half duplex link is |
|
1335 * detected. |
|
1336 */ |
|
1337 if ((er32(STATUS) & E1000_STATUS_FD) == 0) |
|
1338 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1339 } |
|
1340 |
|
1341 ew32(CTRL, ctrl_reg); |
|
1342 |
|
1343 /* |
|
1344 * Disable the receiver on the PHY so when a cable is plugged in, the |
|
1345 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1346 */ |
|
1347 if (hw->phy.type == e1000_phy_m88) |
|
1348 e1000_phy_disable_receiver(adapter); |
|
1349 |
|
1350 udelay(500); |
|
1351 |
|
1352 return 0; |
|
1353 } |
|
1354 |
|
1355 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) |
|
1356 { |
|
1357 struct e1000_hw *hw = &adapter->hw; |
|
1358 u32 ctrl = er32(CTRL); |
|
1359 int link = 0; |
|
1360 |
|
1361 /* special requirements for 82571/82572 fiber adapters */ |
|
1362 |
|
1363 /* |
|
1364 * jump through hoops to make sure link is up because serdes |
|
1365 * link is hardwired up |
|
1366 */ |
|
1367 ctrl |= E1000_CTRL_SLU; |
|
1368 ew32(CTRL, ctrl); |
|
1369 |
|
1370 /* disable autoneg */ |
|
1371 ctrl = er32(TXCW); |
|
1372 ctrl &= ~(1 << 31); |
|
1373 ew32(TXCW, ctrl); |
|
1374 |
|
1375 link = (er32(STATUS) & E1000_STATUS_LU); |
|
1376 |
|
1377 if (!link) { |
|
1378 /* set invert loss of signal */ |
|
1379 ctrl = er32(CTRL); |
|
1380 ctrl |= E1000_CTRL_ILOS; |
|
1381 ew32(CTRL, ctrl); |
|
1382 } |
|
1383 |
|
1384 /* |
|
1385 * special write to serdes control register to enable SerDes analog |
|
1386 * loopback |
|
1387 */ |
|
1388 #define E1000_SERDES_LB_ON 0x410 |
|
1389 ew32(SCTL, E1000_SERDES_LB_ON); |
|
1390 e1e_flush(); |
|
1391 usleep_range(10000, 20000); |
|
1392 |
|
1393 return 0; |
|
1394 } |
|
1395 |
|
1396 /* only call this for fiber/serdes connections to es2lan */ |
|
1397 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) |
|
1398 { |
|
1399 struct e1000_hw *hw = &adapter->hw; |
|
1400 u32 ctrlext = er32(CTRL_EXT); |
|
1401 u32 ctrl = er32(CTRL); |
|
1402 |
|
1403 /* |
|
1404 * save CTRL_EXT to restore later, reuse an empty variable (unused |
|
1405 * on mac_type 80003es2lan) |
|
1406 */ |
|
1407 adapter->tx_fifo_head = ctrlext; |
|
1408 |
|
1409 /* clear the serdes mode bits, putting the device into mac loopback */ |
|
1410 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; |
|
1411 ew32(CTRL_EXT, ctrlext); |
|
1412 |
|
1413 /* force speed to 1000/FD, link up */ |
|
1414 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); |
|
1415 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | |
|
1416 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); |
|
1417 ew32(CTRL, ctrl); |
|
1418 |
|
1419 /* set mac loopback */ |
|
1420 ctrl = er32(RCTL); |
|
1421 ctrl |= E1000_RCTL_LBM_MAC; |
|
1422 ew32(RCTL, ctrl); |
|
1423 |
|
1424 /* set testing mode parameters (no need to reset later) */ |
|
1425 #define KMRNCTRLSTA_OPMODE (0x1F << 16) |
|
1426 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 |
|
1427 ew32(KMRNCTRLSTA, |
|
1428 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); |
|
1429 |
|
1430 return 0; |
|
1431 } |
|
1432 |
|
1433 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1434 { |
|
1435 struct e1000_hw *hw = &adapter->hw; |
|
1436 u32 rctl; |
|
1437 |
|
1438 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1439 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1440 switch (hw->mac.type) { |
|
1441 case e1000_80003es2lan: |
|
1442 return e1000_set_es2lan_mac_loopback(adapter); |
|
1443 break; |
|
1444 case e1000_82571: |
|
1445 case e1000_82572: |
|
1446 return e1000_set_82571_fiber_loopback(adapter); |
|
1447 break; |
|
1448 default: |
|
1449 rctl = er32(RCTL); |
|
1450 rctl |= E1000_RCTL_LBM_TCVR; |
|
