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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 - 2013 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 #include <linux/pm_runtime.h> |
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39 |
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40 #include "e1000.h" |
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41 |
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42 enum { NETDEV_STATS, E1000_STATS }; |
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43 |
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44 struct e1000_stats { |
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45 char stat_string[ETH_GSTRING_LEN]; |
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46 int type; |
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47 int sizeof_stat; |
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48 int stat_offset; |
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49 }; |
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50 |
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51 #define E1000_STAT(str, m) { \ |
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52 .stat_string = str, \ |
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53 .type = E1000_STATS, \ |
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54 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \ |
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55 .stat_offset = offsetof(struct e1000_adapter, m) } |
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56 #define E1000_NETDEV_STAT(str, m) { \ |
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57 .stat_string = str, \ |
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58 .type = NETDEV_STATS, \ |
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59 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \ |
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60 .stat_offset = offsetof(struct rtnl_link_stats64, m) } |
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61 |
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62 static const struct e1000_stats e1000_gstrings_stats[] = { |
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63 E1000_STAT("rx_packets", stats.gprc), |
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64 E1000_STAT("tx_packets", stats.gptc), |
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65 E1000_STAT("rx_bytes", stats.gorc), |
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66 E1000_STAT("tx_bytes", stats.gotc), |
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67 E1000_STAT("rx_broadcast", stats.bprc), |
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68 E1000_STAT("tx_broadcast", stats.bptc), |
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69 E1000_STAT("rx_multicast", stats.mprc), |
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70 E1000_STAT("tx_multicast", stats.mptc), |
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71 E1000_NETDEV_STAT("rx_errors", rx_errors), |
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72 E1000_NETDEV_STAT("tx_errors", tx_errors), |
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73 E1000_NETDEV_STAT("tx_dropped", tx_dropped), |
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74 E1000_STAT("multicast", stats.mprc), |
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75 E1000_STAT("collisions", stats.colc), |
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76 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors), |
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77 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors), |
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78 E1000_STAT("rx_crc_errors", stats.crcerrs), |
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79 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors), |
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80 E1000_STAT("rx_no_buffer_count", stats.rnbc), |
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81 E1000_STAT("rx_missed_errors", stats.mpc), |
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82 E1000_STAT("tx_aborted_errors", stats.ecol), |
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83 E1000_STAT("tx_carrier_errors", stats.tncrs), |
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84 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors), |
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85 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors), |
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86 E1000_STAT("tx_window_errors", stats.latecol), |
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87 E1000_STAT("tx_abort_late_coll", stats.latecol), |
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88 E1000_STAT("tx_deferred_ok", stats.dc), |
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89 E1000_STAT("tx_single_coll_ok", stats.scc), |
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90 E1000_STAT("tx_multi_coll_ok", stats.mcc), |
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91 E1000_STAT("tx_timeout_count", tx_timeout_count), |
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92 E1000_STAT("tx_restart_queue", restart_queue), |
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93 E1000_STAT("rx_long_length_errors", stats.roc), |
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94 E1000_STAT("rx_short_length_errors", stats.ruc), |
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95 E1000_STAT("rx_align_errors", stats.algnerrc), |
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96 E1000_STAT("tx_tcp_seg_good", stats.tsctc), |
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97 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc), |
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98 E1000_STAT("rx_flow_control_xon", stats.xonrxc), |
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99 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc), |
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100 E1000_STAT("tx_flow_control_xon", stats.xontxc), |
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101 E1000_STAT("tx_flow_control_xoff", stats.xofftxc), |
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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 E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), |
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112 E1000_STAT("uncorr_ecc_errors", uncorr_errors), |
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113 E1000_STAT("corr_ecc_errors", corr_errors), |
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114 }; |
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115 |
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116 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
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117 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) |
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118 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { |
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119 "Register test (offline)", "Eeprom test (offline)", |
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120 "Interrupt test (offline)", "Loopback test (offline)", |
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121 "Link test (on/offline)" |
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122 }; |
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123 |
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124 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
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125 |
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126 static int e1000_get_settings(struct net_device *netdev, |
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127 struct ethtool_cmd *ecmd) |
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128 { |
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129 struct e1000_adapter *adapter = netdev_priv(netdev); |
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130 struct e1000_hw *hw = &adapter->hw; |
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131 u32 speed; |
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132 |
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133 if (hw->phy.media_type == e1000_media_type_copper) { |
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134 ecmd->supported = (SUPPORTED_10baseT_Half | |
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135 SUPPORTED_10baseT_Full | |
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136 SUPPORTED_100baseT_Half | |
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137 SUPPORTED_100baseT_Full | |
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138 SUPPORTED_1000baseT_Full | |
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139 SUPPORTED_Autoneg | |
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140 SUPPORTED_TP); |
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141 if (hw->phy.type == e1000_phy_ife) |
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142 ecmd->supported &= ~SUPPORTED_1000baseT_Full; |
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143 ecmd->advertising = ADVERTISED_TP; |
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144 |
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145 if (hw->mac.autoneg == 1) { |
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146 ecmd->advertising |= ADVERTISED_Autoneg; |
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147 /* the e1000 autoneg seems to match ethtool nicely */ |
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148 ecmd->advertising |= hw->phy.autoneg_advertised; |
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149 } |
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150 |
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151 ecmd->port = PORT_TP; |
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152 ecmd->phy_address = hw->phy.addr; |
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153 ecmd->transceiver = XCVR_INTERNAL; |
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154 |
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155 } else { |
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156 ecmd->supported = (SUPPORTED_1000baseT_Full | |
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157 SUPPORTED_FIBRE | |
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158 SUPPORTED_Autoneg); |
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159 |
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160 ecmd->advertising = (ADVERTISED_1000baseT_Full | |
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161 ADVERTISED_FIBRE | |
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162 ADVERTISED_Autoneg); |
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163 |
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164 ecmd->port = PORT_FIBRE; |
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165 ecmd->transceiver = XCVR_EXTERNAL; |
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166 } |
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167 |
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168 speed = -1; |
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169 ecmd->duplex = -1; |
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170 |
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171 if (netif_running(netdev)) { |
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172 if (netif_carrier_ok(netdev)) { |
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173 speed = adapter->link_speed; |
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174 ecmd->duplex = adapter->link_duplex - 1; |
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175 } |
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176 } else if (!pm_runtime_suspended(netdev->dev.parent)) { |
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177 u32 status = er32(STATUS); |
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178 if (status & E1000_STATUS_LU) { |
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179 if (status & E1000_STATUS_SPEED_1000) |
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180 speed = SPEED_1000; |