1451 ew32(RCTL, rctl); |
|
1452 return 0; |
|
1453 } |
|
1454 } else if (hw->phy.media_type == e1000_media_type_copper) { |
|
1455 return e1000_integrated_phy_loopback(adapter); |
|
1456 } |
|
1457 |
|
1458 return 7; |
|
1459 } |
|
1460 |
|
1461 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1462 { |
|
1463 struct e1000_hw *hw = &adapter->hw; |
|
1464 u32 rctl; |
|
1465 u16 phy_reg; |
|
1466 |
|
1467 rctl = er32(RCTL); |
|
1468 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1469 ew32(RCTL, rctl); |
|
1470 |
|
1471 switch (hw->mac.type) { |
|
1472 case e1000_80003es2lan: |
|
1473 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1474 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1475 /* restore CTRL_EXT, stealing space from tx_fifo_head */ |
|
1476 ew32(CTRL_EXT, adapter->tx_fifo_head); |
|
1477 adapter->tx_fifo_head = 0; |
|
1478 } |
|
1479 /* fall through */ |
|
1480 case e1000_82571: |
|
1481 case e1000_82572: |
|
1482 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1483 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1484 #define E1000_SERDES_LB_OFF 0x400 |
|
1485 ew32(SCTL, E1000_SERDES_LB_OFF); |
|
1486 e1e_flush(); |
|
1487 usleep_range(10000, 20000); |
|
1488 break; |
|
1489 } |
|
1490 /* Fall Through */ |
|
1491 default: |
|
1492 hw->mac.autoneg = 1; |
|
1493 if (hw->phy.type == e1000_phy_gg82563) |
|
1494 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); |
|
1495 e1e_rphy(hw, PHY_CONTROL, &phy_reg); |
|
1496 if (phy_reg & MII_CR_LOOPBACK) { |
|
1497 phy_reg &= ~MII_CR_LOOPBACK; |
|
1498 e1e_wphy(hw, PHY_CONTROL, phy_reg); |
|
1499 e1000e_commit_phy(hw); |
|
1500 } |
|
1501 break; |
|
1502 } |
|
1503 } |
|
1504 |
|
1505 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1506 unsigned int frame_size) |
|
1507 { |
|
1508 memset(skb->data, 0xFF, frame_size); |
|
1509 frame_size &= ~1; |
|
1510 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1511 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1512 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1513 } |
|
1514 |
|
1515 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1516 unsigned int frame_size) |
|
1517 { |
|
1518 frame_size &= ~1; |
|
1519 if (*(skb->data + 3) == 0xFF) |
|
1520 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1521 (*(skb->data + frame_size / 2 + 12) == 0xAF)) |
|
1522 return 0; |
|
1523 return 13; |
|
1524 } |
|
1525 |
|
1526 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1527 { |
|
1528 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1529 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1530 struct pci_dev *pdev = adapter->pdev; |
|
1531 struct e1000_hw *hw = &adapter->hw; |
|
1532 int i, j, k, l; |
|
1533 int lc; |
|
1534 int good_cnt; |
|
1535 int ret_val = 0; |
|
1536 unsigned long time; |
|
1537 |
|
1538 ew32(RDT, rx_ring->count - 1); |
|
1539 |
|
1540 /* |
|
1541 * Calculate the loop count based on the largest descriptor ring |
|
1542 * The idea is to wrap the largest ring a number of times using 64 |
|
1543 * send/receive pairs during each loop |
|
1544 */ |
|
1545 |
|
1546 if (rx_ring->count <= tx_ring->count) |
|
1547 lc = ((tx_ring->count / 64) * 2) + 1; |
|
1548 else |
|
1549 lc = ((rx_ring->count / 64) * 2) + 1; |
|
1550 |
|
1551 k = 0; |
|
1552 l = 0; |
|
1553 for (j = 0; j <= lc; j++) { /* loop count loop */ |
|
1554 for (i = 0; i < 64; i++) { /* send the packets */ |
|
1555 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb, |
|
1556 1024); |
|
1557 dma_sync_single_for_device(&pdev->dev, |
|
1558 tx_ring->buffer_info[k].dma, |
|
1559 tx_ring->buffer_info[k].length, |
|
1560 DMA_TO_DEVICE); |
|
1561 k++; |
|
1562 if (k == tx_ring->count) |
|
1563 k = 0; |
|
1564 } |
|
1565 ew32(TDT, k); |
|
1566 e1e_flush(); |
|
1567 msleep(200); |
|
1568 time = jiffies; /* set the start time for the receive */ |
|
1569 good_cnt = 0; |
|
1570 do { /* receive the sent packets */ |
|
1571 dma_sync_single_for_cpu(&pdev->dev, |
|
1572 rx_ring->buffer_info[l].dma, 2048, |
|
1573 DMA_FROM_DEVICE); |
|
1574 |
|
1575 ret_val = e1000_check_lbtest_frame( |
|
1576 rx_ring->buffer_info[l].skb, 1024); |
|
1577 if (!ret_val) |
|
1578 good_cnt++; |
|
1579 l++; |
|
1580 if (l == rx_ring->count) |
|
1581 l = 0; |
|
1582 /* |
|
1583 * time + 20 msecs (200 msecs on 2.4) is more than |
|
1584 * enough time to complete the receives, if it's |
|
1585 * exceeded, break and error off |
|
1586 */ |
|
1587 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); |
|
1588 if (good_cnt != 64) { |
|
1589 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1590 break; |
|
1591 } |
|
1592 if (jiffies >= (time + 20)) { |
|
1593 ret_val = 14; /* error code for time out error */ |
|
1594 break; |
|
1595 } |
|
1596 } /* end loop count loop */ |
|
1597 return ret_val; |
|
1598 } |
|
1599 |
|
1600 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1601 { |
|
1602 struct e1000_hw *hw = &adapter->hw; |
|
1603 |
|
1604 /* |
|
1605 * PHY loopback cannot be performed if SoL/IDER |
|
1606 * sessions are active |
|
1607 */ |
|
1608 if (hw->phy.ops.check_reset_block && |
|
1609 hw->phy.ops.check_reset_block(hw)) { |
|
1610 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); |
|
1611 *data = 0; |
|
1612 goto out; |
|
1613 } |
|
1614 |
|
1615 *data = e1000_setup_desc_rings(adapter); |
|
1616 if (*data) |
|
1617 goto out; |
|
1618 |
|
1619 *data = e1000_setup_loopback_test(adapter); |
|
1620 if (*data) |
|
1621 goto err_loopback; |
|
1622 |
|
1623 *data = e1000_run_loopback_test(adapter); |
|
1624 e1000_loopback_cleanup(adapter); |
|
1625 |
|
1626 err_loopback: |
|
1627 e1000_free_desc_rings(adapter); |
|
1628 out: |
|
1629 return *data; |
|
1630 } |
|
1631 |
|
1632 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1633 { |
|
1634 struct e1000_hw *hw = &adapter->hw; |
|
1635 |
|
1636 *data = 0; |
|
1637 if (hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1638 int i = 0; |
|
1639 hw->mac.serdes_has_link = false; |
|
1640 |
|
1641 /* |
|
1642 * On some blade server designs, link establishment |
|
1643 * could take as long as 2-3 minutes |
|
1644 */ |
|
1645 do { |
|
1646 hw->mac.ops.check_for_link(hw); |
|
1647 if (hw->mac.serdes_has_link) |
|
1648 return *data; |
|
1649 msleep(20); |
|
1650 } while (i++ < 3750); |
|
1651 |
|
1652 *data = 1; |
|
1653 } else { |
|
1654 hw->mac.ops.check_for_link(hw); |
|
1655 if (hw->mac.autoneg) |
|
1656 /* |
|
1657 * On some Phy/switch combinations, link establishment |
|
1658 * can take a few seconds more than expected. |
|
1659 */ |
|
1660 msleep(5000); |
|
1661 |
|
1662 if (!(er32(STATUS) & E1000_STATUS_LU)) |
|
1663 *data = 1; |
|
1664 } |
|
1665 return *data; |
|
1666 } |
|
1667 |
|
1668 static int e1000e_get_sset_count(struct net_device *netdev, int sset) |
|
1669 { |
|
1670 switch (sset) { |
|
1671 case ETH_SS_TEST: |
|
1672 return E1000_TEST_LEN; |
|
1673 case ETH_SS_STATS: |
|
1674 return E1000_STATS_LEN; |
|
1675 default: |
|
1676 return -EOPNOTSUPP; |
|
1677 } |
|
1678 } |
|
1679 |
|
1680 static void e1000_diag_test(struct net_device *netdev, |
|
1681 struct ethtool_test *eth_test, u64 *data) |
|
1682 { |
|
1683 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1684 u16 autoneg_advertised; |
|
1685 u8 forced_speed_duplex; |
|
1686 u8 autoneg; |
|
1687 bool if_running = netif_running(netdev); |
|
1688 |
|