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181 else if (status & E1000_STATUS_SPEED_100) |
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182 speed = SPEED_100; |
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183 else |
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184 speed = SPEED_10; |
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185 |
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186 if (status & E1000_STATUS_FD) |
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187 ecmd->duplex = DUPLEX_FULL; |
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188 else |
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189 ecmd->duplex = DUPLEX_HALF; |
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190 } |
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191 } |
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192 |
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193 ethtool_cmd_speed_set(ecmd, speed); |
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194 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || |
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195 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
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196 |
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197 /* MDI-X => 2; MDI =>1; Invalid =>0 */ |
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198 if ((hw->phy.media_type == e1000_media_type_copper) && |
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199 netif_carrier_ok(netdev)) |
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200 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : ETH_TP_MDI; |
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201 else |
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202 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; |
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203 |
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204 if (hw->phy.mdix == AUTO_ALL_MODES) |
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205 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; |
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206 else |
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207 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix; |
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208 |
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209 return 0; |
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210 } |
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211 |
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212 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) |
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213 { |
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214 struct e1000_mac_info *mac = &adapter->hw.mac; |
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215 |
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216 mac->autoneg = 0; |
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217 |
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218 /* Make sure dplx is at most 1 bit and lsb of speed is not set |
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219 * for the switch() below to work |
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220 */ |
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221 if ((spd & 1) || (dplx & ~1)) |
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222 goto err_inval; |
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223 |
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224 /* Fiber NICs only allow 1000 gbps Full duplex */ |
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225 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) && |
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226 (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) { |
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227 goto err_inval; |
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228 } |
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229 |
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230 switch (spd + dplx) { |
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231 case SPEED_10 + DUPLEX_HALF: |
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232 mac->forced_speed_duplex = ADVERTISE_10_HALF; |
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233 break; |
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234 case SPEED_10 + DUPLEX_FULL: |
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235 mac->forced_speed_duplex = ADVERTISE_10_FULL; |
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236 break; |
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237 case SPEED_100 + DUPLEX_HALF: |
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238 mac->forced_speed_duplex = ADVERTISE_100_HALF; |
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239 break; |
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240 case SPEED_100 + DUPLEX_FULL: |
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241 mac->forced_speed_duplex = ADVERTISE_100_FULL; |
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242 break; |
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243 case SPEED_1000 + DUPLEX_FULL: |
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244 mac->autoneg = 1; |
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245 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; |
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246 break; |
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247 case SPEED_1000 + DUPLEX_HALF: /* not supported */ |
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248 default: |
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249 goto err_inval; |
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250 } |
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251 |
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252 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */ |
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253 adapter->hw.phy.mdix = AUTO_ALL_MODES; |
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254 |
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255 return 0; |
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256 |
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257 err_inval: |
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258 e_err("Unsupported Speed/Duplex configuration\n"); |
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259 return -EINVAL; |
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260 } |
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261 |
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262 static int e1000_set_settings(struct net_device *netdev, |
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263 struct ethtool_cmd *ecmd) |
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264 { |
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265 struct e1000_adapter *adapter = netdev_priv(netdev); |
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266 struct e1000_hw *hw = &adapter->hw; |
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267 int ret_val = 0; |
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268 |
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269 pm_runtime_get_sync(netdev->dev.parent); |
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270 |
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271 /* When SoL/IDER sessions are active, autoneg/speed/duplex |
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272 * cannot be changed |
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273 */ |
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274 if (hw->phy.ops.check_reset_block && |
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275 hw->phy.ops.check_reset_block(hw)) { |
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276 e_err("Cannot change link characteristics when SoL/IDER is active.\n"); |
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277 ret_val = -EINVAL; |
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278 goto out; |
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279 } |
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280 |
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281 /* MDI setting is only allowed when autoneg enabled because |
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282 * some hardware doesn't allow MDI setting when speed or |
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283 * duplex is forced. |
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284 */ |
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285 if (ecmd->eth_tp_mdix_ctrl) { |
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286 if (hw->phy.media_type != e1000_media_type_copper) { |
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287 ret_val = -EOPNOTSUPP; |
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288 goto out; |
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289 } |
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290 |
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291 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) && |
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292 (ecmd->autoneg != AUTONEG_ENABLE)) { |
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293 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); |
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294 ret_val = -EINVAL; |
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295 goto out; |
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296 } |
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297 } |
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298 |
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299 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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300 usleep_range(1000, 2000); |
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301 |
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302 if (ecmd->autoneg == AUTONEG_ENABLE) { |
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303 hw->mac.autoneg = 1; |
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304 if (hw->phy.media_type == e1000_media_type_fiber) |
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305 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | |
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306 ADVERTISED_FIBRE | ADVERTISED_Autoneg; |
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307 else |
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308 hw->phy.autoneg_advertised = ecmd->advertising | |
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309 ADVERTISED_TP | ADVERTISED_Autoneg; |
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310 ecmd->advertising = hw->phy.autoneg_advertised; |
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311 if (adapter->fc_autoneg) |
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312 hw->fc.requested_mode = e1000_fc_default; |
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313 } else { |
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314 u32 speed = ethtool_cmd_speed(ecmd); |
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315 /* calling this overrides forced MDI setting */ |
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316 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) { |
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317 ret_val = -EINVAL; |
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318 goto out; |
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319 } |
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320 } |
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321 |
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322 /* MDI-X => 2; MDI => 1; Auto => 3 */ |
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323 if (ecmd->eth_tp_mdix_ctrl) { |
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324 /* fix up the value for auto (3 => 0) as zero is mapped |
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325 * internally to auto |
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326 */ |
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327 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) |
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328 hw->phy.mdix = AUTO_ALL_MODES; |
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329 else |
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330 hw->phy.mdix = ecmd->eth_tp_mdix_ctrl; |
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331 } |
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332 |
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333 /* reset the link */ |
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334 if (netif_running(adapter->netdev)) { |
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335 e1000e_down(adapter); |
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336 e1000e_up(adapter); |
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337 } else { |
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338 e1000e_reset(adapter); |
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339 } |
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340 |
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341 out: |
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342 pm_runtime_put_sync(netdev->dev.parent); |
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343 clear_bit(__E1000_RESETTING, &adapter->state); |
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344 return ret_val; |
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345 } |
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346 |
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347 static void e1000_get_pauseparam(struct net_device *netdev, |
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348 struct ethtool_pauseparam *pause) |
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349 { |
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350 struct e1000_adapter *adapter = netdev_priv(netdev); |
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351 struct e1000_hw *hw = &adapter->hw; |
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352 |
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353 pause->autoneg = |
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354 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); |
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355 |
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356 if (hw->fc.current_mode == e1000_fc_rx_pause) { |
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357 pause->rx_pause = 1; |
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358 } else if (hw->fc.current_mode == e1000_fc_tx_pause) { |
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359 pause->tx_pause = 1; |
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360 } else if (hw->fc.current_mode == e1000_fc_full) { |
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361 pause->rx_pause = 1; |
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362 pause->tx_pause = 1; |
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363 } |
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364 } |
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365 |
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366 static int e1000_set_pauseparam(struct net_device *netdev, |
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367 struct ethtool_pauseparam *pause) |
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368 { |
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369 struct e1000_adapter *adapter = netdev_priv(netdev); |
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370 struct e1000_hw *hw = &adapter->hw; |
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371 int retval = 0; |
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372 |
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373 adapter->fc_autoneg = pause->autoneg; |
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374 |
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375 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
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376 usleep_range(1000, 2000); |
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377 |
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378 pm_runtime_get_sync(netdev->dev.parent); |
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379 |
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380 if (adapter->fc_autoneg == AUTONEG_ENABLE) { |
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381 hw->fc.requested_mode = e1000_fc_default; |
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382 if (netif_running(adapter->netdev)) { |
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383 e1000e_down(adapter); |
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384 e1000e_up(adapter); |
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385 } else { |
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386 e1000e_reset(adapter); |
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387 } |
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388 } else { |
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389 if (pause->rx_pause && pause->tx_pause) |
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390 hw->fc.requested_mode = e1000_fc_full; |
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391 else if (pause->rx_pause && !pause->tx_pause) |
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392 hw->fc.requested_mode = e1000_fc_rx_pause; |
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393 else if (!pause->rx_pause && pause->tx_pause) |
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394 hw->fc.requested_mode = e1000_fc_tx_pause; |
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395 else if (!pause->rx_pause && !pause->tx_pause) |
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396 hw->fc.requested_mode = e1000_fc_none; |
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397 |
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398 hw->fc.current_mode = hw->fc.requested_mode; |
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399 |
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400 if (hw->phy.media_type == e1000_media_type_fiber) { |
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401 retval = hw->mac.ops.setup_link(hw); |
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402 /* implicit goto out */ |
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403 } else { |
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404 retval = e1000e_force_mac_fc(hw); |
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405 if (retval) |
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406 goto out; |
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407 e1000e_set_fc_watermarks(hw); |
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408 } |
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409 } |
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410 |
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411 out: |
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412 pm_runtime_put_sync(netdev->dev.parent); |
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413 clear_bit(__E1000_RESETTING, &adapter->state); |
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414 return retval; |
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415 } |
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416 |
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417 static u32 e1000_get_msglevel(struct net_device *netdev) |
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418 { |
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419 struct e1000_adapter *adapter = netdev_priv(netdev); |
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420 return adapter->msg_enable; |
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421 } |
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422 |
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423 static void e1000_set_msglevel(struct net_device *netdev, u32 data) |
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424 { |
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425 struct e1000_adapter *adapter = netdev_priv(netdev); |
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426 adapter->msg_enable = data; |
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427 } |
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428 |
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429 static int e1000_get_regs_len(struct net_device __always_unused *netdev) |
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430 { |
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431 #define E1000_REGS_LEN 32 /* overestimate */ |
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432 return E1000_REGS_LEN * sizeof(u32); |
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433 } |
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434 |
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435 static void e1000_get_regs(struct net_device *netdev, |
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436 struct ethtool_regs *regs, void *p) |
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437 { |
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438 struct e1000_adapter *adapter = netdev_priv(netdev); |
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439 struct e1000_hw *hw = &adapter->hw; |
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440 u32 *regs_buff = p; |
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441 u16 phy_data; |
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442 |
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443 pm_runtime_get_sync(netdev->dev.parent); |
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444 |
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445 memset(p, 0, E1000_REGS_LEN * sizeof(u32)); |
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446 |
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447 regs->version = (1 << 24) | (adapter->pdev->revision << 16) | |
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448 adapter->pdev->device; |
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449 |
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450 regs_buff[0] = er32(CTRL); |
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451 regs_buff[1] = er32(STATUS); |
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452 |
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453 regs_buff[2] = er32(RCTL); |
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454 regs_buff[3] = er32(RDLEN(0)); |
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455 regs_buff[4] = er32(RDH(0)); |
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456 regs_buff[5] = er32(RDT(0)); |
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457 regs_buff[6] = er32(RDTR); |
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458 |
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459 regs_buff[7] = er32(TCTL); |
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460 regs_buff[8] = er32(TDLEN(0)); |
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461 regs_buff[9] = er32(TDH(0)); |
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462 regs_buff[10] = er32(TDT(0)); |
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463 regs_buff[11] = er32(TIDV); |
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464 |
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465 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ |
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466 |
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467 /* ethtool doesn't use anything past this point, so all this |
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468 * code is likely legacy junk for apps that may or may not exist |
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469 */ |
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470 if (hw->phy.type == e1000_phy_m88) { |
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471 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
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472 regs_buff[13] = (u32)phy_data; /* cable length */ |
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473 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