1689 set_bit(__E1000_TESTING, &adapter->state); |
|
1690 |
|
1691 if (!if_running) { |
|
1692 /* Get control of and reset hardware */ |
|
1693 if (adapter->flags & FLAG_HAS_AMT) |
|
1694 e1000e_get_hw_control(adapter); |
|
1695 |
|
1696 e1000e_power_up_phy(adapter); |
|
1697 |
|
1698 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1699 e1000e_reset(adapter); |
|
1700 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1701 } |
|
1702 |
|
1703 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1704 /* Offline tests */ |
|
1705 |
|
1706 /* save speed, duplex, autoneg settings */ |
|
1707 autoneg_advertised = adapter->hw.phy.autoneg_advertised; |
|
1708 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; |
|
1709 autoneg = adapter->hw.mac.autoneg; |
|
1710 |
|
1711 e_info("offline testing starting\n"); |
|
1712 |
|
1713 if (if_running) |
|
1714 /* indicate we're in test mode */ |
|
1715 dev_close(netdev); |
|
1716 |
|
1717 if (e1000_reg_test(adapter, &data[0])) |
|
1718 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1719 |
|
1720 e1000e_reset(adapter); |
|
1721 if (e1000_eeprom_test(adapter, &data[1])) |
|
1722 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1723 |
|
1724 e1000e_reset(adapter); |
|
1725 if (e1000_intr_test(adapter, &data[2])) |
|
1726 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1727 |
|
1728 e1000e_reset(adapter); |
|
1729 if (e1000_loopback_test(adapter, &data[3])) |
|
1730 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1731 |
|
1732 /* force this routine to wait until autoneg complete/timeout */ |
|
1733 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1734 e1000e_reset(adapter); |
|
1735 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1736 |
|
1737 if (e1000_link_test(adapter, &data[4])) |
|
1738 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1739 |
|
1740 /* restore speed, duplex, autoneg settings */ |
|
1741 adapter->hw.phy.autoneg_advertised = autoneg_advertised; |
|
1742 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; |
|
1743 adapter->hw.mac.autoneg = autoneg; |
|
1744 e1000e_reset(adapter); |
|
1745 |
|
1746 clear_bit(__E1000_TESTING, &adapter->state); |
|
1747 if (if_running) |
|
1748 dev_open(netdev); |
|
1749 } else { |
|
1750 /* Online tests */ |
|
1751 |
|
1752 e_info("online testing starting\n"); |
|
1753 |
|
1754 /* register, eeprom, intr and loopback tests not run online */ |
|
1755 data[0] = 0; |
|
1756 data[1] = 0; |
|
1757 data[2] = 0; |
|
1758 data[3] = 0; |
|
1759 |
|
1760 if (e1000_link_test(adapter, &data[4])) |
|
1761 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1762 |
|
1763 clear_bit(__E1000_TESTING, &adapter->state); |
|
1764 } |
|
1765 |
|
1766 if (!if_running) { |
|
1767 e1000e_reset(adapter); |
|
1768 |
|
1769 if (adapter->flags & FLAG_HAS_AMT) |
|
1770 e1000e_release_hw_control(adapter); |
|
1771 } |
|
1772 |
|
1773 msleep_interruptible(4 * 1000); |
|
1774 } |
|
1775 |
|
1776 static void e1000_get_wol(struct net_device *netdev, |
|
1777 struct ethtool_wolinfo *wol) |
|
1778 { |
|
1779 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1780 |
|
1781 wol->supported = 0; |
|
1782 wol->wolopts = 0; |
|
1783 |
|
1784 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1785 !device_can_wakeup(&adapter->pdev->dev)) |
|
1786 return; |
|
1787 |
|
1788 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1789 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY; |
|
1790 |
|
1791 /* apply any specific unsupported masks here */ |
|
1792 if (adapter->flags & FLAG_NO_WAKE_UCAST) { |
|
1793 wol->supported &= ~WAKE_UCAST; |
|
1794 |
|
1795 if (adapter->wol & E1000_WUFC_EX) |
|