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474 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
475 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
476 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
|
477 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ |
|
478 regs_buff[18] = regs_buff[13]; /* cable polarity */ |
|
479 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ |
|
480 regs_buff[20] = regs_buff[17]; /* polarity correction */ |
|
481 /* phy receive errors */ |
|
482 regs_buff[22] = adapter->phy_stats.receive_errors; |
|
483 regs_buff[23] = regs_buff[13]; /* mdix mode */ |
|
484 } |
|
485 regs_buff[21] = 0; /* was idle_errors */ |
|
486 e1e_rphy(hw, MII_STAT1000, &phy_data); |
|
487 regs_buff[24] = (u32)phy_data; /* phy local receiver status */ |
|
488 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ |
|
489 |
|
490 pm_runtime_put_sync(netdev->dev.parent); |
|
491 } |
|
492 |
|
493 static int e1000_get_eeprom_len(struct net_device *netdev) |
|
494 { |
|
495 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
496 return adapter->hw.nvm.word_size * 2; |
|
497 } |
|
498 |
|
499 static int e1000_get_eeprom(struct net_device *netdev, |
|
500 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
501 { |
|
502 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
503 struct e1000_hw *hw = &adapter->hw; |
|
504 u16 *eeprom_buff; |
|
505 int first_word; |
|
506 int last_word; |
|
507 int ret_val = 0; |
|
508 u16 i; |
|
509 |
|
510 if (eeprom->len == 0) |
|
511 return -EINVAL; |
|
512 |
|
513 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); |
|
514 |
|
515 first_word = eeprom->offset >> 1; |
|
516 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
517 |
|
518 eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), |
|
519 GFP_KERNEL); |
|
520 if (!eeprom_buff) |
|
521 return -ENOMEM; |
|
522 |
|
523 pm_runtime_get_sync(netdev->dev.parent); |
|
524 |
|
525 if (hw->nvm.type == e1000_nvm_eeprom_spi) { |
|
526 ret_val = e1000_read_nvm(hw, first_word, |
|
527 last_word - first_word + 1, |
|
528 eeprom_buff); |
|
529 } else { |
|
530 for (i = 0; i < last_word - first_word + 1; i++) { |
|
531 ret_val = e1000_read_nvm(hw, first_word + i, 1, |
|
532 &eeprom_buff[i]); |
|
533 if (ret_val) |
|
534 break; |
|
535 } |
|
536 } |
|
537 |
|
538 pm_runtime_put_sync(netdev->dev.parent); |
|
539 |
|
540 if (ret_val) { |
|
541 /* a read error occurred, throw away the result */ |
|
542 memset(eeprom_buff, 0xff, sizeof(u16) * |
|
543 (last_word - first_word + 1)); |
|
544 } else { |
|
545 /* Device's eeprom is always little-endian, word addressable */ |
|
546 for (i = 0; i < last_word - first_word + 1; i++) |
|
547 le16_to_cpus(&eeprom_buff[i]); |
|
548 } |
|
549 |
|
550 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
|
551 kfree(eeprom_buff); |
|
552 |
|
553 return ret_val; |
|
554 } |
|
555 |
|
556 static int e1000_set_eeprom(struct net_device *netdev, |
|
557 struct ethtool_eeprom *eeprom, u8 *bytes) |
|
558 { |
|
559 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
560 struct e1000_hw *hw = &adapter->hw; |
|
561 u16 *eeprom_buff; |
|
562 void *ptr; |
|
563 int max_len; |
|
564 int first_word; |
|
565 int last_word; |
|
566 int ret_val = 0; |
|
567 u16 i; |
|
568 |
|
569 if (eeprom->len == 0) |
|
570 return -EOPNOTSUPP; |
|
571 |
|
572 if (eeprom->magic != |
|
573 (adapter->pdev->vendor | (adapter->pdev->device << 16))) |
|
574 return -EFAULT; |
|
575 |
|
576 if (adapter->flags & FLAG_READ_ONLY_NVM) |
|
577 return -EINVAL; |
|
578 |
|
579 max_len = hw->nvm.word_size * 2; |
|
580 |
|
581 first_word = eeprom->offset >> 1; |
|
582 last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
|
583 eeprom_buff = kmalloc(max_len, GFP_KERNEL); |
|
584 if (!eeprom_buff) |
|
585 return -ENOMEM; |
|
586 |
|
587 ptr = (void *)eeprom_buff; |
|
588 |
|
589 pm_runtime_get_sync(netdev->dev.parent); |
|
590 |
|
591 if (eeprom->offset & 1) { |
|
592 /* need read/modify/write of first changed EEPROM word */ |
|
593 /* only the second byte of the word is being modified */ |
|
594 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); |
|
595 ptr++; |
|
596 } |
|
597 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val)) |
|
598 /* need read/modify/write of last changed EEPROM word */ |
|
599 /* only the first byte of the word is being modified */ |
|
600 ret_val = e1000_read_nvm(hw, last_word, 1, |
|
601 &eeprom_buff[last_word - first_word]); |
|
602 |
|
603 if (ret_val) |
|
604 goto out; |
|
605 |
|
606 /* Device's eeprom is always little-endian, word addressable */ |
|
607 for (i = 0; i < last_word - first_word + 1; i++) |
|
608 le16_to_cpus(&eeprom_buff[i]); |
|
609 |
|
610 memcpy(ptr, bytes, eeprom->len); |
|
611 |
|
612 for (i = 0; i < last_word - first_word + 1; i++) |
|
613 cpu_to_le16s(&eeprom_buff[i]); |
|
614 |
|
615 ret_val = e1000_write_nvm(hw, first_word, |
|
616 last_word - first_word + 1, eeprom_buff); |
|
617 |
|
618 if (ret_val) |
|
619 goto out; |
|
620 |
|
621 /* Update the checksum over the first part of the EEPROM if needed |
|
622 * and flush shadow RAM for applicable controllers |
|
623 */ |
|
624 if ((first_word <= NVM_CHECKSUM_REG) || |
|
625 (hw->mac.type == e1000_82583) || |
|
626 (hw->mac.type == e1000_82574) || |
|
627 (hw->mac.type == e1000_82573)) |
|
628 ret_val = e1000e_update_nvm_checksum(hw); |
|
629 |
|
630 out: |
|
631 pm_runtime_put_sync(netdev->dev.parent); |
|
632 kfree(eeprom_buff); |
|
633 return ret_val; |
|
634 } |
|
635 |
|
636 static void e1000_get_drvinfo(struct net_device *netdev, |
|
637 struct ethtool_drvinfo *drvinfo) |
|
638 { |
|
639 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
640 |
|
641 strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver)); |
|
642 strlcpy(drvinfo->version, e1000e_driver_version, |
|
643 sizeof(drvinfo->version)); |
|
644 |
|
645 /* EEPROM image version # is reported as firmware version # for |
|
646 * PCI-E controllers |
|
647 */ |
|
648 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), |
|
649 "%d.%d-%d", |
|
650 (adapter->eeprom_vers & 0xF000) >> 12, |
|
651 (adapter->eeprom_vers & 0x0FF0) >> 4, |
|
652 (adapter->eeprom_vers & 0x000F)); |
|
653 |
|
654 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), |
|
655 sizeof(drvinfo->bus_info)); |
|
656 drvinfo->regdump_len = e1000_get_regs_len(netdev); |
|
657 drvinfo->eedump_len = e1000_get_eeprom_len(netdev); |
|
658 } |
|
659 |
|
660 static void e1000_get_ringparam(struct net_device *netdev, |
|
661 struct ethtool_ringparam *ring) |
|
662 { |
|
663 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
664 |
|
665 ring->rx_max_pending = E1000_MAX_RXD; |
|
666 ring->tx_max_pending = E1000_MAX_TXD; |
|
667 ring->rx_pending = adapter->rx_ring_count; |
|
668 ring->tx_pending = adapter->tx_ring_count; |
|
669 } |
|
670 |
|
671 static int e1000_set_ringparam(struct net_device *netdev, |
|
672 struct ethtool_ringparam *ring) |
|
673 { |
|
674 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
675 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL; |
|
676 int err = 0, size = sizeof(struct e1000_ring); |
|
677 bool set_tx = false, set_rx = false; |
|
678 u16 new_rx_count, new_tx_count; |
|
679 |
|
680 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) |
|
681 return -EINVAL; |
|
682 |
|
683 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD, |
|
684 E1000_MAX_RXD); |
|
685 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE); |
|
686 |
|
687 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD, |
|
688 E1000_MAX_TXD); |
|
689 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE); |
|
690 |
|
691 if ((new_tx_count == adapter->tx_ring_count) && |
|
692 (new_rx_count == adapter->rx_ring_count)) |
|
693 /* nothing to do */ |
|
694 return 0; |
|
695 |
|
696 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) |
|
697 usleep_range(1000, 2000); |
|
698 |
|
699 if (!netif_running(adapter->netdev)) { |
|
700 /* Set counts now and allocate resources during open() */ |
|
701 adapter->tx_ring->count = new_tx_count; |
|
702 adapter->rx_ring->count = new_rx_count; |
|
703 adapter->tx_ring_count = new_tx_count; |
|
704 adapter->rx_ring_count = new_rx_count; |
|
705 goto clear_reset; |
|
706 } |
|
707 |
|
708 set_tx = (new_tx_count != adapter->tx_ring_count); |
|
709 set_rx = (new_rx_count != adapter->rx_ring_count); |
|
710 |
|
711 /* Allocate temporary storage for ring updates */ |
|
712 if (set_tx) { |
|
713 temp_tx = vmalloc(size); |
|
714 if (!temp_tx) { |
|
715 err = -ENOMEM; |
|
716 goto free_temp; |
|
717 } |
|
718 } |
|
719 if (set_rx) { |
|
720 temp_rx = vmalloc(size); |
|
721 if (!temp_rx) { |
|
722 err = -ENOMEM; |
|
723 goto free_temp; |
|
724 } |
|
725 } |
|
726 |
|
727 pm_runtime_get_sync(netdev->dev.parent); |
|
728 |
|
729 e1000e_down(adapter); |
|
730 |
|
731 /* We can't just free everything and then setup again, because the |
|
732 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring |
|
733 * structs. First, attempt to allocate new resources... |
|
734 */ |
|
735 if (set_tx) { |
|
736 memcpy(temp_tx, adapter->tx_ring, size); |
|
737 temp_tx->count = new_tx_count; |
|
738 err = e1000e_setup_tx_resources(temp_tx); |
|
739 if (err) |
|
740 goto err_setup; |
|
741 } |
|
742 if (set_rx) { |
|
743 memcpy(temp_rx, adapter->rx_ring, size); |
|
744 temp_rx->count = new_rx_count; |
|
745 err = e1000e_setup_rx_resources(temp_rx); |
|
746 if (err) |
|
747 goto err_setup_rx; |
|
748 } |
|
749 |
|
750 /* ...then free the old resources and copy back any new ring data */ |
|
751 if (set_tx) { |
|
752 e1000e_free_tx_resources(adapter->tx_ring); |
|
753 memcpy(adapter->tx_ring, temp_tx, size); |
|
754 adapter->tx_ring_count = new_tx_count; |
|
755 } |
|
756 if (set_rx) { |
|
757 e1000e_free_rx_resources(adapter->rx_ring); |
|
758 memcpy(adapter->rx_ring, temp_rx, size); |
|
759 adapter->rx_ring_count = new_rx_count; |
|
760 } |
|
761 |
|
762 err_setup_rx: |
|
763 if (err && set_tx) |
|
764 e1000e_free_tx_resources(temp_tx); |
|
765 err_setup: |
|
766 e1000e_up(adapter); |
|
767 pm_runtime_put_sync(netdev->dev.parent); |
|
768 free_temp: |
|
769 vfree(temp_tx); |
|
770 vfree(temp_rx); |
|
771 clear_reset: |
|
772 clear_bit(__E1000_RESETTING, &adapter->state); |
|
773 return err; |
|
774 } |
|
775 |
|
776 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, |
|
777 int reg, int offset, u32 mask, u32 write) |
|
778 { |
|
779 u32 pat, val; |
|
780 static const u32 test[] = { |
|
781 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF |
|
782 }; |
|
783 for (pat = 0; pat < ARRAY_SIZE(test); pat++) { |
|
784 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, |
|
785 (test[pat] & write)); |
|
786 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); |
|
787 if (val != (test[pat] & write & mask)) { |
|
788 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n", |
|
789 reg + (offset << 2), val, |
|
790 (test[pat] & write & mask)); |
|
791 *data = reg; |
|
792 return 1; |
|
793 } |
|
794 } |
|
795 return 0; |
|
796 } |
|
797 |
|
798 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, |
|
799 int reg, u32 mask, u32 write) |
|
800 { |
|
801 u32 val; |
|
802 __ew32(&adapter->hw, reg, write & mask); |
|
803 val = __er32(&adapter->hw, reg); |
|
804 if ((write & mask) != (val & mask)) { |
|
805 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n", |
|
806 reg, (val & mask), (write & mask)); |
|
807 *data = reg; |
|
808 return 1; |
|
809 } |
|
810 return 0; |
|
811 } |
|
812 |
|
813 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \ |
|
814 do { \ |
|
815 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \ |
|
816 return 1; \ |
|
817 } while (0) |
|
818 #define REG_PATTERN_TEST(reg, mask, write) \ |
|
819 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write) |
|
820 |
|
821 #define REG_SET_AND_CHECK(reg, mask, write) \ |
|
822 do { \ |
|
823 if (reg_set_and_check(adapter, data, reg, mask, write)) \ |
|
824 return 1; \ |
|
825 } while (0) |
|
826 |
|
827 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
|
828 { |
|
829 struct e1000_hw *hw = &adapter->hw; |
|
830 struct e1000_mac_info *mac = &adapter->hw.mac; |
|
831 u32 value; |
|
832 u32 before; |
|
833 u32 after; |
|
834 u32 i; |
|
835 u32 toggle; |
|
836 u32 mask; |
|
837 u32 wlock_mac = 0; |
|
838 |
|
839 /* The status register is Read Only, so a write should fail. |
|
840 * Some bits that get toggled are ignored. There are several bits |
|
841 * on newer hardware that are r/w. |
|
842 */ |
|
843 switch (mac->type) { |
|
844 case e1000_82571: |
|
845 case e1000_82572: |
|
846 case e1000_80003es2lan: |
|
847 toggle = 0x7FFFF3FF; |
|
848 break; |
|
849 default: |
|
850 toggle = 0x7FFFF033; |
|
851 break; |
|
852 } |
|
853 |
|
854 before = er32(STATUS); |
|
855 value = (er32(STATUS) & toggle); |
|
856 ew32(STATUS, toggle); |
|
857 after = er32(STATUS) & toggle; |
|
858 if (value != after) { |
|
859 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n", |
|
860 after, value); |
|
861 *data = 1; |
|
862 return 1; |
|
863 } |
|
864 /* restore previous status */ |
|
865 ew32(STATUS, before); |
|
866 |
|
867 if (!(adapter->flags & FLAG_IS_ICH)) { |
|
868 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); |
|
869 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); |
|
870 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); |
|
871 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); |
|
872 } |
|
873 |
|
874 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); |
|
875 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF); |
|
876 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF); |
|
877 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF); |
|
878 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF); |
|
879 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); |
|
880 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); |
|
881 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); |
|
882 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF); |
|
883 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF); |
|
884 |
|
885 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); |
|
886 |
|
887 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE); |
|
888 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); |
|
889 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); |
|
890 |
|
891 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); |
|
892 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF); |
|
893 if (!(adapter->flags & FLAG_IS_ICH)) |
|
894 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); |
|
895 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF); |
|
896 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); |
|
897 mask = 0x8003FFFF; |
|
898 switch (mac->type) { |
|
899 case e1000_ich10lan: |
|
900 case e1000_pchlan: |
|
901 case e1000_pch2lan: |
|
902 case e1000_pch_lpt: |
|
903 mask |= (1 << 18); |
|
904 break; |
|
905 default: |
|
906 break; |
|
907 } |
|
908 |
|
909 if (mac->type == e1000_pch_lpt) |
|
910 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >> |
|
911 E1000_FWSM_WLOCK_MAC_SHIFT; |
|
912 |
|
913 for (i = 0; i < mac->rar_entry_count; i++) { |
|
914 if (mac->type == e1000_pch_lpt) { |
|
915 /* Cannot test write-protected SHRAL[n] registers */ |
|
916 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac))) |
|
917 continue; |
|
918 |
|
919 /* SHRAH[9] different than the others */ |
|
920 if (i == 10) |
|
921 mask |= (1 << 30); |
|
922 else |
|
923 mask &= ~(1 << 30); |
|
924 } |
|
925 if (mac->type == e1000_pch2lan) { |
|
926 /* SHRAH[0,1,2] different than previous */ |
|
927 if (i == 7) |
|
928 mask &= 0xFFF4FFFF; |
|
929 /* SHRAH[3] different than SHRAH[0,1,2] */ |
|
930 if (i == 10) |
|
931 mask |= (1 << 30); |
|
932 } |
|
933 |
|
934 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask, |
|
935 0xFFFFFFFF); |
|
936 } |
|
937 |
|
938 for (i = 0; i < mac->mta_reg_count; i++) |
|
939 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); |
|
940 |
|
941 *data = 0; |
|
942 |
|
943 return 0; |
|
944 } |
|
945 |
|
946 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) |
|
947 { |
|
948 u16 temp; |
|
949 u16 checksum = 0; |
|
950 u16 i; |
|
951 |
|
952 *data = 0; |
|
953 /* Read and add up the contents of the EEPROM */ |
|
954 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { |
|
955 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { |
|
956 *data = 1; |
|
957 return *data; |
|
958 } |
|
959 checksum += temp; |
|
960 } |
|
961 |
|
962 /* If Checksum is not Correct return error else test passed */ |
|
963 if ((checksum != (u16)NVM_SUM) && !(*data)) |
|
964 *data = 2; |
|
965 |
|
966 return *data; |
|
967 } |
|
968 |
|
969 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data) |
|
970 { |
|
971 struct net_device *netdev = (struct net_device *)data; |
|
972 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
973 struct e1000_hw *hw = &adapter->hw; |
|
974 |
|
975 adapter->test_icr |= er32(ICR); |
|
976 |
|
977 return IRQ_HANDLED; |
|
978 } |
|
979 |
|
980 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) |
|
981 { |
|
982 struct net_device *netdev = adapter->netdev; |
|
983 struct e1000_hw *hw = &adapter->hw; |
|
984 u32 mask; |
|
985 u32 shared_int = 1; |
|
986 u32 irq = adapter->pdev->irq; |
|
987 int i; |
|
988 int ret_val = 0; |
|
989 int int_mode = E1000E_INT_MODE_LEGACY; |
|
990 |
|
991 *data = 0; |
|
992 |
|
993 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */ |
|
994 if (adapter->int_mode == E1000E_INT_MODE_MSIX) { |
|
995 int_mode = adapter->int_mode; |
|
996 e1000e_reset_interrupt_capability(adapter); |
|
997 adapter->int_mode = E1000E_INT_MODE_LEGACY; |
|
998 e1000e_set_interrupt_capability(adapter); |
|
999 } |
|
1000 /* Hook up test interrupt handler just for this test */ |
|
1001 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, |
|
1002 netdev)) { |
|
1003 shared_int = 0; |
|
1004 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name, |
|
1005 netdev)) { |
|
1006 *data = 1; |
|
1007 ret_val = -1; |
|
1008 goto out; |
|
1009 } |
|
1010 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared")); |
|
1011 |
|
1012 /* Disable all the interrupts */ |
|
1013 ew32(IMC, 0xFFFFFFFF); |
|
1014 e1e_flush(); |
|
1015 usleep_range(10000, 20000); |
|
1016 |
|
1017 /* Test each interrupt */ |
|
1018 for (i = 0; i < 10; i++) { |
|
1019 /* Interrupt to test */ |
|
1020 mask = 1 << i; |
|
1021 |
|
1022 if (adapter->flags & FLAG_IS_ICH) { |
|
1023 switch (mask) { |
|
1024 case E1000_ICR_RXSEQ: |
|
1025 continue; |
|
1026 case 0x00000100: |
|
1027 if (adapter->hw.mac.type == e1000_ich8lan || |
|
1028 adapter->hw.mac.type == e1000_ich9lan) |
|
1029 continue; |
|
1030 break; |
|
1031 default: |
|
1032 break; |
|
1033 } |
|
1034 } |
|
1035 |
|
1036 if (!shared_int) { |
|
1037 /* Disable the interrupt to be reported in |
|
1038 * the cause register and then force the same |
|
1039 * interrupt and see if one gets posted. If |
|
1040 * an interrupt was posted to the bus, the |
|
1041 * test failed. |
|
1042 */ |
|
1043 adapter->test_icr = 0; |
|
1044 ew32(IMC, mask); |
|
1045 ew32(ICS, mask); |
|
1046 e1e_flush(); |
|
1047 usleep_range(10000, 20000); |
|
1048 |
|
1049 if (adapter->test_icr & mask) { |
|
1050 *data = 3; |
|
1051 break; |
|
1052 } |
|
1053 } |
|
1054 |
|
1055 /* Enable the interrupt to be reported in |
|
1056 * the cause register and then force the same |
|
1057 * interrupt and see if one gets posted. If |
|
1058 * an interrupt was not posted to the bus, the |
|
1059 * test failed. |
|
1060 */ |
|
1061 adapter->test_icr = 0; |
|
1062 ew32(IMS, mask); |
|
1063 ew32(ICS, mask); |
|
1064 e1e_flush(); |
|
1065 usleep_range(10000, 20000); |
|
1066 |
|
1067 if (!(adapter->test_icr & mask)) { |
|
1068 *data = 4; |
|
1069 break; |
|
1070 } |
|
1071 |
|
1072 if (!shared_int) { |
|
1073 /* Disable the other interrupts to be reported in |
|
1074 * the cause register and then force the other |
|
1075 * interrupts and see if any get posted. If |
|
1076 * an interrupt was posted to the bus, the |
|
1077 * test failed. |
|
1078 */ |
|
1079 adapter->test_icr = 0; |
|
1080 ew32(IMC, ~mask & 0x00007FFF); |
|
1081 ew32(ICS, ~mask & 0x00007FFF); |
|
1082 e1e_flush(); |
|
1083 usleep_range(10000, 20000); |
|
1084 |
|
1085 if (adapter->test_icr) { |
|
1086 *data = 5; |
|
1087 break; |
|
1088 } |
|
1089 } |
|
1090 } |
|
1091 |
|
1092 /* Disable all the interrupts */ |
|
1093 ew32(IMC, 0xFFFFFFFF); |
|
1094 e1e_flush(); |
|
1095 usleep_range(10000, 20000); |
|
1096 |
|
1097 /* Unhook test interrupt handler */ |
|
1098 free_irq(irq, netdev); |
|
1099 |
|
1100 out: |
|
1101 if (int_mode == E1000E_INT_MODE_MSIX) { |
|
1102 e1000e_reset_interrupt_capability(adapter); |
|
1103 adapter->int_mode = int_mode; |
|
1104 e1000e_set_interrupt_capability(adapter); |
|
1105 } |
|
1106 |
|
1107 return ret_val; |
|
1108 } |
|
1109 |
|
1110 static void e1000_free_desc_rings(struct e1000_adapter *adapter) |
|
1111 { |
|
1112 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1113 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1114 struct pci_dev *pdev = adapter->pdev; |
|
1115 struct e1000_buffer *buffer_info; |
|
1116 int i; |
|
1117 |
|
1118 if (tx_ring->desc && tx_ring->buffer_info) { |
|
1119 for (i = 0; i < tx_ring->count; i++) { |
|
1120 buffer_info = &tx_ring->buffer_info[i]; |
|
1121 |
|
1122 if (buffer_info->dma) |
|
1123 dma_unmap_single(&pdev->dev, |
|
1124 buffer_info->dma, |
|
1125 buffer_info->length, |
|
1126 DMA_TO_DEVICE); |
|
1127 if (buffer_info->skb) |
|
1128 dev_kfree_skb(buffer_info->skb); |
|
1129 } |
|
1130 } |
|
1131 |
|
1132 if (rx_ring->desc && rx_ring->buffer_info) { |
|
1133 for (i = 0; i < rx_ring->count; i++) { |
|
1134 buffer_info = &rx_ring->buffer_info[i]; |
|
1135 |
|
1136 if (buffer_info->dma) |
|
1137 dma_unmap_single(&pdev->dev, |
|
1138 buffer_info->dma, |
|
1139 2048, DMA_FROM_DEVICE); |
|
1140 if (buffer_info->skb) |
|
1141 dev_kfree_skb(buffer_info->skb); |
|
1142 } |
|
1143 } |
|
1144 |
|
1145 if (tx_ring->desc) { |
|
1146 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, |
|
1147 tx_ring->dma); |
|
1148 tx_ring->desc = NULL; |
|
1149 } |
|
1150 if (rx_ring->desc) { |
|
1151 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, |
|
1152 rx_ring->dma); |
|
1153 rx_ring->desc = NULL; |
|
1154 } |
|
1155 |
|
1156 kfree(tx_ring->buffer_info); |
|
1157 tx_ring->buffer_info = NULL; |
|
1158 kfree(rx_ring->buffer_info); |
|
1159 rx_ring->buffer_info = NULL; |
|
1160 } |
|
1161 |
|
1162 static int e1000_setup_desc_rings(struct e1000_adapter *adapter) |
|
1163 { |
|
1164 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1165 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1166 struct pci_dev *pdev = adapter->pdev; |
|
1167 struct e1000_hw *hw = &adapter->hw; |
|
1168 u32 rctl; |
|
1169 int i; |
|
1170 int ret_val; |
|
1171 |
|
1172 /* Setup Tx descriptor ring and Tx buffers */ |
|
1173 |
|
1174 if (!tx_ring->count) |
|
1175 tx_ring->count = E1000_DEFAULT_TXD; |
|
1176 |
|
1177 tx_ring->buffer_info = kcalloc(tx_ring->count, |
|
1178 sizeof(struct e1000_buffer), GFP_KERNEL); |
|
1179 if (!tx_ring->buffer_info) { |
|
1180 ret_val = 1; |
|
1181 goto err_nomem; |
|
1182 } |
|
1183 |
|
1184 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); |
|
1185 tx_ring->size = ALIGN(tx_ring->size, 4096); |
|
1186 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, |
|
1187 &tx_ring->dma, GFP_KERNEL); |
|
1188 if (!tx_ring->desc) { |
|
1189 ret_val = 2; |
|
1190 goto err_nomem; |
|
1191 } |
|
1192 tx_ring->next_to_use = 0; |
|
1193 tx_ring->next_to_clean = 0; |
|
1194 |
|
1195 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF)); |
|
1196 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32)); |
|
1197 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc)); |
|
1198 ew32(TDH(0), 0); |
|
1199 ew32(TDT(0), 0); |
|
1200 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR | |
|
1201 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | |
|
1202 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); |
|
1203 |
|
1204 for (i = 0; i < tx_ring->count; i++) { |
|
1205 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); |
|
1206 struct sk_buff *skb; |
|
1207 unsigned int skb_size = 1024; |
|
1208 |
|
1209 skb = alloc_skb(skb_size, GFP_KERNEL); |
|
1210 if (!skb) { |
|
1211 ret_val = 3; |
|
1212 goto err_nomem; |
|
1213 } |
|
1214 skb_put(skb, skb_size); |
|
1215 tx_ring->buffer_info[i].skb = skb; |
|
1216 tx_ring->buffer_info[i].length = skb->len; |
|
1217 tx_ring->buffer_info[i].dma = |
|
1218 dma_map_single(&pdev->dev, skb->data, skb->len, |
|
1219 DMA_TO_DEVICE); |
|
1220 if (dma_mapping_error(&pdev->dev, |
|