1796 e_err("Interface does not support directed (unicast) " |
|
1797 "frame wake-up packets\n"); |
|
1798 } |
|
1799 |
|
1800 if (adapter->wol & E1000_WUFC_EX) |
|
1801 wol->wolopts |= WAKE_UCAST; |
|
1802 if (adapter->wol & E1000_WUFC_MC) |
|
1803 wol->wolopts |= WAKE_MCAST; |
|
1804 if (adapter->wol & E1000_WUFC_BC) |
|
1805 wol->wolopts |= WAKE_BCAST; |
|
1806 if (adapter->wol & E1000_WUFC_MAG) |
|
1807 wol->wolopts |= WAKE_MAGIC; |
|
1808 if (adapter->wol & E1000_WUFC_LNKC) |
|
1809 wol->wolopts |= WAKE_PHY; |
|
1810 } |
|
1811 |
|
1812 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1813 { |
|
1814 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1815 |
|
1816 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1817 !device_can_wakeup(&adapter->pdev->dev) || |
|
1818 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | |
|
1819 WAKE_MAGIC | WAKE_PHY))) |
|
1820 return -EOPNOTSUPP; |
|
1821 |
|
1822 /* these settings will always override what we currently have */ |
|
1823 adapter->wol = 0; |
|
1824 |
|
1825 if (wol->wolopts & WAKE_UCAST) |
|
1826 adapter->wol |= E1000_WUFC_EX; |
|
1827 if (wol->wolopts & WAKE_MCAST) |
|
1828 adapter->wol |= E1000_WUFC_MC; |
|
1829 if (wol->wolopts & WAKE_BCAST) |
|
1830 adapter->wol |= E1000_WUFC_BC; |
|
1831 if (wol->wolopts & WAKE_MAGIC) |
|
1832 adapter->wol |= E1000_WUFC_MAG; |
|
1833 if (wol->wolopts & WAKE_PHY) |
|
1834 adapter->wol |= E1000_WUFC_LNKC; |
|
1835 |
|
1836 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1837 |
|
1838 return 0; |
|
1839 } |
|
1840 |
|
1841 static int e1000_set_phys_id(struct net_device *netdev, |
|
1842 enum ethtool_phys_id_state state) |
|
1843 { |
|
1844 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1845 struct e1000_hw *hw = &adapter->hw; |
|
1846 |
|
1847 switch (state) { |
|
1848 case ETHTOOL_ID_ACTIVE: |
|
1849 if (!hw->mac.ops.blink_led) |
|
1850 return 2; /* cycle on/off twice per second */ |
|
1851 |
|
1852 hw->mac.ops.blink_led(hw); |
|
1853 break; |
|
1854 |
|
1855 case ETHTOOL_ID_INACTIVE: |
|
1856 if (hw->phy.type == e1000_phy_ife) |
|
1857 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); |
|
1858 hw->mac.ops.led_off(hw); |
|
1859 hw->mac.ops.cleanup_led(hw); |
|
1860 break; |
|
1861 |
|
1862 case ETHTOOL_ID_ON: |
|
1863 hw->mac.ops.led_on(hw); |
|
1864 break; |
|
1865 |
|
1866 case ETHTOOL_ID_OFF: |
|
1867 hw->mac.ops.led_off(hw); |
|
1868 break; |
|
1869 } |
|
1870 return 0; |
|
1871 } |
|
1872 |
|
1873 static int e1000_get_coalesce(struct net_device *netdev, |
|
1874 struct ethtool_coalesce *ec) |
|
1875 { |
|
1876 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1877 |
|
1878 if (adapter->itr_setting <= 4) |
|
1879 ec->rx_coalesce_usecs = adapter->itr_setting; |
|
1880 else |
|
1881 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1882 |
|
1883 return 0; |
|
1884 } |
|
1885 |
|
1886 static int e1000_set_coalesce(struct net_device *netdev, |
|
1887 struct ethtool_coalesce *ec) |
|
1888 { |
|
1889 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1890 struct e1000_hw *hw = &adapter->hw; |
|
1891 |
|
1892 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
|
1893 ((ec->rx_coalesce_usecs > 4) && |
|
1894 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
|
1895 (ec->rx_coalesce_usecs == 2)) |
|
1896 return -EINVAL; |
|
1897 |
|
1898 if (ec->rx_coalesce_usecs == 4) { |
|
1899 adapter->itr = adapter->itr_setting = 4; |
|
1900 } else if (ec->rx_coalesce_usecs <= 3) { |
|
1901 adapter->itr = 20000; |
|
1902 adapter->itr_setting = ec->rx_coalesce_usecs; |
|
1903 } else { |
|
1904 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1905 adapter->itr_setting = adapter->itr & ~3; |
|
1906 } |
|
1907 |
|
1908 if (adapter->itr_setting != 0) |
|
1909 ew32(ITR, 1000000000 / (adapter->itr * 256)); |
|
1910 else |
|
1911 ew32(ITR, 0); |
|
1912 |
|
1913 return 0; |
|
1914 } |
|
1915 |
|
1916 static int e1000_nway_reset(struct net_device *netdev) |
|
1917 { |
|
1918 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1919 |
|
1920 if (!netif_running(netdev)) |
|
1921 return -EAGAIN; |
|
1922 |
|
1923 if (!adapter->hw.mac.autoneg) |
|
1924 return -EINVAL; |
|
1925 |
|
1926 e1000e_reinit_locked(adapter); |
|
1927 |
|
1928 return 0; |
|
1929 } |
|
1930 |
|
1931 static void e1000_get_ethtool_stats(struct net_device *netdev, |
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1932 struct ethtool_stats *stats, |
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1933 u64 *data) |
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1934 { |
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1935 struct e1000_adapter *adapter = netdev_priv(netdev); |
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1936 struct rtnl_link_stats64 net_stats; |
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1937 int i; |
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1938 char *p = NULL; |
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1939 |
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1940 e1000e_get_stats64(netdev, &net_stats); |
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1941 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
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1942 switch (e1000_gstrings_stats[i].type) { |
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1943 case NETDEV_STATS: |
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1944 p = (char *) &net_stats + |
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1945 e1000_gstrings_stats[i].stat_offset; |
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1946 break; |
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1947 case E1000_STATS: |
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1948 p = (char *) adapter + |
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1949 e1000_gstrings_stats[i].stat_offset; |
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1950 break; |
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1951 default: |
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1952 data[i] = 0; |
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1953 continue; |
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1954 } |
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1955 |
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1956 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
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1957 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
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1958 } |
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1959 } |
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1960 |
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1961 static void e1000_get_strings(struct net_device *netdev, u32 stringset, |
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1962 u8 *data) |
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1963 { |
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1964 u8 *p = data; |
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1965 int i; |
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1966 |
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1967 switch (stringset) { |
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1968 case ETH_SS_TEST: |