1221 tx_ring->buffer_info[i].dma)) { |
|
1222 ret_val = 4; |
|
1223 goto err_nomem; |
|
1224 } |
|
1225 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); |
|
1226 tx_desc->lower.data = cpu_to_le32(skb->len); |
|
1227 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | |
|
1228 E1000_TXD_CMD_IFCS | |
|
1229 E1000_TXD_CMD_RS); |
|
1230 tx_desc->upper.data = 0; |
|
1231 } |
|
1232 |
|
1233 /* Setup Rx descriptor ring and Rx buffers */ |
|
1234 |
|
1235 if (!rx_ring->count) |
|
1236 rx_ring->count = E1000_DEFAULT_RXD; |
|
1237 |
|
1238 rx_ring->buffer_info = kcalloc(rx_ring->count, |
|
1239 sizeof(struct e1000_buffer), GFP_KERNEL); |
|
1240 if (!rx_ring->buffer_info) { |
|
1241 ret_val = 5; |
|
1242 goto err_nomem; |
|
1243 } |
|
1244 |
|
1245 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended); |
|
1246 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, |
|
1247 &rx_ring->dma, GFP_KERNEL); |
|
1248 if (!rx_ring->desc) { |
|
1249 ret_val = 6; |
|
1250 goto err_nomem; |
|
1251 } |
|
1252 rx_ring->next_to_use = 0; |
|
1253 rx_ring->next_to_clean = 0; |
|
1254 |
|
1255 rctl = er32(RCTL); |
|
1256 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX)) |
|
1257 ew32(RCTL, rctl & ~E1000_RCTL_EN); |
|
1258 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF)); |
|
1259 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32)); |
|
1260 ew32(RDLEN(0), rx_ring->size); |
|
1261 ew32(RDH(0), 0); |
|
1262 ew32(RDT(0), 0); |
|
1263 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | |
|
1264 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | |
|
1265 E1000_RCTL_SBP | E1000_RCTL_SECRC | |
|
1266 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | |
|
1267 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); |
|
1268 ew32(RCTL, rctl); |
|
1269 |
|
1270 for (i = 0; i < rx_ring->count; i++) { |
|
1271 union e1000_rx_desc_extended *rx_desc; |
|
1272 struct sk_buff *skb; |
|
1273 |
|
1274 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); |
|
1275 if (!skb) { |
|
1276 ret_val = 7; |
|
1277 goto err_nomem; |
|
1278 } |
|
1279 skb_reserve(skb, NET_IP_ALIGN); |
|
1280 rx_ring->buffer_info[i].skb = skb; |
|
1281 rx_ring->buffer_info[i].dma = |
|
1282 dma_map_single(&pdev->dev, skb->data, 2048, |
|
1283 DMA_FROM_DEVICE); |
|
1284 if (dma_mapping_error(&pdev->dev, |
|
1285 rx_ring->buffer_info[i].dma)) { |
|
1286 ret_val = 8; |
|
1287 goto err_nomem; |
|
1288 } |
|
1289 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i); |
|
1290 rx_desc->read.buffer_addr = |
|
1291 cpu_to_le64(rx_ring->buffer_info[i].dma); |
|
1292 memset(skb->data, 0x00, skb->len); |
|
1293 } |
|
1294 |
|
1295 return 0; |
|
1296 |
|
1297 err_nomem: |
|
1298 e1000_free_desc_rings(adapter); |
|
1299 return ret_val; |
|
1300 } |
|
1301 |
|
1302 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) |
|
1303 { |
|
1304 /* Write out to PHY registers 29 and 30 to disable the Receiver. */ |
|
1305 e1e_wphy(&adapter->hw, 29, 0x001F); |
|
1306 e1e_wphy(&adapter->hw, 30, 0x8FFC); |
|
1307 e1e_wphy(&adapter->hw, 29, 0x001A); |
|
1308 e1e_wphy(&adapter->hw, 30, 0x8FF0); |
|
1309 } |
|
1310 |
|
1311 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) |
|
1312 { |
|
1313 struct e1000_hw *hw = &adapter->hw; |
|
1314 u32 ctrl_reg = 0; |
|
1315 u16 phy_reg = 0; |
|
1316 s32 ret_val = 0; |
|
1317 |
|
1318 hw->mac.autoneg = 0; |
|
1319 |
|
1320 if (hw->phy.type == e1000_phy_ife) { |
|
1321 /* force 100, set loopback */ |
|
1322 e1e_wphy(hw, MII_BMCR, 0x6100); |
|
1323 |
|
1324 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1325 ctrl_reg = er32(CTRL); |
|
1326 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1327 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1328 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1329 E1000_CTRL_SPD_100 |/* Force Speed to 100 */ |
|
1330 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1331 |
|
1332 ew32(CTRL, ctrl_reg); |
|
1333 e1e_flush(); |
|
1334 usleep_range(500, 1000); |
|
1335 |
|
1336 return 0; |
|
1337 } |
|
1338 |
|
1339 /* Specific PHY configuration for loopback */ |
|
1340 switch (hw->phy.type) { |
|
1341 case e1000_phy_m88: |
|
1342 /* Auto-MDI/MDIX Off */ |
|
1343 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); |
|
1344 /* reset to update Auto-MDI/MDIX */ |
|
1345 e1e_wphy(hw, MII_BMCR, 0x9140); |
|
1346 /* autoneg off */ |
|
1347 e1e_wphy(hw, MII_BMCR, 0x8140); |
|
1348 break; |
|
1349 case e1000_phy_gg82563: |
|
1350 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); |
|
1351 break; |
|
1352 case e1000_phy_bm: |
|
1353 /* Set Default MAC Interface speed to 1GB */ |
|
1354 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg); |
|
1355 phy_reg &= ~0x0007; |
|
1356 phy_reg |= 0x006; |
|
1357 e1e_wphy(hw, PHY_REG(2, 21), phy_reg); |
|
1358 /* Assert SW reset for above settings to take effect */ |
|
1359 hw->phy.ops.commit(hw); |
|
1360 usleep_range(1000, 2000); |
|
1361 /* Force Full Duplex */ |
|
1362 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1363 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C); |
|
1364 /* Set Link Up (in force link) */ |
|
1365 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg); |
|
1366 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040); |
|
1367 /* Force Link */ |
|
1368 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg); |
|
1369 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040); |
|
1370 /* Set Early Link Enable */ |
|
1371 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); |
|
1372 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400); |
|
1373 break; |
|
1374 case e1000_phy_82577: |
|
1375 case e1000_phy_82578: |
|
1376 /* Workaround: K1 must be disabled for stable 1Gbps operation */ |
|
1377 ret_val = hw->phy.ops.acquire(hw); |
|
1378 if (ret_val) { |
|
1379 e_err("Cannot setup 1Gbps loopback.\n"); |
|
1380 return ret_val; |
|
1381 } |
|
1382 e1000_configure_k1_ich8lan(hw, false); |
|
1383 hw->phy.ops.release(hw); |
|
1384 break; |
|
1385 case e1000_phy_82579: |
|
1386 /* Disable PHY energy detect power down */ |
|
1387 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg); |
|
1388 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3)); |
|
1389 /* Disable full chip energy detect */ |
|
1390 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg); |
|
1391 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1); |
|
1392 /* Enable loopback on the PHY */ |
|
1393 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001); |
|
1394 break; |
|
1395 default: |
|
1396 break; |
|
1397 } |
|
1398 |
|
1399 /* force 1000, set loopback */ |
|
1400 e1e_wphy(hw, MII_BMCR, 0x4140); |
|
1401 msleep(250); |
|
1402 |
|
1403 /* Now set up the MAC to the same speed/duplex as the PHY. */ |
|
1404 ctrl_reg = er32(CTRL); |
|
1405 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ |
|
1406 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ |
|
1407 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ |
|
1408 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ |
|
1409 E1000_CTRL_FD); /* Force Duplex to FULL */ |
|
1410 |
|
1411 if (adapter->flags & FLAG_IS_ICH) |
|
1412 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */ |
|
1413 |
|
1414 if (hw->phy.media_type == e1000_media_type_copper && |
|
1415 hw->phy.type == e1000_phy_m88) { |
|
1416 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ |
|
1417 } else { |
|
1418 /* Set the ILOS bit on the fiber Nic if half duplex link is |
|
1419 * detected. |
|
1420 */ |
|
1421 if ((er32(STATUS) & E1000_STATUS_FD) == 0) |
|
1422 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); |
|
1423 } |
|
1424 |
|
1425 ew32(CTRL, ctrl_reg); |
|
1426 |
|
1427 /* Disable the receiver on the PHY so when a cable is plugged in, the |
|
1428 * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
|
1429 */ |
|
1430 if (hw->phy.type == e1000_phy_m88) |
|
1431 e1000_phy_disable_receiver(adapter); |
|
1432 |
|
1433 usleep_range(500, 1000); |
|
1434 |
|
1435 return 0; |
|
1436 } |
|
1437 |
|
1438 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) |
|
1439 { |
|
1440 struct e1000_hw *hw = &adapter->hw; |
|
1441 u32 ctrl = er32(CTRL); |
|
1442 int link; |
|
1443 |
|
1444 /* special requirements for 82571/82572 fiber adapters */ |
|
1445 |
|
1446 /* jump through hoops to make sure link is up because serdes |
|
1447 * link is hardwired up |
|
1448 */ |
|
1449 ctrl |= E1000_CTRL_SLU; |
|
1450 ew32(CTRL, ctrl); |
|
1451 |
|
1452 /* disable autoneg */ |
|
1453 ctrl = er32(TXCW); |
|
1454 ctrl &= ~(1 << 31); |
|
1455 ew32(TXCW, ctrl); |
|
1456 |
|
1457 link = (er32(STATUS) & E1000_STATUS_LU); |
|
1458 |
|
1459 if (!link) { |
|
1460 /* set invert loss of signal */ |
|
1461 ctrl = er32(CTRL); |
|
1462 ctrl |= E1000_CTRL_ILOS; |
|
1463 ew32(CTRL, ctrl); |
|
1464 } |
|
1465 |
|
1466 /* special write to serdes control register to enable SerDes analog |
|
1467 * loopback |
|
1468 */ |
|
1469 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK); |
|
1470 e1e_flush(); |
|
1471 usleep_range(10000, 20000); |
|
1472 |
|
1473 return 0; |
|
1474 } |
|
1475 |
|
1476 /* only call this for fiber/serdes connections to es2lan */ |
|
1477 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) |
|
1478 { |
|
1479 struct e1000_hw *hw = &adapter->hw; |
|
1480 u32 ctrlext = er32(CTRL_EXT); |
|
1481 u32 ctrl = er32(CTRL); |
|
1482 |
|
1483 /* save CTRL_EXT to restore later, reuse an empty variable (unused |
|
1484 * on mac_type 80003es2lan) |
|
1485 */ |
|
1486 adapter->tx_fifo_head = ctrlext; |
|
1487 |
|
1488 /* clear the serdes mode bits, putting the device into mac loopback */ |
|
1489 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; |
|
1490 ew32(CTRL_EXT, ctrlext); |
|
1491 |
|
1492 /* force speed to 1000/FD, link up */ |
|
1493 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); |
|
1494 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | |
|
1495 E1000_CTRL_SPD_1000 | E1000_CTRL_FD); |
|
1496 ew32(CTRL, ctrl); |
|
1497 |
|
1498 /* set mac loopback */ |
|
1499 ctrl = er32(RCTL); |
|
1500 ctrl |= E1000_RCTL_LBM_MAC; |
|
1501 ew32(RCTL, ctrl); |
|
1502 |
|
1503 /* set testing mode parameters (no need to reset later) */ |
|
1504 #define KMRNCTRLSTA_OPMODE (0x1F << 16) |
|
1505 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 |
|
1506 ew32(KMRNCTRLSTA, |
|
1507 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); |
|
1508 |
|
1509 return 0; |
|
1510 } |
|
1511 |
|
1512 static int e1000_setup_loopback_test(struct e1000_adapter *adapter) |
|
1513 { |
|
1514 struct e1000_hw *hw = &adapter->hw; |
|
1515 u32 rctl; |
|
1516 |
|
1517 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1518 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1519 switch (hw->mac.type) { |
|
1520 case e1000_80003es2lan: |
|
1521 return e1000_set_es2lan_mac_loopback(adapter); |
|
1522 break; |
|
1523 case e1000_82571: |
|
1524 case e1000_82572: |
|
1525 return e1000_set_82571_fiber_loopback(adapter); |
|
1526 break; |
|
1527 default: |
|
1528 rctl = er32(RCTL); |
|
1529 rctl |= E1000_RCTL_LBM_TCVR; |
|
1530 ew32(RCTL, rctl); |
|
1531 return 0; |
|
1532 } |
|
1533 } else if (hw->phy.media_type == e1000_media_type_copper) { |
|
1534 return e1000_integrated_phy_loopback(adapter); |
|
1535 } |
|
1536 |
|
1537 return 7; |
|
1538 } |
|
1539 |
|
1540 static void e1000_loopback_cleanup(struct e1000_adapter *adapter) |
|
1541 { |
|
1542 struct e1000_hw *hw = &adapter->hw; |
|
1543 u32 rctl; |
|
1544 u16 phy_reg; |
|
1545 |
|
1546 rctl = er32(RCTL); |
|
1547 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); |
|
1548 ew32(RCTL, rctl); |
|
1549 |
|
1550 switch (hw->mac.type) { |
|
1551 case e1000_80003es2lan: |
|
1552 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1553 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1554 /* restore CTRL_EXT, stealing space from tx_fifo_head */ |
|
1555 ew32(CTRL_EXT, adapter->tx_fifo_head); |
|
1556 adapter->tx_fifo_head = 0; |
|
1557 } |
|
1558 /* fall through */ |
|
1559 case e1000_82571: |
|
1560 case e1000_82572: |
|
1561 if (hw->phy.media_type == e1000_media_type_fiber || |
|
1562 hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1563 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK); |
|
1564 e1e_flush(); |
|
1565 usleep_range(10000, 20000); |
|
1566 break; |
|
1567 } |
|
1568 /* Fall Through */ |
|
1569 default: |
|
1570 hw->mac.autoneg = 1; |
|
1571 if (hw->phy.type == e1000_phy_gg82563) |
|
1572 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); |
|
1573 e1e_rphy(hw, MII_BMCR, &phy_reg); |
|
1574 if (phy_reg & BMCR_LOOPBACK) { |
|
1575 phy_reg &= ~BMCR_LOOPBACK; |
|
1576 e1e_wphy(hw, MII_BMCR, phy_reg); |
|
1577 if (hw->phy.ops.commit) |
|
1578 hw->phy.ops.commit(hw); |
|
1579 } |
|
1580 break; |
|
1581 } |
|
1582 } |
|
1583 |
|
1584 static void e1000_create_lbtest_frame(struct sk_buff *skb, |
|
1585 unsigned int frame_size) |
|
1586 { |
|
1587 memset(skb->data, 0xFF, frame_size); |
|
1588 frame_size &= ~1; |
|
1589 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); |
|
1590 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); |
|
1591 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); |
|
1592 } |
|
1593 |
|
1594 static int e1000_check_lbtest_frame(struct sk_buff *skb, |
|
1595 unsigned int frame_size) |
|
1596 { |
|
1597 frame_size &= ~1; |
|
1598 if (*(skb->data + 3) == 0xFF) |
|
1599 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && |
|
1600 (*(skb->data + frame_size / 2 + 12) == 0xAF)) |
|
1601 return 0; |
|
1602 return 13; |
|
1603 } |
|
1604 |
|
1605 static int e1000_run_loopback_test(struct e1000_adapter *adapter) |
|
1606 { |
|
1607 struct e1000_ring *tx_ring = &adapter->test_tx_ring; |
|
1608 struct e1000_ring *rx_ring = &adapter->test_rx_ring; |
|
1609 struct pci_dev *pdev = adapter->pdev; |
|
1610 struct e1000_hw *hw = &adapter->hw; |
|
1611 struct e1000_buffer *buffer_info; |
|
1612 int i, j, k, l; |
|
1613 int lc; |
|
1614 int good_cnt; |
|
1615 int ret_val = 0; |
|
1616 unsigned long time; |
|
1617 |
|
1618 ew32(RDT(0), rx_ring->count - 1); |
|
1619 |
|
1620 /* Calculate the loop count based on the largest descriptor ring |
|
1621 * The idea is to wrap the largest ring a number of times using 64 |
|
1622 * send/receive pairs during each loop |
|
1623 */ |
|
1624 |
|
1625 if (rx_ring->count <= tx_ring->count) |
|
1626 lc = ((tx_ring->count / 64) * 2) + 1; |
|
1627 else |
|
1628 lc = ((rx_ring->count / 64) * 2) + 1; |
|
1629 |
|
1630 k = 0; |
|
1631 l = 0; |
|
1632 /* loop count loop */ |
|
1633 for (j = 0; j <= lc; j++) { |
|
1634 /* send the packets */ |
|
1635 for (i = 0; i < 64; i++) { |
|
1636 buffer_info = &tx_ring->buffer_info[k]; |
|
1637 |
|
1638 e1000_create_lbtest_frame(buffer_info->skb, 1024); |
|
1639 dma_sync_single_for_device(&pdev->dev, |
|
1640 buffer_info->dma, |
|
1641 buffer_info->length, |
|
1642 DMA_TO_DEVICE); |
|
1643 k++; |
|
1644 if (k == tx_ring->count) |
|
1645 k = 0; |
|
1646 } |
|
1647 ew32(TDT(0), k); |
|
1648 e1e_flush(); |
|
1649 msleep(200); |
|
1650 time = jiffies; /* set the start time for the receive */ |
|
1651 good_cnt = 0; |
|
1652 /* receive the sent packets */ |
|
1653 do { |
|
1654 buffer_info = &rx_ring->buffer_info[l]; |
|
1655 |
|
1656 dma_sync_single_for_cpu(&pdev->dev, |
|
1657 buffer_info->dma, 2048, |
|
1658 DMA_FROM_DEVICE); |
|
1659 |
|
1660 ret_val = e1000_check_lbtest_frame(buffer_info->skb, |
|
1661 1024); |
|
1662 if (!ret_val) |
|
1663 good_cnt++; |
|
1664 l++; |
|
1665 if (l == rx_ring->count) |
|
1666 l = 0; |
|
1667 /* time + 20 msecs (200 msecs on 2.4) is more than |
|
1668 * enough time to complete the receives, if it's |
|
1669 * exceeded, break and error off |
|
1670 */ |
|
1671 } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); |
|
1672 if (good_cnt != 64) { |
|
1673 ret_val = 13; /* ret_val is the same as mis-compare */ |
|
1674 break; |
|
1675 } |
|
1676 if (time_after(jiffies, time + 20)) { |
|
1677 ret_val = 14; /* error code for time out error */ |
|
1678 break; |
|
1679 } |
|
1680 } |
|
1681 return ret_val; |
|
1682 } |
|
1683 |
|
1684 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) |
|
1685 { |
|
1686 struct e1000_hw *hw = &adapter->hw; |
|
1687 |
|
1688 /* PHY loopback cannot be performed if SoL/IDER sessions are active */ |
|
1689 if (hw->phy.ops.check_reset_block && |
|
1690 hw->phy.ops.check_reset_block(hw)) { |
|
1691 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n"); |
|
1692 *data = 0; |
|
1693 goto out; |
|
1694 } |
|
1695 |
|
1696 *data = e1000_setup_desc_rings(adapter); |
|
1697 if (*data) |
|
1698 goto out; |
|
1699 |
|
1700 *data = e1000_setup_loopback_test(adapter); |
|
1701 if (*data) |
|
1702 goto err_loopback; |
|
1703 |
|
1704 *data = e1000_run_loopback_test(adapter); |
|
1705 e1000_loopback_cleanup(adapter); |
|
1706 |
|
1707 err_loopback: |
|
1708 e1000_free_desc_rings(adapter); |
|
1709 out: |
|
1710 return *data; |
|
1711 } |
|
1712 |
|
1713 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) |
|
1714 { |
|
1715 struct e1000_hw *hw = &adapter->hw; |
|
1716 |
|
1717 *data = 0; |
|
1718 if (hw->phy.media_type == e1000_media_type_internal_serdes) { |
|
1719 int i = 0; |
|
1720 hw->mac.serdes_has_link = false; |
|
1721 |
|
1722 /* On some blade server designs, link establishment |
|
1723 * could take as long as 2-3 minutes |
|
1724 */ |
|
1725 do { |
|
1726 hw->mac.ops.check_for_link(hw); |
|
1727 if (hw->mac.serdes_has_link) |
|
1728 return *data; |
|
1729 msleep(20); |
|
1730 } while (i++ < 3750); |
|
1731 |
|
1732 *data = 1; |
|
1733 } else { |
|
1734 hw->mac.ops.check_for_link(hw); |
|
1735 if (hw->mac.autoneg) |
|
1736 /* On some Phy/switch combinations, link establishment |
|
1737 * can take a few seconds more than expected. |
|
1738 */ |
|
1739 msleep_interruptible(5000); |
|
1740 |
|
1741 if (!(er32(STATUS) & E1000_STATUS_LU)) |
|
1742 *data = 1; |
|
1743 } |
|
1744 return *data; |
|
1745 } |
|
1746 |
|
1747 static int e1000e_get_sset_count(struct net_device __always_unused *netdev, |
|
1748 int sset) |
|
1749 { |
|
1750 switch (sset) { |
|
1751 case ETH_SS_TEST: |
|
1752 return E1000_TEST_LEN; |
|
1753 case ETH_SS_STATS: |
|
1754 return E1000_STATS_LEN; |
|
1755 default: |
|
1756 return -EOPNOTSUPP; |
|
1757 } |
|
1758 } |
|
1759 |
|
1760 static void e1000_diag_test(struct net_device *netdev, |
|
1761 struct ethtool_test *eth_test, u64 *data) |
|
1762 { |
|
1763 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1764 u16 autoneg_advertised; |
|
1765 u8 forced_speed_duplex; |
|
1766 u8 autoneg; |
|
1767 bool if_running = netif_running(netdev); |
|
1768 |
|
1769 pm_runtime_get_sync(netdev->dev.parent); |
|
1770 |
|
1771 set_bit(__E1000_TESTING, &adapter->state); |
|
1772 |
|
1773 if (!if_running) { |
|
1774 /* Get control of and reset hardware */ |
|
1775 if (adapter->flags & FLAG_HAS_AMT) |
|
1776 e1000e_get_hw_control(adapter); |
|
1777 |
|
1778 e1000e_power_up_phy(adapter); |
|
1779 |
|
1780 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1781 e1000e_reset(adapter); |
|
1782 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1783 } |
|
1784 |
|
1785 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { |
|
1786 /* Offline tests */ |
|
1787 |
|
1788 /* save speed, duplex, autoneg settings */ |
|
1789 autoneg_advertised = adapter->hw.phy.autoneg_advertised; |
|
1790 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; |
|
1791 autoneg = adapter->hw.mac.autoneg; |
|
1792 |
|
1793 e_info("offline testing starting\n"); |
|
1794 |
|
1795 if (if_running) |
|
1796 /* indicate we're in test mode */ |
|
1797 dev_close(netdev); |
|
1798 |
|
1799 if (e1000_reg_test(adapter, &data[0])) |
|
1800 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1801 |
|
1802 e1000e_reset(adapter); |
|
1803 if (e1000_eeprom_test(adapter, &data[1])) |
|
1804 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1805 |
|
1806 e1000e_reset(adapter); |
|
1807 if (e1000_intr_test(adapter, &data[2])) |
|
1808 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1809 |
|
1810 e1000e_reset(adapter); |
|
1811 if (e1000_loopback_test(adapter, &data[3])) |
|
1812 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1813 |
|
1814 /* force this routine to wait until autoneg complete/timeout */ |
|
1815 adapter->hw.phy.autoneg_wait_to_complete = 1; |
|
1816 e1000e_reset(adapter); |
|
1817 adapter->hw.phy.autoneg_wait_to_complete = 0; |
|
1818 |
|
1819 if (e1000_link_test(adapter, &data[4])) |
|
1820 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1821 |
|
1822 /* restore speed, duplex, autoneg settings */ |
|
1823 adapter->hw.phy.autoneg_advertised = autoneg_advertised; |
|
1824 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; |
|
1825 adapter->hw.mac.autoneg = autoneg; |
|
1826 e1000e_reset(adapter); |
|
1827 |
|
1828 clear_bit(__E1000_TESTING, &adapter->state); |
|
1829 if (if_running) |
|
1830 dev_open(netdev); |
|
1831 } else { |
|
1832 /* Online tests */ |
|
1833 |
|
1834 e_info("online testing starting\n"); |
|
1835 |
|
1836 /* register, eeprom, intr and loopback tests not run online */ |
|
1837 data[0] = 0; |
|
1838 data[1] = 0; |
|
1839 data[2] = 0; |
|
1840 data[3] = 0; |
|
1841 |
|
1842 if (e1000_link_test(adapter, &data[4])) |
|
1843 eth_test->flags |= ETH_TEST_FL_FAILED; |
|
1844 |
|
1845 clear_bit(__E1000_TESTING, &adapter->state); |
|
1846 } |
|
1847 |
|
1848 if (!if_running) { |
|
1849 e1000e_reset(adapter); |
|
1850 |
|
1851 if (adapter->flags & FLAG_HAS_AMT) |
|
1852 e1000e_release_hw_control(adapter); |
|
1853 } |
|
1854 |
|
1855 msleep_interruptible(4 * 1000); |
|
1856 |
|
1857 pm_runtime_put_sync(netdev->dev.parent); |
|
1858 } |
|
1859 |
|
1860 static void e1000_get_wol(struct net_device *netdev, |
|
1861 struct ethtool_wolinfo *wol) |
|
1862 { |
|
1863 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1864 |
|
1865 wol->supported = 0; |
|
1866 wol->wolopts = 0; |
|
1867 |
|
1868 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1869 !device_can_wakeup(&adapter->pdev->dev)) |
|
1870 return; |
|
1871 |
|
1872 wol->supported = WAKE_UCAST | WAKE_MCAST | |
|
1873 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY; |
|
1874 |
|
1875 /* apply any specific unsupported masks here */ |
|
1876 if (adapter->flags & FLAG_NO_WAKE_UCAST) { |
|
1877 wol->supported &= ~WAKE_UCAST; |
|
1878 |
|
1879 if (adapter->wol & E1000_WUFC_EX) |
|
1880 e_err("Interface does not support directed (unicast) frame wake-up packets\n"); |
|
1881 } |
|
1882 |
|
1883 if (adapter->wol & E1000_WUFC_EX) |
|
1884 wol->wolopts |= WAKE_UCAST; |
|
1885 if (adapter->wol & E1000_WUFC_MC) |
|
1886 wol->wolopts |= WAKE_MCAST; |
|
1887 if (adapter->wol & E1000_WUFC_BC) |
|
1888 wol->wolopts |= WAKE_BCAST; |
|
1889 if (adapter->wol & E1000_WUFC_MAG) |
|
1890 wol->wolopts |= WAKE_MAGIC; |
|
1891 if (adapter->wol & E1000_WUFC_LNKC) |
|
1892 wol->wolopts |= WAKE_PHY; |
|
1893 } |
|
1894 |
|
1895 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
|
1896 { |
|
1897 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1898 |
|
1899 if (!(adapter->flags & FLAG_HAS_WOL) || |
|
1900 !device_can_wakeup(&adapter->pdev->dev) || |
|
1901 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | |
|
1902 WAKE_MAGIC | WAKE_PHY))) |
|
1903 return -EOPNOTSUPP; |
|
1904 |
|
1905 /* these settings will always override what we currently have */ |
|
1906 adapter->wol = 0; |
|
1907 |
|
1908 if (wol->wolopts & WAKE_UCAST) |
|
1909 adapter->wol |= E1000_WUFC_EX; |
|
1910 if (wol->wolopts & WAKE_MCAST) |
|
1911 adapter->wol |= E1000_WUFC_MC; |
|
1912 if (wol->wolopts & WAKE_BCAST) |
|
1913 adapter->wol |= E1000_WUFC_BC; |
|
1914 if (wol->wolopts & WAKE_MAGIC) |
|
1915 adapter->wol |= E1000_WUFC_MAG; |
|
1916 if (wol->wolopts & WAKE_PHY) |
|
1917 adapter->wol |= E1000_WUFC_LNKC; |
|
1918 |
|
1919 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); |
|
1920 |
|
1921 return 0; |
|
1922 } |
|
1923 |
|
1924 static int e1000_set_phys_id(struct net_device *netdev, |
|
1925 enum ethtool_phys_id_state state) |
|
1926 { |
|
1927 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1928 struct e1000_hw *hw = &adapter->hw; |
|
1929 |
|
1930 switch (state) { |
|
1931 case ETHTOOL_ID_ACTIVE: |
|
1932 pm_runtime_get_sync(netdev->dev.parent); |
|
1933 |
|
1934 if (!hw->mac.ops.blink_led) |
|
1935 return 2; /* cycle on/off twice per second */ |
|
1936 |
|
1937 hw->mac.ops.blink_led(hw); |
|
1938 break; |
|
1939 |
|
1940 case ETHTOOL_ID_INACTIVE: |
|
1941 if (hw->phy.type == e1000_phy_ife) |
|
1942 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0); |
|
1943 hw->mac.ops.led_off(hw); |
|
1944 hw->mac.ops.cleanup_led(hw); |
|
1945 pm_runtime_put_sync(netdev->dev.parent); |
|
1946 break; |
|
1947 |
|
1948 case ETHTOOL_ID_ON: |