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1969 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test)); |
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1970 break; |
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1971 case ETH_SS_STATS: |
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1972 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
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1973 memcpy(p, e1000_gstrings_stats[i].stat_string, |
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1974 ETH_GSTRING_LEN); |
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1975 p += ETH_GSTRING_LEN; |
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1976 } |
|
1977 break; |
|
1978 } |
|
1979 } |
|
1980 |
|
1981 static int e1000_get_rxnfc(struct net_device *netdev, |
|
1982 struct ethtool_rxnfc *info, u32 *rule_locs) |
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1983 { |
|
1984 info->data = 0; |
|
1985 |
|
1986 switch (info->cmd) { |
|
1987 case ETHTOOL_GRXFH: { |
|
1988 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1989 struct e1000_hw *hw = &adapter->hw; |
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1990 u32 mrqc = er32(MRQC); |
|
1991 |
|
1992 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK)) |
|
1993 return 0; |
|
1994 |
|
1995 switch (info->flow_type) { |
|
1996 case TCP_V4_FLOW: |
|
1997 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP) |
|
1998 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
|
1999 /* fall through */ |
|
2000 case UDP_V4_FLOW: |
|
2001 case SCTP_V4_FLOW: |
|
2002 case AH_ESP_V4_FLOW: |
|
2003 case IPV4_FLOW: |
|
2004 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4) |
|
2005 info->data |= RXH_IP_SRC | RXH_IP_DST; |
|
2006 break; |
|
2007 case TCP_V6_FLOW: |
|
2008 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP) |
|
2009 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
|
2010 /* fall through */ |
|
2011 case UDP_V6_FLOW: |
|
2012 case SCTP_V6_FLOW: |
|
2013 case AH_ESP_V6_FLOW: |
|
2014 case IPV6_FLOW: |
|
2015 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6) |
|
2016 info->data |= RXH_IP_SRC | RXH_IP_DST; |
|
2017 break; |
|
2018 default: |
|
2019 break; |
|
2020 } |
|
2021 return 0; |
|
2022 } |
|
2023 default: |
|
2024 return -EOPNOTSUPP; |
|
2025 } |
|
2026 } |
|
2027 |
|
2028 static const struct ethtool_ops e1000_ethtool_ops = { |
|
2029 .get_settings = e1000_get_settings, |
|
2030 .set_settings = e1000_set_settings, |
|
2031 .get_drvinfo = e1000_get_drvinfo, |
|
2032 .get_regs_len = e1000_get_regs_len, |
|
2033 .get_regs = e1000_get_regs, |
|
2034 .get_wol = e1000_get_wol, |
|
2035 .set_wol = e1000_set_wol, |
|
2036 .get_msglevel = e1000_get_msglevel, |
|
2037 .set_msglevel = e1000_set_msglevel, |
|
2038 .nway_reset = e1000_nway_reset, |
|
2039 .get_link = ethtool_op_get_link, |
|
2040 .get_eeprom_len = e1000_get_eeprom_len, |
|
2041 .get_eeprom = e1000_get_eeprom, |
|
2042 .set_eeprom = e1000_set_eeprom, |
|
2043 .get_ringparam = e1000_get_ringparam, |
|
2044 .set_ringparam = e1000_set_ringparam, |
|
2045 .get_pauseparam = e1000_get_pauseparam, |
|
2046 .set_pauseparam = e1000_set_pauseparam, |
|
2047 .self_test = e1000_diag_test, |
|
2048 .get_strings = e1000_get_strings, |
|
2049 .set_phys_id = e1000_set_phys_id, |
|
2050 .get_ethtool_stats = e1000_get_ethtool_stats, |
|
2051 .get_sset_count = e1000e_get_sset_count, |
|
2052 .get_coalesce = e1000_get_coalesce, |
|
2053 .set_coalesce = e1000_set_coalesce, |
|
2054 .get_rxnfc = e1000_get_rxnfc, |
|
2055 }; |
|
2056 |
|
2057 void e1000e_set_ethtool_ops(struct net_device *netdev) |
|
2058 { |
|
2059 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
|
2060 } |