|
1949 hw->mac.ops.led_on(hw); |
|
1950 break; |
|
1951 |
|
1952 case ETHTOOL_ID_OFF: |
|
1953 hw->mac.ops.led_off(hw); |
|
1954 break; |
|
1955 } |
|
1956 |
|
1957 return 0; |
|
1958 } |
|
1959 |
|
1960 static int e1000_get_coalesce(struct net_device *netdev, |
|
1961 struct ethtool_coalesce *ec) |
|
1962 { |
|
1963 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1964 |
|
1965 if (adapter->itr_setting <= 4) |
|
1966 ec->rx_coalesce_usecs = adapter->itr_setting; |
|
1967 else |
|
1968 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; |
|
1969 |
|
1970 return 0; |
|
1971 } |
|
1972 |
|
1973 static int e1000_set_coalesce(struct net_device *netdev, |
|
1974 struct ethtool_coalesce *ec) |
|
1975 { |
|
1976 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
1977 |
|
1978 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || |
|
1979 ((ec->rx_coalesce_usecs > 4) && |
|
1980 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || |
|
1981 (ec->rx_coalesce_usecs == 2)) |
|
1982 return -EINVAL; |
|
1983 |
|
1984 if (ec->rx_coalesce_usecs == 4) { |
|
1985 adapter->itr_setting = 4; |
|
1986 adapter->itr = adapter->itr_setting; |
|
1987 } else if (ec->rx_coalesce_usecs <= 3) { |
|
1988 adapter->itr = 20000; |
|
1989 adapter->itr_setting = ec->rx_coalesce_usecs; |
|
1990 } else { |
|
1991 adapter->itr = (1000000 / ec->rx_coalesce_usecs); |
|
1992 adapter->itr_setting = adapter->itr & ~3; |
|
1993 } |
|
1994 |
|
1995 pm_runtime_get_sync(netdev->dev.parent); |
|
1996 |
|
1997 if (adapter->itr_setting != 0) |
|
1998 e1000e_write_itr(adapter, adapter->itr); |
|
1999 else |
|
2000 e1000e_write_itr(adapter, 0); |
|
2001 |
|
2002 pm_runtime_put_sync(netdev->dev.parent); |
|
2003 |
|
2004 return 0; |
|
2005 } |
|
2006 |
|
2007 static int e1000_nway_reset(struct net_device *netdev) |
|
2008 { |
|
2009 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
2010 |
|
2011 if (!netif_running(netdev)) |
|
2012 return -EAGAIN; |
|
2013 |
|
2014 if (!adapter->hw.mac.autoneg) |
|
2015 return -EINVAL; |
|
2016 |
|
2017 pm_runtime_get_sync(netdev->dev.parent); |
|
2018 e1000e_reinit_locked(adapter); |
|
2019 pm_runtime_put_sync(netdev->dev.parent); |
|
2020 |
|
2021 return 0; |
|
2022 } |
|
2023 |
|
2024 static void e1000_get_ethtool_stats(struct net_device *netdev, |
|
2025 struct ethtool_stats __always_unused *stats, |
|
2026 u64 *data) |
|
2027 { |
|
2028 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
2029 struct rtnl_link_stats64 net_stats; |
|
2030 int i; |
|
2031 char *p = NULL; |
|
2032 |
|
2033 pm_runtime_get_sync(netdev->dev.parent); |
|
2034 |
|
2035 e1000e_get_stats64(netdev, &net_stats); |
|
2036 |
|
2037 pm_runtime_put_sync(netdev->dev.parent); |
|
2038 |
|
2039 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
2040 switch (e1000_gstrings_stats[i].type) { |
|
2041 case NETDEV_STATS: |
|
2042 p = (char *)&net_stats + |
|
2043 e1000_gstrings_stats[i].stat_offset; |
|
2044 break; |
|
2045 case E1000_STATS: |
|
2046 p = (char *)adapter + |
|
2047 e1000_gstrings_stats[i].stat_offset; |
|
2048 break; |
|
2049 default: |
|
2050 data[i] = 0; |
|
2051 continue; |
|
2052 } |
|
2053 |
|
2054 data[i] = (e1000_gstrings_stats[i].sizeof_stat == |
|
2055 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; |
|
2056 } |
|
2057 } |
|
2058 |
|
2059 static void e1000_get_strings(struct net_device __always_unused *netdev, |
|
2060 u32 stringset, u8 *data) |
|
2061 { |
|
2062 u8 *p = data; |
|
2063 int i; |
|
2064 |
|
2065 switch (stringset) { |
|
2066 case ETH_SS_TEST: |
|
2067 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test)); |
|
2068 break; |
|
2069 case ETH_SS_STATS: |
|
2070 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { |
|
2071 memcpy(p, e1000_gstrings_stats[i].stat_string, |
|
2072 ETH_GSTRING_LEN); |
|
2073 p += ETH_GSTRING_LEN; |
|
2074 } |
|
2075 break; |
|
2076 } |
|
2077 } |
|
2078 |
|
2079 static int e1000_get_rxnfc(struct net_device *netdev, |
|
2080 struct ethtool_rxnfc *info, |
|
2081 u32 __always_unused *rule_locs) |
|
2082 { |
|
2083 info->data = 0; |
|
2084 |
|
2085 switch (info->cmd) { |
|
2086 case ETHTOOL_GRXFH: { |
|
2087 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
2088 struct e1000_hw *hw = &adapter->hw; |
|
2089 u32 mrqc; |
|
2090 |
|
2091 pm_runtime_get_sync(netdev->dev.parent); |
|
2092 mrqc = er32(MRQC); |
|
2093 pm_runtime_put_sync(netdev->dev.parent); |
|
2094 |
|
2095 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK)) |
|
2096 return 0; |
|
2097 |
|
2098 switch (info->flow_type) { |
|
2099 case TCP_V4_FLOW: |
|
2100 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP) |
|
2101 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
|
2102 /* fall through */ |
|
2103 case UDP_V4_FLOW: |
|
2104 case SCTP_V4_FLOW: |
|
2105 case AH_ESP_V4_FLOW: |
|
2106 case IPV4_FLOW: |
|
2107 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4) |
|
2108 info->data |= RXH_IP_SRC | RXH_IP_DST; |
|
2109 break; |
|
2110 case TCP_V6_FLOW: |
|
2111 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP) |
|
2112 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
|
2113 /* fall through */ |
|
2114 case UDP_V6_FLOW: |
|
2115 case SCTP_V6_FLOW: |
|
2116 case AH_ESP_V6_FLOW: |
|
2117 case IPV6_FLOW: |
|
2118 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6) |
|
2119 info->data |= RXH_IP_SRC | RXH_IP_DST; |
|
2120 break; |
|
2121 default: |
|
2122 break; |
|
2123 } |
|
2124 return 0; |
|
2125 } |
|
2126 default: |
|
2127 return -EOPNOTSUPP; |
|
2128 } |
|
2129 } |
|
2130 |
|
2131 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata) |
|
2132 { |
|
2133 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
2134 struct e1000_hw *hw = &adapter->hw; |
|
2135 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data; |
|
2136 u32 ret_val; |
|
2137 |
|
2138 if (!(adapter->flags2 & FLAG2_HAS_EEE)) |
|
2139 return -EOPNOTSUPP; |
|
2140 |
|
2141 switch (hw->phy.type) { |
|
2142 case e1000_phy_82579: |
|
2143 cap_addr = I82579_EEE_CAPABILITY; |
|
2144 lpa_addr = I82579_EEE_LP_ABILITY; |
|
2145 pcs_stat_addr = I82579_EEE_PCS_STATUS; |
|
2146 break; |
|
2147 case e1000_phy_i217: |
|
2148 cap_addr = I217_EEE_CAPABILITY; |
|
2149 lpa_addr = I217_EEE_LP_ABILITY; |
|
2150 pcs_stat_addr = I217_EEE_PCS_STATUS; |
|
2151 break; |
|
2152 default: |
|
2153 return -EOPNOTSUPP; |
|
2154 } |
|
2155 |
|
2156 pm_runtime_get_sync(netdev->dev.parent); |
|
2157 |
|
2158 ret_val = hw->phy.ops.acquire(hw); |
|
2159 if (ret_val) { |
|
2160 pm_runtime_put_sync(netdev->dev.parent); |
|
2161 return -EBUSY; |
|
2162 } |
|
2163 |
|
2164 /* EEE Capability */ |
|
2165 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data); |
|
2166 if (ret_val) |
|
2167 goto release; |
|
2168 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data); |
|
2169 |
|
2170 /* EEE Advertised */ |
|
2171 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert); |
|
2172 |
|
2173 /* EEE Link Partner Advertised */ |
|
2174 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data); |
|
2175 if (ret_val) |
|
2176 goto release; |
|
2177 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data); |
|
2178 |
|
2179 /* EEE PCS Status */ |
|
2180 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data); |
|
2181 if (ret_val) |
|
2182 goto release; |
|
2183 if (hw->phy.type == e1000_phy_82579) |
|
2184 phy_data <<= 8; |
|
2185 |
|
2186 /* Result of the EEE auto negotiation - there is no register that |
|
2187 * has the status of the EEE negotiation so do a best-guess based |
|
2188 * on whether Tx or Rx LPI indications have been received. |
|
2189 */ |
|
2190 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD)) |
|
2191 edata->eee_active = true; |
|
2192 |
|
2193 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable; |
|
2194 edata->tx_lpi_enabled = true; |
|
2195 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT; |
|
2196 |
|
2197 release: |
|
2198 hw->phy.ops.release(hw); |
|
2199 if (ret_val) |
|
2200 ret_val = -ENODATA; |
|
2201 |
|
2202 pm_runtime_put_sync(netdev->dev.parent); |
|
2203 |
|
2204 return ret_val; |
|
2205 } |
|
2206 |
|
2207 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata) |
|
2208 { |
|
2209 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
2210 struct e1000_hw *hw = &adapter->hw; |
|
2211 struct ethtool_eee eee_curr; |
|
2212 s32 ret_val; |
|
2213 |
|
2214 ret_val = e1000e_get_eee(netdev, &eee_curr); |
|
2215 if (ret_val) |
|
2216 return ret_val; |
|
2217 |
|
2218 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) { |
|
2219 e_err("Setting EEE tx-lpi is not supported\n"); |
|
2220 return -EINVAL; |
|
2221 } |
|
2222 |
|
2223 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) { |
|
2224 e_err("Setting EEE Tx LPI timer is not supported\n"); |
|
2225 return -EINVAL; |
|
2226 } |
|
2227 |
|
2228 if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) { |
|
2229 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n"); |
|
2230 return -EINVAL; |
|
2231 } |
|
2232 |
|
2233 adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised); |
|
2234 |
|
2235 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled; |
|
2236 |
|
2237 pm_runtime_get_sync(netdev->dev.parent); |
|
2238 |
|
2239 /* reset the link */ |
|
2240 if (netif_running(netdev)) |
|
2241 e1000e_reinit_locked(adapter); |
|
2242 else |
|
2243 e1000e_reset(adapter); |
|
2244 |
|
2245 pm_runtime_put_sync(netdev->dev.parent); |
|
2246 |
|
2247 return 0; |
|
2248 } |
|
2249 |
|
2250 static int e1000e_get_ts_info(struct net_device *netdev, |
|
2251 struct ethtool_ts_info *info) |
|
2252 { |
|
2253 struct e1000_adapter *adapter = netdev_priv(netdev); |
|
2254 |
|
2255 ethtool_op_get_ts_info(netdev, info); |
|
2256 |
|
2257 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP)) |
|
2258 return 0; |
|
2259 |
|
2260 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE | |
|
2261 SOF_TIMESTAMPING_RX_HARDWARE | |
|
2262 SOF_TIMESTAMPING_RAW_HARDWARE); |
|
2263 |
|
2264 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); |
|
2265 |
|
2266 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) | |
|
2267 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | |
|
2268 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | |
|
2269 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | |
|
2270 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | |
|
2271 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | |
|
2272 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | |
|
2273 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | |
|
2274 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | |
|
2275 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | |
|
2276 (1 << HWTSTAMP_FILTER_ALL)); |
|
2277 |
|
2278 if (adapter->ptp_clock) |
|
2279 info->phc_index = ptp_clock_index(adapter->ptp_clock); |
|
2280 |
|
2281 return 0; |
|
2282 } |
|
2283 |
|
2284 static const struct ethtool_ops e1000_ethtool_ops = { |
|
2285 .get_settings = e1000_get_settings, |
|
2286 .set_settings = e1000_set_settings, |
|
2287 .get_drvinfo = e1000_get_drvinfo, |
|
2288 .get_regs_len = e1000_get_regs_len, |
|
2289 .get_regs = e1000_get_regs, |
|
2290 .get_wol = e1000_get_wol, |
|
2291 .set_wol = e1000_set_wol, |
|
2292 .get_msglevel = e1000_get_msglevel, |
|
2293 .set_msglevel = e1000_set_msglevel, |
|
2294 .nway_reset = e1000_nway_reset, |
|
2295 .get_link = ethtool_op_get_link, |
|
2296 .get_eeprom_len = e1000_get_eeprom_len, |
|
2297 .get_eeprom = e1000_get_eeprom, |
|
2298 .set_eeprom = e1000_set_eeprom, |
|
2299 .get_ringparam = e1000_get_ringparam, |
|
2300 .set_ringparam = e1000_set_ringparam, |
|
2301 .get_pauseparam = e1000_get_pauseparam, |
|
2302 .set_pauseparam = e1000_set_pauseparam, |
|
2303 .self_test = e1000_diag_test, |
|
2304 .get_strings = e1000_get_strings, |
|
2305 .set_phys_id = e1000_set_phys_id, |
|
2306 .get_ethtool_stats = e1000_get_ethtool_stats, |
|
2307 .get_sset_count = e1000e_get_sset_count, |
|
2308 .get_coalesce = e1000_get_coalesce, |
|
2309 .set_coalesce = e1000_set_coalesce, |
|
2310 .get_rxnfc = e1000_get_rxnfc, |
|
2311 .get_ts_info = e1000e_get_ts_info, |
|
2312 .get_eee = e1000e_get_eee, |
|
2313 .set_eee = e1000e_set_eee, |
|
2314 }; |
|
2315 |
|
2316 void e1000e_set_ethtool_ops(struct net_device *netdev) |
|
2317 { |
|
2318 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); |
|
2319 } |